NOISSUE - Update certs and smq versions (#544)

* Update dependencies and refactor certificate generation to include context

- Updated `cloud.google.com/go/compute/metadata` from v0.8.0 to v0.9.0.
- Updated `github.com/absmach/certs` from v0.18.0 to v0.18.2.
- Updated `github.com/absmach/supermq` from v0.18.1 to v0.18.2.
- Updated `github.com/go-logfmt/logfmt` from v0.6.0 to v0.6.1.
- Updated `github.com/grpc-ecosystem/grpc-gateway/v2` from v2.27.2 to v2.27.3.
- Updated `github.com/prometheus/common` from v0.66.1 to v0.67.1.
- Updated `github.com/rogpeppe/go-internal` from v1.13.1 to v1.14.1.
- Updated `github.com/segmentio/asm` from v1.2.0 to v1.2.1.
- Updated `go.opentelemetry.io/auto/sdk` from v1.1.0 to v1.2.1.
- Updated `go.opentelemetry.io/proto/otlp` from v1.7.1 to v1.8.0.
- Updated `golang.org/x/net` from v0.45.0 to v0.46.0.
- Updated `golang.org/x/oauth2` from v0.30.0 to v0.32.0.
- Updated `google.golang.org/genproto/googleapis/api` and `google.golang.org/genproto/googleapis/rpc` to the latest versions.

- Refactored `generateCASignedCertificate` method in `certificate_provider.go` to accept a context parameter.
- Updated calls to `generateCASignedCertificate` in `GetCertificate` and `TestCASignedCertificateErrors` to pass the context.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* Update mockSDK method signatures in certificate error tests to include additional parameters

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

---------

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

.github/workflows/checkproto.yaml

@@ -9,6 +9,7 @@ on:
       - "pkg/manager/*.pb.go"
       - "agent/agent.proto"
       - "agent/*.pb.go"
+
   pull_request:
     branches:
       - main
@@ -29,12 +30,12 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.23.x
+          go-version: 1.25.x
 
       - name: Set up protoc
         run: |
           PROTOC_VERSION=29.0
-          PROTOC_GEN_VERSION=v1.36.5
+          PROTOC_GEN_VERSION=v1.36.8
           PROTOC_GRPC_VERSION=v1.5.1
 
           # Download and install protoc

.github/workflows/hal.yml

@@ -42,7 +42,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.23.x
+          go-version: 1.25.x
           cache-dependency-path: "go.sum"
 
       - name: Checkout cocos
@@ -56,7 +56,7 @@ jobs:
         with:
           repository: "buildroot/buildroot"
           path: buildroot
-          ref: 2024.11-rc2
+          ref: 2025.08-rc3
 
       - name: Build hal
         run: |

.github/workflows/main.yaml

@@ -9,9 +9,8 @@ on:
       - main
 
 jobs:
-  ci:
+  lint:
     runs-on: ubuntu-latest
-
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -19,39 +18,66 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.23.x
+          go-version: 1.25.x
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v7
+        uses: golangci/golangci-lint-action@v8
         with:
-          version: v2.0.2
+          version: v2.4.0
 
-        
       - name: Build
-        run: |
-          make
+        run: make
+
+  test:
+    runs-on: ubuntu-latest
+    needs: lint
+    strategy:
+      matrix:
+        module: [agent, cli, cmd, internal, pkg, manager]
+        include:
+          - module: manager
+            sudo: true
+    
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.25.x
 
       - name: Create coverage directory
+        run: mkdir -p coverage
+
+      - name: Run tests for ${{ matrix.module }}
         run: |
-          mkdir coverage
+          if [[ "${{ matrix.module }}" == "manager" ]]; then
+            sudo GOTOOLCHAIN=go1.25.0+auto go test -v --race -covermode=atomic -coverprofile coverage/${{ matrix.module }}.out ./${{ matrix.module }}/...
+          else
+            GOTOOLCHAIN=go1.25.0+auto go test -v --race -covermode=atomic -coverprofile coverage/${{ matrix.module }}.out ./${{ matrix.module }}/...
+          fi
 
-      - name: Run Agent tests
-        run: go test --tags embed -v --race -covermode=atomic -coverprofile coverage/agent.out ./agent/...
+      - name: Upload coverage artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-${{ matrix.module }}
+          path: coverage/${{ matrix.module }}.out
+          retention-days: 1
 
-      - name: Run cli tests
-        run: go test -v --race -covermode=atomic -coverprofile coverage/cli.out ./cli/...
+  upload-coverage:
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
 
-      - name: Run cmd tests
-        run: go test -v --race -covermode=atomic -coverprofile coverage/cmd.out ./cmd/...
-
-      - name: Run internal tests
-        run: go test -v --race -covermode=atomic -coverprofile coverage/internal.out ./internal/...
-
-      - name: Run pkg tests
-        run: go test -v --race -covermode=atomic -coverprofile coverage/pkg.out ./pkg/...
-
-      - name: Run manager tests
-        run: sudo go test -v --race -covermode=atomic -coverprofile coverage/manager.out ./manager/...
+      - name: Download all coverage artifacts
+        uses: actions/download-artifact@v4
+        with:
+          pattern: coverage-*
+          path: coverage/
+          merge-multiple: true
 
       - name: Upload results to Codecov
         uses: codecov/codecov-action@v4

.golangci.yaml

@@ -55,12 +55,6 @@ linters:
       template: |-
         Copyright (c) Ultraviolet
         SPDX-License-Identifier: Apache-2.0
-    importas:
-      alias:
-        - pkg: github.com/absmach/magistrala/logger
-          alias: mglog
-      no-unaliased: true
-      no-extra-aliases: false
     staticcheck:
       checks:
         - -ST1000

.mockery.yml

@@ -0,0 +1,148 @@
+pkgname: mocks
+template: testify
+template-data:
+  boilerplate-file: ./boilerplate.txt
+  unroll-variadic: true
+packages:
+  github.com/ultravioletrs/cocos/agent:
+    interfaces:
+      AgentService_AlgoClient:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+      AgentService_DataClient:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+      AgentService_IMAMeasurementsClient:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+      Service:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/agent/algorithm:
+    interfaces:
+      Algorithm:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/agent/auth:
+    interfaces:
+      Authenticator:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/agent/cvms/api/grpc/storage:
+    interfaces:
+      Storage:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/agent/cvms/server:
+    interfaces:
+      AgentServer:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/agent/events:
+    interfaces:
+      Service:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/agent/statemachine:
+    interfaces:
+      StateMachine:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/pkg/server:
+    interfaces:
+      Server:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/manager:
+    interfaces:
+      ManagerServiceClient:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+      Service:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/manager/qemu:
+    interfaces:
+      Persistence:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/manager/vm:
+    interfaces:
+      StateMachine:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+      VM:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/pkg/attestation:
+    interfaces:
+      Provider:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+      Verifier:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/pkg/attestation/cmdconfig:
+    interfaces:
+      MeasurementProvider:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/pkg/clients/grpc:
+    interfaces:
+      Client:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/pkg/sdk:
+    interfaces:
+      SDK:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"
+  github.com/ultravioletrs/cocos/pkg/atls:
+    interfaces:
+      CertificateProvider:
+        config:
+          dir: '{{.InterfaceDir}}/mocks'
+          structname: '{{.InterfaceName}}'
+          filename: "{{.InterfaceName | lower}}.go"

Makefile

@@ -1,7 +1,7 @@
 BUILD_DIR = build
 SERVICES = manager agent cli
 ATTESTATION_POLICY = attestation_policy
-CGO_ENABLED ?= 1
+CGO_ENABLED ?= 0
 GOARCH ?= amd64
 VERSION ?= $(shell git describe --abbrev=0 --tags --always)
 COMMIT ?= $(shell git rev-parse HEAD)
@@ -17,23 +17,23 @@ IGVM_BUILD_SCRIPT := ./scripts/igvmmeasure/igvm.sh
 define compile_service
 	CGO_ENABLED=$(CGO_ENABLED) GOOS=$(GOOS) GOARCH=$(GOARCH) GOARM=$(GOARM) \
 	go build -ldflags "-s -w \
-	-X 'github.com/absmach/magistrala.BuildTime=$(TIME)' \
-	-X 'github.com/absmach/magistrala.Version=$(VERSION)' \
-	-X 'github.com/absmach/magistrala.Commit=$(COMMIT)'" \
+	-X 'github.com/absmach/supermq.BuildTime=$(TIME)' \
+	-X 'github.com/absmach/supermq.Version=$(VERSION)' \
+	-X 'github.com/absmach/supermq.Commit=$(COMMIT)'" \
 	$(if $(filter 1,$(EMBED_ENABLED)),-tags "embed",) \
 	-o ${BUILD_DIR}/cocos-$(1) cmd/$(1)/main.go
 endef
 
 .PHONY: all $(SERVICES) $(ATTESTATION_POLICY) install clean
 
-all: $(SERVICES)
+all: $(SERVICES) $(ATTESTATION_POLICY)
 
 $(SERVICES): 
 	$(call compile_service,$@)
 	@if [ "$@" = "cli" ] || [ "$@" = "manager" ]; then $(MAKE) build-igvm; fi
 
 $(ATTESTATION_POLICY):
-	$(MAKE) -C ./scripts/attestation_policy
+	$(MAKE) -C ./scripts/attestation_policy OUTPUT_DIR=../../$(BUILD_DIR)
 
 protoc:
 	protoc -I. --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative agent/agent.proto
@@ -42,17 +42,19 @@ protoc:
 	protoc -I. --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative agent/cvms/cvms.proto
 
 mocks:
-	mockery --config ./mockery.yml
+	mockery --config ./.mockery.yml
 
-install: $(SERVICES)
+install: $(SERVICES) $(ATTESTATION_POLICY)
 	install -d $(INSTALL_DIR)
 	install $(BUILD_DIR)/cocos-cli $(INSTALL_DIR)/cocos-cli
 	install $(BUILD_DIR)/cocos-manager $(INSTALL_DIR)/cocos-manager
+	install $(BUILD_DIR)/attestation_policy $(INSTALL_DIR)/attestation_policy
 	install -d $(CONFIG_DIR)
 	install cocos-manager.env $(CONFIG_DIR)/cocos-manager.env
 
 clean:
 	rm -rf $(BUILD_DIR)
+	$(MAKE) -C ./scripts/attestation_policy OUTPUT_DIR=../../$(BUILD_DIR) clean
 
 run: install_service
 	sudo systemctl start $(SERVICE_NAME).service

README.md

@@ -77,4 +77,4 @@ Cocos AI is published under the permissive open-source [Apache-2.0](LICENSE) lic
 - [Confidential Computing Overview](https://confidentialcomputing.io/white-papers-reports/)
 - [Trusted Execution Environments (TEEs)](https://en.wikipedia.org/wiki/Trusted_execution_environment)
 
->This work has been partially supported by the ELASTIC project, which received funding from the Smart Networks and Services Joint Undertaking (SNS JU) under the European Union’s Horizon Europe research and innovation programme under Grant Agreement No 101139067. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union. Neither the European Union nor the granting authority can be held responsible for them.
+>This work has been partially supported by the [ELASTIC project](https://elasticproject.eu/), which received funding from the Smart Networks and Services Joint Undertaking (SNS JU) under the European Union’s Horizon Europe research and innovation programme under [Grant Agreement No. 101139067](https://cordis.europa.eu/project/id/101139067). Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union. Neither the European Union nor the granting authority can be held responsible for them.

agent/README.md

@@ -6,16 +6,24 @@ Agent service provides a barebones HTTP and gRPC API and Service interface imple
 
 The service is configured using the environment variables from the following table. Note that any unset variables will be replaced with their default values.
 
-| Variable                       | Description                                                                                                   | Default                        |
-| ------------------------------ | ------------------------------------------------------------------------------------------------------------- | ------------------------------ |
-| AGENT_LOG_LEVEL                | Log level for agent service (debug, info, warn, error)                                                        | debug                          |
-| AGENT_CVM_GRPC_HOST            | Agent service gRPC host                                                                                       | ""                             |
-| AGENT_CVM_GRPC_PORT            | Agent service gRPC port                                                                                       | 7001                           |
-| AGENT_CVM_GRPC_SERVER_CERT     | Path to gRPC server certificate in pem format                                                                 | ""                             |
-| AGENT_CVM_GRPC_SERVER_KEY      | Path to gRPC server key in pem format                                                                         | ""                             |
-| AGENT_CVM_GRPC_SERVER_CA_CERTS | Path to gRPC server CA certificate                                                                            | ""                             |
-| AGENT_CVM_GRPC_CLIENT_CA_CERTS | Path to gRPC client CA certificate                                                                            | ""                             |
-| AGENT_CVM_CA_URL               | URL for CA service, if provided it will be used for certificate generation, used only with aTLS at the moment | ""                             |
+| Variable                       | Description                                                                                                   | Default                                         |
+| ------------------------------ | ------------------------------------------------------------------------------------------------------------- | ----------------------------------------------- |
+| AGENT_LOG_LEVEL                | Log level for agent service (debug, info, warn, error)                                                        | debug                                           |
+| AGENT_VMPL                     | VMPL (Virtual Machine Privilege Level) for AMD SEV-SNP attestation (0-3)                                      | 2                                               |
+| AGENT_GRPC_HOST                | Agent service gRPC host address                                                                               | 0.0.0.0                                         |
+| AGENT_CVM_GRPC_HOST            | Agent service gRPC host                                                                                       | ""                                              |
+| AGENT_CVM_GRPC_PORT            | Agent service gRPC port                                                                                       | 7001                                            |
+| AGENT_CVM_GRPC_SERVER_CERT     | Path to gRPC server certificate in pem format                                                                 | ""                                              |
+| AGENT_CVM_GRPC_SERVER_KEY      | Path to gRPC server key in pem format                                                                         | ""                                              |
+| AGENT_CVM_GRPC_SERVER_CA_CERTS | Path to gRPC server CA certificate                                                                            | ""                                              |
+| AGENT_CVM_GRPC_CLIENT_CA_CERTS | Path to gRPC client CA certificate                                                                            | ""                                              |
+| AGENT_CVM_CA_URL               | URL for CA service, if provided it will be used for certificate generation, used only with aTLS at the moment | ""                                              |
+| AGENT_CVM_ID                   | Unique identifier for the CVM (Confidential Virtual Machine)                                                  | ""                                              |
+| AGENT_CERTS_TOKEN              | Authentication token for certificate service access                                                           | ""                                              |
+| AGENT_MAA_URL                  | Microsoft Azure Attestation service URL for Azure attestation                                                 | https://sharedeus2.eus2.attest.azure.net        |
+| AGENT_OS_BUILD                 | Operating system build information for attestation                                                            | UVC                                             |
+| AGENT_OS_DISTRO                | Operating system distribution information for attestation                                                     | UVC                                             |
+| AGENT_OS_TYPE                  | Operating system type information for attestation                                                             | UVC                                             |
 
 ## Deployment
 

agent/agent.pb.go

@@ -3,7 +3,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.5
+// 	protoc-gen-go v1.36.8
 // 	protoc        v5.29.0
 // source: agent/agent.proto
 
@@ -384,53 +384,230 @@ func (x *AttestationResponse) GetFile() []byte {
 	return nil
 }
 
+type IMAMeasurementsRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *IMAMeasurementsRequest) Reset() {
+	*x = IMAMeasurementsRequest{}
+	mi := &file_agent_agent_proto_msgTypes[8]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *IMAMeasurementsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*IMAMeasurementsRequest) ProtoMessage() {}
+
+func (x *IMAMeasurementsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_agent_agent_proto_msgTypes[8]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use IMAMeasurementsRequest.ProtoReflect.Descriptor instead.
+func (*IMAMeasurementsRequest) Descriptor() ([]byte, []int) {
+	return file_agent_agent_proto_rawDescGZIP(), []int{8}
+}
+
+type IMAMeasurementsResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	File          []byte                 `protobuf:"bytes,1,opt,name=file,proto3" json:"file,omitempty"`
+	Pcr10         []byte                 `protobuf:"bytes,2,opt,name=pcr10,proto3" json:"pcr10,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *IMAMeasurementsResponse) Reset() {
+	*x = IMAMeasurementsResponse{}
+	mi := &file_agent_agent_proto_msgTypes[9]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *IMAMeasurementsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*IMAMeasurementsResponse) ProtoMessage() {}
+
+func (x *IMAMeasurementsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_agent_agent_proto_msgTypes[9]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use IMAMeasurementsResponse.ProtoReflect.Descriptor instead.
+func (*IMAMeasurementsResponse) Descriptor() ([]byte, []int) {
+	return file_agent_agent_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *IMAMeasurementsResponse) GetFile() []byte {
+	if x != nil {
+		return x.File
+	}
+	return nil
+}
+
+func (x *IMAMeasurementsResponse) GetPcr10() []byte {
+	if x != nil {
+		return x.Pcr10
+	}
+	return nil
+}
+
+type AttestationTokenRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	TokenNonce    []byte                 `protobuf:"bytes,1,opt,name=tokenNonce,proto3" json:"tokenNonce,omitempty"` // Should be less or equal 32 bytes
+	Type          int32                  `protobuf:"varint,3,opt,name=type,proto3" json:"type,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *AttestationTokenRequest) Reset() {
+	*x = AttestationTokenRequest{}
+	mi := &file_agent_agent_proto_msgTypes[10]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AttestationTokenRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AttestationTokenRequest) ProtoMessage() {}
+
+func (x *AttestationTokenRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_agent_agent_proto_msgTypes[10]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AttestationTokenRequest.ProtoReflect.Descriptor instead.
+func (*AttestationTokenRequest) Descriptor() ([]byte, []int) {
+	return file_agent_agent_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *AttestationTokenRequest) GetTokenNonce() []byte {
+	if x != nil {
+		return x.TokenNonce
+	}
+	return nil
+}
+
+func (x *AttestationTokenRequest) GetType() int32 {
+	if x != nil {
+		return x.Type
+	}
+	return 0
+}
+
+type AttestationTokenResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	File          []byte                 `protobuf:"bytes,1,opt,name=file,proto3" json:"file,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *AttestationTokenResponse) Reset() {
+	*x = AttestationTokenResponse{}
+	mi := &file_agent_agent_proto_msgTypes[11]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AttestationTokenResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AttestationTokenResponse) ProtoMessage() {}
+
+func (x *AttestationTokenResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_agent_agent_proto_msgTypes[11]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AttestationTokenResponse.ProtoReflect.Descriptor instead.
+func (*AttestationTokenResponse) Descriptor() ([]byte, []int) {
+	return file_agent_agent_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *AttestationTokenResponse) GetFile() []byte {
+	if x != nil {
+		return x.File
+	}
+	return nil
+}
+
 var File_agent_agent_proto protoreflect.FileDescriptor
 
-var file_agent_agent_proto_rawDesc = string([]byte{
-	0x0a, 0x11, 0x61, 0x67, 0x65, 0x6e, 0x74, 0x2f, 0x61, 0x67, 0x65, 0x6e, 0x74, 0x2e, 0x70, 0x72,
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-	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1a, 0x2e, 0x61, 0x67, 0x65, 0x6e, 0x74, 0x2e, 0x41,
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-	0x73, 0x65, 0x22, 0x00, 0x30, 0x01, 0x42, 0x09, 0x5a, 0x07, 0x2e, 0x2f, 0x61, 0x67, 0x65, 0x6e,
-	0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-})
+const file_agent_agent_proto_rawDesc = "" +
+	"\n" +
+	"\x11agent/agent.proto\x12\x05agent\"O\n" +
+	"\vAlgoRequest\x12\x1c\n" +
+	"\talgorithm\x18\x01 \x01(\fR\talgorithm\x12\"\n" +
+	"\frequirements\x18\x02 \x01(\fR\frequirements\"\x0e\n" +
+	"\fAlgoResponse\"C\n" +
+	"\vDataRequest\x12\x18\n" +
+	"\adataset\x18\x01 \x01(\fR\adataset\x12\x1a\n" +
+	"\bfilename\x18\x02 \x01(\tR\bfilename\"\x0e\n" +
+	"\fDataResponse\"\x0f\n" +
+	"\rResultRequest\"$\n" +
+	"\x0eResultResponse\x12\x12\n" +
+	"\x04file\x18\x01 \x01(\fR\x04file\"b\n" +
+	"\x12AttestationRequest\x12\x1a\n" +
+	"\bteeNonce\x18\x01 \x01(\fR\bteeNonce\x12\x1c\n" +
+	"\tvtpmNonce\x18\x02 \x01(\fR\tvtpmNonce\x12\x12\n" +
+	"\x04type\x18\x03 \x01(\x05R\x04type\")\n" +
+	"\x13AttestationResponse\x12\x12\n" +
+	"\x04file\x18\x01 \x01(\fR\x04file\"\x18\n" +
+	"\x16IMAMeasurementsRequest\"C\n" +
+	"\x17IMAMeasurementsResponse\x12\x12\n" +
+	"\x04file\x18\x01 \x01(\fR\x04file\x12\x14\n" +
+	"\x05pcr10\x18\x02 \x01(\fR\x05pcr10\"M\n" +
+	"\x17AttestationTokenRequest\x12\x1e\n" +
+	"\n" +
+	"tokenNonce\x18\x01 \x01(\fR\n" +
+	"tokenNonce\x12\x12\n" +
+	"\x04type\x18\x03 \x01(\x05R\x04type\".\n" +
+	"\x18AttestationTokenResponse\x12\x12\n" +
+	"\x04file\x18\x01 \x01(\fR\x04file2\xaf\x03\n" +
+	"\fAgentService\x123\n" +
+	"\x04Algo\x12\x12.agent.AlgoRequest\x1a\x13.agent.AlgoResponse\"\x00(\x01\x123\n" +
+	"\x04Data\x12\x12.agent.DataRequest\x1a\x13.agent.DataResponse\"\x00(\x01\x129\n" +
+	"\x06Result\x12\x14.agent.ResultRequest\x1a\x15.agent.ResultResponse\"\x000\x01\x12H\n" +
+	"\vAttestation\x12\x19.agent.AttestationRequest\x1a\x1a.agent.AttestationResponse\"\x000\x01\x12T\n" +
+	"\x0fIMAMeasurements\x12\x1d.agent.IMAMeasurementsRequest\x1a\x1e.agent.IMAMeasurementsResponse\"\x000\x01\x12Z\n" +
+	"\x15AzureAttestationToken\x12\x1e.agent.AttestationTokenRequest\x1a\x1f.agent.AttestationTokenResponse\"\x00B\tZ\a./agentb\x06proto3"
 
 var (
 	file_agent_agent_proto_rawDescOnce sync.Once
@@ -444,31 +621,39 @@ func file_agent_agent_proto_rawDescGZIP() []byte {
 	return file_agent_agent_proto_rawDescData
 }
 
-var file_agent_agent_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
+var file_agent_agent_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
 var file_agent_agent_proto_goTypes = []any{
-	(*AlgoRequest)(nil),         // 0: agent.AlgoRequest
-	(*AlgoResponse)(nil),        // 1: agent.AlgoResponse
-	(*DataRequest)(nil),         // 2: agent.DataRequest
-	(*DataResponse)(nil),        // 3: agent.DataResponse
-	(*ResultRequest)(nil),       // 4: agent.ResultRequest
-	(*ResultResponse)(nil),      // 5: agent.ResultResponse
-	(*AttestationRequest)(nil),  // 6: agent.AttestationRequest
-	(*AttestationResponse)(nil), // 7: agent.AttestationResponse
+	(*AlgoRequest)(nil),              // 0: agent.AlgoRequest
+	(*AlgoResponse)(nil),             // 1: agent.AlgoResponse
+	(*DataRequest)(nil),              // 2: agent.DataRequest
+	(*DataResponse)(nil),             // 3: agent.DataResponse
+	(*ResultRequest)(nil),            // 4: agent.ResultRequest
+	(*ResultResponse)(nil),           // 5: agent.ResultResponse
+	(*AttestationRequest)(nil),       // 6: agent.AttestationRequest
+	(*AttestationResponse)(nil),      // 7: agent.AttestationResponse
+	(*IMAMeasurementsRequest)(nil),   // 8: agent.IMAMeasurementsRequest
+	(*IMAMeasurementsResponse)(nil),  // 9: agent.IMAMeasurementsResponse
+	(*AttestationTokenRequest)(nil),  // 10: agent.AttestationTokenRequest
+	(*AttestationTokenResponse)(nil), // 11: agent.AttestationTokenResponse
 }
 var file_agent_agent_proto_depIdxs = []int32{
-	0, // 0: agent.AgentService.Algo:input_type -> agent.AlgoRequest
-	2, // 1: agent.AgentService.Data:input_type -> agent.DataRequest
-	4, // 2: agent.AgentService.Result:input_type -> agent.ResultRequest
-	6, // 3: agent.AgentService.Attestation:input_type -> agent.AttestationRequest
-	1, // 4: agent.AgentService.Algo:output_type -> agent.AlgoResponse
-	3, // 5: agent.AgentService.Data:output_type -> agent.DataResponse
-	5, // 6: agent.AgentService.Result:output_type -> agent.ResultResponse
-	7, // 7: agent.AgentService.Attestation:output_type -> agent.AttestationResponse
-	4, // [4:8] is the sub-list for method output_type
-	0, // [0:4] is the sub-list for method input_type
-	0, // [0:0] is the sub-list for extension type_name
-	0, // [0:0] is the sub-list for extension extendee
-	0, // [0:0] is the sub-list for field type_name
+	0,  // 0: agent.AgentService.Algo:input_type -> agent.AlgoRequest
+	2,  // 1: agent.AgentService.Data:input_type -> agent.DataRequest
+	4,  // 2: agent.AgentService.Result:input_type -> agent.ResultRequest
+	6,  // 3: agent.AgentService.Attestation:input_type -> agent.AttestationRequest
+	8,  // 4: agent.AgentService.IMAMeasurements:input_type -> agent.IMAMeasurementsRequest
+	10, // 5: agent.AgentService.AzureAttestationToken:input_type -> agent.AttestationTokenRequest
+	1,  // 6: agent.AgentService.Algo:output_type -> agent.AlgoResponse
+	3,  // 7: agent.AgentService.Data:output_type -> agent.DataResponse
+	5,  // 8: agent.AgentService.Result:output_type -> agent.ResultResponse
+	7,  // 9: agent.AgentService.Attestation:output_type -> agent.AttestationResponse
+	9,  // 10: agent.AgentService.IMAMeasurements:output_type -> agent.IMAMeasurementsResponse
+	11, // 11: agent.AgentService.AzureAttestationToken:output_type -> agent.AttestationTokenResponse
+	6,  // [6:12] is the sub-list for method output_type
+	0,  // [0:6] is the sub-list for method input_type
+	0,  // [0:0] is the sub-list for extension type_name
+	0,  // [0:0] is the sub-list for extension extendee
+	0,  // [0:0] is the sub-list for field type_name
 }
 
 func init() { file_agent_agent_proto_init() }
@@ -482,7 +667,7 @@ func file_agent_agent_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_agent_agent_proto_rawDesc), len(file_agent_agent_proto_rawDesc)),
 			NumEnums:      0,
-			NumMessages:   8,
+			NumMessages:   12,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

agent/agent.proto

@@ -12,6 +12,8 @@ service AgentService {
   rpc Data(stream DataRequest) returns (DataResponse) {}
   rpc Result(ResultRequest) returns (stream ResultResponse) {}
   rpc Attestation(AttestationRequest) returns (stream AttestationResponse) {}
+  rpc IMAMeasurements(IMAMeasurementsRequest) returns (stream IMAMeasurementsResponse) {}
+  rpc AzureAttestationToken(AttestationTokenRequest) returns (AttestationTokenResponse) {}
 }
 
 message AlgoRequest {
@@ -44,3 +46,19 @@ message AttestationRequest {
 message AttestationResponse {
   bytes file = 1;
 }
+
+message IMAMeasurementsRequest {
+}
+
+message IMAMeasurementsResponse {
+  bytes file = 1;
+  bytes pcr10 = 2;
+}
+
+message AttestationTokenRequest{
+  bytes tokenNonce = 1; // Should be less or equal 32 bytes
+  int32 type = 3;
+}
+message AttestationTokenResponse{
+  bytes file = 1;
+}

agent/agent_grpc.pb.go

@@ -22,10 +22,12 @@ import (
 const _ = grpc.SupportPackageIsVersion9
 
 const (
-	AgentService_Algo_FullMethodName        = "/agent.AgentService/Algo"
-	AgentService_Data_FullMethodName        = "/agent.AgentService/Data"
-	AgentService_Result_FullMethodName      = "/agent.AgentService/Result"
-	AgentService_Attestation_FullMethodName = "/agent.AgentService/Attestation"
+	AgentService_Algo_FullMethodName                  = "/agent.AgentService/Algo"
+	AgentService_Data_FullMethodName                  = "/agent.AgentService/Data"
+	AgentService_Result_FullMethodName                = "/agent.AgentService/Result"
+	AgentService_Attestation_FullMethodName           = "/agent.AgentService/Attestation"
+	AgentService_IMAMeasurements_FullMethodName       = "/agent.AgentService/IMAMeasurements"
+	AgentService_AzureAttestationToken_FullMethodName = "/agent.AgentService/AzureAttestationToken"
 )
 
 // AgentServiceClient is the client API for AgentService service.
@@ -36,6 +38,8 @@ type AgentServiceClient interface {
 	Data(ctx context.Context, opts ...grpc.CallOption) (grpc.ClientStreamingClient[DataRequest, DataResponse], error)
 	Result(ctx context.Context, in *ResultRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[ResultResponse], error)
 	Attestation(ctx context.Context, in *AttestationRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[AttestationResponse], error)
+	IMAMeasurements(ctx context.Context, in *IMAMeasurementsRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[IMAMeasurementsResponse], error)
+	AzureAttestationToken(ctx context.Context, in *AttestationTokenRequest, opts ...grpc.CallOption) (*AttestationTokenResponse, error)
 }
 
 type agentServiceClient struct {
@@ -110,6 +114,35 @@ func (c *agentServiceClient) Attestation(ctx context.Context, in *AttestationReq
 // This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
 type AgentService_AttestationClient = grpc.ServerStreamingClient[AttestationResponse]
 
+func (c *agentServiceClient) IMAMeasurements(ctx context.Context, in *IMAMeasurementsRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[IMAMeasurementsResponse], error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	stream, err := c.cc.NewStream(ctx, &AgentService_ServiceDesc.Streams[4], AgentService_IMAMeasurements_FullMethodName, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &grpc.GenericClientStream[IMAMeasurementsRequest, IMAMeasurementsResponse]{ClientStream: stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type AgentService_IMAMeasurementsClient = grpc.ServerStreamingClient[IMAMeasurementsResponse]
+
+func (c *agentServiceClient) AzureAttestationToken(ctx context.Context, in *AttestationTokenRequest, opts ...grpc.CallOption) (*AttestationTokenResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(AttestationTokenResponse)
+	err := c.cc.Invoke(ctx, AgentService_AzureAttestationToken_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // AgentServiceServer is the server API for AgentService service.
 // All implementations must embed UnimplementedAgentServiceServer
 // for forward compatibility.
@@ -118,6 +151,8 @@ type AgentServiceServer interface {
 	Data(grpc.ClientStreamingServer[DataRequest, DataResponse]) error
 	Result(*ResultRequest, grpc.ServerStreamingServer[ResultResponse]) error
 	Attestation(*AttestationRequest, grpc.ServerStreamingServer[AttestationResponse]) error
+	IMAMeasurements(*IMAMeasurementsRequest, grpc.ServerStreamingServer[IMAMeasurementsResponse]) error
+	AzureAttestationToken(context.Context, *AttestationTokenRequest) (*AttestationTokenResponse, error)
 	mustEmbedUnimplementedAgentServiceServer()
 }
 
@@ -140,6 +175,12 @@ func (UnimplementedAgentServiceServer) Result(*ResultRequest, grpc.ServerStreami
 func (UnimplementedAgentServiceServer) Attestation(*AttestationRequest, grpc.ServerStreamingServer[AttestationResponse]) error {
 	return status.Errorf(codes.Unimplemented, "method Attestation not implemented")
 }
+func (UnimplementedAgentServiceServer) IMAMeasurements(*IMAMeasurementsRequest, grpc.ServerStreamingServer[IMAMeasurementsResponse]) error {
+	return status.Errorf(codes.Unimplemented, "method IMAMeasurements not implemented")
+}
+func (UnimplementedAgentServiceServer) AzureAttestationToken(context.Context, *AttestationTokenRequest) (*AttestationTokenResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method AzureAttestationToken not implemented")
+}
 func (UnimplementedAgentServiceServer) mustEmbedUnimplementedAgentServiceServer() {}
 func (UnimplementedAgentServiceServer) testEmbeddedByValue()                      {}
 
@@ -197,13 +238,47 @@ func _AgentService_Attestation_Handler(srv interface{}, stream grpc.ServerStream
 // This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
 type AgentService_AttestationServer = grpc.ServerStreamingServer[AttestationResponse]
 
+func _AgentService_IMAMeasurements_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(IMAMeasurementsRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(AgentServiceServer).IMAMeasurements(m, &grpc.GenericServerStream[IMAMeasurementsRequest, IMAMeasurementsResponse]{ServerStream: stream})
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type AgentService_IMAMeasurementsServer = grpc.ServerStreamingServer[IMAMeasurementsResponse]
+
+func _AgentService_AzureAttestationToken_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AttestationTokenRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(AgentServiceServer).AzureAttestationToken(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: AgentService_AzureAttestationToken_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(AgentServiceServer).AzureAttestationToken(ctx, req.(*AttestationTokenRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // AgentService_ServiceDesc is the grpc.ServiceDesc for AgentService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
 var AgentService_ServiceDesc = grpc.ServiceDesc{
 	ServiceName: "agent.AgentService",
 	HandlerType: (*AgentServiceServer)(nil),
-	Methods:     []grpc.MethodDesc{},
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "AzureAttestationToken",
+			Handler:    _AgentService_AzureAttestationToken_Handler,
+		},
+	},
 	Streams: []grpc.StreamDesc{
 		{
 			StreamName:    "Algo",
@@ -225,6 +300,11 @@ var AgentService_ServiceDesc = grpc.ServiceDesc{
 			Handler:       _AgentService_Attestation_Handler,
 			ServerStreams: true,
 		},
+		{
+			StreamName:    "IMAMeasurements",
+			Handler:       _AgentService_IMAMeasurements_Handler,
+			ServerStreams: true,
+		},
 	},
 	Metadata: "agent/agent.proto",
 }

agent/algorithm/binary/binary.go

@@ -57,6 +57,10 @@ func (b *binary) Stop() error {
 		return nil
 	}
 
+	if b.cmd.Process == nil {
+		return nil
+	}
+
 	if err := b.cmd.Process.Kill(); err != nil {
 		return fmt.Errorf("error stopping algorithm: %v", err)
 	}

agent/algorithm/logging/logging_test.go

@@ -6,7 +6,7 @@ import (
 	"strings"
 	"testing"
 
-	mglog "github.com/absmach/magistrala/logger"
+	mglog "github.com/absmach/supermq/logger"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 	"github.com/ultravioletrs/cocos/agent/events/mocks"

agent/algorithm/mocks/algorithm.go

@@ -0,0 +1,127 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+
+// Code generated by mockery; DO NOT EDIT.
+// github.com/vektra/mockery
+// template: testify
+
+package mocks
+
+import (
+	mock "github.com/stretchr/testify/mock"
+)
+
+// NewAlgorithm creates a new instance of Algorithm. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewAlgorithm(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *Algorithm {
+	mock := &Algorithm{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
+// Algorithm is an autogenerated mock type for the Algorithm type
+type Algorithm struct {
+	mock.Mock
+}
+
+type Algorithm_Expecter struct {
+	mock *mock.Mock
+}
+
+func (_m *Algorithm) EXPECT() *Algorithm_Expecter {
+	return &Algorithm_Expecter{mock: &_m.Mock}
+}
+
+// Run provides a mock function for the type Algorithm
+func (_mock *Algorithm) Run() error {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Run")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func() error); ok {
+		r0 = returnFunc()
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// Algorithm_Run_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Run'
+type Algorithm_Run_Call struct {
+	*mock.Call
+}
+
+// Run is a helper method to define mock.On call
+func (_e *Algorithm_Expecter) Run() *Algorithm_Run_Call {
+	return &Algorithm_Run_Call{Call: _e.mock.On("Run")}
+}
+
+func (_c *Algorithm_Run_Call) Run(run func()) *Algorithm_Run_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *Algorithm_Run_Call) Return(err error) *Algorithm_Run_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *Algorithm_Run_Call) RunAndReturn(run func() error) *Algorithm_Run_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Stop provides a mock function for the type Algorithm
+func (_mock *Algorithm) Stop() error {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Stop")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func() error); ok {
+		r0 = returnFunc()
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// Algorithm_Stop_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Stop'
+type Algorithm_Stop_Call struct {
+	*mock.Call
+}
+
+// Stop is a helper method to define mock.On call
+func (_e *Algorithm_Expecter) Stop() *Algorithm_Stop_Call {
+	return &Algorithm_Stop_Call{Call: _e.mock.On("Stop")}
+}
+
+func (_c *Algorithm_Stop_Call) Run(run func()) *Algorithm_Stop_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *Algorithm_Stop_Call) Return(err error) *Algorithm_Stop_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *Algorithm_Stop_Call) RunAndReturn(run func() error) *Algorithm_Stop_Call {
+	_c.Call.Return(run)
+	return _c
+}

agent/algorithm/python/python.go

@@ -114,6 +114,10 @@ func (p *python) Stop() error {
 		return nil
 	}
 
+	if p.cmd.Process == nil {
+		return nil
+	}
+
 	if err := p.cmd.Process.Kill(); err != nil {
 		return fmt.Errorf("error stopping algorithm: %v", err)
 	}

agent/algorithm/wasm/wasm.go

@@ -63,6 +63,10 @@ func (w *wasm) Stop() error {
 		return nil
 	}
 
+	if w.cmd.Process == nil {
+		return nil
+	}
+
 	if err := w.cmd.Process.Kill(); err != nil {
 		return fmt.Errorf("error stopping algorithm: %v", err)
 	}

agent/api/grpc/endpoint.go

@@ -7,11 +7,11 @@ import (
 
 	"github.com/go-kit/kit/endpoint"
 	"github.com/ultravioletrs/cocos/agent"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
 )
 
 func algoEndpoint(svc agent.Service) endpoint.Endpoint {
-	return func(ctx context.Context, request interface{}) (interface{}, error) {
+	return func(ctx context.Context, request any) (any, error) {
 		req := request.(algoReq)
 
 		if err := req.validate(); err != nil {
@@ -30,7 +30,7 @@ func algoEndpoint(svc agent.Service) endpoint.Endpoint {
 }
 
 func dataEndpoint(svc agent.Service) endpoint.Endpoint {
-	return func(ctx context.Context, request interface{}) (interface{}, error) {
+	return func(ctx context.Context, request any) (any, error) {
 		req := request.(dataReq)
 
 		if err := req.validate(); err != nil {
@@ -49,7 +49,7 @@ func dataEndpoint(svc agent.Service) endpoint.Endpoint {
 }
 
 func resultEndpoint(svc agent.Service) endpoint.Endpoint {
-	return func(ctx context.Context, request interface{}) (interface{}, error) {
+	return func(ctx context.Context, request any) (any, error) {
 		req := request.(resultReq)
 
 		if err := req.validate(); err != nil {
@@ -65,13 +65,13 @@ func resultEndpoint(svc agent.Service) endpoint.Endpoint {
 }
 
 func attestationEndpoint(svc agent.Service) endpoint.Endpoint {
-	return func(ctx context.Context, request interface{}) (interface{}, error) {
+	return func(ctx context.Context, request any) (any, error) {
 		req := request.(attestationReq)
 
 		if err := req.validate(); err != nil {
 			return attestationRes{}, err
 		}
-		file, err := svc.Attestation(ctx, req.TeeNonce, req.VtpmNonce, config.AttestationType(req.AttType))
+		file, err := svc.Attestation(ctx, req.TeeNonce, req.VtpmNonce, attestation.PlatformType(req.AttType))
 		if err != nil {
 			return attestationRes{}, err
 		}
@@ -79,3 +79,33 @@ func attestationEndpoint(svc agent.Service) endpoint.Endpoint {
 		return attestationRes{File: file}, nil
 	}
 }
+
+func imaMeasurementsEndpoint(svc agent.Service) endpoint.Endpoint {
+	return func(ctx context.Context, request any) (any, error) {
+		req := request.(imaMeasurementsReq)
+
+		if err := req.validate(); err != nil {
+			return imaMeasurementsRes{}, err
+		}
+		file, pcr10, err := svc.IMAMeasurements(ctx)
+		if err != nil {
+			return imaMeasurementsRes{}, err
+		}
+
+		return imaMeasurementsRes{File: file, PCR10: pcr10}, nil
+	}
+}
+
+func azureAttestationTokenEndpoint(svc agent.Service) endpoint.Endpoint {
+	return func(ctx context.Context, request any) (any, error) {
+		req := request.(azureAttestationTokenReq)
+		if err := req.validate(); err != nil {
+			return fetchAttestationTokenRes{}, err
+		}
+		file, err := svc.AzureAttestationToken(ctx, req.tokenNonce)
+		if err != nil {
+			return fetchAttestationTokenRes{}, err
+		}
+		return fetchAttestationTokenRes{File: file}, nil
+	}
+}

agent/api/grpc/endpoint_test.go

@@ -7,9 +7,10 @@ import (
 	"errors"
 	"testing"
 
+	"github.com/stretchr/testify/mock"
 	"github.com/ultravioletrs/cocos/agent"
 	"github.com/ultravioletrs/cocos/agent/mocks"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
 	"golang.org/x/crypto/sha3"
 )
 
@@ -142,11 +143,11 @@ func TestAttestationEndpoint(t *testing.T) {
 	}{
 		{
 			name: "Success",
-			req:  attestationReq{TeeNonce: sha3.Sum512([]byte("report data")), VtpmNonce: sha3.Sum256([]byte("vtpm nonce")), AttType: config.SNP},
+			req:  attestationReq{TeeNonce: sha3.Sum512([]byte("report data")), VtpmNonce: sha3.Sum256([]byte("vtpm nonce")), AttType: attestation.SNP},
 		},
 		{
 			name:        "Service Error",
-			req:         attestationReq{TeeNonce: sha3.Sum512([]byte("report data")), VtpmNonce: sha3.Sum256([]byte("vtpm nonce")), AttType: config.SNP},
+			req:         attestationReq{TeeNonce: sha3.Sum512([]byte("report data")), VtpmNonce: sha3.Sum256([]byte("vtpm nonce")), AttType: attestation.SNP},
 			expectedErr: true,
 		},
 	}
@@ -172,3 +173,55 @@ func TestAttestationEndpoint(t *testing.T) {
 		})
 	}
 }
+
+func TestAttestationTokenEndpoint(t *testing.T) {
+	svc := new(mocks.Service)
+	tests := []struct {
+		name        string
+		req         azureAttestationTokenReq
+		mockErr     error
+		expectedErr bool
+	}{
+		{
+			name:        "Success",
+			req:         azureAttestationTokenReq{tokenNonce: sha3.Sum256([]byte("vtpm nonce"))},
+			mockErr:     nil,
+			expectedErr: false,
+		},
+		{
+			name:        "Service Error",
+			req:         azureAttestationTokenReq{tokenNonce: sha3.Sum256([]byte("vtpm nonce"))},
+			mockErr:     errors.New("mock failure"),
+			expectedErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Only call service mock if validation is expected to pass
+			if err := tt.req.validate(); err == nil {
+				svc.On("AzureAttestationToken", mock.Anything, tt.req.tokenNonce).
+					Return([]byte("mock file"), tt.mockErr).Once()
+			}
+
+			endpoint := azureAttestationTokenEndpoint(svc)
+			res, err := endpoint(context.Background(), tt.req)
+
+			if (err != nil) != tt.expectedErr {
+				t.Errorf("attestationTokenEndpoint() error = %v, expectedErr %v", err, tt.expectedErr)
+			}
+
+			if !tt.expectedErr {
+				r, ok := res.(fetchAttestationTokenRes)
+				if !ok {
+					t.Errorf("attestationTokenEndpoint() returned unexpected type %T", res)
+				}
+				if string(r.File) != "mock file" {
+					t.Errorf("expected file content 'mock file', got %s", r.File)
+				}
+			}
+
+			svc.AssertExpectations(t)
+		})
+	}
+}

agent/api/grpc/interceptors.go

@@ -31,7 +31,7 @@ func NewAuthInterceptor(authSvc auth.Authenticator) (grpc.UnaryServerInterceptor
 }
 
 func (s *authInterceptor) AuthStreamInterceptor() grpc.StreamServerInterceptor {
-	return func(srv interface{}, stream grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
+	return func(srv any, stream grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
 		switch info.FullMethod {
 		case agent.AgentService_Algo_FullMethodName:
 			if _, err := s.auth.AuthenticateUser(stream.Context(), auth.AlgorithmProviderRole); err != nil {
@@ -59,7 +59,7 @@ func (s *authInterceptor) AuthStreamInterceptor() grpc.StreamServerInterceptor {
 }
 
 func (s *authInterceptor) AuthUnaryInterceptor() grpc.UnaryServerInterceptor {
-	return func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+	return func(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (any, error) {
 		switch info.FullMethod {
 		case agent.AgentService_Result_FullMethodName:
 			ctx, err := s.auth.AuthenticateUser(ctx, auth.ConsumerRole)

agent/api/grpc/interceptors_test.go

@@ -58,7 +58,7 @@ func TestAuthUnaryInterceptor(t *testing.T) {
 			}
 			unaryInt, _ := NewAuthInterceptor(authmock)
 
-			_, err := unaryInt(context.Background(), nil, &grpc.UnaryServerInfo{FullMethod: tt.method}, func(ctx context.Context, req interface{}) (interface{}, error) {
+			_, err := unaryInt(context.Background(), nil, &grpc.UnaryServerInfo{FullMethod: tt.method}, func(ctx context.Context, req any) (any, error) {
 				return nil, nil
 			})
 
@@ -129,7 +129,7 @@ func TestAuthStreamInterceptor(t *testing.T) {
 			}
 			_, streamInt := NewAuthInterceptor(authmock)
 
-			err := streamInt(nil, &mockServerStream{ctx: metadata.NewIncomingContext(context.Background(), metadata.Pairs())}, &grpc.StreamServerInfo{FullMethod: tt.method}, func(srv interface{}, stream grpc.ServerStream) error {
+			err := streamInt(nil, &mockServerStream{ctx: metadata.NewIncomingContext(context.Background(), metadata.Pairs())}, &grpc.StreamServerInfo{FullMethod: tt.method}, func(srv any, stream grpc.ServerStream) error {
 				return nil
 			})
 

agent/api/grpc/requests.go

@@ -5,7 +5,7 @@ package grpc
 import (
 	"errors"
 
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
 	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
 	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 )
@@ -29,7 +29,7 @@ type dataReq struct {
 
 func (req dataReq) validate() error {
 	if len(req.Dataset) == 0 {
-		return errors.New("dataset CSV file is required")
+		return errors.New("dataset is required")
 	}
 	return nil
 }
@@ -44,14 +44,33 @@ func (req resultReq) validate() error {
 type attestationReq struct {
 	TeeNonce  [quoteprovider.Nonce]byte
 	VtpmNonce [vtpm.Nonce]byte
-	AttType   config.AttestationType
+	AttType   attestation.PlatformType
+}
+
+type azureAttestationTokenReq struct {
+	tokenNonce [vtpm.Nonce]byte
 }
 
 func (req attestationReq) validate() error {
-	switch req.AttType {
-	case config.SNP, config.VTPM, config.SNPvTPM:
+	return validateAttestationType(req.AttType)
+}
+
+func (req azureAttestationTokenReq) validate() error {
+	return nil
+}
+
+func validateAttestationType(attType attestation.PlatformType) error {
+	switch attType {
+	case attestation.SNP, attestation.VTPM, attestation.SNPvTPM, attestation.TDX:
 		return nil
 	default:
-		return errors.New("invalid attestation type in attestation request")
+		return errors.New("invalid attestation type")
 	}
 }
+
+type imaMeasurementsReq struct{}
+
+func (req imaMeasurementsReq) validate() error {
+	// No request parameters to validate, so no validation logic needed
+	return nil
+}

agent/api/grpc/responses.go

@@ -7,9 +7,18 @@ type algoRes struct{}
 type dataRes struct{}
 
 type resultRes struct {
-	File []byte `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	File []byte
 }
 
 type attestationRes struct {
 	File []byte
 }
+
+type imaMeasurementsRes struct {
+	File  []byte
+	PCR10 []byte
+}
+
+type fetchAttestationTokenRes struct {
+	File []byte
+}

agent/api/grpc/server.go

@@ -8,10 +8,12 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"strconv"
 
+	"github.com/go-kit/kit/endpoint"
 	"github.com/go-kit/kit/transport/grpc"
 	"github.com/ultravioletrs/cocos/agent"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
 	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
 	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 	"google.golang.org/grpc/codes"
@@ -25,213 +27,414 @@ const (
 )
 
 var (
-	ErrTEENonceLength  = errors.New("malformed report data, expect less or equal to 64 bytes")
-	ErrVTpmNonceLength = errors.New("malformed vTPM nonce, expect less or equal to 32 bytes")
+	ErrTEENonceLength   = errors.New("malformed report data, expect less or equal to 64 bytes")
+	ErrVTPMNonceLength  = errors.New("malformed vTPM nonce, expect less or equal to 32 bytes")
+	ErrTokenNonceLength = errors.New("malformed token nonce, expect less or equal to 32 bytes")
 )
 
 var _ agent.AgentServiceServer = (*grpcServer)(nil)
 
 type grpcServer struct {
-	algo        grpc.Handler
-	data        grpc.Handler
-	result      grpc.Handler
-	attestation grpc.Handler
+	handlers map[string]grpc.Handler
 	agent.UnimplementedAgentServiceServer
 }
 
+type endpointConfig struct {
+	endpoint       func(agent.Service) endpoint.Endpoint
+	decodeRequest  grpc.DecodeRequestFunc
+	encodeResponse grpc.EncodeResponseFunc
+}
+
 // NewServer returns new AgentServiceServer instance.
 func NewServer(svc agent.Service) agent.AgentServiceServer {
+	// Define endpoint configurations
+	endpoints := map[string]endpointConfig{
+		"algo": {
+			endpoint:       algoEndpoint,
+			decodeRequest:  decodeAlgoRequest,
+			encodeResponse: encodeAlgoResponse,
+		},
+		"data": {
+			endpoint:       dataEndpoint,
+			decodeRequest:  decodeDataRequest,
+			encodeResponse: encodeDataResponse,
+		},
+		"result": {
+			endpoint:       resultEndpoint,
+			decodeRequest:  decodeResultRequest,
+			encodeResponse: encodeResultResponse,
+		},
+		"attestation": {
+			endpoint:       attestationEndpoint,
+			decodeRequest:  decodeAttestationRequest,
+			encodeResponse: encodeAttestationResponse,
+		},
+		"imaMeasurements": {
+			endpoint:       imaMeasurementsEndpoint,
+			decodeRequest:  decodeIMAMeasurementsRequest,
+			encodeResponse: encodeIMAMeasurementsResponse,
+		},
+		"azureAttestationToken": {
+			endpoint:       azureAttestationTokenEndpoint,
+			decodeRequest:  decodeAttestationTokenRequest,
+			encodeResponse: encodeAttestationTokenResponse,
+		},
+	}
+
+	// Create handlers using the configurations
+	handlers := make(map[string]grpc.Handler)
+	for name, config := range endpoints {
+		handlers[name] = grpc.NewServer(
+			config.endpoint(svc),
+			config.decodeRequest,
+			config.encodeResponse,
+		)
+	}
+
 	return &grpcServer{
-		algo: grpc.NewServer(
-			algoEndpoint(svc),
-			decodeAlgoRequest,
-			encodeAlgoResponse,
-		),
-		data: grpc.NewServer(
-			dataEndpoint(svc),
-			decodeDataRequest,
-			encodeDataResponse,
-		),
-		result: grpc.NewServer(
-			resultEndpoint(svc),
-			decodeResultRequest,
-			encodeResultResponse,
-		),
-		attestation: grpc.NewServer(
-			attestationEndpoint(svc),
-			decodeAttestationRequest,
-			encodeAttestationResponse,
-		),
+		handlers: handlers,
 	}
 }
 
-func decodeAlgoRequest(_ context.Context, grpcReq interface{}) (interface{}, error) {
+func decodeAlgoRequest(_ context.Context, grpcReq any) (any, error) {
 	req := grpcReq.(*agent.AlgoRequest)
-
 	return algoReq{
 		Algorithm:    req.Algorithm,
 		Requirements: req.Requirements,
 	}, nil
 }
 
-func encodeAlgoResponse(_ context.Context, response interface{}) (interface{}, error) {
+func encodeAlgoResponse(_ context.Context, response any) (any, error) {
 	return &agent.AlgoResponse{}, nil
 }
 
-func decodeDataRequest(_ context.Context, grpcReq interface{}) (interface{}, error) {
+func decodeDataRequest(_ context.Context, grpcReq any) (any, error) {
 	req := grpcReq.(*agent.DataRequest)
-
 	return dataReq{
 		Dataset:  req.Dataset,
 		Filename: req.Filename,
 	}, nil
 }
 
-func encodeDataResponse(_ context.Context, response interface{}) (interface{}, error) {
+func encodeDataResponse(_ context.Context, response any) (any, error) {
 	return &agent.DataResponse{}, nil
 }
 
-func decodeResultRequest(_ context.Context, grpcReq interface{}) (interface{}, error) {
+func decodeResultRequest(_ context.Context, grpcReq any) (any, error) {
 	return resultReq{}, nil
 }
 
-func encodeResultResponse(_ context.Context, response interface{}) (interface{}, error) {
+func encodeResultResponse(_ context.Context, response any) (any, error) {
 	res := response.(resultRes)
 	return &agent.ResultResponse{
 		File: res.File,
 	}, nil
 }
 
-func decodeAttestationRequest(_ context.Context, grpcReq interface{}) (interface{}, error) {
+func validateNonce(nonce []byte, maxLen int, target any) error {
+	if len(nonce) > maxLen {
+		switch maxLen {
+		case quoteprovider.Nonce:
+			return ErrTEENonceLength
+		case vtpm.Nonce:
+			return ErrVTPMNonceLength
+		default:
+			return ErrTokenNonceLength
+		}
+	}
+
+	switch t := target.(type) {
+	case *[quoteprovider.Nonce]byte:
+		copy(t[:], nonce)
+	case *[vtpm.Nonce]byte:
+		copy(t[:], nonce)
+	default:
+		return fmt.Errorf("unsupported target type for nonce validation: %T", target)
+	}
+	return nil
+}
+
+func decodeAttestationRequest(_ context.Context, grpcReq any) (any, error) {
 	req := grpcReq.(*agent.AttestationRequest)
 	var reportData [quoteprovider.Nonce]byte
 	var nonce [vtpm.Nonce]byte
 
-	if len(req.TeeNonce) > quoteprovider.Nonce {
-		return nil, ErrTEENonceLength
+	if err := validateNonce(req.TeeNonce, quoteprovider.Nonce, &reportData); err != nil {
+		return nil, err
 	}
 
-	if len(req.VtpmNonce) > vtpm.Nonce {
-		return nil, ErrVTpmNonceLength
+	if err := validateNonce(req.VtpmNonce, vtpm.Nonce, &nonce); err != nil {
+		return nil, err
 	}
 
-	copy(reportData[:], req.TeeNonce)
-	copy(nonce[:], req.VtpmNonce)
-	return attestationReq{TeeNonce: reportData, VtpmNonce: nonce, AttType: config.AttestationType(req.Type)}, nil
+	return attestationReq{
+		TeeNonce:  reportData,
+		VtpmNonce: nonce,
+		AttType:   attestation.PlatformType(req.Type),
+	}, nil
 }
 
-func encodeAttestationResponse(_ context.Context, response interface{}) (interface{}, error) {
+func encodeAttestationResponse(_ context.Context, response any) (any, error) {
 	res := response.(attestationRes)
 	return &agent.AttestationResponse{
 		File: res.File,
 	}, nil
 }
 
-// Algo implements agent.AgentServiceServer.
-func (s *grpcServer) Algo(stream agent.AgentService_AlgoServer) error {
-	var algoFile, reqFile []byte
+func decodeAttestationTokenRequest(_ context.Context, grpcReq any) (any, error) {
+	req := grpcReq.(*agent.AttestationTokenRequest)
+	var nonce [vtpm.Nonce]byte
+
+	if err := validateNonce(req.TokenNonce, vtpm.Nonce, &nonce); err != nil {
+		return nil, err
+	}
+	return azureAttestationTokenReq{
+		tokenNonce: nonce,
+	}, nil
+}
+
+func encodeAttestationTokenResponse(_ context.Context, response any) (any, error) {
+	res := response.(fetchAttestationTokenRes)
+	return &agent.AttestationTokenResponse{
+		File: res.File,
+	}, nil
+}
+
+func decodeIMAMeasurementsRequest(_ context.Context, grpcReq any) (any, error) {
+	return imaMeasurementsReq{}, nil
+}
+
+func encodeIMAMeasurementsResponse(_ context.Context, response any) (any, error) {
+	res := response.(imaMeasurementsRes)
+	return &agent.IMAMeasurementsResponse{
+		File:  res.File,
+		Pcr10: res.PCR10,
+	}, nil
+}
+
+func (s *grpcServer) streamingHandler(
+	ctx context.Context,
+	handlerName string,
+	req any,
+	stream any,
+	sendFn func([]byte) error,
+	getFileData func(any) []byte,
+) error {
+	handler, ok := s.handlers[handlerName]
+	if !ok {
+		return status.Errorf(codes.NotFound, "handler %q not found", handlerName)
+	}
+
+	_, res, err := handler.ServeGRPC(ctx, req)
+	if err != nil {
+		return err
+	}
+
+	fileData := getFileData(res)
+
+	// Set file size header
+	if setter, ok := stream.(interface{ SetHeader(metadata.MD) error }); ok {
+		if err := setter.SetHeader(metadata.New(map[string]string{
+			FileSizeKey: fmt.Sprint(len(fileData)),
+		})); err != nil {
+			return status.Error(codes.Internal, err.Error())
+		}
+	}
+
+	// Stream the file data
+	return s.streamFileData(bytes.NewBuffer(fileData), sendFn)
+}
+
+func (s *grpcServer) streamFileData(buffer *bytes.Buffer, sendFn func([]byte) error) error {
+	buf := make([]byte, bufferSize)
 	for {
-		algoChunk, err := stream.Recv()
+		n, err := buffer.Read(buf)
 		if err == io.EOF {
 			break
 		}
 		if err != nil {
 			return status.Error(codes.Internal, err.Error())
 		}
-		algoFile = append(algoFile, algoChunk.Algorithm...)
-		reqFile = append(reqFile, algoChunk.Requirements...)
+
+		if err := sendFn(buf[:n]); err != nil {
+			return status.Error(codes.Internal, err.Error())
+		}
 	}
-	_, res, err := s.algo.ServeGRPC(stream.Context(), &agent.AlgoRequest{Algorithm: algoFile, Requirements: reqFile})
+	return nil
+}
+
+func receiveStreamingData(getData func() ([]byte, string, error)) ([]byte, string, error) {
+	var data []byte
+	var filename string
+
+	for {
+		chunk, fname, err := getData()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return nil, "", status.Error(codes.Internal, err.Error())
+		}
+		data = append(data, chunk...)
+		if fname != "" {
+			filename = fname
+		}
+	}
+	return data, filename, nil
+}
+
+// Algo implements agent.AgentServiceServer.
+func (s *grpcServer) Algo(stream agent.AgentService_AlgoServer) error {
+	algoFile, reqFile, err := s.receiveAlgoData(stream)
 	if err != nil {
 		return err
 	}
-	ar := res.(*agent.AlgoResponse)
-	return stream.SendAndClose(ar)
+
+	_, res, err := s.handlers["algo"].ServeGRPC(stream.Context(), &agent.AlgoRequest{
+		Algorithm:    algoFile,
+		Requirements: reqFile,
+	})
+	if err != nil {
+		return err
+	}
+
+	return stream.SendAndClose(res.(*agent.AlgoResponse))
+}
+
+func (s *grpcServer) receiveAlgoData(stream agent.AgentService_AlgoServer) ([]byte, []byte, error) {
+	var algoFile, reqFile []byte
+	for {
+		chunk, err := stream.Recv()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return nil, nil, status.Error(codes.Internal, err.Error())
+		}
+		algoFile = append(algoFile, chunk.Algorithm...)
+		reqFile = append(reqFile, chunk.Requirements...)
+	}
+	return algoFile, reqFile, nil
 }
 
 // Data implements agent.AgentServiceServer.
 func (s *grpcServer) Data(stream agent.AgentService_DataServer) error {
-	var dataFile []byte
-	var filename string
-	for {
-		dataChunk, err := stream.Recv()
-		if err == io.EOF {
-			break
-		}
+	dataFile, filename, err := receiveStreamingData(func() ([]byte, string, error) {
+		chunk, err := stream.Recv()
 		if err != nil {
-			return status.Error(codes.Internal, err.Error())
+			return nil, "", err
 		}
-		dataFile = append(dataFile, dataChunk.Dataset...)
-		filename = dataChunk.Filename
-	}
-	_, res, err := s.data.ServeGRPC(stream.Context(), &agent.DataRequest{Dataset: dataFile, Filename: filename})
+		return chunk.Dataset, chunk.Filename, nil
+	})
 	if err != nil {
 		return err
 	}
-	ar := res.(*agent.DataResponse)
-	return stream.SendAndClose(ar)
+
+	_, res, err := s.handlers["data"].ServeGRPC(stream.Context(), &agent.DataRequest{
+		Dataset:  dataFile,
+		Filename: filename,
+	})
+	if err != nil {
+		return err
+	}
+
+	return stream.SendAndClose(res.(*agent.DataResponse))
 }
 
 func (s *grpcServer) Result(req *agent.ResultRequest, stream agent.AgentService_ResultServer) error {
-	_, res, err := s.result.ServeGRPC(stream.Context(), req)
-	if err != nil {
-		return err
-	}
-	rr := res.(*agent.ResultResponse)
-
-	if err := stream.SetHeader(metadata.New(map[string]string{FileSizeKey: fmt.Sprint(len(rr.File))})); err != nil {
-		return status.Error(codes.Internal, err.Error())
-	}
-
-	resultBuffer := bytes.NewBuffer(rr.File)
-
-	buf := make([]byte, bufferSize)
-
-	for {
-		n, err := resultBuffer.Read(buf)
-		if err == io.EOF {
-			break
-		}
-		if err != nil {
-			return status.Error(codes.Internal, err.Error())
-		}
-
-		if err := stream.Send(&agent.ResultResponse{File: buf[:n]}); err != nil {
-			return status.Error(codes.Internal, err.Error())
-		}
-	}
-
-	return nil
+	return s.streamingHandler(
+		stream.Context(),
+		"result",
+		req,
+		stream,
+		func(data []byte) error {
+			return stream.Send(&agent.ResultResponse{File: data})
+		},
+		func(res any) []byte {
+			return res.(*agent.ResultResponse).File
+		},
+	)
 }
 
 func (s *grpcServer) Attestation(req *agent.AttestationRequest, stream agent.AgentService_AttestationServer) error {
-	_, res, err := s.attestation.ServeGRPC(stream.Context(), req)
+	return s.streamingHandler(
+		stream.Context(),
+		"attestation",
+		req,
+		stream,
+		func(data []byte) error {
+			return stream.Send(&agent.AttestationResponse{File: data})
+		},
+		func(res any) []byte {
+			return res.(*agent.AttestationResponse).File
+		},
+	)
+}
+
+func (s *grpcServer) IMAMeasurements(req *agent.IMAMeasurementsRequest, stream agent.AgentService_IMAMeasurementsServer) error {
+	_, res, err := s.handlers["imaMeasurements"].ServeGRPC(stream.Context(), req)
 	if err != nil {
 		return err
 	}
-	rr := res.(*agent.AttestationResponse)
+	rr := res.(*agent.IMAMeasurementsResponse)
 
-	if err := stream.SetHeader(metadata.New(map[string]string{FileSizeKey: fmt.Sprint(len(rr.File))})); err != nil {
+	if err := stream.SetHeader(metadata.New(map[string]string{
+		FileSizeKey: strconv.Itoa(len(rr.File)),
+	})); err != nil {
 		return status.Error(codes.Internal, err.Error())
 	}
 
-	attestationBuffer := bytes.NewBuffer(rr.File)
+	return s.streamDualBuffers(
+		bytes.NewBuffer(rr.File),
+		bytes.NewBuffer(rr.Pcr10),
+		func(fileData, pcr10Data []byte) error {
+			return stream.Send(&agent.IMAMeasurementsResponse{
+				File:  fileData,
+				Pcr10: pcr10Data,
+			})
+		},
+	)
+}
 
-	buf := make([]byte, bufferSize)
+func (s *grpcServer) AzureAttestationToken(ctx context.Context, req *agent.AttestationTokenRequest) (*agent.AttestationTokenResponse, error) {
+	_, res, err := s.handlers["azureAttestationToken"].ServeGRPC(ctx, req)
+	if err != nil {
+		return nil, err
+	}
+
+	rr, ok := res.(*agent.AttestationTokenResponse)
+	if !ok {
+		return nil, status.Error(codes.Internal, "failed to cast response to AttestationTokenResponse")
+	}
+
+	return rr, nil
+}
+
+func (s *grpcServer) streamDualBuffers(
+	buf1, buf2 *bytes.Buffer,
+	sendFn func([]byte, []byte) error,
+) error {
+	buff1 := make([]byte, bufferSize)
+	buff2 := make([]byte, bufferSize)
 
 	for {
-		n, err := attestationBuffer.Read(buf)
-		if err == io.EOF {
-			break
-		}
-		if err != nil {
-			return status.Error(codes.Internal, err.Error())
+		n1, err1 := buf1.Read(buff1)
+		if err1 != nil && err1 != io.EOF {
+			return status.Error(codes.Internal, err1.Error())
 		}
 
-		if err := stream.Send(&agent.AttestationResponse{File: buf[:n]}); err != nil {
+		n2, err2 := buf2.Read(buff2)
+		if err2 != nil && err2 != io.EOF {
+			return status.Error(codes.Internal, err2.Error())
+		}
+
+		if n1 == 0 && err1 == io.EOF && n2 == 0 && err2 == io.EOF {
+			break
+		}
+
+		if err := sendFn(buff1[:n1], buff2[:n2]); err != nil {
 			return status.Error(codes.Internal, err.Error())
 		}
 	}
-
 	return nil
 }

agent/api/grpc/server_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/stretchr/testify/mock"
 	"github.com/ultravioletrs/cocos/agent"
 	"github.com/ultravioletrs/cocos/agent/mocks"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
 	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
 	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 	"google.golang.org/grpc"
@@ -68,8 +68,9 @@ func (m *MockAgentService_ResultServer) Context() context.Context {
 	return m.ctx
 }
 
-func (m *MockAgentService_ResultServer) SetHeader(metadata.MD) error {
-	return nil
+func (m *MockAgentService_ResultServer) SetHeader(md metadata.MD) error {
+	args := m.Called(md)
+	return args.Error(0)
 }
 
 func (m *MockAgentService_ResultServer) Send(resp *agent.ResultResponse) error {
@@ -92,8 +93,46 @@ func (m *MockAgentService_AttestationServer) Send(resp *agent.AttestationRespons
 	return args.Error(0)
 }
 
-func (m *MockAgentService_AttestationServer) SetHeader(metadata.MD) error {
-	return nil
+func (m *MockAgentService_AttestationServer) SetHeader(md metadata.MD) error {
+	args := m.Called(md)
+	return args.Error(0)
+}
+
+type MockAgentService_IMAMeasurementsServer struct {
+	grpc.ServerStream
+	mock.Mock
+	ctx context.Context
+}
+
+func (m *MockAgentService_IMAMeasurementsServer) Context() context.Context {
+	return m.ctx
+}
+
+func (m *MockAgentService_IMAMeasurementsServer) Send(resp *agent.IMAMeasurementsResponse) error {
+	args := m.Called(resp)
+	return args.Error(0)
+}
+
+func (m *MockAgentService_IMAMeasurementsServer) SetHeader(md metadata.MD) error {
+	args := m.Called(md)
+	return args.Error(0)
+}
+
+func TestNewServer(t *testing.T) {
+	mockService := new(mocks.Service)
+	server := NewServer(mockService)
+
+	grpcServer, ok := server.(*grpcServer)
+	assert.True(t, ok)
+	assert.NotNil(t, grpcServer.handlers)
+	assert.Len(t, grpcServer.handlers, 6) // Should have 6 handlers
+
+	// Check that all expected handlers are present
+	expectedHandlers := []string{"algo", "data", "result", "attestation", "imaMeasurements", "azureAttestationToken"}
+	for _, handler := range expectedHandlers {
+		assert.Contains(t, grpcServer.handlers, handler)
+		assert.NotNil(t, grpcServer.handlers[handler])
+	}
 }
 
 func TestAlgo(t *testing.T) {
@@ -102,8 +141,8 @@ func TestAlgo(t *testing.T) {
 
 	mockStream := &MockAgentService_AlgoServer{ctx: context.Background()}
 	mockStream.On("Recv").Return(&agent.AlgoRequest{Algorithm: []byte("algo"), Requirements: []byte("req")}, nil).Once()
-	mockStream.On("Recv").Return(&agent.AlgoRequest{}, io.EOF)
-	mockStream.On("SendAndClose", &agent.AlgoResponse{}).Return(nil)
+	mockStream.On("Recv").Return(&agent.AlgoRequest{}, io.EOF).Once()
+	mockStream.On("SendAndClose", &agent.AlgoResponse{}).Return(nil).Once()
 
 	mockService.On("Algo", context.Background(), agent.Algorithm{Algorithm: []byte("algo"), Requirements: []byte("req")}).Return(nil)
 
@@ -114,14 +153,33 @@ func TestAlgo(t *testing.T) {
 	mockService.AssertExpectations(t)
 }
 
+func TestAlgoWithMultipleChunks(t *testing.T) {
+	mockService := new(mocks.Service)
+	server := NewServer(mockService)
+
+	mockStream := &MockAgentService_AlgoServer{ctx: context.Background()}
+	mockStream.On("Recv").Return(&agent.AlgoRequest{Algorithm: []byte("algo"), Requirements: []byte("req")}, nil).Once()
+	mockStream.On("Recv").Return(&agent.AlgoRequest{Algorithm: []byte("2"), Requirements: []byte("2")}, nil).Once()
+	mockStream.On("Recv").Return(&agent.AlgoRequest{}, io.EOF).Once()
+	mockStream.On("SendAndClose", &agent.AlgoResponse{}).Return(nil).Once()
+
+	mockService.On("Algo", context.Background(), agent.Algorithm{Algorithm: []byte("algo2"), Requirements: []byte("req2")}).Return(nil)
+
+	err := server.Algo(mockStream)
+	assert.NoError(t, err)
+
+	mockStream.AssertExpectations(t)
+	mockService.AssertExpectations(t)
+}
+
 func TestData(t *testing.T) {
 	mockService := new(mocks.Service)
 	server := NewServer(mockService)
 
 	mockStream := &MockAgentService_DataServer{ctx: context.Background()}
 	mockStream.On("Recv").Return(&agent.DataRequest{Dataset: []byte("data"), Filename: "test.txt"}, nil).Once()
-	mockStream.On("Recv").Return(&agent.DataRequest{}, io.EOF)
-	mockStream.On("SendAndClose", &agent.DataResponse{}).Return(nil)
+	mockStream.On("Recv").Return(&agent.DataRequest{}, io.EOF).Once()
+	mockStream.On("SendAndClose", &agent.DataResponse{}).Return(nil).Once()
 
 	mockService.On("Data", context.Background(), agent.Dataset{Dataset: []byte("data"), Filename: "test.txt"}).Return(nil)
 
@@ -136,9 +194,18 @@ func TestResult(t *testing.T) {
 	mockService := new(mocks.Service)
 	server := NewServer(mockService)
 
+	resultData := []byte("result data")
 	mockStream := &MockAgentService_ResultServer{ctx: context.Background()}
-	mockService.On("Result", mock.Anything).Return([]byte("result data"), nil)
-	mockStream.On("Send", mock.AnythingOfType("*agent.ResultResponse")).Return(nil)
+
+	// Mock the SetHeader call
+	mockStream.On("SetHeader", mock.AnythingOfType("metadata.MD")).Return(nil).Once()
+
+	// Mock the Send call - it should be called with the result data
+	mockStream.On("Send", mock.MatchedBy(func(resp *agent.ResultResponse) bool {
+		return len(resp.File) > 0
+	})).Return(nil).Once()
+
+	mockService.On("Result", mock.Anything).Return(resultData, nil)
 
 	err := server.Result(&agent.ResultRequest{}, mockStream)
 	assert.NoError(t, err)
@@ -151,18 +218,135 @@ func TestAttestation(t *testing.T) {
 	mockService := new(mocks.Service)
 	server := NewServer(mockService)
 
+	attestationData := []byte("attestation data")
 	mockStream := &MockAgentService_AttestationServer{ctx: context.Background()}
-	mockStream.On("Send", mock.AnythingOfType("*agent.AttestationResponse")).Return(nil)
+
+	// Mock the SetHeader call
+	mockStream.On("SetHeader", mock.AnythingOfType("metadata.MD")).Return(nil).Once()
+
+	// Mock the Send call
+	mockStream.On("Send", mock.MatchedBy(func(resp *agent.AttestationResponse) bool {
+		return len(resp.File) > 0
+	})).Return(nil).Once()
 
 	reportData := [quoteprovider.Nonce]byte{}
 	vtpmNonce := [vtpm.Nonce]byte{}
-	attestationType := config.SNP
-	mockService.On("Attestation", mock.Anything, reportData, vtpmNonce, attestationType).Return([]byte("attestation data"), nil)
+	attestationType := attestation.SNP
+	mockService.On("Attestation", mock.Anything, reportData, vtpmNonce, attestationType).Return(attestationData, nil)
 
-	err := server.Attestation(&agent.AttestationRequest{TeeNonce: reportData[:]}, mockStream)
+	err := server.Attestation(&agent.AttestationRequest{TeeNonce: reportData[:], Type: int32(attestationType)}, mockStream)
 	assert.NoError(t, err)
 
 	mockService.AssertExpectations(t)
+	mockStream.AssertExpectations(t)
+}
+
+func TestIMAMeasurements(t *testing.T) {
+	mockService := new(mocks.Service)
+	server := NewServer(mockService)
+
+	imaData := []byte("ima data")
+	pcr10Data := []byte("pcr10 data")
+
+	mockStream := &MockAgentService_IMAMeasurementsServer{ctx: context.Background()}
+
+	// Mock the SetHeader call
+	mockStream.On("SetHeader", mock.AnythingOfType("metadata.MD")).Return(nil).Once()
+
+	// Mock the Send call
+	mockStream.On("Send", mock.MatchedBy(func(resp *agent.IMAMeasurementsResponse) bool {
+		return len(resp.File) > 0 || len(resp.Pcr10) > 0
+	})).Return(nil).Once()
+
+	mockService.On("IMAMeasurements", mock.Anything).Return(imaData, pcr10Data, nil)
+
+	err := server.IMAMeasurements(&agent.IMAMeasurementsRequest{}, mockStream)
+	assert.NoError(t, err)
+
+	mockService.AssertExpectations(t)
+	mockStream.AssertExpectations(t)
+}
+
+func TestAttestationToken(t *testing.T) {
+	mockService := new(mocks.Service)
+	server := NewServer(mockService)
+
+	attestationData := []byte("attestation token data")
+	vtpmNonce := [vtpm.Nonce]byte{}
+	attestationType := attestation.SNP
+
+	mockService.On("AzureAttestationToken", mock.Anything, vtpmNonce).Return(attestationData, nil)
+
+	resp, err := server.AzureAttestationToken(context.Background(), &agent.AttestationTokenRequest{
+		TokenNonce: vtpmNonce[:],
+		Type:       int32(attestationType),
+	})
+
+	assert.NoError(t, err)
+	assert.Equal(t, attestationData, resp.File)
+
+	mockService.AssertExpectations(t)
+}
+
+func TestValidateNonce(t *testing.T) {
+	tests := []struct {
+		name        string
+		nonce       []byte
+		maxLen      int
+		shouldError bool
+		expectedErr error
+	}{
+		{
+			name:        "valid TEE nonce",
+			nonce:       make([]byte, quoteprovider.Nonce),
+			maxLen:      quoteprovider.Nonce,
+			shouldError: false,
+		},
+		{
+			name:        "valid vTPM nonce",
+			nonce:       make([]byte, vtpm.Nonce),
+			maxLen:      vtpm.Nonce,
+			shouldError: false,
+		},
+		{
+			name:        "TEE nonce too long",
+			nonce:       make([]byte, quoteprovider.Nonce+1),
+			maxLen:      quoteprovider.Nonce,
+			shouldError: true,
+			expectedErr: ErrTEENonceLength,
+		},
+		{
+			name:        "vTPM nonce too long",
+			nonce:       make([]byte, vtpm.Nonce+1),
+			maxLen:      vtpm.Nonce,
+			shouldError: true,
+			expectedErr: ErrVTPMNonceLength,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.maxLen == quoteprovider.Nonce {
+				var target [quoteprovider.Nonce]byte
+				err := validateNonce(tt.nonce, tt.maxLen, &target)
+				if tt.shouldError {
+					assert.Error(t, err)
+					assert.Equal(t, tt.expectedErr, err)
+				} else {
+					assert.NoError(t, err)
+				}
+			} else {
+				var target [vtpm.Nonce]byte
+				err := validateNonce(tt.nonce, tt.maxLen, &target)
+				if tt.shouldError {
+					assert.Error(t, err)
+					assert.Equal(t, tt.expectedErr, err)
+				} else {
+					assert.NoError(t, err)
+				}
+			}
+		})
+	}
 }
 
 func TestDecodeAlgoRequest(t *testing.T) {
@@ -204,11 +388,38 @@ func TestEncodeResultResponse(t *testing.T) {
 }
 
 func TestDecodeAttestationRequest(t *testing.T) {
-	nonce := [quoteprovider.Nonce]byte{}
-	req := &agent.AttestationRequest{TeeNonce: nonce[:]}
+	teeNonce := make([]byte, quoteprovider.Nonce)
+	vtpmNonce := make([]byte, vtpm.Nonce)
+
+	req := &agent.AttestationRequest{
+		TeeNonce:  teeNonce,
+		VtpmNonce: vtpmNonce,
+		Type:      int32(attestation.SNP),
+	}
+
 	decoded, err := decodeAttestationRequest(context.Background(), req)
 	assert.NoError(t, err)
-	assert.Equal(t, attestationReq{TeeNonce: nonce}, decoded)
+
+	decodedReq := decoded.(attestationReq)
+	assert.Equal(t, attestation.SNP, decodedReq.AttType)
+}
+
+func TestDecodeAttestationRequestWithInvalidNonce(t *testing.T) {
+	// Test with TEE nonce too long
+	teeNonce := make([]byte, quoteprovider.Nonce+1)
+	req := &agent.AttestationRequest{TeeNonce: teeNonce}
+
+	_, err := decodeAttestationRequest(context.Background(), req)
+	assert.Error(t, err)
+	assert.Equal(t, ErrTEENonceLength, err)
+
+	// Test with vTPM nonce too long
+	vtpmNonce := make([]byte, vtpm.Nonce+1)
+	req = &agent.AttestationRequest{VtpmNonce: vtpmNonce}
+
+	_, err = decodeAttestationRequest(context.Background(), req)
+	assert.Error(t, err)
+	assert.Equal(t, ErrVTPMNonceLength, err)
 }
 
 func TestEncodeAttestationResponse(t *testing.T) {
@@ -216,3 +427,74 @@ func TestEncodeAttestationResponse(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, &agent.AttestationResponse{File: []byte("attestation")}, encoded)
 }
+
+func TestDecodeAttestationTokenRequest(t *testing.T) {
+	tokenNonce := make([]byte, vtpm.Nonce)
+	req := &agent.AttestationTokenRequest{
+		TokenNonce: tokenNonce,
+		Type:       int32(attestation.SNP),
+	}
+
+	_, err := decodeAttestationTokenRequest(context.Background(), req)
+	assert.NoError(t, err)
+}
+
+func TestDecodeAttestationTokenRequestWithInvalidNonce(t *testing.T) {
+	// Test with token nonce too long
+	tokenNonce := make([]byte, vtpm.Nonce+1)
+	req := &agent.AttestationTokenRequest{TokenNonce: tokenNonce}
+
+	_, err := decodeAttestationTokenRequest(context.Background(), req)
+	assert.Error(t, err)
+	assert.Equal(t, ErrVTPMNonceLength, err)
+}
+
+func TestEncodeAttestationTokenResponse(t *testing.T) {
+	encoded, err := encodeAttestationTokenResponse(context.Background(), fetchAttestationTokenRes{File: []byte("attestation")})
+	assert.NoError(t, err)
+	assert.Equal(t, &agent.AttestationTokenResponse{File: []byte("attestation")}, encoded)
+}
+
+func TestDecodeIMAMeasurementsRequest(t *testing.T) {
+	decoded, err := decodeIMAMeasurementsRequest(context.Background(), &agent.IMAMeasurementsRequest{})
+	assert.NoError(t, err)
+	assert.Equal(t, imaMeasurementsReq{}, decoded)
+}
+
+func TestEncodeIMAMeasurementsResponse(t *testing.T) {
+	encoded, err := encodeIMAMeasurementsResponse(context.Background(), imaMeasurementsRes{
+		File:  []byte("ima"),
+		PCR10: []byte("pcr10"),
+	})
+	assert.NoError(t, err)
+	assert.Equal(t, &agent.IMAMeasurementsResponse{
+		File:  []byte("ima"),
+		Pcr10: []byte("pcr10"),
+	}, encoded)
+}
+
+func TestAlgoWithStreamError(t *testing.T) {
+	mockService := new(mocks.Service)
+	server := NewServer(mockService)
+
+	mockStream := &MockAgentService_AlgoServer{ctx: context.Background()}
+	mockStream.On("Recv").Return(&agent.AlgoRequest{}, assert.AnError).Once()
+
+	err := server.Algo(mockStream)
+	assert.Error(t, err)
+
+	mockStream.AssertExpectations(t)
+}
+
+func TestDataWithStreamError(t *testing.T) {
+	mockService := new(mocks.Service)
+	server := NewServer(mockService)
+
+	mockStream := &MockAgentService_DataServer{ctx: context.Background()}
+	mockStream.On("Recv").Return(&agent.DataRequest{}, assert.AnError).Once()
+
+	err := server.Data(mockStream)
+	assert.Error(t, err)
+
+	mockStream.AssertExpectations(t)
+}

agent/api/logging.go

@@ -13,7 +13,7 @@ import (
 	"time"
 
 	"github.com/ultravioletrs/cocos/agent"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
 	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
 	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 )
@@ -106,7 +106,7 @@ func (lm *loggingMiddleware) Result(ctx context.Context) (response []byte, err e
 	return lm.svc.Result(ctx)
 }
 
-func (lm *loggingMiddleware) Attestation(ctx context.Context, reportData [quoteprovider.Nonce]byte, nonce [vtpm.Nonce]byte, attType config.AttestationType) (response []byte, err error) {
+func (lm *loggingMiddleware) Attestation(ctx context.Context, reportData [quoteprovider.Nonce]byte, nonce [vtpm.Nonce]byte, attType attestation.PlatformType) (response []byte, err error) {
 	defer func(begin time.Time) {
 		message := fmt.Sprintf("Method Attestation took %s to complete", time.Since(begin))
 		if err != nil {
@@ -118,3 +118,29 @@ func (lm *loggingMiddleware) Attestation(ctx context.Context, reportData [quotep
 
 	return lm.svc.Attestation(ctx, reportData, nonce, attType)
 }
+
+func (lm *loggingMiddleware) IMAMeasurements(ctx context.Context) (file []byte, pcr10 []byte, err error) {
+	defer func(begin time.Time) {
+		message := fmt.Sprintf("Method IMAMeasurements took %s to complete", time.Since(begin))
+		if err != nil {
+			lm.logger.Warn(fmt.Sprintf("%s with error: %s", message, err))
+			return
+		}
+		lm.logger.Info(fmt.Sprintf("%s without errors", message))
+	}(time.Now())
+
+	return lm.svc.IMAMeasurements(ctx)
+}
+
+func (lm *loggingMiddleware) AzureAttestationToken(ctx context.Context, nonce [vtpm.Nonce]byte) (response []byte, err error) {
+	defer func(begin time.Time) {
+		message := fmt.Sprintf("Method AzureAttestationToken took %s to complete", time.Since(begin))
+		if err != nil {
+			lm.logger.Warn(fmt.Sprintf("%s with error: %s", message, err))
+			return
+		}
+		lm.logger.Info(fmt.Sprintf("%s without errors", message))
+	}(time.Now())
+
+	return lm.svc.AzureAttestationToken(ctx, nonce)
+}

agent/api/metrics.go

@@ -12,7 +12,7 @@ import (
 
 	"github.com/go-kit/kit/metrics"
 	"github.com/ultravioletrs/cocos/agent"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
 	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
 	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 )
@@ -92,7 +92,7 @@ func (ms *metricsMiddleware) Result(ctx context.Context) ([]byte, error) {
 	return ms.svc.Result(ctx)
 }
 
-func (ms *metricsMiddleware) Attestation(ctx context.Context, reportData [quoteprovider.Nonce]byte, nonce [vtpm.Nonce]byte, attType config.AttestationType) ([]byte, error) {
+func (ms *metricsMiddleware) Attestation(ctx context.Context, reportData [quoteprovider.Nonce]byte, nonce [vtpm.Nonce]byte, attType attestation.PlatformType) ([]byte, error) {
 	defer func(begin time.Time) {
 		ms.counter.With("method", "attestation").Add(1)
 		ms.latency.With("method", "attestation").Observe(time.Since(begin).Seconds())
@@ -100,3 +100,21 @@ func (ms *metricsMiddleware) Attestation(ctx context.Context, reportData [quotep
 
 	return ms.svc.Attestation(ctx, reportData, nonce, attType)
 }
+
+func (ms *metricsMiddleware) AzureAttestationToken(ctx context.Context, nonce [vtpm.Nonce]byte) ([]byte, error) {
+	defer func(begin time.Time) {
+		ms.counter.With("method", "attestation_token").Add(1)
+		ms.latency.With("method", "attestation_token").Observe(time.Since(begin).Seconds())
+	}(time.Now())
+
+	return ms.svc.AzureAttestationToken(ctx, nonce)
+}
+
+func (ms *metricsMiddleware) IMAMeasurements(ctx context.Context) ([]byte, []byte, error) {
+	defer func(begin time.Time) {
+		ms.counter.With("method", "imameasurements").Add(1)
+		ms.latency.With("method", "imameasurements").Observe(time.Since(begin).Seconds())
+	}(time.Now())
+
+	return ms.svc.IMAMeasurements(ctx)
+}

agent/auth/auth.go

@@ -13,7 +13,7 @@ import (
 	"crypto/x509"
 	"encoding/base64"
 
-	"github.com/absmach/magistrala/pkg/errors"
+	"github.com/absmach/supermq/pkg/errors"
 	"github.com/ultravioletrs/cocos/agent"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/metadata"
@@ -41,9 +41,9 @@ type Authenticator interface {
 }
 
 type service struct {
-	resultConsumers   []interface{}
-	datasetProviders  []interface{}
-	algorithmProvider interface{}
+	resultConsumers   []any
+	datasetProviders  []any
+	algorithmProvider any
 }
 
 func New(manifest agent.Computation) (Authenticator, error) {

agent/auth/auth_test.go

@@ -15,7 +15,7 @@ import (
 	"encoding/base64"
 	"testing"
 
-	"github.com/absmach/magistrala/pkg/errors"
+	"github.com/absmach/supermq/pkg/errors"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"github.com/ultravioletrs/cocos/agent"

agent/auth/mocks/authenticator.go

@@ -1,18 +1,33 @@
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
+// Code generated by mockery; DO NOT EDIT.
+// github.com/vektra/mockery
+// template: testify
 
 package mocks
 
 import (
-	context "context"
-
-	auth "github.com/ultravioletrs/cocos/agent/auth"
+	"context"
 
 	mock "github.com/stretchr/testify/mock"
+	"github.com/ultravioletrs/cocos/agent/auth"
 )
 
+// NewAuthenticator creates a new instance of Authenticator. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewAuthenticator(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *Authenticator {
+	mock := &Authenticator{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
 // Authenticator is an autogenerated mock type for the Authenticator type
 type Authenticator struct {
 	mock.Mock
@@ -26,9 +41,9 @@ func (_m *Authenticator) EXPECT() *Authenticator_Expecter {
 	return &Authenticator_Expecter{mock: &_m.Mock}
 }
 
-// AuthenticateUser provides a mock function with given fields: ctx, role
-func (_m *Authenticator) AuthenticateUser(ctx context.Context, role auth.UserRole) (context.Context, error) {
-	ret := _m.Called(ctx, role)
+// AuthenticateUser provides a mock function for the type Authenticator
+func (_mock *Authenticator) AuthenticateUser(ctx context.Context, role auth.UserRole) (context.Context, error) {
+	ret := _mock.Called(ctx, role)
 
 	if len(ret) == 0 {
 		panic("no return value specified for AuthenticateUser")
@@ -36,23 +51,21 @@ func (_m *Authenticator) AuthenticateUser(ctx context.Context, role auth.UserRol
 
 	var r0 context.Context
 	var r1 error
-	if rf, ok := ret.Get(0).(func(context.Context, auth.UserRole) (context.Context, error)); ok {
-		return rf(ctx, role)
+	if returnFunc, ok := ret.Get(0).(func(context.Context, auth.UserRole) (context.Context, error)); ok {
+		return returnFunc(ctx, role)
 	}
-	if rf, ok := ret.Get(0).(func(context.Context, auth.UserRole) context.Context); ok {
-		r0 = rf(ctx, role)
+	if returnFunc, ok := ret.Get(0).(func(context.Context, auth.UserRole) context.Context); ok {
+		r0 = returnFunc(ctx, role)
 	} else {
 		if ret.Get(0) != nil {
 			r0 = ret.Get(0).(context.Context)
 		}
 	}
-
-	if rf, ok := ret.Get(1).(func(context.Context, auth.UserRole) error); ok {
-		r1 = rf(ctx, role)
+	if returnFunc, ok := ret.Get(1).(func(context.Context, auth.UserRole) error); ok {
+		r1 = returnFunc(ctx, role)
 	} else {
 		r1 = ret.Error(1)
 	}
-
 	return r0, r1
 }
 
@@ -70,31 +83,28 @@ func (_e *Authenticator_Expecter) AuthenticateUser(ctx interface{}, role interfa
 
 func (_c *Authenticator_AuthenticateUser_Call) Run(run func(ctx context.Context, role auth.UserRole)) *Authenticator_AuthenticateUser_Call {
 	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(context.Context), args[1].(auth.UserRole))
+		var arg0 context.Context
+		if args[0] != nil {
+			arg0 = args[0].(context.Context)
+		}
+		var arg1 auth.UserRole
+		if args[1] != nil {
+			arg1 = args[1].(auth.UserRole)
+		}
+		run(
+			arg0,
+			arg1,
+		)
 	})
 	return _c
 }
 
-func (_c *Authenticator_AuthenticateUser_Call) Return(_a0 context.Context, _a1 error) *Authenticator_AuthenticateUser_Call {
-	_c.Call.Return(_a0, _a1)
+func (_c *Authenticator_AuthenticateUser_Call) Return(context1 context.Context, err error) *Authenticator_AuthenticateUser_Call {
+	_c.Call.Return(context1, err)
 	return _c
 }
 
-func (_c *Authenticator_AuthenticateUser_Call) RunAndReturn(run func(context.Context, auth.UserRole) (context.Context, error)) *Authenticator_AuthenticateUser_Call {
+func (_c *Authenticator_AuthenticateUser_Call) RunAndReturn(run func(ctx context.Context, role auth.UserRole) (context.Context, error)) *Authenticator_AuthenticateUser_Call {
 	_c.Call.Return(run)
 	return _c
 }
-
-// NewAuthenticator creates a new instance of Authenticator. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-// The first argument is typically a *testing.T value.
-func NewAuthenticator(t interface {
-	mock.TestingT
-	Cleanup(func())
-}) *Authenticator {
-	mock := &Authenticator{}
-	mock.Mock.Test(t)
-
-	t.Cleanup(func() { mock.AssertExpectations(t) })
-
-	return mock
-}

agent/cvms/api/grpc/client.go

@@ -4,16 +4,19 @@ package grpc
 
 import (
 	"context"
+	"encoding/json"
 	"log/slog"
 	"sync"
 	"time"
 
-	"github.com/absmach/magistrala/pkg/errors"
+	"github.com/absmach/supermq/pkg/errors"
 	"github.com/ultravioletrs/cocos/agent"
 	"github.com/ultravioletrs/cocos/agent/cvms"
 	"github.com/ultravioletrs/cocos/agent/cvms/api/grpc/storage"
 	"github.com/ultravioletrs/cocos/agent/cvms/server"
-	pkggrpc "github.com/ultravioletrs/cocos/pkg/clients/grpc"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
+	"github.com/ultravioletrs/cocos/pkg/clients/grpc"
 	"golang.org/x/sync/errgroup"
 	"google.golang.org/protobuf/proto"
 )
@@ -21,12 +24,11 @@ import (
 const (
 	reconnectInterval = 5 * time.Second
 	sendTimeout       = 5 * time.Second
-	pendingMsgFile    = "pending_messages.json"
 )
 
 var (
 	errCorruptedManifest  = errors.New("received manifest may be corrupted")
-	errUnknonwMessageType = errors.New("unknown message type")
+	errUnknownMessageType = errors.New("unknown message type")
 )
 
 type PendingMessage struct {
@@ -43,12 +45,12 @@ type CVMSClient struct {
 	runReqManager *runRequestManager
 	sp            server.AgentServer
 	storage       storage.Storage
-	reconnectFn   func(context.Context) (pkggrpc.Client, cvms.Service_ProcessClient, error)
-	grpcClient    pkggrpc.Client
+	reconnectFn   func(context.Context) (grpc.Client, cvms.Service_ProcessClient, error)
+	grpcClient    grpc.Client
 }
 
 // NewClient returns new gRPC client instance.
-func NewClient(stream cvms.Service_ProcessClient, svc agent.Service, messageQueue chan *cvms.ClientStreamMessage, logger *slog.Logger, sp server.AgentServer, storageDir string, reconnectFn func(context.Context) (pkggrpc.Client, cvms.Service_ProcessClient, error), grpcClient pkggrpc.Client) (*CVMSClient, error) {
+func NewClient(stream cvms.Service_ProcessClient, svc agent.Service, messageQueue chan *cvms.ClientStreamMessage, logger *slog.Logger, sp server.AgentServer, storageDir string, reconnectFn func(context.Context) (grpc.Client, cvms.Service_ProcessClient, error), grpcClient grpc.Client) (*CVMSClient, error) {
 	store, err := storage.NewFileStorage(storageDir)
 	if err != nil {
 		return nil, err
@@ -184,7 +186,7 @@ func (client *CVMSClient) processIncomingMessage(ctx context.Context, req *cvms.
 		}
 		client.mu.Unlock()
 	default:
-		return errUnknonwMessageType
+		return errUnknownMessageType
 	}
 	return nil
 }
@@ -249,6 +251,8 @@ func (client *CVMSClient) executeRun(ctx context.Context, runReq *cvms.Computati
 		return
 	}
 
+	ccPlatform := attestation.CCPlatform()
+
 	client.mu.Lock()
 	defer client.mu.Unlock()
 
@@ -274,6 +278,20 @@ func (client *CVMSClient) executeRun(ctx context.Context, runReq *cvms.Computati
 		runRes.RunRes.Error = err.Error()
 	}
 
+	defer func() {
+		if ccPlatform == attestation.Azure || ccPlatform == attestation.SNPvTPM {
+			cmpJson, err := json.Marshal(ac)
+			if err != nil {
+				client.logger.Error(err.Error())
+				return
+			}
+			if err = vtpm.ExtendPCR(vtpm.PCR16, cmpJson); err != nil {
+				client.logger.Error(err.Error())
+				return
+			}
+		}
+	}()
+
 	client.sendMessage(&cvms.ClientStreamMessage{Message: runRes})
 }
 

agent/cvms/api/grpc/client_test.go

@@ -7,7 +7,7 @@ import (
 	"testing"
 	"time"
 
-	mglog "github.com/absmach/magistrala/logger"
+	mglog "github.com/absmach/supermq/logger"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 	"github.com/ultravioletrs/cocos/agent/cvms"
@@ -15,6 +15,7 @@ import (
 	"github.com/ultravioletrs/cocos/agent/mocks"
 	pkggrpc "github.com/ultravioletrs/cocos/pkg/clients/grpc"
 	clientmocks "github.com/ultravioletrs/cocos/pkg/clients/grpc/mocks"
+	"golang.org/x/crypto/sha3"
 	"google.golang.org/grpc"
 	"google.golang.org/protobuf/proto"
 )
@@ -37,13 +38,13 @@ func (m *mockStream) Send(msg *cvms.ClientStreamMessage) error {
 func TestManagerClient_Process(t *testing.T) {
 	tests := []struct {
 		name        string
-		setupMocks  func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer)
+		setupMocks  func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer, grpcClient *clientmocks.Client)
 		expectError bool
 		errorMsg    string
 	}{
 		{
 			name: "Stop computation",
-			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer) {
+			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer, grpcClient *clientmocks.Client) {
 				mockStream.On("Recv").Return(&cvms.ServerStreamMessage{
 					Message: &cvms.ServerStreamMessage_StopComputation{
 						StopComputation: &cvms.StopComputation{},
@@ -58,7 +59,7 @@ func TestManagerClient_Process(t *testing.T) {
 		},
 		{
 			name: "Run request chunks",
-			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer) {
+			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer, grpcClient *clientmocks.Client) {
 				mockStream.On("Recv").Return(&cvms.ServerStreamMessage{
 					Message: &cvms.ServerStreamMessage_RunReqChunks{
 						RunReqChunks: &cvms.RunReqChunks{},
@@ -69,9 +70,37 @@ func TestManagerClient_Process(t *testing.T) {
 			},
 			expectError: true,
 		},
+		{
+			name: "Agent state request",
+			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer, grpcClient *clientmocks.Client) {
+				mockStream.On("Recv").Return(&cvms.ServerStreamMessage{
+					Message: &cvms.ServerStreamMessage_AgentStateReq{
+						AgentStateReq: &cvms.AgentStateReq{
+							Id: "test-agent",
+						},
+					},
+				}, nil)
+				mockStream.On("Send", mock.Anything).Return(nil)
+				mockSvc.On("State").Return("test-state")
+			},
+			expectError: true,
+			errorMsg:    "context deadline exceeded",
+		},
+		{
+			name: "Disconnect request",
+			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer, grpcClient *clientmocks.Client) {
+				mockStream.On("Recv").Return(&cvms.ServerStreamMessage{
+					Message: &cvms.ServerStreamMessage_DisconnectReq{},
+				}, nil)
+				mockStream.On("Send", mock.Anything).Return(nil)
+				grpcClient.On("Close").Return(nil)
+			},
+			expectError: true,
+			errorMsg:    "context deadline exceeded",
+		},
 		{
 			name: "Receive error",
-			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer) {
+			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer, grpcClient *clientmocks.Client) {
 				mockStream.On("Recv").Return(&cvms.ServerStreamMessage{}, assert.AnError)
 			},
 			expectError: true,
@@ -98,7 +127,7 @@ func TestManagerClient_Process(t *testing.T) {
 			ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
 			defer cancel()
 
-			tc.setupMocks(mockStream, mockSvc, mockServerSvc)
+			tc.setupMocks(mockStream, mockSvc, mockServerSvc, grpcClient)
 
 			err = client.Process(ctx, cancel)
 
@@ -127,6 +156,19 @@ func TestManagerClient_handleRunReqChunks(t *testing.T) {
 
 	runReq := &cvms.ComputationRunReq{
 		Id: "test-id",
+		Datasets: []*cvms.Dataset{
+			{
+				Hash: sha3.New256().Sum([]byte("test-dataset")),
+			},
+		},
+		Algorithm: &cvms.Algorithm{
+			Hash: sha3.New256().Sum([]byte("test-algorithm")),
+		},
+		ResultConsumers: []*cvms.ResultConsumer{
+			{
+				UserKey: []byte("test-consumer"),
+			},
+		},
 	}
 	runReqBytes, _ := proto.Marshal(runReq)
 

agent/cvms/api/grpc/server_test.go

@@ -7,7 +7,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/absmach/magistrala/pkg/errors"
+	"github.com/absmach/supermq/pkg/errors"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 	"github.com/ultravioletrs/cocos/agent/cvms"

agent/cvms/api/grpc/storage/mocks/storage.go

@@ -1,17 +1,32 @@
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
+// Code generated by mockery; DO NOT EDIT.
+// github.com/vektra/mockery
+// template: testify
 
 package mocks
 
 import (
 	mock "github.com/stretchr/testify/mock"
-	cvms "github.com/ultravioletrs/cocos/agent/cvms"
-
-	storage "github.com/ultravioletrs/cocos/agent/cvms/api/grpc/storage"
+	"github.com/ultravioletrs/cocos/agent/cvms"
+	"github.com/ultravioletrs/cocos/agent/cvms/api/grpc/storage"
 )
 
+// NewStorage creates a new instance of Storage. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewStorage(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *Storage {
+	mock := &Storage{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
 // Storage is an autogenerated mock type for the Storage type
 type Storage struct {
 	mock.Mock
@@ -25,21 +40,20 @@ func (_m *Storage) EXPECT() *Storage_Expecter {
 	return &Storage_Expecter{mock: &_m.Mock}
 }
 
-// Add provides a mock function with given fields: msg
-func (_m *Storage) Add(msg *cvms.ClientStreamMessage) error {
-	ret := _m.Called(msg)
+// Add provides a mock function for the type Storage
+func (_mock *Storage) Add(msg *cvms.ClientStreamMessage) error {
+	ret := _mock.Called(msg)
 
 	if len(ret) == 0 {
 		panic("no return value specified for Add")
 	}
 
 	var r0 error
-	if rf, ok := ret.Get(0).(func(*cvms.ClientStreamMessage) error); ok {
-		r0 = rf(msg)
+	if returnFunc, ok := ret.Get(0).(func(*cvms.ClientStreamMessage) error); ok {
+		r0 = returnFunc(msg)
 	} else {
 		r0 = ret.Error(0)
 	}
-
 	return r0
 }
 
@@ -56,36 +70,41 @@ func (_e *Storage_Expecter) Add(msg interface{}) *Storage_Add_Call {
 
 func (_c *Storage_Add_Call) Run(run func(msg *cvms.ClientStreamMessage)) *Storage_Add_Call {
 	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(*cvms.ClientStreamMessage))
+		var arg0 *cvms.ClientStreamMessage
+		if args[0] != nil {
+			arg0 = args[0].(*cvms.ClientStreamMessage)
+		}
+		run(
+			arg0,
+		)
 	})
 	return _c
 }
 
-func (_c *Storage_Add_Call) Return(_a0 error) *Storage_Add_Call {
-	_c.Call.Return(_a0)
+func (_c *Storage_Add_Call) Return(err error) *Storage_Add_Call {
+	_c.Call.Return(err)
 	return _c
 }
 
-func (_c *Storage_Add_Call) RunAndReturn(run func(*cvms.ClientStreamMessage) error) *Storage_Add_Call {
+func (_c *Storage_Add_Call) RunAndReturn(run func(msg *cvms.ClientStreamMessage) error) *Storage_Add_Call {
 	_c.Call.Return(run)
 	return _c
 }
 
-// Clear provides a mock function with no fields
-func (_m *Storage) Clear() error {
-	ret := _m.Called()
+// Clear provides a mock function for the type Storage
+func (_mock *Storage) Clear() error {
+	ret := _mock.Called()
 
 	if len(ret) == 0 {
 		panic("no return value specified for Clear")
 	}
 
 	var r0 error
-	if rf, ok := ret.Get(0).(func() error); ok {
-		r0 = rf()
+	if returnFunc, ok := ret.Get(0).(func() error); ok {
+		r0 = returnFunc()
 	} else {
 		r0 = ret.Error(0)
 	}
-
 	return r0
 }
 
@@ -106,8 +125,8 @@ func (_c *Storage_Clear_Call) Run(run func()) *Storage_Clear_Call {
 	return _c
 }
 
-func (_c *Storage_Clear_Call) Return(_a0 error) *Storage_Clear_Call {
-	_c.Call.Return(_a0)
+func (_c *Storage_Clear_Call) Return(err error) *Storage_Clear_Call {
+	_c.Call.Return(err)
 	return _c
 }
 
@@ -116,9 +135,9 @@ func (_c *Storage_Clear_Call) RunAndReturn(run func() error) *Storage_Clear_Call
 	return _c
 }
 
-// Load provides a mock function with no fields
-func (_m *Storage) Load() ([]storage.Message, error) {
-	ret := _m.Called()
+// Load provides a mock function for the type Storage
+func (_mock *Storage) Load() ([]storage.Message, error) {
+	ret := _mock.Called()
 
 	if len(ret) == 0 {
 		panic("no return value specified for Load")
@@ -126,23 +145,21 @@ func (_m *Storage) Load() ([]storage.Message, error) {
 
 	var r0 []storage.Message
 	var r1 error
-	if rf, ok := ret.Get(0).(func() ([]storage.Message, error)); ok {
-		return rf()
+	if returnFunc, ok := ret.Get(0).(func() ([]storage.Message, error)); ok {
+		return returnFunc()
 	}
-	if rf, ok := ret.Get(0).(func() []storage.Message); ok {
-		r0 = rf()
+	if returnFunc, ok := ret.Get(0).(func() []storage.Message); ok {
+		r0 = returnFunc()
 	} else {
 		if ret.Get(0) != nil {
 			r0 = ret.Get(0).([]storage.Message)
 		}
 	}
-
-	if rf, ok := ret.Get(1).(func() error); ok {
-		r1 = rf()
+	if returnFunc, ok := ret.Get(1).(func() error); ok {
+		r1 = returnFunc()
 	} else {
 		r1 = ret.Error(1)
 	}
-
 	return r0, r1
 }
 
@@ -163,8 +180,8 @@ func (_c *Storage_Load_Call) Run(run func()) *Storage_Load_Call {
 	return _c
 }
 
-func (_c *Storage_Load_Call) Return(_a0 []storage.Message, _a1 error) *Storage_Load_Call {
-	_c.Call.Return(_a0, _a1)
+func (_c *Storage_Load_Call) Return(messages []storage.Message, err error) *Storage_Load_Call {
+	_c.Call.Return(messages, err)
 	return _c
 }
 
@@ -173,21 +190,20 @@ func (_c *Storage_Load_Call) RunAndReturn(run func() ([]storage.Message, error))
 	return _c
 }
 
-// Save provides a mock function with given fields: messages
-func (_m *Storage) Save(messages []storage.Message) error {
-	ret := _m.Called(messages)
+// Save provides a mock function for the type Storage
+func (_mock *Storage) Save(messages []storage.Message) error {
+	ret := _mock.Called(messages)
 
 	if len(ret) == 0 {
 		panic("no return value specified for Save")
 	}
 
 	var r0 error
-	if rf, ok := ret.Get(0).(func([]storage.Message) error); ok {
-		r0 = rf(messages)
+	if returnFunc, ok := ret.Get(0).(func([]storage.Message) error); ok {
+		r0 = returnFunc(messages)
 	} else {
 		r0 = ret.Error(0)
 	}
-
 	return r0
 }
 
@@ -204,31 +220,23 @@ func (_e *Storage_Expecter) Save(messages interface{}) *Storage_Save_Call {
 
 func (_c *Storage_Save_Call) Run(run func(messages []storage.Message)) *Storage_Save_Call {
 	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].([]storage.Message))
+		var arg0 []storage.Message
+		if args[0] != nil {
+			arg0 = args[0].([]storage.Message)
+		}
+		run(
+			arg0,
+		)
 	})
 	return _c
 }
 
-func (_c *Storage_Save_Call) Return(_a0 error) *Storage_Save_Call {
-	_c.Call.Return(_a0)
+func (_c *Storage_Save_Call) Return(err error) *Storage_Save_Call {
+	_c.Call.Return(err)
 	return _c
 }
 
-func (_c *Storage_Save_Call) RunAndReturn(run func([]storage.Message) error) *Storage_Save_Call {
+func (_c *Storage_Save_Call) RunAndReturn(run func(messages []storage.Message) error) *Storage_Save_Call {
 	_c.Call.Return(run)
 	return _c
 }
-
-// NewStorage creates a new instance of Storage. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-// The first argument is typically a *testing.T value.
-func NewStorage(t interface {
-	mock.TestingT
-	Cleanup(func())
-}) *Storage {
-	mock := &Storage{}
-	mock.Mock.Test(t)
-
-	t.Cleanup(func() { mock.AssertExpectations(t) })
-
-	return mock
-}

agent/cvms/api/grpc/storage/storage_test.go

@@ -0,0 +1,450 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package storage
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"github.com/ultravioletrs/cocos/agent/cvms"
+)
+
+func createTempDir(t *testing.T) string {
+	tmpDir, err := os.MkdirTemp("", "storage_test_*")
+	require.NoError(t, err)
+	t.Cleanup(func() {
+		os.RemoveAll(tmpDir)
+	})
+	return tmpDir
+}
+
+func createTestMessage(content string) *cvms.ClientStreamMessage {
+	return &cvms.ClientStreamMessage{
+		Message: &cvms.ClientStreamMessage_RunRes{
+			RunRes: &cvms.RunResponse{
+				Error:         "",
+				ComputationId: content,
+			},
+		},
+	}
+}
+
+func TestNewFileStorage(t *testing.T) {
+	tests := []struct {
+		name        string
+		storageDir  string
+		expectError bool
+	}{
+		{
+			name:        "valid directory",
+			storageDir:  createTempDir(t),
+			expectError: false,
+		},
+		{
+			name:        "non-existent directory gets created",
+			storageDir:  filepath.Join(createTempDir(t), "subdir"),
+			expectError: false,
+		},
+		{
+			name:        "invalid directory path",
+			storageDir:  "/invalid/path/that/cannot/be/created",
+			expectError: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			storage, err := NewFileStorage(tt.storageDir)
+
+			if tt.expectError {
+				assert.Error(t, err)
+				assert.Nil(t, storage)
+			} else {
+				assert.NoError(t, err)
+				assert.NotNil(t, storage)
+				assert.Equal(t, filepath.Join(tt.storageDir, "pending_messages.json"), storage.path)
+				assert.Empty(t, storage.msgs)
+			}
+		})
+	}
+}
+
+func TestFileStorage_Load(t *testing.T) {
+	tests := []struct {
+		name         string
+		setupFile    func(string) error
+		expectedMsgs int
+		expectError  bool
+	}{
+		{
+			name: "load from non-existent file",
+			setupFile: func(path string) error {
+				// Don't create file
+				return nil
+			},
+			expectedMsgs: 0,
+			expectError:  false,
+		},
+		{
+			name: "load from empty file",
+			setupFile: func(path string) error {
+				return os.WriteFile(path, []byte("[]"), 0o644)
+			},
+			expectedMsgs: 0,
+			expectError:  false,
+		},
+		{
+			name: "load from corrupted file",
+			setupFile: func(path string) error {
+				return os.WriteFile(path, []byte("invalid json"), 0o644)
+			},
+			expectedMsgs: 0,
+			expectError:  true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tmpDir := createTempDir(t)
+			storage, err := NewFileStorage(tmpDir)
+			require.NoError(t, err)
+
+			err = tt.setupFile(storage.path)
+			require.NoError(t, err)
+
+			msgs, err := storage.Load()
+
+			if tt.expectError {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.Len(t, msgs, tt.expectedMsgs)
+			}
+		})
+	}
+}
+
+func TestFileStorage_Save(t *testing.T) {
+	tests := []struct {
+		name        string
+		messages    []Message
+		expectError bool
+	}{
+		{
+			name:        "save empty messages",
+			messages:    []Message{},
+			expectError: false,
+		},
+		{
+			name: "save single message",
+			messages: []Message{
+				{
+					Message: createTestMessage("test"),
+					Time:    time.Now(),
+				},
+			},
+			expectError: false,
+		},
+		{
+			name: "save multiple messages",
+			messages: []Message{
+				{
+					Message: createTestMessage("test1"),
+					Time:    time.Now(),
+				},
+				{
+					Message: createTestMessage("test2"),
+					Time:    time.Now().Add(time.Second),
+				},
+			},
+			expectError: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tmpDir := createTempDir(t)
+			storage, err := NewFileStorage(tmpDir)
+			require.NoError(t, err)
+
+			err = storage.Save(tt.messages)
+
+			if tt.expectError {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+
+				// Verify file was written correctly
+				_, err := os.ReadFile(storage.path)
+				assert.NoError(t, err)
+
+				// Verify internal state was updated
+				assert.Equal(t, tt.messages, storage.msgs)
+			}
+		})
+	}
+}
+
+func TestFileStorage_Add(t *testing.T) {
+	tests := []struct {
+		name          string
+		initialMsgs   []Message
+		newMessage    *cvms.ClientStreamMessage
+		expectError   bool
+		expectedCount int
+	}{
+		{
+			name:          "add to empty storage",
+			initialMsgs:   []Message{},
+			newMessage:    createTestMessage("new"),
+			expectError:   false,
+			expectedCount: 1,
+		},
+		{
+			name: "add to existing messages",
+			initialMsgs: []Message{
+				{
+					Message: createTestMessage("existing"),
+					Time:    time.Now(),
+				},
+			},
+			newMessage:    createTestMessage("new"),
+			expectError:   false,
+			expectedCount: 2,
+		},
+		{
+			name:          "add nil message",
+			initialMsgs:   []Message{},
+			newMessage:    nil,
+			expectError:   false,
+			expectedCount: 1,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tmpDir := createTempDir(t)
+			storage, err := NewFileStorage(tmpDir)
+			require.NoError(t, err)
+
+			// Setup initial messages
+			if len(tt.initialMsgs) > 0 {
+				err = storage.Save(tt.initialMsgs)
+				require.NoError(t, err)
+			}
+
+			beforeTime := time.Now()
+			err = storage.Add(tt.newMessage)
+			afterTime := time.Now()
+
+			if tt.expectError {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+
+				// Verify message was added to internal state
+				assert.Len(t, storage.msgs, tt.expectedCount)
+
+				// Verify timestamp is reasonable
+				if tt.expectedCount > 0 {
+					lastMsg := storage.msgs[len(storage.msgs)-1]
+					assert.True(t, lastMsg.Time.After(beforeTime) || lastMsg.Time.Equal(beforeTime))
+					assert.True(t, lastMsg.Time.Before(afterTime) || lastMsg.Time.Equal(afterTime))
+					assert.Equal(t, tt.newMessage, lastMsg.Message)
+				}
+
+				_, err := os.ReadFile(storage.path)
+				assert.NoError(t, err)
+			}
+		})
+	}
+}
+
+func TestFileStorage_Clear(t *testing.T) {
+	tests := []struct {
+		name        string
+		initialMsgs []Message
+		expectError bool
+	}{
+		{
+			name:        "clear empty storage",
+			initialMsgs: []Message{},
+			expectError: false,
+		},
+		{
+			name: "clear storage with messages",
+			initialMsgs: []Message{
+				{
+					Message: createTestMessage("test1"),
+					Time:    time.Now(),
+				},
+				{
+					Message: createTestMessage("test2"),
+					Time:    time.Now(),
+				},
+			},
+			expectError: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tmpDir := createTempDir(t)
+			storage, err := NewFileStorage(tmpDir)
+			require.NoError(t, err)
+
+			// Setup initial messages
+			if len(tt.initialMsgs) > 0 {
+				err = storage.Save(tt.initialMsgs)
+				require.NoError(t, err)
+			}
+
+			err = storage.Clear()
+
+			if tt.expectError {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+
+				// Verify internal state is cleared
+				assert.Empty(t, storage.msgs)
+
+				// Verify file contains empty array
+				data, err := os.ReadFile(storage.path)
+				assert.NoError(t, err)
+				assert.Equal(t, "[]", string(data))
+			}
+		})
+	}
+}
+
+func TestFileStorage_ConcurrentAccess(t *testing.T) {
+	tmpDir := createTempDir(t)
+	storage, err := NewFileStorage(tmpDir)
+	require.NoError(t, err)
+
+	// Test concurrent Add operations
+	numGoroutines := 10
+	done := make(chan bool, numGoroutines)
+
+	for i := 0; i < numGoroutines; i++ {
+		go func(id int) {
+			defer func() { done <- true }()
+
+			msg := createTestMessage(string(rune('A' + id)))
+			err := storage.Add(msg)
+			assert.NoError(t, err)
+		}(i)
+	}
+
+	// Wait for all goroutines to complete
+	for i := 0; i < numGoroutines; i++ {
+		<-done
+	}
+
+	// Verify all messages were added
+	msgs, err := storage.Load()
+	assert.NoError(t, err)
+	assert.Len(t, msgs, numGoroutines)
+}
+
+func TestFileStorage_IntegrationFlow(t *testing.T) {
+	tmpDir := createTempDir(t)
+	storage, err := NewFileStorage(tmpDir)
+	require.NoError(t, err)
+
+	// Test full workflow
+
+	// 1. Load from empty storage
+	msgs, err := storage.Load()
+	assert.NoError(t, err)
+	assert.Empty(t, msgs)
+
+	// 2. Add some messages
+	msg1 := createTestMessage("message1")
+	err = storage.Add(msg1)
+	assert.NoError(t, err)
+
+	msg2 := createTestMessage("message2")
+	err = storage.Add(msg2)
+	assert.NoError(t, err)
+
+	// 3. Load and verify
+	msgs, err = storage.Load()
+	assert.NoError(t, err)
+	assert.Len(t, msgs, 2)
+
+	// 4. Save new set of messages
+	newMsgs := []Message{
+		{
+			Message: createTestMessage("new1"),
+			Time:    time.Now(),
+		},
+	}
+	err = storage.Save(newMsgs)
+	assert.NoError(t, err)
+
+	// 5. Load and verify replacement
+	msgs, err = storage.Load()
+	assert.NoError(t, err)
+	assert.Len(t, msgs, 1)
+
+	// 6. Clear storage
+	err = storage.Clear()
+	assert.NoError(t, err)
+
+	// 7. Verify empty
+	msgs, err = storage.Load()
+	assert.NoError(t, err)
+	assert.Empty(t, msgs)
+}
+
+func TestFileStorage_FilePermissions(t *testing.T) {
+	tmpDir := createTempDir(t)
+	storage, err := NewFileStorage(tmpDir)
+	require.NoError(t, err)
+
+	// Add a message to create the file
+	msg := createTestMessage("test")
+	err = storage.Add(msg)
+	assert.NoError(t, err)
+
+	// Check file permissions
+	info, err := os.Stat(storage.path)
+	assert.NoError(t, err)
+	assert.Equal(t, os.FileMode(0o644), info.Mode().Perm())
+}
+
+func TestFileStorage_ErrorHandling(t *testing.T) {
+	tmpDir := createTempDir(t)
+	storage, err := NewFileStorage(tmpDir)
+	require.NoError(t, err)
+
+	// Make directory read-only to trigger write errors
+	err = os.Chmod(tmpDir, 0o555)
+	require.NoError(t, err)
+
+	// Restore permissions for cleanup
+	t.Cleanup(func() {
+		if err := os.Chmod(tmpDir, 0o755); err != nil {
+			t.Errorf("Failed to restore permissions: %v", err)
+		}
+	})
+
+	// Try to add a message - should fail due to write permissions
+	msg := createTestMessage("test")
+	err = storage.Add(msg)
+	assert.Error(t, err)
+
+	// Try to save - should fail due to write permissions
+	err = storage.Save([]Message{})
+	assert.Error(t, err)
+
+	// Try to clear - should fail due to write permissions
+	err = storage.Clear()
+	assert.Error(t, err)
+}

agent/cvms/cvms.pb.go

@@ -3,7 +3,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.5
+// 	protoc-gen-go v1.36.8
 // 	protoc        v5.29.0
 // source: agent/cvms/cvms.proto
 
@@ -431,6 +431,7 @@ type ClientStreamMessage struct {
 	//	*ClientStreamMessage_StopComputationRes
 	//	*ClientStreamMessage_AgentStateRes
 	//	*ClientStreamMessage_VTPMattestationReport
+	//	*ClientStreamMessage_AzureAttestationToken
 	Message       isClientStreamMessage_Message `protobuf_oneof:"message"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
@@ -527,6 +528,15 @@ func (x *ClientStreamMessage) GetVTPMattestationReport() *AttestationResponse {
 	return nil
 }
 
+func (x *ClientStreamMessage) GetAzureAttestationToken() *AzureAttestationToken {
+	if x != nil {
+		if x, ok := x.Message.(*ClientStreamMessage_AzureAttestationToken); ok {
+			return x.AzureAttestationToken
+		}
+	}
+	return nil
+}
+
 type isClientStreamMessage_Message interface {
 	isClientStreamMessage_Message()
 }
@@ -555,6 +565,10 @@ type ClientStreamMessage_VTPMattestationReport struct {
 	VTPMattestationReport *AttestationResponse `protobuf:"bytes,6,opt,name=vTPMattestationReport,proto3,oneof"`
 }
 
+type ClientStreamMessage_AzureAttestationToken struct {
+	AzureAttestationToken *AzureAttestationToken `protobuf:"bytes,7,opt,name=azureAttestationToken,proto3,oneof"`
+}
+
 func (*ClientStreamMessage_AgentLog) isClientStreamMessage_Message() {}
 
 func (*ClientStreamMessage_AgentEvent) isClientStreamMessage_Message() {}
@@ -567,6 +581,8 @@ func (*ClientStreamMessage_AgentStateRes) isClientStreamMessage_Message() {}
 
 func (*ClientStreamMessage_VTPMattestationReport) isClientStreamMessage_Message() {}
 
+func (*ClientStreamMessage_AzureAttestationToken) isClientStreamMessage_Message() {}
+
 type ServerStreamMessage struct {
 	state protoimpl.MessageState `protogen:"open.v1"`
 	// Types that are valid to be assigned to Message:
@@ -1193,168 +1209,148 @@ func (x *AttestationResponse) GetCertSerialNumber() string {
 	return ""
 }
 
+type AzureAttestationToken struct {
+	state            protoimpl.MessageState `protogen:"open.v1"`
+	File             []byte                 `protobuf:"bytes,1,opt,name=file,proto3" json:"file,omitempty"`
+	CertSerialNumber string                 `protobuf:"bytes,2,opt,name=certSerialNumber,proto3" json:"certSerialNumber,omitempty"`
+	unknownFields    protoimpl.UnknownFields
+	sizeCache        protoimpl.SizeCache
+}
+
+func (x *AzureAttestationToken) Reset() {
+	*x = AzureAttestationToken{}
+	mi := &file_agent_cvms_cvms_proto_msgTypes[17]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AzureAttestationToken) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AzureAttestationToken) ProtoMessage() {}
+
+func (x *AzureAttestationToken) ProtoReflect() protoreflect.Message {
+	mi := &file_agent_cvms_cvms_proto_msgTypes[17]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AzureAttestationToken.ProtoReflect.Descriptor instead.
+func (*AzureAttestationToken) Descriptor() ([]byte, []int) {
+	return file_agent_cvms_cvms_proto_rawDescGZIP(), []int{17}
+}
+
+func (x *AzureAttestationToken) GetFile() []byte {
+	if x != nil {
+		return x.File
+	}
+	return nil
+}
+
+func (x *AzureAttestationToken) GetCertSerialNumber() string {
+	if x != nil {
+		return x.CertSerialNumber
+	}
+	return ""
+}
+
 var File_agent_cvms_cvms_proto protoreflect.FileDescriptor
 
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-})
+const file_agent_cvms_cvms_proto_rawDesc = "" +
+	"\n" +
+	"\x15agent/cvms/cvms.proto\x12\x04cvms\x1a\x1fgoogle/protobuf/timestamp.proto\"\x1f\n" +
+	"\rAgentStateReq\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\tR\x02id\"5\n" +
+	"\rAgentStateRes\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\tR\x02id\x12\x14\n" +
+	"\x05state\x18\x02 \x01(\tR\x05state\"8\n" +
+	"\x0fStopComputation\x12%\n" +
+	"\x0ecomputation_id\x18\x01 \x01(\tR\rcomputationId\"Z\n" +
+	"\x17StopComputationResponse\x12%\n" +
+	"\x0ecomputation_id\x18\x01 \x01(\tR\rcomputationId\x12\x18\n" +
+	"\amessage\x18\x02 \x01(\tR\amessage\"J\n" +
+	"\vRunResponse\x12%\n" +
+	"\x0ecomputation_id\x18\x01 \x01(\tR\rcomputationId\x12\x14\n" +
+	"\x05error\x18\x02 \x01(\tR\x05error\"\xde\x01\n" +
+	"\n" +
+	"AgentEvent\x12\x1d\n" +
+	"\n" +
+	"event_type\x18\x01 \x01(\tR\teventType\x128\n" +
+	"\ttimestamp\x18\x02 \x01(\v2\x1a.google.protobuf.TimestampR\ttimestamp\x12%\n" +
+	"\x0ecomputation_id\x18\x03 \x01(\tR\rcomputationId\x12\x18\n" +
+	"\adetails\x18\x04 \x01(\fR\adetails\x12\x1e\n" +
+	"\n" +
+	"originator\x18\x05 \x01(\tR\n" +
+	"originator\x12\x16\n" +
+	"\x06status\x18\x06 \x01(\tR\x06status\"\x9b\x01\n" +
+	"\bAgentLog\x12\x18\n" +
+	"\amessage\x18\x01 \x01(\tR\amessage\x12%\n" +
+	"\x0ecomputation_id\x18\x02 \x01(\tR\rcomputationId\x12\x14\n" +
+	"\x05level\x18\x03 \x01(\tR\x05level\x128\n" +
+	"\ttimestamp\x18\x04 \x01(\v2\x1a.google.protobuf.TimestampR\ttimestamp\"\xe8\x03\n" +
+	"\x13ClientStreamMessage\x12-\n" +
+	"\tagent_log\x18\x01 \x01(\v2\x0e.cvms.AgentLogH\x00R\bagentLog\x123\n" +
+	"\vagent_event\x18\x02 \x01(\v2\x10.cvms.AgentEventH\x00R\n" +
+	"agentEvent\x12,\n" +
+	"\arun_res\x18\x03 \x01(\v2\x11.cvms.RunResponseH\x00R\x06runRes\x12O\n" +
+	"\x12stopComputationRes\x18\x04 \x01(\v2\x1d.cvms.StopComputationResponseH\x00R\x12stopComputationRes\x12;\n" +
+	"\ragentStateRes\x18\x05 \x01(\v2\x13.cvms.AgentStateResH\x00R\ragentStateRes\x12Q\n" +
+	"\x15vTPMattestationReport\x18\x06 \x01(\v2\x19.cvms.AttestationResponseH\x00R\x15vTPMattestationReport\x12S\n" +
+	"\x15azureAttestationToken\x18\a \x01(\v2\x1b.cvms.azureAttestationTokenH\x00R\x15azureAttestationTokenB\t\n" +
+	"\amessage\"\xca\x02\n" +
+	"\x13ServerStreamMessage\x128\n" +
+	"\frunReqChunks\x18\x01 \x01(\v2\x12.cvms.RunReqChunksH\x00R\frunReqChunks\x121\n" +
+	"\x06runReq\x18\x02 \x01(\v2\x17.cvms.ComputationRunReqH\x00R\x06runReq\x12A\n" +
+	"\x0fstopComputation\x18\x03 \x01(\v2\x15.cvms.StopComputationH\x00R\x0fstopComputation\x12;\n" +
+	"\ragentStateReq\x18\x04 \x01(\v2\x13.cvms.AgentStateReqH\x00R\ragentStateReq\x12;\n" +
+	"\rdisconnectReq\x18\x05 \x01(\v2\x13.cvms.DisconnectReqH\x00R\rdisconnectReqB\t\n" +
+	"\amessage\"\x1f\n" +
+	"\rDisconnectReq\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\tR\x02id\"K\n" +
+	"\fRunReqChunks\x12\x12\n" +
+	"\x04data\x18\x01 \x01(\fR\x04data\x12\x0e\n" +
+	"\x02id\x18\x02 \x01(\tR\x02id\x12\x17\n" +
+	"\ais_last\x18\x03 \x01(\bR\x06isLast\"\xaa\x02\n" +
+	"\x11ComputationRunReq\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\tR\x02id\x12\x12\n" +
+	"\x04name\x18\x02 \x01(\tR\x04name\x12 \n" +
+	"\vdescription\x18\x03 \x01(\tR\vdescription\x12)\n" +
+	"\bdatasets\x18\x04 \x03(\v2\r.cvms.DatasetR\bdatasets\x12-\n" +
+	"\talgorithm\x18\x05 \x01(\v2\x0f.cvms.AlgorithmR\talgorithm\x12?\n" +
+	"\x10result_consumers\x18\x06 \x03(\v2\x14.cvms.ResultConsumerR\x0fresultConsumers\x124\n" +
+	"\fagent_config\x18\a \x01(\v2\x11.cvms.AgentConfigR\vagentConfig\"*\n" +
+	"\x0eResultConsumer\x12\x18\n" +
+	"\auserKey\x18\x01 \x01(\fR\auserKey\"S\n" +
+	"\aDataset\x12\x12\n" +
+	"\x04hash\x18\x01 \x01(\fR\x04hash\x12\x18\n" +
+	"\auserKey\x18\x02 \x01(\fR\auserKey\x12\x1a\n" +
+	"\bfilename\x18\x03 \x01(\tR\bfilename\"9\n" +
+	"\tAlgorithm\x12\x12\n" +
+	"\x04hash\x18\x01 \x01(\fR\x04hash\x12\x18\n" +
+	"\auserKey\x18\x02 \x01(\fR\auserKey\"\xe5\x01\n" +
+	"\vAgentConfig\x12\x12\n" +
+	"\x04port\x18\x01 \x01(\tR\x04port\x12\x1b\n" +
+	"\tcert_file\x18\x02 \x01(\tR\bcertFile\x12\x19\n" +
+	"\bkey_file\x18\x03 \x01(\tR\akeyFile\x12$\n" +
+	"\x0eclient_ca_file\x18\x04 \x01(\tR\fclientCaFile\x12$\n" +
+	"\x0eserver_ca_file\x18\x05 \x01(\tR\fserverCaFile\x12\x1b\n" +
+	"\tlog_level\x18\x06 \x01(\tR\blogLevel\x12!\n" +
+	"\fattested_tls\x18\a \x01(\bR\vattestedTls\"U\n" +
+	"\x13AttestationResponse\x12\x12\n" +
+	"\x04file\x18\x01 \x01(\fR\x04file\x12*\n" +
+	"\x10certSerialNumber\x18\x02 \x01(\tR\x10certSerialNumber\"W\n" +
+	"\x15azureAttestationToken\x12\x12\n" +
+	"\x04file\x18\x01 \x01(\fR\x04file\x12*\n" +
+	"\x10certSerialNumber\x18\x02 \x01(\tR\x10certSerialNumber2P\n" +
+	"\aService\x12E\n" +
+	"\aProcess\x12\x19.cvms.ClientStreamMessage\x1a\x19.cvms.ServerStreamMessage\"\x00(\x010\x01B\bZ\x06./cvmsb\x06proto3"
 
 var (
 	file_agent_cvms_cvms_proto_rawDescOnce sync.Once
@@ -1368,7 +1364,7 @@ func file_agent_cvms_cvms_proto_rawDescGZIP() []byte {
 	return file_agent_cvms_cvms_proto_rawDescData
 }
 
-var file_agent_cvms_cvms_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
+var file_agent_cvms_cvms_proto_msgTypes = make([]protoimpl.MessageInfo, 18)
 var file_agent_cvms_cvms_proto_goTypes = []any{
 	(*AgentStateReq)(nil),           // 0: cvms.AgentStateReq
 	(*AgentStateRes)(nil),           // 1: cvms.AgentStateRes
@@ -1387,33 +1383,35 @@ var file_agent_cvms_cvms_proto_goTypes = []any{
 	(*Algorithm)(nil),               // 14: cvms.Algorithm
 	(*AgentConfig)(nil),             // 15: cvms.AgentConfig
 	(*AttestationResponse)(nil),     // 16: cvms.AttestationResponse
-	(*timestamppb.Timestamp)(nil),   // 17: google.protobuf.Timestamp
+	(*AzureAttestationToken)(nil),   // 17: cvms.azureAttestationToken
+	(*timestamppb.Timestamp)(nil),   // 18: google.protobuf.Timestamp
 }
 var file_agent_cvms_cvms_proto_depIdxs = []int32{
-	17, // 0: cvms.AgentEvent.timestamp:type_name -> google.protobuf.Timestamp
-	17, // 1: cvms.AgentLog.timestamp:type_name -> google.protobuf.Timestamp
+	18, // 0: cvms.AgentEvent.timestamp:type_name -> google.protobuf.Timestamp
+	18, // 1: cvms.AgentLog.timestamp:type_name -> google.protobuf.Timestamp
 	6,  // 2: cvms.ClientStreamMessage.agent_log:type_name -> cvms.AgentLog
 	5,  // 3: cvms.ClientStreamMessage.agent_event:type_name -> cvms.AgentEvent
 	4,  // 4: cvms.ClientStreamMessage.run_res:type_name -> cvms.RunResponse
 	3,  // 5: cvms.ClientStreamMessage.stopComputationRes:type_name -> cvms.StopComputationResponse
 	1,  // 6: cvms.ClientStreamMessage.agentStateRes:type_name -> cvms.AgentStateRes
 	16, // 7: cvms.ClientStreamMessage.vTPMattestationReport:type_name -> cvms.AttestationResponse
-	10, // 8: cvms.ServerStreamMessage.runReqChunks:type_name -> cvms.RunReqChunks
-	11, // 9: cvms.ServerStreamMessage.runReq:type_name -> cvms.ComputationRunReq
-	2,  // 10: cvms.ServerStreamMessage.stopComputation:type_name -> cvms.StopComputation
-	0,  // 11: cvms.ServerStreamMessage.agentStateReq:type_name -> cvms.AgentStateReq
-	9,  // 12: cvms.ServerStreamMessage.disconnectReq:type_name -> cvms.DisconnectReq
-	13, // 13: cvms.ComputationRunReq.datasets:type_name -> cvms.Dataset
-	14, // 14: cvms.ComputationRunReq.algorithm:type_name -> cvms.Algorithm
-	12, // 15: cvms.ComputationRunReq.result_consumers:type_name -> cvms.ResultConsumer
-	15, // 16: cvms.ComputationRunReq.agent_config:type_name -> cvms.AgentConfig
-	7,  // 17: cvms.Service.Process:input_type -> cvms.ClientStreamMessage
-	8,  // 18: cvms.Service.Process:output_type -> cvms.ServerStreamMessage
-	18, // [18:19] is the sub-list for method output_type
-	17, // [17:18] is the sub-list for method input_type
-	17, // [17:17] is the sub-list for extension type_name
-	17, // [17:17] is the sub-list for extension extendee
-	0,  // [0:17] is the sub-list for field type_name
+	17, // 8: cvms.ClientStreamMessage.azureAttestationToken:type_name -> cvms.azureAttestationToken
+	10, // 9: cvms.ServerStreamMessage.runReqChunks:type_name -> cvms.RunReqChunks
+	11, // 10: cvms.ServerStreamMessage.runReq:type_name -> cvms.ComputationRunReq
+	2,  // 11: cvms.ServerStreamMessage.stopComputation:type_name -> cvms.StopComputation
+	0,  // 12: cvms.ServerStreamMessage.agentStateReq:type_name -> cvms.AgentStateReq
+	9,  // 13: cvms.ServerStreamMessage.disconnectReq:type_name -> cvms.DisconnectReq
+	13, // 14: cvms.ComputationRunReq.datasets:type_name -> cvms.Dataset
+	14, // 15: cvms.ComputationRunReq.algorithm:type_name -> cvms.Algorithm
+	12, // 16: cvms.ComputationRunReq.result_consumers:type_name -> cvms.ResultConsumer
+	15, // 17: cvms.ComputationRunReq.agent_config:type_name -> cvms.AgentConfig
+	7,  // 18: cvms.Service.Process:input_type -> cvms.ClientStreamMessage
+	8,  // 19: cvms.Service.Process:output_type -> cvms.ServerStreamMessage
+	19, // [19:20] is the sub-list for method output_type
+	18, // [18:19] is the sub-list for method input_type
+	18, // [18:18] is the sub-list for extension type_name
+	18, // [18:18] is the sub-list for extension extendee
+	0,  // [0:18] is the sub-list for field type_name
 }
 
 func init() { file_agent_cvms_cvms_proto_init() }
@@ -1428,6 +1426,7 @@ func file_agent_cvms_cvms_proto_init() {
 		(*ClientStreamMessage_StopComputationRes)(nil),
 		(*ClientStreamMessage_AgentStateRes)(nil),
 		(*ClientStreamMessage_VTPMattestationReport)(nil),
+		(*ClientStreamMessage_AzureAttestationToken)(nil),
 	}
 	file_agent_cvms_cvms_proto_msgTypes[8].OneofWrappers = []any{
 		(*ServerStreamMessage_RunReqChunks)(nil),
@@ -1442,7 +1441,7 @@ func file_agent_cvms_cvms_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_agent_cvms_cvms_proto_rawDesc), len(file_agent_cvms_cvms_proto_rawDesc)),
 			NumEnums:      0,
-			NumMessages:   17,
+			NumMessages:   18,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

agent/cvms/cvms.proto

@@ -60,6 +60,7 @@ message ClientStreamMessage {
     StopComputationResponse stopComputationRes = 4;
     AgentStateRes agentStateRes = 5;
     AttestationResponse vTPMattestationReport = 6;
+    azureAttestationToken azureAttestationToken = 7;
   }
 }
 
@@ -122,3 +123,8 @@ message AttestationResponse {
   bytes file = 1;
   string certSerialNumber = 2;
 }
+
+message azureAttestationToken {
+  bytes file = 1;
+  string certSerialNumber = 2;
+}

agent/cvms/server/cvm.go

@@ -8,12 +8,12 @@ import (
 	"fmt"
 	"log/slog"
 
-	"github.com/google/go-sev-guest/client"
 	"github.com/ultravioletrs/cocos/agent"
 	agentgrpc "github.com/ultravioletrs/cocos/agent/api/grpc"
 	"github.com/ultravioletrs/cocos/agent/auth"
-	"github.com/ultravioletrs/cocos/internal/server"
-	grpcserver "github.com/ultravioletrs/cocos/internal/server/grpc"
+	"github.com/ultravioletrs/cocos/pkg/atls"
+	"github.com/ultravioletrs/cocos/pkg/server"
+	grpcserver "github.com/ultravioletrs/cocos/pkg/server/grpc"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/reflection"
 )
@@ -29,23 +29,19 @@ type AgentServer interface {
 }
 
 type agentServer struct {
-	gs     server.Server
-	logger *slog.Logger
-	svc    agent.Service
-	host   string
-	qp     client.LeveledQuoteProvider
-	caUrl  string
-	cvmId  string
+	gs           server.Server
+	logger       *slog.Logger
+	svc          agent.Service
+	host         string
+	certProvider atls.CertificateProvider
 }
 
-func NewServer(logger *slog.Logger, svc agent.Service, host string, qp client.LeveledQuoteProvider, caUrl string, cvmId string) AgentServer {
+func NewServer(logger *slog.Logger, svc agent.Service, host string, certProvider atls.CertificateProvider) AgentServer {
 	return &agentServer{
-		logger: logger,
-		svc:    svc,
-		host:   host,
-		qp:     qp,
-		caUrl:  caUrl,
-		cvmId:  cvmId,
+		logger:       logger,
+		svc:          svc,
+		host:         host,
+		certProvider: certProvider,
 	}
 }
 
@@ -56,7 +52,7 @@ func (as *agentServer) Start(cfg agent.AgentConfig, cmp agent.Computation) error
 
 	agentGrpcServerConfig := server.AgentConfig{
 		ServerConfig: server.ServerConfig{
-			BaseConfig: server.BaseConfig{
+			Config: server.Config{
 				Host:         as.host,
 				Port:         cfg.Port,
 				CertFile:     cfg.CertFile,
@@ -81,7 +77,7 @@ func (as *agentServer) Start(cfg agent.AgentConfig, cmp agent.Computation) error
 
 	ctx, cancel := context.WithCancel(context.Background())
 
-	as.gs = grpcserver.New(ctx, cancel, svcName, agentGrpcServerConfig, registerAgentServiceServer, as.logger, as.qp, authSvc, as.caUrl, as.cvmId)
+	as.gs = grpcserver.New(ctx, cancel, svcName, agentGrpcServerConfig, registerAgentServiceServer, as.logger, authSvc, as.certProvider)
 
 	go func() {
 		err := as.gs.Start()

agent/cvms/server/cvm_test.go

@@ -0,0 +1,530 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+
+package server
+
+import (
+	"crypto/ecdsa"
+	"crypto/elliptic"
+	"crypto/rand"
+	"crypto/x509"
+	"log/slog"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/ultravioletrs/cocos/agent"
+	"github.com/ultravioletrs/cocos/agent/mocks"
+)
+
+func setupTest(t *testing.T) (*slog.Logger, *mocks.Service, string, []byte) {
+	logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelError}))
+	mockSvc := new(mocks.Service)
+	host := "localhost"
+
+	privateKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	assert.NoError(t, err, "Failed to generate ECDSA key")
+
+	pubkey, err := x509.MarshalPKIXPublicKey(privateKey.Public())
+	assert.NoError(t, err, "Failed to marshal public key")
+
+	return logger, mockSvc, host, pubkey
+}
+
+func TestNewServer(t *testing.T) {
+	logger, svc, host, _ := setupTest(t)
+
+	tests := []struct {
+		name     string
+		logger   *slog.Logger
+		svc      agent.Service
+		host     string
+		expected AgentServer
+	}{
+		{
+			name:   "valid server creation",
+			logger: logger,
+			svc:    svc,
+			host:   host,
+		},
+		{
+			name:   "server with empty host",
+			logger: logger,
+			svc:    svc,
+			host:   "",
+		},
+		{
+			name:   "server with empty caUrl",
+			logger: logger,
+			svc:    svc,
+			host:   host,
+		},
+		{
+			name:   "server with empty cvmId",
+			logger: logger,
+			svc:    svc,
+			host:   host,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			server := NewServer(tt.logger, tt.svc, tt.host, nil)
+
+			assert.NotNil(t, server)
+
+			agentSrv, ok := server.(*agentServer)
+			assert.True(t, ok)
+			assert.Equal(t, tt.logger, agentSrv.logger)
+			assert.Equal(t, tt.svc, agentSrv.svc)
+			assert.Equal(t, tt.host, agentSrv.host)
+		})
+	}
+}
+
+func TestAgentServer_Start(t *testing.T) {
+	logger, svc, host, pubKey := setupTest(t)
+
+	tests := []struct {
+		name          string
+		cfg           agent.AgentConfig
+		cmp           agent.Computation
+		setupMocks    func(*mocks.Service)
+		expectedError bool
+		errorContains string
+	}{
+		{
+			name: "successful start with default port",
+			cfg: agent.AgentConfig{
+				Port:         "",
+				CertFile:     "cert.pem",
+				KeyFile:      "key.pem",
+				ServerCAFile: "server-ca.pem",
+				ClientCAFile: "client-ca.pem",
+				AttestedTls:  true,
+			},
+			cmp: agent.Computation{
+				ID:          "test-computation-1",
+				Name:        "Test Computation",
+				Description: "A test computation",
+				Algorithm: agent.Algorithm{
+					Hash:    [32]byte{0x01, 0x02, 0x03},
+					UserKey: pubKey,
+				},
+				Datasets: []agent.Dataset{
+					{
+						Hash:    [32]byte{0x04, 0x05, 0x06},
+						UserKey: pubKey,
+					},
+				},
+				ResultConsumers: []agent.ResultConsumer{
+					{
+						UserKey: pubKey,
+					},
+				},
+			},
+			setupMocks: func(m *mocks.Service) {
+			},
+			expectedError: false,
+		},
+		{
+			name: "successful start with custom port",
+			cfg: agent.AgentConfig{
+				Port:         "8080",
+				CertFile:     "cert.pem",
+				KeyFile:      "key.pem",
+				ServerCAFile: "server-ca.pem",
+				ClientCAFile: "client-ca.pem",
+				AttestedTls:  false,
+			},
+			cmp: agent.Computation{
+				ID:          "test-computation-2",
+				Name:        "Test Computation 2",
+				Description: "Another test computation",
+				Algorithm: agent.Algorithm{
+					Hash:    [32]byte{0x07, 0x08, 0x09},
+					UserKey: pubKey,
+				},
+				Datasets: []agent.Dataset{
+					{
+						Hash:    [32]byte{0x0a, 0x0b, 0x0c},
+						UserKey: pubKey,
+					},
+				},
+				ResultConsumers: []agent.ResultConsumer{
+					{
+						UserKey: pubKey,
+					},
+				},
+			},
+			setupMocks: func(m *mocks.Service) {
+			},
+			expectedError: false,
+		},
+		{
+			name: "start with minimal config",
+			cfg: agent.AgentConfig{
+				Port:        "9090",
+				AttestedTls: false,
+			},
+			cmp: agent.Computation{
+				ID:   "test-computation-3",
+				Name: "Minimal Test",
+				Algorithm: agent.Algorithm{
+					Hash:    [32]byte{0x0d, 0x0e, 0x0f},
+					UserKey: pubKey,
+				},
+				Datasets: []agent.Dataset{
+					{
+						Hash:    [32]byte{0x10, 0x11, 0x12},
+						UserKey: pubKey,
+					},
+				},
+				ResultConsumers: []agent.ResultConsumer{
+					{
+						UserKey: pubKey,
+					},
+				},
+			},
+			setupMocks: func(m *mocks.Service) {
+			},
+			expectedError: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tt.setupMocks(svc)
+
+			server := NewServer(logger, svc, host, nil)
+
+			err := server.Start(tt.cfg, tt.cmp)
+
+			if tt.expectedError {
+				assert.Error(t, err)
+				if tt.errorContains != "" {
+					assert.Contains(t, err.Error(), tt.errorContains)
+				}
+			} else {
+				assert.NoError(t, err)
+
+				// Verify the port was set correctly
+				agentSrv := server.(*agentServer)
+				assert.NotNil(t, agentSrv.gs)
+
+				if err := server.Stop(); err != nil {
+					t.Fatalf("Failed to stop server after start: %v", err)
+				}
+			}
+
+			svc.AssertExpectations(t)
+		})
+	}
+}
+
+func TestAgentServer_Stop(t *testing.T) {
+	logger, svc, host, pubKey := setupTest(t)
+
+	tests := []struct {
+		name          string
+		setupServer   func(AgentServer) error
+		expectedError bool
+		errorContains string
+	}{
+		{
+			name: "stop unstarted server",
+			setupServer: func(server AgentServer) error {
+				// Don't start the server
+				return nil
+			},
+			expectedError: false,
+		},
+		{
+			name: "stop started server",
+			setupServer: func(server AgentServer) error {
+				cfg := agent.AgentConfig{
+					Port: "7004",
+				}
+				cmp := agent.Computation{
+					ID:   "test-stop-computation",
+					Name: "Stop Test",
+					Algorithm: agent.Algorithm{
+						Hash:    [32]byte{0x19, 0x1a, 0x1b},
+						UserKey: pubKey,
+					},
+					Datasets: []agent.Dataset{
+						{
+							Hash:    [32]byte{0x1c, 0x1d, 0x1e},
+							UserKey: pubKey,
+						},
+					},
+					ResultConsumers: []agent.ResultConsumer{
+						{
+							UserKey: pubKey,
+						},
+					},
+				}
+				return server.Start(cfg, cmp)
+			},
+			expectedError: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			server := NewServer(logger, svc, host, nil)
+
+			err := tt.setupServer(server)
+			if err != nil {
+				t.Fatalf("Setup failed: %v", err)
+			}
+
+			// Give the server a moment to start if it was started
+			time.Sleep(10 * time.Millisecond)
+
+			err = server.Stop()
+
+			if tt.expectedError {
+				assert.Error(t, err)
+				if tt.errorContains != "" {
+					assert.Contains(t, err.Error(), tt.errorContains)
+				}
+			} else {
+				assert.NoError(t, err)
+			}
+
+			svc.AssertExpectations(t)
+		})
+	}
+}
+
+func TestAgentServer_StopMultipleTimes(t *testing.T) {
+	logger, svc, host, pubKey := setupTest(t)
+	server := NewServer(logger, svc, host, nil)
+
+	// Start the server
+	cfg := agent.AgentConfig{Port: "7005"}
+	cmp := agent.Computation{
+		ID:   "test-multiple-stop",
+		Name: "Multiple Stop Test",
+		Algorithm: agent.Algorithm{
+			Hash:    [32]byte{0x1f, 0x20, 0x21},
+			UserKey: pubKey,
+		},
+		Datasets: []agent.Dataset{
+			{
+				Hash:    [32]byte{0x22, 0x23, 0x24},
+				UserKey: pubKey,
+			},
+		},
+		ResultConsumers: []agent.ResultConsumer{
+			{
+				UserKey: pubKey,
+			},
+		},
+	}
+
+	err := server.Start(cfg, cmp)
+	assert.NoError(t, err)
+
+	// Give the server a moment to start
+	time.Sleep(10 * time.Millisecond)
+
+	// Stop the server multiple times
+	err1 := server.Stop()
+	err2 := server.Stop()
+	err3 := server.Stop()
+
+	assert.NoError(t, err1)
+	assert.NoError(t, err2)
+	assert.NoError(t, err3)
+
+	svc.AssertExpectations(t)
+}
+
+func TestAgentServer_StartAfterStop(t *testing.T) {
+	logger, svc, host, pubKey := setupTest(t)
+	server := NewServer(logger, svc, host, nil)
+
+	cfg := agent.AgentConfig{Port: "7006"}
+	cmp := agent.Computation{
+		ID:   "test-restart",
+		Name: "Restart Test",
+		Algorithm: agent.Algorithm{
+			Hash:    [32]byte{0x25, 0x26, 0x27},
+			UserKey: pubKey,
+		},
+		Datasets: []agent.Dataset{
+			{
+				Hash:    [32]byte{0x28, 0x29, 0x2a},
+				UserKey: pubKey,
+			},
+		},
+		ResultConsumers: []agent.ResultConsumer{
+			{
+				UserKey: pubKey,
+			},
+		},
+	}
+
+	// Start, stop, then start again
+	err := server.Start(cfg, cmp)
+	assert.NoError(t, err)
+
+	time.Sleep(10 * time.Millisecond)
+
+	err = server.Stop()
+	assert.NoError(t, err)
+
+	// Start again with different config
+	cfg2 := agent.AgentConfig{Port: "7007"}
+	cmp2 := agent.Computation{
+		ID:   "test-restart-2",
+		Name: "Restart Test 2",
+		Algorithm: agent.Algorithm{
+			Hash:    [32]byte{0x2b, 0x2c, 0x2d},
+			UserKey: pubKey,
+		},
+		Datasets: []agent.Dataset{
+			{
+				Hash:    [32]byte{0x2e, 0x2f, 0x30},
+				UserKey: pubKey,
+			},
+		},
+		ResultConsumers: []agent.ResultConsumer{
+			{
+				UserKey: pubKey,
+			},
+		},
+	}
+
+	err = server.Start(cfg2, cmp2)
+	assert.NoError(t, err)
+
+	time.Sleep(10 * time.Millisecond)
+
+	err = server.Stop()
+	assert.NoError(t, err)
+
+	svc.AssertExpectations(t)
+}
+
+func TestAgentServer_ConfigValidation(t *testing.T) {
+	logger, svc, host, pubKey := setupTest(t)
+
+	tests := []struct {
+		name   string
+		config agent.AgentConfig
+		cmp    agent.Computation
+		valid  bool
+	}{
+		{
+			name: "valid config with all fields",
+			config: agent.AgentConfig{
+				Port:         "8080",
+				CertFile:     "cert.pem",
+				KeyFile:      "key.pem",
+				ServerCAFile: "server-ca.pem",
+				ClientCAFile: "client-ca.pem",
+				AttestedTls:  true,
+			},
+			cmp: agent.Computation{
+				ID:   "valid-config-test",
+				Name: "Valid Config Test",
+				Algorithm: agent.Algorithm{
+					Hash:    [32]byte{0x31, 0x32, 0x33},
+					UserKey: pubKey,
+				},
+				Datasets: []agent.Dataset{
+					{
+						Hash:    [32]byte{0x34, 0x35, 0x36},
+						UserKey: pubKey,
+					},
+				},
+				ResultConsumers: []agent.ResultConsumer{
+					{
+						UserKey: pubKey,
+					},
+				},
+			},
+			valid: true,
+		},
+		{
+			name: "valid config with minimal fields",
+			config: agent.AgentConfig{
+				Port: "9090",
+			},
+			cmp: agent.Computation{
+				ID:   "minimal-config-test",
+				Name: "Minimal Config Test",
+				Algorithm: agent.Algorithm{
+					Hash:    [32]byte{0x37, 0x38, 0x39},
+					UserKey: pubKey,
+				},
+				Datasets: []agent.Dataset{
+					{
+						Hash:    [32]byte{0x3a, 0x3b, 0x3c},
+						UserKey: pubKey,
+					},
+				},
+				ResultConsumers: []agent.ResultConsumer{
+					{
+						UserKey: pubKey,
+					},
+				},
+			},
+			valid: true,
+		},
+		{
+			name: "config with empty port uses default",
+			config: agent.AgentConfig{
+				Port: "",
+			},
+			cmp: agent.Computation{
+				ID:        "default-port-test",
+				Name:      "Default Port Test",
+				Algorithm: agent.Algorithm{Hash: [32]byte{0x3d, 0x3e, 0x3f}, UserKey: pubKey},
+				Datasets: []agent.Dataset{
+					{Hash: [32]byte{0x40, 0x41, 0x42}, UserKey: pubKey},
+				},
+				ResultConsumers: []agent.ResultConsumer{
+					{UserKey: pubKey},
+				},
+			},
+			valid: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			server := NewServer(logger, svc, host, nil)
+
+			err := server.Start(tt.config, tt.cmp)
+
+			if tt.valid {
+				assert.NoError(t, err)
+
+				// Verify default port is used when empty
+				if tt.config.Port == "" {
+					agentSrv := server.(*agentServer)
+					assert.NotNil(t, agentSrv.gs)
+				}
+
+				time.Sleep(10 * time.Millisecond)
+				if err := server.Stop(); err != nil {
+					t.Fatalf("Failed to stop server after start: %v", err)
+				}
+			} else {
+				assert.Error(t, err)
+			}
+
+			svc.AssertExpectations(t)
+		})
+	}
+}
+
+func TestConstants(t *testing.T) {
+	assert.Equal(t, "agent", svcName)
+	assert.Equal(t, "7002", defSvcGRPCPort)
+}

agent/cvms/server/mocks/agentserver.go

@@ -1,15 +1,31 @@
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
+// Code generated by mockery; DO NOT EDIT.
+// github.com/vektra/mockery
+// template: testify
 
 package mocks
 
 import (
 	mock "github.com/stretchr/testify/mock"
-	agent "github.com/ultravioletrs/cocos/agent"
+	"github.com/ultravioletrs/cocos/agent"
 )
 
+// NewAgentServer creates a new instance of AgentServer. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewAgentServer(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *AgentServer {
+	mock := &AgentServer{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
 // AgentServer is an autogenerated mock type for the AgentServer type
 type AgentServer struct {
 	mock.Mock
@@ -23,21 +39,20 @@ func (_m *AgentServer) EXPECT() *AgentServer_Expecter {
 	return &AgentServer_Expecter{mock: &_m.Mock}
 }
 
-// Start provides a mock function with given fields: cfg, cmp
-func (_m *AgentServer) Start(cfg agent.AgentConfig, cmp agent.Computation) error {
-	ret := _m.Called(cfg, cmp)
+// Start provides a mock function for the type AgentServer
+func (_mock *AgentServer) Start(cfg agent.AgentConfig, cmp agent.Computation) error {
+	ret := _mock.Called(cfg, cmp)
 
 	if len(ret) == 0 {
 		panic("no return value specified for Start")
 	}
 
 	var r0 error
-	if rf, ok := ret.Get(0).(func(agent.AgentConfig, agent.Computation) error); ok {
-		r0 = rf(cfg, cmp)
+	if returnFunc, ok := ret.Get(0).(func(agent.AgentConfig, agent.Computation) error); ok {
+		r0 = returnFunc(cfg, cmp)
 	} else {
 		r0 = ret.Error(0)
 	}
-
 	return r0
 }
 
@@ -55,36 +70,46 @@ func (_e *AgentServer_Expecter) Start(cfg interface{}, cmp interface{}) *AgentSe
 
 func (_c *AgentServer_Start_Call) Run(run func(cfg agent.AgentConfig, cmp agent.Computation)) *AgentServer_Start_Call {
 	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(agent.AgentConfig), args[1].(agent.Computation))
+		var arg0 agent.AgentConfig
+		if args[0] != nil {
+			arg0 = args[0].(agent.AgentConfig)
+		}
+		var arg1 agent.Computation
+		if args[1] != nil {
+			arg1 = args[1].(agent.Computation)
+		}
+		run(
+			arg0,
+			arg1,
+		)
 	})
 	return _c
 }
 
-func (_c *AgentServer_Start_Call) Return(_a0 error) *AgentServer_Start_Call {
-	_c.Call.Return(_a0)
+func (_c *AgentServer_Start_Call) Return(err error) *AgentServer_Start_Call {
+	_c.Call.Return(err)
 	return _c
 }
 
-func (_c *AgentServer_Start_Call) RunAndReturn(run func(agent.AgentConfig, agent.Computation) error) *AgentServer_Start_Call {
+func (_c *AgentServer_Start_Call) RunAndReturn(run func(cfg agent.AgentConfig, cmp agent.Computation) error) *AgentServer_Start_Call {
 	_c.Call.Return(run)
 	return _c
 }
 
-// Stop provides a mock function with no fields
-func (_m *AgentServer) Stop() error {
-	ret := _m.Called()
+// Stop provides a mock function for the type AgentServer
+func (_mock *AgentServer) Stop() error {
+	ret := _mock.Called()
 
 	if len(ret) == 0 {
 		panic("no return value specified for Stop")
 	}
 
 	var r0 error
-	if rf, ok := ret.Get(0).(func() error); ok {
-		r0 = rf()
+	if returnFunc, ok := ret.Get(0).(func() error); ok {
+		r0 = returnFunc()
 	} else {
 		r0 = ret.Error(0)
 	}
-
 	return r0
 }
 
@@ -105,8 +130,8 @@ func (_c *AgentServer_Stop_Call) Run(run func()) *AgentServer_Stop_Call {
 	return _c
 }
 
-func (_c *AgentServer_Stop_Call) Return(_a0 error) *AgentServer_Stop_Call {
-	_c.Call.Return(_a0)
+func (_c *AgentServer_Stop_Call) Return(err error) *AgentServer_Stop_Call {
+	_c.Call.Return(err)
 	return _c
 }
 
@@ -114,17 +139,3 @@ func (_c *AgentServer_Stop_Call) RunAndReturn(run func() error) *AgentServer_Sto
 	_c.Call.Return(run)
 	return _c
 }
-
-// NewAgentServer creates a new instance of AgentServer. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-// The first argument is typically a *testing.T value.
-func NewAgentServer(t interface {
-	mock.TestingT
-	Cleanup(func())
-}) *AgentServer {
-	mock := &AgentServer{}
-	mock.Mock.Test(t)
-
-	t.Cleanup(func() { mock.AssertExpectations(t) })
-
-	return mock
-}

agent/events/events.pb.go

@@ -3,7 +3,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.5
+// 	protoc-gen-go v1.36.8
 // 	protoc        v5.29.0
 // source: agent/events/events.proto
 
@@ -261,46 +261,32 @@ func (*EventsLogs_AgentEvent) isEventsLogs_Message() {}
 
 var File_agent_events_events_proto protoreflect.FileDescriptor
 
-var file_agent_events_events_proto_rawDesc = string([]byte{
-	0x0a, 0x19, 0x61, 0x67, 0x65, 0x6e, 0x74, 0x2f, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x73, 0x2f, 0x65,
-	0x76, 0x65, 0x6e, 0x74, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x06, 0x65, 0x76, 0x65,
-	0x6e, 0x74, 0x73, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70,
-	0x72, 0x6f, 0x74, 0x6f, 0x22, 0xde, 0x01, 0x0a, 0x0a, 0x41, 0x67, 0x65, 0x6e, 0x74, 0x45, 0x76,
-	0x65, 0x6e, 0x74, 0x12, 0x1d, 0x0a, 0x0a, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x5f, 0x74, 0x79, 0x70,
-	0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x54, 0x79,
-	0x70, 0x65, 0x12, 0x38, 0x0a, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x18,
-	0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70,
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-	0x70, 0x52, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x12, 0x25, 0x0a, 0x0e,
-	0x63, 0x6f, 0x6d, 0x70, 0x75, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x69, 0x64, 0x18, 0x03,
-	0x20, 0x01, 0x28, 0x09, 0x52, 0x0d, 0x63, 0x6f, 0x6d, 0x70, 0x75, 0x74, 0x61, 0x74, 0x69, 0x6f,
-	0x6e, 0x49, 0x64, 0x12, 0x18, 0x0a, 0x07, 0x64, 0x65, 0x74, 0x61, 0x69, 0x6c, 0x73, 0x18, 0x04,
-	0x20, 0x01, 0x28, 0x0c, 0x52, 0x07, 0x64, 0x65, 0x74, 0x61, 0x69, 0x6c, 0x73, 0x12, 0x1e, 0x0a,
-	0x0a, 0x6f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x74, 0x6f, 0x72, 0x18, 0x05, 0x20, 0x01, 0x28,
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-	0x74, 0x61, 0x74, 0x75, 0x73, 0x22, 0x9b, 0x01, 0x0a, 0x08, 0x41, 0x67, 0x65, 0x6e, 0x74, 0x4c,
-	0x6f, 0x67, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x01, 0x20,
-	0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x25, 0x0a, 0x0e,
-	0x63, 0x6f, 0x6d, 0x70, 0x75, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x69, 0x64, 0x18, 0x02,
-	0x20, 0x01, 0x28, 0x09, 0x52, 0x0d, 0x63, 0x6f, 0x6d, 0x70, 0x75, 0x74, 0x61, 0x74, 0x69, 0x6f,
-	0x6e, 0x49, 0x64, 0x12, 0x14, 0x0a, 0x05, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x18, 0x03, 0x20, 0x01,
-	0x28, 0x09, 0x52, 0x05, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x12, 0x38, 0x0a, 0x09, 0x74, 0x69, 0x6d,
-	0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67,
-	0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x54,
-	0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x52, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74,
-	0x61, 0x6d, 0x70, 0x22, 0x7f, 0x0a, 0x0a, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x73, 0x4c, 0x6f, 0x67,
-	0x73, 0x12, 0x2f, 0x0a, 0x09, 0x61, 0x67, 0x65, 0x6e, 0x74, 0x5f, 0x6c, 0x6f, 0x67, 0x18, 0x01,
-	0x20, 0x01, 0x28, 0x0b, 0x32, 0x10, 0x2e, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x73, 0x2e, 0x41, 0x67,
-	0x65, 0x6e, 0x74, 0x4c, 0x6f, 0x67, 0x48, 0x00, 0x52, 0x08, 0x61, 0x67, 0x65, 0x6e, 0x74, 0x4c,
-	0x6f, 0x67, 0x12, 0x35, 0x0a, 0x0b, 0x61, 0x67, 0x65, 0x6e, 0x74, 0x5f, 0x65, 0x76, 0x65, 0x6e,
-	0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x12, 0x2e, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x73,
-	0x2e, 0x41, 0x67, 0x65, 0x6e, 0x74, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x48, 0x00, 0x52, 0x0a, 0x61,
-	0x67, 0x65, 0x6e, 0x74, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x42, 0x09, 0x0a, 0x07, 0x6d, 0x65, 0x73,
-	0x73, 0x61, 0x67, 0x65, 0x42, 0x0a, 0x5a, 0x08, 0x2e, 0x2f, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x73,
-	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-})
+const file_agent_events_events_proto_rawDesc = "" +
+	"\n" +
+	"\x19agent/events/events.proto\x12\x06events\x1a\x1fgoogle/protobuf/timestamp.proto\"\xde\x01\n" +
+	"\n" +
+	"AgentEvent\x12\x1d\n" +
+	"\n" +
+	"event_type\x18\x01 \x01(\tR\teventType\x128\n" +
+	"\ttimestamp\x18\x02 \x01(\v2\x1a.google.protobuf.TimestampR\ttimestamp\x12%\n" +
+	"\x0ecomputation_id\x18\x03 \x01(\tR\rcomputationId\x12\x18\n" +
+	"\adetails\x18\x04 \x01(\fR\adetails\x12\x1e\n" +
+	"\n" +
+	"originator\x18\x05 \x01(\tR\n" +
+	"originator\x12\x16\n" +
+	"\x06status\x18\x06 \x01(\tR\x06status\"\x9b\x01\n" +
+	"\bAgentLog\x12\x18\n" +
+	"\amessage\x18\x01 \x01(\tR\amessage\x12%\n" +
+	"\x0ecomputation_id\x18\x02 \x01(\tR\rcomputationId\x12\x14\n" +
+	"\x05level\x18\x03 \x01(\tR\x05level\x128\n" +
+	"\ttimestamp\x18\x04 \x01(\v2\x1a.google.protobuf.TimestampR\ttimestamp\"\x7f\n" +
+	"\n" +
+	"EventsLogs\x12/\n" +
+	"\tagent_log\x18\x01 \x01(\v2\x10.events.AgentLogH\x00R\bagentLog\x125\n" +
+	"\vagent_event\x18\x02 \x01(\v2\x12.events.AgentEventH\x00R\n" +
+	"agentEventB\t\n" +
+	"\amessageB\n" +
+	"Z\b./eventsb\x06proto3"
 
 var (
 	file_agent_events_events_proto_rawDescOnce sync.Once

agent/events/mocks/service.go

@@ -1,16 +1,32 @@
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
+// Code generated by mockery; DO NOT EDIT.
+// github.com/vektra/mockery
+// template: testify
 
 package mocks
 
 import (
-	json "encoding/json"
+	"encoding/json"
 
 	mock "github.com/stretchr/testify/mock"
 )
 
+// NewService creates a new instance of Service. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewService(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *Service {
+	mock := &Service{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
 // Service is an autogenerated mock type for the Service type
 type Service struct {
 	mock.Mock
@@ -24,9 +40,10 @@ func (_m *Service) EXPECT() *Service_Expecter {
 	return &Service_Expecter{mock: &_m.Mock}
 }
 
-// SendEvent provides a mock function with given fields: cmpID, event, status, details
-func (_m *Service) SendEvent(cmpID string, event string, status string, details json.RawMessage) {
-	_m.Called(cmpID, event, status, details)
+// SendEvent provides a mock function for the type Service
+func (_mock *Service) SendEvent(cmpID string, event string, status string, details json.RawMessage) {
+	_mock.Called(cmpID, event, status, details)
+	return
 }
 
 // Service_SendEvent_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'SendEvent'
@@ -45,7 +62,28 @@ func (_e *Service_Expecter) SendEvent(cmpID interface{}, event interface{}, stat
 
 func (_c *Service_SendEvent_Call) Run(run func(cmpID string, event string, status string, details json.RawMessage)) *Service_SendEvent_Call {
 	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(string), args[1].(string), args[2].(string), args[3].(json.RawMessage))
+		var arg0 string
+		if args[0] != nil {
+			arg0 = args[0].(string)
+		}
+		var arg1 string
+		if args[1] != nil {
+			arg1 = args[1].(string)
+		}
+		var arg2 string
+		if args[2] != nil {
+			arg2 = args[2].(string)
+		}
+		var arg3 json.RawMessage
+		if args[3] != nil {
+			arg3 = args[3].(json.RawMessage)
+		}
+		run(
+			arg0,
+			arg1,
+			arg2,
+			arg3,
+		)
 	})
 	return _c
 }
@@ -55,21 +93,7 @@ func (_c *Service_SendEvent_Call) Return() *Service_SendEvent_Call {
 	return _c
 }
 
-func (_c *Service_SendEvent_Call) RunAndReturn(run func(string, string, string, json.RawMessage)) *Service_SendEvent_Call {
+func (_c *Service_SendEvent_Call) RunAndReturn(run func(cmpID string, event string, status string, details json.RawMessage)) *Service_SendEvent_Call {
 	_c.Run(run)
 	return _c
 }
-
-// NewService creates a new instance of Service. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-// The first argument is typically a *testing.T value.
-func NewService(t interface {
-	mock.TestingT
-	Cleanup(func())
-}) *Service {
-	mock := &Service{}
-	mock.Mock.Test(t)
-
-	t.Cleanup(func() { mock.AssertExpectations(t) })
-
-	return mock
-}

agent/mocks/agent.go

@@ -1,393 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-
-// Code generated by mockery v2.53.3. DO NOT EDIT.
-
-package mocks
-
-import (
-	agent "github.com/ultravioletrs/cocos/agent"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
-
-	context "context"
-
-	mock "github.com/stretchr/testify/mock"
-)
-
-// Service is an autogenerated mock type for the Service type
-type Service struct {
-	mock.Mock
-}
-
-type Service_Expecter struct {
-	mock *mock.Mock
-}
-
-func (_m *Service) EXPECT() *Service_Expecter {
-	return &Service_Expecter{mock: &_m.Mock}
-}
-
-// Algo provides a mock function with given fields: ctx, algorithm
-func (_m *Service) Algo(ctx context.Context, algorithm agent.Algorithm) error {
-	ret := _m.Called(ctx, algorithm)
-
-	if len(ret) == 0 {
-		panic("no return value specified for Algo")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(context.Context, agent.Algorithm) error); ok {
-		r0 = rf(ctx, algorithm)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// Service_Algo_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Algo'
-type Service_Algo_Call struct {
-	*mock.Call
-}
-
-// Algo is a helper method to define mock.On call
-//   - ctx context.Context
-//   - algorithm agent.Algorithm
-func (_e *Service_Expecter) Algo(ctx interface{}, algorithm interface{}) *Service_Algo_Call {
-	return &Service_Algo_Call{Call: _e.mock.On("Algo", ctx, algorithm)}
-}
-
-func (_c *Service_Algo_Call) Run(run func(ctx context.Context, algorithm agent.Algorithm)) *Service_Algo_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(context.Context), args[1].(agent.Algorithm))
-	})
-	return _c
-}
-
-func (_c *Service_Algo_Call) Return(_a0 error) *Service_Algo_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *Service_Algo_Call) RunAndReturn(run func(context.Context, agent.Algorithm) error) *Service_Algo_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Attestation provides a mock function with given fields: ctx, reportData, nonce, attType
-func (_m *Service) Attestation(ctx context.Context, reportData [64]byte, nonce [32]byte, attType config.AttestationType) ([]byte, error) {
-	ret := _m.Called(ctx, reportData, nonce, attType)
-
-	if len(ret) == 0 {
-		panic("no return value specified for Attestation")
-	}
-
-	var r0 []byte
-	var r1 error
-	if rf, ok := ret.Get(0).(func(context.Context, [64]byte, [32]byte, config.AttestationType) ([]byte, error)); ok {
-		return rf(ctx, reportData, nonce, attType)
-	}
-	if rf, ok := ret.Get(0).(func(context.Context, [64]byte, [32]byte, config.AttestationType) []byte); ok {
-		r0 = rf(ctx, reportData, nonce, attType)
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).([]byte)
-		}
-	}
-
-	if rf, ok := ret.Get(1).(func(context.Context, [64]byte, [32]byte, config.AttestationType) error); ok {
-		r1 = rf(ctx, reportData, nonce, attType)
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// Service_Attestation_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Attestation'
-type Service_Attestation_Call struct {
-	*mock.Call
-}
-
-// Attestation is a helper method to define mock.On call
-//   - ctx context.Context
-//   - reportData [64]byte
-//   - nonce [32]byte
-//   - attType config.AttestationType
-func (_e *Service_Expecter) Attestation(ctx interface{}, reportData interface{}, nonce interface{}, attType interface{}) *Service_Attestation_Call {
-	return &Service_Attestation_Call{Call: _e.mock.On("Attestation", ctx, reportData, nonce, attType)}
-}
-
-func (_c *Service_Attestation_Call) Run(run func(ctx context.Context, reportData [64]byte, nonce [32]byte, attType config.AttestationType)) *Service_Attestation_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(context.Context), args[1].([64]byte), args[2].([32]byte), args[3].(config.AttestationType))
-	})
-	return _c
-}
-
-func (_c *Service_Attestation_Call) Return(_a0 []byte, _a1 error) *Service_Attestation_Call {
-	_c.Call.Return(_a0, _a1)
-	return _c
-}
-
-func (_c *Service_Attestation_Call) RunAndReturn(run func(context.Context, [64]byte, [32]byte, config.AttestationType) ([]byte, error)) *Service_Attestation_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Data provides a mock function with given fields: ctx, dataset
-func (_m *Service) Data(ctx context.Context, dataset agent.Dataset) error {
-	ret := _m.Called(ctx, dataset)
-
-	if len(ret) == 0 {
-		panic("no return value specified for Data")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(context.Context, agent.Dataset) error); ok {
-		r0 = rf(ctx, dataset)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// Service_Data_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Data'
-type Service_Data_Call struct {
-	*mock.Call
-}
-
-// Data is a helper method to define mock.On call
-//   - ctx context.Context
-//   - dataset agent.Dataset
-func (_e *Service_Expecter) Data(ctx interface{}, dataset interface{}) *Service_Data_Call {
-	return &Service_Data_Call{Call: _e.mock.On("Data", ctx, dataset)}
-}
-
-func (_c *Service_Data_Call) Run(run func(ctx context.Context, dataset agent.Dataset)) *Service_Data_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(context.Context), args[1].(agent.Dataset))
-	})
-	return _c
-}
-
-func (_c *Service_Data_Call) Return(_a0 error) *Service_Data_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *Service_Data_Call) RunAndReturn(run func(context.Context, agent.Dataset) error) *Service_Data_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// InitComputation provides a mock function with given fields: ctx, cmp
-func (_m *Service) InitComputation(ctx context.Context, cmp agent.Computation) error {
-	ret := _m.Called(ctx, cmp)
-
-	if len(ret) == 0 {
-		panic("no return value specified for InitComputation")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(context.Context, agent.Computation) error); ok {
-		r0 = rf(ctx, cmp)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// Service_InitComputation_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'InitComputation'
-type Service_InitComputation_Call struct {
-	*mock.Call
-}
-
-// InitComputation is a helper method to define mock.On call
-//   - ctx context.Context
-//   - cmp agent.Computation
-func (_e *Service_Expecter) InitComputation(ctx interface{}, cmp interface{}) *Service_InitComputation_Call {
-	return &Service_InitComputation_Call{Call: _e.mock.On("InitComputation", ctx, cmp)}
-}
-
-func (_c *Service_InitComputation_Call) Run(run func(ctx context.Context, cmp agent.Computation)) *Service_InitComputation_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(context.Context), args[1].(agent.Computation))
-	})
-	return _c
-}
-
-func (_c *Service_InitComputation_Call) Return(_a0 error) *Service_InitComputation_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *Service_InitComputation_Call) RunAndReturn(run func(context.Context, agent.Computation) error) *Service_InitComputation_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Result provides a mock function with given fields: ctx
-func (_m *Service) Result(ctx context.Context) ([]byte, error) {
-	ret := _m.Called(ctx)
-
-	if len(ret) == 0 {
-		panic("no return value specified for Result")
-	}
-
-	var r0 []byte
-	var r1 error
-	if rf, ok := ret.Get(0).(func(context.Context) ([]byte, error)); ok {
-		return rf(ctx)
-	}
-	if rf, ok := ret.Get(0).(func(context.Context) []byte); ok {
-		r0 = rf(ctx)
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).([]byte)
-		}
-	}
-
-	if rf, ok := ret.Get(1).(func(context.Context) error); ok {
-		r1 = rf(ctx)
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// Service_Result_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Result'
-type Service_Result_Call struct {
-	*mock.Call
-}
-
-// Result is a helper method to define mock.On call
-//   - ctx context.Context
-func (_e *Service_Expecter) Result(ctx interface{}) *Service_Result_Call {
-	return &Service_Result_Call{Call: _e.mock.On("Result", ctx)}
-}
-
-func (_c *Service_Result_Call) Run(run func(ctx context.Context)) *Service_Result_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(context.Context))
-	})
-	return _c
-}
-
-func (_c *Service_Result_Call) Return(_a0 []byte, _a1 error) *Service_Result_Call {
-	_c.Call.Return(_a0, _a1)
-	return _c
-}
-
-func (_c *Service_Result_Call) RunAndReturn(run func(context.Context) ([]byte, error)) *Service_Result_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// State provides a mock function with no fields
-func (_m *Service) State() string {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for State")
-	}
-
-	var r0 string
-	if rf, ok := ret.Get(0).(func() string); ok {
-		r0 = rf()
-	} else {
-		r0 = ret.Get(0).(string)
-	}
-
-	return r0
-}
-
-// Service_State_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'State'
-type Service_State_Call struct {
-	*mock.Call
-}
-
-// State is a helper method to define mock.On call
-func (_e *Service_Expecter) State() *Service_State_Call {
-	return &Service_State_Call{Call: _e.mock.On("State")}
-}
-
-func (_c *Service_State_Call) Run(run func()) *Service_State_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *Service_State_Call) Return(_a0 string) *Service_State_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *Service_State_Call) RunAndReturn(run func() string) *Service_State_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// StopComputation provides a mock function with given fields: ctx
-func (_m *Service) StopComputation(ctx context.Context) error {
-	ret := _m.Called(ctx)
-
-	if len(ret) == 0 {
-		panic("no return value specified for StopComputation")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(context.Context) error); ok {
-		r0 = rf(ctx)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// Service_StopComputation_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'StopComputation'
-type Service_StopComputation_Call struct {
-	*mock.Call
-}
-
-// StopComputation is a helper method to define mock.On call
-//   - ctx context.Context
-func (_e *Service_Expecter) StopComputation(ctx interface{}) *Service_StopComputation_Call {
-	return &Service_StopComputation_Call{Call: _e.mock.On("StopComputation", ctx)}
-}
-
-func (_c *Service_StopComputation_Call) Run(run func(ctx context.Context)) *Service_StopComputation_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(context.Context))
-	})
-	return _c
-}
-
-func (_c *Service_StopComputation_Call) Return(_a0 error) *Service_StopComputation_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *Service_StopComputation_Call) RunAndReturn(run func(context.Context) error) *Service_StopComputation_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// NewService creates a new instance of Service. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-// The first argument is typically a *testing.T value.
-func NewService(t interface {
-	mock.TestingT
-	Cleanup(func())
-}) *Service {
-	mock := &Service{}
-	mock.Mock.Test(t)
-
-	t.Cleanup(func() { mock.AssertExpectations(t) })
-
-	return mock
-}

agent/mocks/agent_grpc_algo.go

@@ -1,434 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-
-// Code generated by mockery v2.53.3. DO NOT EDIT.
-
-package mocks
-
-import (
-	context "context"
-
-	agent "github.com/ultravioletrs/cocos/agent"
-
-	metadata "google.golang.org/grpc/metadata"
-
-	mock "github.com/stretchr/testify/mock"
-)
-
-// AgentService_AlgoClient is an autogenerated mock type for the AgentService_AlgoClient type
-type AgentService_AlgoClient[Req interface{}, Res interface{}] struct {
-	mock.Mock
-}
-
-type AgentService_AlgoClient_Expecter[Req interface{}, Res interface{}] struct {
-	mock *mock.Mock
-}
-
-func (_m *AgentService_AlgoClient[Req, Res]) EXPECT() *AgentService_AlgoClient_Expecter[Req, Res] {
-	return &AgentService_AlgoClient_Expecter[Req, Res]{mock: &_m.Mock}
-}
-
-// CloseAndRecv provides a mock function with no fields
-func (_m *AgentService_AlgoClient[Req, Res]) CloseAndRecv() (*agent.AlgoResponse, error) {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for CloseAndRecv")
-	}
-
-	var r0 *agent.AlgoResponse
-	var r1 error
-	if rf, ok := ret.Get(0).(func() (*agent.AlgoResponse, error)); ok {
-		return rf()
-	}
-	if rf, ok := ret.Get(0).(func() *agent.AlgoResponse); ok {
-		r0 = rf()
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*agent.AlgoResponse)
-		}
-	}
-
-	if rf, ok := ret.Get(1).(func() error); ok {
-		r1 = rf()
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// AgentService_AlgoClient_CloseAndRecv_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'CloseAndRecv'
-type AgentService_AlgoClient_CloseAndRecv_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// CloseAndRecv is a helper method to define mock.On call
-func (_e *AgentService_AlgoClient_Expecter[Req, Res]) CloseAndRecv() *AgentService_AlgoClient_CloseAndRecv_Call[Req, Res] {
-	return &AgentService_AlgoClient_CloseAndRecv_Call[Req, Res]{Call: _e.mock.On("CloseAndRecv")}
-}
-
-func (_c *AgentService_AlgoClient_CloseAndRecv_Call[Req, Res]) Run(run func()) *AgentService_AlgoClient_CloseAndRecv_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_CloseAndRecv_Call[Req, Res]) Return(_a0 *agent.AlgoResponse, _a1 error) *AgentService_AlgoClient_CloseAndRecv_Call[Req, Res] {
-	_c.Call.Return(_a0, _a1)
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_CloseAndRecv_Call[Req, Res]) RunAndReturn(run func() (*agent.AlgoResponse, error)) *AgentService_AlgoClient_CloseAndRecv_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// CloseSend provides a mock function with no fields
-func (_m *AgentService_AlgoClient[Req, Res]) CloseSend() error {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for CloseSend")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func() error); ok {
-		r0 = rf()
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// AgentService_AlgoClient_CloseSend_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'CloseSend'
-type AgentService_AlgoClient_CloseSend_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// CloseSend is a helper method to define mock.On call
-func (_e *AgentService_AlgoClient_Expecter[Req, Res]) CloseSend() *AgentService_AlgoClient_CloseSend_Call[Req, Res] {
-	return &AgentService_AlgoClient_CloseSend_Call[Req, Res]{Call: _e.mock.On("CloseSend")}
-}
-
-func (_c *AgentService_AlgoClient_CloseSend_Call[Req, Res]) Run(run func()) *AgentService_AlgoClient_CloseSend_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_CloseSend_Call[Req, Res]) Return(_a0 error) *AgentService_AlgoClient_CloseSend_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_CloseSend_Call[Req, Res]) RunAndReturn(run func() error) *AgentService_AlgoClient_CloseSend_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Context provides a mock function with no fields
-func (_m *AgentService_AlgoClient[Req, Res]) Context() context.Context {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for Context")
-	}
-
-	var r0 context.Context
-	if rf, ok := ret.Get(0).(func() context.Context); ok {
-		r0 = rf()
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(context.Context)
-		}
-	}
-
-	return r0
-}
-
-// AgentService_AlgoClient_Context_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Context'
-type AgentService_AlgoClient_Context_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// Context is a helper method to define mock.On call
-func (_e *AgentService_AlgoClient_Expecter[Req, Res]) Context() *AgentService_AlgoClient_Context_Call[Req, Res] {
-	return &AgentService_AlgoClient_Context_Call[Req, Res]{Call: _e.mock.On("Context")}
-}
-
-func (_c *AgentService_AlgoClient_Context_Call[Req, Res]) Run(run func()) *AgentService_AlgoClient_Context_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_Context_Call[Req, Res]) Return(_a0 context.Context) *AgentService_AlgoClient_Context_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_Context_Call[Req, Res]) RunAndReturn(run func() context.Context) *AgentService_AlgoClient_Context_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Header provides a mock function with no fields
-func (_m *AgentService_AlgoClient[Req, Res]) Header() (metadata.MD, error) {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for Header")
-	}
-
-	var r0 metadata.MD
-	var r1 error
-	if rf, ok := ret.Get(0).(func() (metadata.MD, error)); ok {
-		return rf()
-	}
-	if rf, ok := ret.Get(0).(func() metadata.MD); ok {
-		r0 = rf()
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(metadata.MD)
-		}
-	}
-
-	if rf, ok := ret.Get(1).(func() error); ok {
-		r1 = rf()
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// AgentService_AlgoClient_Header_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Header'
-type AgentService_AlgoClient_Header_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// Header is a helper method to define mock.On call
-func (_e *AgentService_AlgoClient_Expecter[Req, Res]) Header() *AgentService_AlgoClient_Header_Call[Req, Res] {
-	return &AgentService_AlgoClient_Header_Call[Req, Res]{Call: _e.mock.On("Header")}
-}
-
-func (_c *AgentService_AlgoClient_Header_Call[Req, Res]) Run(run func()) *AgentService_AlgoClient_Header_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_Header_Call[Req, Res]) Return(_a0 metadata.MD, _a1 error) *AgentService_AlgoClient_Header_Call[Req, Res] {
-	_c.Call.Return(_a0, _a1)
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_Header_Call[Req, Res]) RunAndReturn(run func() (metadata.MD, error)) *AgentService_AlgoClient_Header_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// RecvMsg provides a mock function with given fields: m
-func (_m *AgentService_AlgoClient[Req, Res]) RecvMsg(m interface{}) error {
-	ret := _m.Called(m)
-
-	if len(ret) == 0 {
-		panic("no return value specified for RecvMsg")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(interface{}) error); ok {
-		r0 = rf(m)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// AgentService_AlgoClient_RecvMsg_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'RecvMsg'
-type AgentService_AlgoClient_RecvMsg_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// RecvMsg is a helper method to define mock.On call
-//   - m interface{}
-func (_e *AgentService_AlgoClient_Expecter[Req, Res]) RecvMsg(m interface{}) *AgentService_AlgoClient_RecvMsg_Call[Req, Res] {
-	return &AgentService_AlgoClient_RecvMsg_Call[Req, Res]{Call: _e.mock.On("RecvMsg", m)}
-}
-
-func (_c *AgentService_AlgoClient_RecvMsg_Call[Req, Res]) Run(run func(m interface{})) *AgentService_AlgoClient_RecvMsg_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(interface{}))
-	})
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_RecvMsg_Call[Req, Res]) Return(_a0 error) *AgentService_AlgoClient_RecvMsg_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_RecvMsg_Call[Req, Res]) RunAndReturn(run func(interface{}) error) *AgentService_AlgoClient_RecvMsg_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Send provides a mock function with given fields: _a0
-func (_m *AgentService_AlgoClient[Req, Res]) Send(_a0 *agent.AlgoRequest) error {
-	ret := _m.Called(_a0)
-
-	if len(ret) == 0 {
-		panic("no return value specified for Send")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(*agent.AlgoRequest) error); ok {
-		r0 = rf(_a0)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// AgentService_AlgoClient_Send_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Send'
-type AgentService_AlgoClient_Send_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// Send is a helper method to define mock.On call
-//   - _a0 *agent.AlgoRequest
-func (_e *AgentService_AlgoClient_Expecter[Req, Res]) Send(_a0 interface{}) *AgentService_AlgoClient_Send_Call[Req, Res] {
-	return &AgentService_AlgoClient_Send_Call[Req, Res]{Call: _e.mock.On("Send", _a0)}
-}
-
-func (_c *AgentService_AlgoClient_Send_Call[Req, Res]) Run(run func(_a0 *agent.AlgoRequest)) *AgentService_AlgoClient_Send_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(*agent.AlgoRequest))
-	})
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_Send_Call[Req, Res]) Return(_a0 error) *AgentService_AlgoClient_Send_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_Send_Call[Req, Res]) RunAndReturn(run func(*agent.AlgoRequest) error) *AgentService_AlgoClient_Send_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// SendMsg provides a mock function with given fields: m
-func (_m *AgentService_AlgoClient[Req, Res]) SendMsg(m interface{}) error {
-	ret := _m.Called(m)
-
-	if len(ret) == 0 {
-		panic("no return value specified for SendMsg")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(interface{}) error); ok {
-		r0 = rf(m)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// AgentService_AlgoClient_SendMsg_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'SendMsg'
-type AgentService_AlgoClient_SendMsg_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// SendMsg is a helper method to define mock.On call
-//   - m interface{}
-func (_e *AgentService_AlgoClient_Expecter[Req, Res]) SendMsg(m interface{}) *AgentService_AlgoClient_SendMsg_Call[Req, Res] {
-	return &AgentService_AlgoClient_SendMsg_Call[Req, Res]{Call: _e.mock.On("SendMsg", m)}
-}
-
-func (_c *AgentService_AlgoClient_SendMsg_Call[Req, Res]) Run(run func(m interface{})) *AgentService_AlgoClient_SendMsg_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(interface{}))
-	})
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_SendMsg_Call[Req, Res]) Return(_a0 error) *AgentService_AlgoClient_SendMsg_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_SendMsg_Call[Req, Res]) RunAndReturn(run func(interface{}) error) *AgentService_AlgoClient_SendMsg_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Trailer provides a mock function with no fields
-func (_m *AgentService_AlgoClient[Req, Res]) Trailer() metadata.MD {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for Trailer")
-	}
-
-	var r0 metadata.MD
-	if rf, ok := ret.Get(0).(func() metadata.MD); ok {
-		r0 = rf()
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(metadata.MD)
-		}
-	}
-
-	return r0
-}
-
-// AgentService_AlgoClient_Trailer_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Trailer'
-type AgentService_AlgoClient_Trailer_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// Trailer is a helper method to define mock.On call
-func (_e *AgentService_AlgoClient_Expecter[Req, Res]) Trailer() *AgentService_AlgoClient_Trailer_Call[Req, Res] {
-	return &AgentService_AlgoClient_Trailer_Call[Req, Res]{Call: _e.mock.On("Trailer")}
-}
-
-func (_c *AgentService_AlgoClient_Trailer_Call[Req, Res]) Run(run func()) *AgentService_AlgoClient_Trailer_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_Trailer_Call[Req, Res]) Return(_a0 metadata.MD) *AgentService_AlgoClient_Trailer_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_AlgoClient_Trailer_Call[Req, Res]) RunAndReturn(run func() metadata.MD) *AgentService_AlgoClient_Trailer_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// NewAgentService_AlgoClient creates a new instance of AgentService_AlgoClient. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-// The first argument is typically a *testing.T value.
-func NewAgentService_AlgoClient[Req interface{}, Res interface{}](t interface {
-	mock.TestingT
-	Cleanup(func())
-}) *AgentService_AlgoClient[Req, Res] {
-	mock := &AgentService_AlgoClient[Req, Res]{}
-	mock.Mock.Test(t)
-
-	t.Cleanup(func() { mock.AssertExpectations(t) })
-
-	return mock
-}

agent/mocks/agent_grpc_data.go

@@ -1,434 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-
-// Code generated by mockery v2.53.3. DO NOT EDIT.
-
-package mocks
-
-import (
-	context "context"
-
-	agent "github.com/ultravioletrs/cocos/agent"
-
-	metadata "google.golang.org/grpc/metadata"
-
-	mock "github.com/stretchr/testify/mock"
-)
-
-// AgentService_DataClient is an autogenerated mock type for the AgentService_DataClient type
-type AgentService_DataClient[Req interface{}, Res interface{}] struct {
-	mock.Mock
-}
-
-type AgentService_DataClient_Expecter[Req interface{}, Res interface{}] struct {
-	mock *mock.Mock
-}
-
-func (_m *AgentService_DataClient[Req, Res]) EXPECT() *AgentService_DataClient_Expecter[Req, Res] {
-	return &AgentService_DataClient_Expecter[Req, Res]{mock: &_m.Mock}
-}
-
-// CloseAndRecv provides a mock function with no fields
-func (_m *AgentService_DataClient[Req, Res]) CloseAndRecv() (*agent.DataResponse, error) {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for CloseAndRecv")
-	}
-
-	var r0 *agent.DataResponse
-	var r1 error
-	if rf, ok := ret.Get(0).(func() (*agent.DataResponse, error)); ok {
-		return rf()
-	}
-	if rf, ok := ret.Get(0).(func() *agent.DataResponse); ok {
-		r0 = rf()
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(*agent.DataResponse)
-		}
-	}
-
-	if rf, ok := ret.Get(1).(func() error); ok {
-		r1 = rf()
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// AgentService_DataClient_CloseAndRecv_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'CloseAndRecv'
-type AgentService_DataClient_CloseAndRecv_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// CloseAndRecv is a helper method to define mock.On call
-func (_e *AgentService_DataClient_Expecter[Req, Res]) CloseAndRecv() *AgentService_DataClient_CloseAndRecv_Call[Req, Res] {
-	return &AgentService_DataClient_CloseAndRecv_Call[Req, Res]{Call: _e.mock.On("CloseAndRecv")}
-}
-
-func (_c *AgentService_DataClient_CloseAndRecv_Call[Req, Res]) Run(run func()) *AgentService_DataClient_CloseAndRecv_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *AgentService_DataClient_CloseAndRecv_Call[Req, Res]) Return(_a0 *agent.DataResponse, _a1 error) *AgentService_DataClient_CloseAndRecv_Call[Req, Res] {
-	_c.Call.Return(_a0, _a1)
-	return _c
-}
-
-func (_c *AgentService_DataClient_CloseAndRecv_Call[Req, Res]) RunAndReturn(run func() (*agent.DataResponse, error)) *AgentService_DataClient_CloseAndRecv_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// CloseSend provides a mock function with no fields
-func (_m *AgentService_DataClient[Req, Res]) CloseSend() error {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for CloseSend")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func() error); ok {
-		r0 = rf()
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// AgentService_DataClient_CloseSend_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'CloseSend'
-type AgentService_DataClient_CloseSend_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// CloseSend is a helper method to define mock.On call
-func (_e *AgentService_DataClient_Expecter[Req, Res]) CloseSend() *AgentService_DataClient_CloseSend_Call[Req, Res] {
-	return &AgentService_DataClient_CloseSend_Call[Req, Res]{Call: _e.mock.On("CloseSend")}
-}
-
-func (_c *AgentService_DataClient_CloseSend_Call[Req, Res]) Run(run func()) *AgentService_DataClient_CloseSend_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *AgentService_DataClient_CloseSend_Call[Req, Res]) Return(_a0 error) *AgentService_DataClient_CloseSend_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_DataClient_CloseSend_Call[Req, Res]) RunAndReturn(run func() error) *AgentService_DataClient_CloseSend_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Context provides a mock function with no fields
-func (_m *AgentService_DataClient[Req, Res]) Context() context.Context {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for Context")
-	}
-
-	var r0 context.Context
-	if rf, ok := ret.Get(0).(func() context.Context); ok {
-		r0 = rf()
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(context.Context)
-		}
-	}
-
-	return r0
-}
-
-// AgentService_DataClient_Context_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Context'
-type AgentService_DataClient_Context_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// Context is a helper method to define mock.On call
-func (_e *AgentService_DataClient_Expecter[Req, Res]) Context() *AgentService_DataClient_Context_Call[Req, Res] {
-	return &AgentService_DataClient_Context_Call[Req, Res]{Call: _e.mock.On("Context")}
-}
-
-func (_c *AgentService_DataClient_Context_Call[Req, Res]) Run(run func()) *AgentService_DataClient_Context_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *AgentService_DataClient_Context_Call[Req, Res]) Return(_a0 context.Context) *AgentService_DataClient_Context_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_DataClient_Context_Call[Req, Res]) RunAndReturn(run func() context.Context) *AgentService_DataClient_Context_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Header provides a mock function with no fields
-func (_m *AgentService_DataClient[Req, Res]) Header() (metadata.MD, error) {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for Header")
-	}
-
-	var r0 metadata.MD
-	var r1 error
-	if rf, ok := ret.Get(0).(func() (metadata.MD, error)); ok {
-		return rf()
-	}
-	if rf, ok := ret.Get(0).(func() metadata.MD); ok {
-		r0 = rf()
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(metadata.MD)
-		}
-	}
-
-	if rf, ok := ret.Get(1).(func() error); ok {
-		r1 = rf()
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// AgentService_DataClient_Header_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Header'
-type AgentService_DataClient_Header_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// Header is a helper method to define mock.On call
-func (_e *AgentService_DataClient_Expecter[Req, Res]) Header() *AgentService_DataClient_Header_Call[Req, Res] {
-	return &AgentService_DataClient_Header_Call[Req, Res]{Call: _e.mock.On("Header")}
-}
-
-func (_c *AgentService_DataClient_Header_Call[Req, Res]) Run(run func()) *AgentService_DataClient_Header_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *AgentService_DataClient_Header_Call[Req, Res]) Return(_a0 metadata.MD, _a1 error) *AgentService_DataClient_Header_Call[Req, Res] {
-	_c.Call.Return(_a0, _a1)
-	return _c
-}
-
-func (_c *AgentService_DataClient_Header_Call[Req, Res]) RunAndReturn(run func() (metadata.MD, error)) *AgentService_DataClient_Header_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// RecvMsg provides a mock function with given fields: m
-func (_m *AgentService_DataClient[Req, Res]) RecvMsg(m interface{}) error {
-	ret := _m.Called(m)
-
-	if len(ret) == 0 {
-		panic("no return value specified for RecvMsg")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(interface{}) error); ok {
-		r0 = rf(m)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// AgentService_DataClient_RecvMsg_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'RecvMsg'
-type AgentService_DataClient_RecvMsg_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// RecvMsg is a helper method to define mock.On call
-//   - m interface{}
-func (_e *AgentService_DataClient_Expecter[Req, Res]) RecvMsg(m interface{}) *AgentService_DataClient_RecvMsg_Call[Req, Res] {
-	return &AgentService_DataClient_RecvMsg_Call[Req, Res]{Call: _e.mock.On("RecvMsg", m)}
-}
-
-func (_c *AgentService_DataClient_RecvMsg_Call[Req, Res]) Run(run func(m interface{})) *AgentService_DataClient_RecvMsg_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(interface{}))
-	})
-	return _c
-}
-
-func (_c *AgentService_DataClient_RecvMsg_Call[Req, Res]) Return(_a0 error) *AgentService_DataClient_RecvMsg_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_DataClient_RecvMsg_Call[Req, Res]) RunAndReturn(run func(interface{}) error) *AgentService_DataClient_RecvMsg_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Send provides a mock function with given fields: _a0
-func (_m *AgentService_DataClient[Req, Res]) Send(_a0 *agent.DataRequest) error {
-	ret := _m.Called(_a0)
-
-	if len(ret) == 0 {
-		panic("no return value specified for Send")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(*agent.DataRequest) error); ok {
-		r0 = rf(_a0)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// AgentService_DataClient_Send_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Send'
-type AgentService_DataClient_Send_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// Send is a helper method to define mock.On call
-//   - _a0 *agent.DataRequest
-func (_e *AgentService_DataClient_Expecter[Req, Res]) Send(_a0 interface{}) *AgentService_DataClient_Send_Call[Req, Res] {
-	return &AgentService_DataClient_Send_Call[Req, Res]{Call: _e.mock.On("Send", _a0)}
-}
-
-func (_c *AgentService_DataClient_Send_Call[Req, Res]) Run(run func(_a0 *agent.DataRequest)) *AgentService_DataClient_Send_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(*agent.DataRequest))
-	})
-	return _c
-}
-
-func (_c *AgentService_DataClient_Send_Call[Req, Res]) Return(_a0 error) *AgentService_DataClient_Send_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_DataClient_Send_Call[Req, Res]) RunAndReturn(run func(*agent.DataRequest) error) *AgentService_DataClient_Send_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// SendMsg provides a mock function with given fields: m
-func (_m *AgentService_DataClient[Req, Res]) SendMsg(m interface{}) error {
-	ret := _m.Called(m)
-
-	if len(ret) == 0 {
-		panic("no return value specified for SendMsg")
-	}
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(interface{}) error); ok {
-		r0 = rf(m)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// AgentService_DataClient_SendMsg_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'SendMsg'
-type AgentService_DataClient_SendMsg_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// SendMsg is a helper method to define mock.On call
-//   - m interface{}
-func (_e *AgentService_DataClient_Expecter[Req, Res]) SendMsg(m interface{}) *AgentService_DataClient_SendMsg_Call[Req, Res] {
-	return &AgentService_DataClient_SendMsg_Call[Req, Res]{Call: _e.mock.On("SendMsg", m)}
-}
-
-func (_c *AgentService_DataClient_SendMsg_Call[Req, Res]) Run(run func(m interface{})) *AgentService_DataClient_SendMsg_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(interface{}))
-	})
-	return _c
-}
-
-func (_c *AgentService_DataClient_SendMsg_Call[Req, Res]) Return(_a0 error) *AgentService_DataClient_SendMsg_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_DataClient_SendMsg_Call[Req, Res]) RunAndReturn(run func(interface{}) error) *AgentService_DataClient_SendMsg_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Trailer provides a mock function with no fields
-func (_m *AgentService_DataClient[Req, Res]) Trailer() metadata.MD {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for Trailer")
-	}
-
-	var r0 metadata.MD
-	if rf, ok := ret.Get(0).(func() metadata.MD); ok {
-		r0 = rf()
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(metadata.MD)
-		}
-	}
-
-	return r0
-}
-
-// AgentService_DataClient_Trailer_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Trailer'
-type AgentService_DataClient_Trailer_Call[Req interface{}, Res interface{}] struct {
-	*mock.Call
-}
-
-// Trailer is a helper method to define mock.On call
-func (_e *AgentService_DataClient_Expecter[Req, Res]) Trailer() *AgentService_DataClient_Trailer_Call[Req, Res] {
-	return &AgentService_DataClient_Trailer_Call[Req, Res]{Call: _e.mock.On("Trailer")}
-}
-
-func (_c *AgentService_DataClient_Trailer_Call[Req, Res]) Run(run func()) *AgentService_DataClient_Trailer_Call[Req, Res] {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *AgentService_DataClient_Trailer_Call[Req, Res]) Return(_a0 metadata.MD) *AgentService_DataClient_Trailer_Call[Req, Res] {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentService_DataClient_Trailer_Call[Req, Res]) RunAndReturn(run func() metadata.MD) *AgentService_DataClient_Trailer_Call[Req, Res] {
-	_c.Call.Return(run)
-	return _c
-}
-
-// NewAgentService_DataClient creates a new instance of AgentService_DataClient. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-// The first argument is typically a *testing.T value.
-func NewAgentService_DataClient[Req interface{}, Res interface{}](t interface {
-	mock.TestingT
-	Cleanup(func())
-}) *AgentService_DataClient[Req, Res] {
-	mock := &AgentService_DataClient[Req, Res]{}
-	mock.Mock.Test(t)
-
-	t.Cleanup(func() { mock.AssertExpectations(t) })
-
-	return mock
-}

agent/mocks/agentservice_algoclient.go

@@ -0,0 +1,442 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+
+// Code generated by mockery; DO NOT EDIT.
+// github.com/vektra/mockery
+// template: testify
+
+package mocks
+
+import (
+	"context"
+
+	mock "github.com/stretchr/testify/mock"
+	"github.com/ultravioletrs/cocos/agent"
+	"google.golang.org/grpc/metadata"
+)
+
+// NewAgentService_AlgoClient creates a new instance of AgentService_AlgoClient. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewAgentService_AlgoClient(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *AgentService_AlgoClient {
+	mock := &AgentService_AlgoClient{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
+// AgentService_AlgoClient is an autogenerated mock type for the AgentService_AlgoClient type
+type AgentService_AlgoClient struct {
+	mock.Mock
+}
+
+type AgentService_AlgoClient_Expecter struct {
+	mock *mock.Mock
+}
+
+func (_m *AgentService_AlgoClient) EXPECT() *AgentService_AlgoClient_Expecter {
+	return &AgentService_AlgoClient_Expecter{mock: &_m.Mock}
+}
+
+// CloseAndRecv provides a mock function for the type AgentService_AlgoClient
+func (_mock *AgentService_AlgoClient) CloseAndRecv() (*agent.AlgoResponse, error) {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for CloseAndRecv")
+	}
+
+	var r0 *agent.AlgoResponse
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func() (*agent.AlgoResponse, error)); ok {
+		return returnFunc()
+	}
+	if returnFunc, ok := ret.Get(0).(func() *agent.AlgoResponse); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*agent.AlgoResponse)
+		}
+	}
+	if returnFunc, ok := ret.Get(1).(func() error); ok {
+		r1 = returnFunc()
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// AgentService_AlgoClient_CloseAndRecv_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'CloseAndRecv'
+type AgentService_AlgoClient_CloseAndRecv_Call struct {
+	*mock.Call
+}
+
+// CloseAndRecv is a helper method to define mock.On call
+func (_e *AgentService_AlgoClient_Expecter) CloseAndRecv() *AgentService_AlgoClient_CloseAndRecv_Call {
+	return &AgentService_AlgoClient_CloseAndRecv_Call{Call: _e.mock.On("CloseAndRecv")}
+}
+
+func (_c *AgentService_AlgoClient_CloseAndRecv_Call) Run(run func()) *AgentService_AlgoClient_CloseAndRecv_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_CloseAndRecv_Call) Return(algoResponse *agent.AlgoResponse, err error) *AgentService_AlgoClient_CloseAndRecv_Call {
+	_c.Call.Return(algoResponse, err)
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_CloseAndRecv_Call) RunAndReturn(run func() (*agent.AlgoResponse, error)) *AgentService_AlgoClient_CloseAndRecv_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// CloseSend provides a mock function for the type AgentService_AlgoClient
+func (_mock *AgentService_AlgoClient) CloseSend() error {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for CloseSend")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func() error); ok {
+		r0 = returnFunc()
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// AgentService_AlgoClient_CloseSend_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'CloseSend'
+type AgentService_AlgoClient_CloseSend_Call struct {
+	*mock.Call
+}
+
+// CloseSend is a helper method to define mock.On call
+func (_e *AgentService_AlgoClient_Expecter) CloseSend() *AgentService_AlgoClient_CloseSend_Call {
+	return &AgentService_AlgoClient_CloseSend_Call{Call: _e.mock.On("CloseSend")}
+}
+
+func (_c *AgentService_AlgoClient_CloseSend_Call) Run(run func()) *AgentService_AlgoClient_CloseSend_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_CloseSend_Call) Return(err error) *AgentService_AlgoClient_CloseSend_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_CloseSend_Call) RunAndReturn(run func() error) *AgentService_AlgoClient_CloseSend_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Context provides a mock function for the type AgentService_AlgoClient
+func (_mock *AgentService_AlgoClient) Context() context.Context {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Context")
+	}
+
+	var r0 context.Context
+	if returnFunc, ok := ret.Get(0).(func() context.Context); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(context.Context)
+		}
+	}
+	return r0
+}
+
+// AgentService_AlgoClient_Context_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Context'
+type AgentService_AlgoClient_Context_Call struct {
+	*mock.Call
+}
+
+// Context is a helper method to define mock.On call
+func (_e *AgentService_AlgoClient_Expecter) Context() *AgentService_AlgoClient_Context_Call {
+	return &AgentService_AlgoClient_Context_Call{Call: _e.mock.On("Context")}
+}
+
+func (_c *AgentService_AlgoClient_Context_Call) Run(run func()) *AgentService_AlgoClient_Context_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_Context_Call) Return(context1 context.Context) *AgentService_AlgoClient_Context_Call {
+	_c.Call.Return(context1)
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_Context_Call) RunAndReturn(run func() context.Context) *AgentService_AlgoClient_Context_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Header provides a mock function for the type AgentService_AlgoClient
+func (_mock *AgentService_AlgoClient) Header() (metadata.MD, error) {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Header")
+	}
+
+	var r0 metadata.MD
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func() (metadata.MD, error)); ok {
+		return returnFunc()
+	}
+	if returnFunc, ok := ret.Get(0).(func() metadata.MD); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(metadata.MD)
+		}
+	}
+	if returnFunc, ok := ret.Get(1).(func() error); ok {
+		r1 = returnFunc()
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// AgentService_AlgoClient_Header_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Header'
+type AgentService_AlgoClient_Header_Call struct {
+	*mock.Call
+}
+
+// Header is a helper method to define mock.On call
+func (_e *AgentService_AlgoClient_Expecter) Header() *AgentService_AlgoClient_Header_Call {
+	return &AgentService_AlgoClient_Header_Call{Call: _e.mock.On("Header")}
+}
+
+func (_c *AgentService_AlgoClient_Header_Call) Run(run func()) *AgentService_AlgoClient_Header_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_Header_Call) Return(mD metadata.MD, err error) *AgentService_AlgoClient_Header_Call {
+	_c.Call.Return(mD, err)
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_Header_Call) RunAndReturn(run func() (metadata.MD, error)) *AgentService_AlgoClient_Header_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// RecvMsg provides a mock function for the type AgentService_AlgoClient
+func (_mock *AgentService_AlgoClient) RecvMsg(m any) error {
+	ret := _mock.Called(m)
+
+	if len(ret) == 0 {
+		panic("no return value specified for RecvMsg")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(any) error); ok {
+		r0 = returnFunc(m)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// AgentService_AlgoClient_RecvMsg_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'RecvMsg'
+type AgentService_AlgoClient_RecvMsg_Call struct {
+	*mock.Call
+}
+
+// RecvMsg is a helper method to define mock.On call
+//   - m any
+func (_e *AgentService_AlgoClient_Expecter) RecvMsg(m interface{}) *AgentService_AlgoClient_RecvMsg_Call {
+	return &AgentService_AlgoClient_RecvMsg_Call{Call: _e.mock.On("RecvMsg", m)}
+}
+
+func (_c *AgentService_AlgoClient_RecvMsg_Call) Run(run func(m any)) *AgentService_AlgoClient_RecvMsg_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 any
+		if args[0] != nil {
+			arg0 = args[0].(any)
+		}
+		run(
+			arg0,
+		)
+	})
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_RecvMsg_Call) Return(err error) *AgentService_AlgoClient_RecvMsg_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_RecvMsg_Call) RunAndReturn(run func(m any) error) *AgentService_AlgoClient_RecvMsg_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Send provides a mock function for the type AgentService_AlgoClient
+func (_mock *AgentService_AlgoClient) Send(algoRequest *agent.AlgoRequest) error {
+	ret := _mock.Called(algoRequest)
+
+	if len(ret) == 0 {
+		panic("no return value specified for Send")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(*agent.AlgoRequest) error); ok {
+		r0 = returnFunc(algoRequest)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// AgentService_AlgoClient_Send_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Send'
+type AgentService_AlgoClient_Send_Call struct {
+	*mock.Call
+}
+
+// Send is a helper method to define mock.On call
+//   - algoRequest *agent.AlgoRequest
+func (_e *AgentService_AlgoClient_Expecter) Send(algoRequest interface{}) *AgentService_AlgoClient_Send_Call {
+	return &AgentService_AlgoClient_Send_Call{Call: _e.mock.On("Send", algoRequest)}
+}
+
+func (_c *AgentService_AlgoClient_Send_Call) Run(run func(algoRequest *agent.AlgoRequest)) *AgentService_AlgoClient_Send_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 *agent.AlgoRequest
+		if args[0] != nil {
+			arg0 = args[0].(*agent.AlgoRequest)
+		}
+		run(
+			arg0,
+		)
+	})
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_Send_Call) Return(err error) *AgentService_AlgoClient_Send_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_Send_Call) RunAndReturn(run func(algoRequest *agent.AlgoRequest) error) *AgentService_AlgoClient_Send_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// SendMsg provides a mock function for the type AgentService_AlgoClient
+func (_mock *AgentService_AlgoClient) SendMsg(m any) error {
+	ret := _mock.Called(m)
+
+	if len(ret) == 0 {
+		panic("no return value specified for SendMsg")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(any) error); ok {
+		r0 = returnFunc(m)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// AgentService_AlgoClient_SendMsg_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'SendMsg'
+type AgentService_AlgoClient_SendMsg_Call struct {
+	*mock.Call
+}
+
+// SendMsg is a helper method to define mock.On call
+//   - m any
+func (_e *AgentService_AlgoClient_Expecter) SendMsg(m interface{}) *AgentService_AlgoClient_SendMsg_Call {
+	return &AgentService_AlgoClient_SendMsg_Call{Call: _e.mock.On("SendMsg", m)}
+}
+
+func (_c *AgentService_AlgoClient_SendMsg_Call) Run(run func(m any)) *AgentService_AlgoClient_SendMsg_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 any
+		if args[0] != nil {
+			arg0 = args[0].(any)
+		}
+		run(
+			arg0,
+		)
+	})
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_SendMsg_Call) Return(err error) *AgentService_AlgoClient_SendMsg_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_SendMsg_Call) RunAndReturn(run func(m any) error) *AgentService_AlgoClient_SendMsg_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Trailer provides a mock function for the type AgentService_AlgoClient
+func (_mock *AgentService_AlgoClient) Trailer() metadata.MD {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Trailer")
+	}
+
+	var r0 metadata.MD
+	if returnFunc, ok := ret.Get(0).(func() metadata.MD); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(metadata.MD)
+		}
+	}
+	return r0
+}
+
+// AgentService_AlgoClient_Trailer_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Trailer'
+type AgentService_AlgoClient_Trailer_Call struct {
+	*mock.Call
+}
+
+// Trailer is a helper method to define mock.On call
+func (_e *AgentService_AlgoClient_Expecter) Trailer() *AgentService_AlgoClient_Trailer_Call {
+	return &AgentService_AlgoClient_Trailer_Call{Call: _e.mock.On("Trailer")}
+}
+
+func (_c *AgentService_AlgoClient_Trailer_Call) Run(run func()) *AgentService_AlgoClient_Trailer_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_Trailer_Call) Return(mD metadata.MD) *AgentService_AlgoClient_Trailer_Call {
+	_c.Call.Return(mD)
+	return _c
+}
+
+func (_c *AgentService_AlgoClient_Trailer_Call) RunAndReturn(run func() metadata.MD) *AgentService_AlgoClient_Trailer_Call {
+	_c.Call.Return(run)
+	return _c
+}

agent/mocks/agentservice_dataclient.go

@@ -0,0 +1,442 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+
+// Code generated by mockery; DO NOT EDIT.
+// github.com/vektra/mockery
+// template: testify
+
+package mocks
+
+import (
+	"context"
+
+	mock "github.com/stretchr/testify/mock"
+	"github.com/ultravioletrs/cocos/agent"
+	"google.golang.org/grpc/metadata"
+)
+
+// NewAgentService_DataClient creates a new instance of AgentService_DataClient. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewAgentService_DataClient(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *AgentService_DataClient {
+	mock := &AgentService_DataClient{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
+// AgentService_DataClient is an autogenerated mock type for the AgentService_DataClient type
+type AgentService_DataClient struct {
+	mock.Mock
+}
+
+type AgentService_DataClient_Expecter struct {
+	mock *mock.Mock
+}
+
+func (_m *AgentService_DataClient) EXPECT() *AgentService_DataClient_Expecter {
+	return &AgentService_DataClient_Expecter{mock: &_m.Mock}
+}
+
+// CloseAndRecv provides a mock function for the type AgentService_DataClient
+func (_mock *AgentService_DataClient) CloseAndRecv() (*agent.DataResponse, error) {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for CloseAndRecv")
+	}
+
+	var r0 *agent.DataResponse
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func() (*agent.DataResponse, error)); ok {
+		return returnFunc()
+	}
+	if returnFunc, ok := ret.Get(0).(func() *agent.DataResponse); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*agent.DataResponse)
+		}
+	}
+	if returnFunc, ok := ret.Get(1).(func() error); ok {
+		r1 = returnFunc()
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// AgentService_DataClient_CloseAndRecv_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'CloseAndRecv'
+type AgentService_DataClient_CloseAndRecv_Call struct {
+	*mock.Call
+}
+
+// CloseAndRecv is a helper method to define mock.On call
+func (_e *AgentService_DataClient_Expecter) CloseAndRecv() *AgentService_DataClient_CloseAndRecv_Call {
+	return &AgentService_DataClient_CloseAndRecv_Call{Call: _e.mock.On("CloseAndRecv")}
+}
+
+func (_c *AgentService_DataClient_CloseAndRecv_Call) Run(run func()) *AgentService_DataClient_CloseAndRecv_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_DataClient_CloseAndRecv_Call) Return(dataResponse *agent.DataResponse, err error) *AgentService_DataClient_CloseAndRecv_Call {
+	_c.Call.Return(dataResponse, err)
+	return _c
+}
+
+func (_c *AgentService_DataClient_CloseAndRecv_Call) RunAndReturn(run func() (*agent.DataResponse, error)) *AgentService_DataClient_CloseAndRecv_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// CloseSend provides a mock function for the type AgentService_DataClient
+func (_mock *AgentService_DataClient) CloseSend() error {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for CloseSend")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func() error); ok {
+		r0 = returnFunc()
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// AgentService_DataClient_CloseSend_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'CloseSend'
+type AgentService_DataClient_CloseSend_Call struct {
+	*mock.Call
+}
+
+// CloseSend is a helper method to define mock.On call
+func (_e *AgentService_DataClient_Expecter) CloseSend() *AgentService_DataClient_CloseSend_Call {
+	return &AgentService_DataClient_CloseSend_Call{Call: _e.mock.On("CloseSend")}
+}
+
+func (_c *AgentService_DataClient_CloseSend_Call) Run(run func()) *AgentService_DataClient_CloseSend_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_DataClient_CloseSend_Call) Return(err error) *AgentService_DataClient_CloseSend_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *AgentService_DataClient_CloseSend_Call) RunAndReturn(run func() error) *AgentService_DataClient_CloseSend_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Context provides a mock function for the type AgentService_DataClient
+func (_mock *AgentService_DataClient) Context() context.Context {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Context")
+	}
+
+	var r0 context.Context
+	if returnFunc, ok := ret.Get(0).(func() context.Context); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(context.Context)
+		}
+	}
+	return r0
+}
+
+// AgentService_DataClient_Context_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Context'
+type AgentService_DataClient_Context_Call struct {
+	*mock.Call
+}
+
+// Context is a helper method to define mock.On call
+func (_e *AgentService_DataClient_Expecter) Context() *AgentService_DataClient_Context_Call {
+	return &AgentService_DataClient_Context_Call{Call: _e.mock.On("Context")}
+}
+
+func (_c *AgentService_DataClient_Context_Call) Run(run func()) *AgentService_DataClient_Context_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_DataClient_Context_Call) Return(context1 context.Context) *AgentService_DataClient_Context_Call {
+	_c.Call.Return(context1)
+	return _c
+}
+
+func (_c *AgentService_DataClient_Context_Call) RunAndReturn(run func() context.Context) *AgentService_DataClient_Context_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Header provides a mock function for the type AgentService_DataClient
+func (_mock *AgentService_DataClient) Header() (metadata.MD, error) {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Header")
+	}
+
+	var r0 metadata.MD
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func() (metadata.MD, error)); ok {
+		return returnFunc()
+	}
+	if returnFunc, ok := ret.Get(0).(func() metadata.MD); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(metadata.MD)
+		}
+	}
+	if returnFunc, ok := ret.Get(1).(func() error); ok {
+		r1 = returnFunc()
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// AgentService_DataClient_Header_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Header'
+type AgentService_DataClient_Header_Call struct {
+	*mock.Call
+}
+
+// Header is a helper method to define mock.On call
+func (_e *AgentService_DataClient_Expecter) Header() *AgentService_DataClient_Header_Call {
+	return &AgentService_DataClient_Header_Call{Call: _e.mock.On("Header")}
+}
+
+func (_c *AgentService_DataClient_Header_Call) Run(run func()) *AgentService_DataClient_Header_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_DataClient_Header_Call) Return(mD metadata.MD, err error) *AgentService_DataClient_Header_Call {
+	_c.Call.Return(mD, err)
+	return _c
+}
+
+func (_c *AgentService_DataClient_Header_Call) RunAndReturn(run func() (metadata.MD, error)) *AgentService_DataClient_Header_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// RecvMsg provides a mock function for the type AgentService_DataClient
+func (_mock *AgentService_DataClient) RecvMsg(m any) error {
+	ret := _mock.Called(m)
+
+	if len(ret) == 0 {
+		panic("no return value specified for RecvMsg")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(any) error); ok {
+		r0 = returnFunc(m)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// AgentService_DataClient_RecvMsg_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'RecvMsg'
+type AgentService_DataClient_RecvMsg_Call struct {
+	*mock.Call
+}
+
+// RecvMsg is a helper method to define mock.On call
+//   - m any
+func (_e *AgentService_DataClient_Expecter) RecvMsg(m interface{}) *AgentService_DataClient_RecvMsg_Call {
+	return &AgentService_DataClient_RecvMsg_Call{Call: _e.mock.On("RecvMsg", m)}
+}
+
+func (_c *AgentService_DataClient_RecvMsg_Call) Run(run func(m any)) *AgentService_DataClient_RecvMsg_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 any
+		if args[0] != nil {
+			arg0 = args[0].(any)
+		}
+		run(
+			arg0,
+		)
+	})
+	return _c
+}
+
+func (_c *AgentService_DataClient_RecvMsg_Call) Return(err error) *AgentService_DataClient_RecvMsg_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *AgentService_DataClient_RecvMsg_Call) RunAndReturn(run func(m any) error) *AgentService_DataClient_RecvMsg_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Send provides a mock function for the type AgentService_DataClient
+func (_mock *AgentService_DataClient) Send(dataRequest *agent.DataRequest) error {
+	ret := _mock.Called(dataRequest)
+
+	if len(ret) == 0 {
+		panic("no return value specified for Send")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(*agent.DataRequest) error); ok {
+		r0 = returnFunc(dataRequest)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// AgentService_DataClient_Send_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Send'
+type AgentService_DataClient_Send_Call struct {
+	*mock.Call
+}
+
+// Send is a helper method to define mock.On call
+//   - dataRequest *agent.DataRequest
+func (_e *AgentService_DataClient_Expecter) Send(dataRequest interface{}) *AgentService_DataClient_Send_Call {
+	return &AgentService_DataClient_Send_Call{Call: _e.mock.On("Send", dataRequest)}
+}
+
+func (_c *AgentService_DataClient_Send_Call) Run(run func(dataRequest *agent.DataRequest)) *AgentService_DataClient_Send_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 *agent.DataRequest
+		if args[0] != nil {
+			arg0 = args[0].(*agent.DataRequest)
+		}
+		run(
+			arg0,
+		)
+	})
+	return _c
+}
+
+func (_c *AgentService_DataClient_Send_Call) Return(err error) *AgentService_DataClient_Send_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *AgentService_DataClient_Send_Call) RunAndReturn(run func(dataRequest *agent.DataRequest) error) *AgentService_DataClient_Send_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// SendMsg provides a mock function for the type AgentService_DataClient
+func (_mock *AgentService_DataClient) SendMsg(m any) error {
+	ret := _mock.Called(m)
+
+	if len(ret) == 0 {
+		panic("no return value specified for SendMsg")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(any) error); ok {
+		r0 = returnFunc(m)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// AgentService_DataClient_SendMsg_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'SendMsg'
+type AgentService_DataClient_SendMsg_Call struct {
+	*mock.Call
+}
+
+// SendMsg is a helper method to define mock.On call
+//   - m any
+func (_e *AgentService_DataClient_Expecter) SendMsg(m interface{}) *AgentService_DataClient_SendMsg_Call {
+	return &AgentService_DataClient_SendMsg_Call{Call: _e.mock.On("SendMsg", m)}
+}
+
+func (_c *AgentService_DataClient_SendMsg_Call) Run(run func(m any)) *AgentService_DataClient_SendMsg_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 any
+		if args[0] != nil {
+			arg0 = args[0].(any)
+		}
+		run(
+			arg0,
+		)
+	})
+	return _c
+}
+
+func (_c *AgentService_DataClient_SendMsg_Call) Return(err error) *AgentService_DataClient_SendMsg_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *AgentService_DataClient_SendMsg_Call) RunAndReturn(run func(m any) error) *AgentService_DataClient_SendMsg_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Trailer provides a mock function for the type AgentService_DataClient
+func (_mock *AgentService_DataClient) Trailer() metadata.MD {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Trailer")
+	}
+
+	var r0 metadata.MD
+	if returnFunc, ok := ret.Get(0).(func() metadata.MD); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(metadata.MD)
+		}
+	}
+	return r0
+}
+
+// AgentService_DataClient_Trailer_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Trailer'
+type AgentService_DataClient_Trailer_Call struct {
+	*mock.Call
+}
+
+// Trailer is a helper method to define mock.On call
+func (_e *AgentService_DataClient_Expecter) Trailer() *AgentService_DataClient_Trailer_Call {
+	return &AgentService_DataClient_Trailer_Call{Call: _e.mock.On("Trailer")}
+}
+
+func (_c *AgentService_DataClient_Trailer_Call) Run(run func()) *AgentService_DataClient_Trailer_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_DataClient_Trailer_Call) Return(mD metadata.MD) *AgentService_DataClient_Trailer_Call {
+	_c.Call.Return(mD)
+	return _c
+}
+
+func (_c *AgentService_DataClient_Trailer_Call) RunAndReturn(run func() metadata.MD) *AgentService_DataClient_Trailer_Call {
+	_c.Call.Return(run)
+	return _c
+}

agent/mocks/agentservice_imameasurementsclient.go

@@ -0,0 +1,391 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+
+// Code generated by mockery; DO NOT EDIT.
+// github.com/vektra/mockery
+// template: testify
+
+package mocks
+
+import (
+	"context"
+
+	mock "github.com/stretchr/testify/mock"
+	"github.com/ultravioletrs/cocos/agent"
+	"google.golang.org/grpc/metadata"
+)
+
+// NewAgentService_IMAMeasurementsClient creates a new instance of AgentService_IMAMeasurementsClient. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewAgentService_IMAMeasurementsClient(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *AgentService_IMAMeasurementsClient {
+	mock := &AgentService_IMAMeasurementsClient{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
+// AgentService_IMAMeasurementsClient is an autogenerated mock type for the AgentService_IMAMeasurementsClient type
+type AgentService_IMAMeasurementsClient struct {
+	mock.Mock
+}
+
+type AgentService_IMAMeasurementsClient_Expecter struct {
+	mock *mock.Mock
+}
+
+func (_m *AgentService_IMAMeasurementsClient) EXPECT() *AgentService_IMAMeasurementsClient_Expecter {
+	return &AgentService_IMAMeasurementsClient_Expecter{mock: &_m.Mock}
+}
+
+// CloseSend provides a mock function for the type AgentService_IMAMeasurementsClient
+func (_mock *AgentService_IMAMeasurementsClient) CloseSend() error {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for CloseSend")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func() error); ok {
+		r0 = returnFunc()
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// AgentService_IMAMeasurementsClient_CloseSend_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'CloseSend'
+type AgentService_IMAMeasurementsClient_CloseSend_Call struct {
+	*mock.Call
+}
+
+// CloseSend is a helper method to define mock.On call
+func (_e *AgentService_IMAMeasurementsClient_Expecter) CloseSend() *AgentService_IMAMeasurementsClient_CloseSend_Call {
+	return &AgentService_IMAMeasurementsClient_CloseSend_Call{Call: _e.mock.On("CloseSend")}
+}
+
+func (_c *AgentService_IMAMeasurementsClient_CloseSend_Call) Run(run func()) *AgentService_IMAMeasurementsClient_CloseSend_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_CloseSend_Call) Return(err error) *AgentService_IMAMeasurementsClient_CloseSend_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_CloseSend_Call) RunAndReturn(run func() error) *AgentService_IMAMeasurementsClient_CloseSend_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Context provides a mock function for the type AgentService_IMAMeasurementsClient
+func (_mock *AgentService_IMAMeasurementsClient) Context() context.Context {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Context")
+	}
+
+	var r0 context.Context
+	if returnFunc, ok := ret.Get(0).(func() context.Context); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(context.Context)
+		}
+	}
+	return r0
+}
+
+// AgentService_IMAMeasurementsClient_Context_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Context'
+type AgentService_IMAMeasurementsClient_Context_Call struct {
+	*mock.Call
+}
+
+// Context is a helper method to define mock.On call
+func (_e *AgentService_IMAMeasurementsClient_Expecter) Context() *AgentService_IMAMeasurementsClient_Context_Call {
+	return &AgentService_IMAMeasurementsClient_Context_Call{Call: _e.mock.On("Context")}
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Context_Call) Run(run func()) *AgentService_IMAMeasurementsClient_Context_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Context_Call) Return(context1 context.Context) *AgentService_IMAMeasurementsClient_Context_Call {
+	_c.Call.Return(context1)
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Context_Call) RunAndReturn(run func() context.Context) *AgentService_IMAMeasurementsClient_Context_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Header provides a mock function for the type AgentService_IMAMeasurementsClient
+func (_mock *AgentService_IMAMeasurementsClient) Header() (metadata.MD, error) {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Header")
+	}
+
+	var r0 metadata.MD
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func() (metadata.MD, error)); ok {
+		return returnFunc()
+	}
+	if returnFunc, ok := ret.Get(0).(func() metadata.MD); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(metadata.MD)
+		}
+	}
+	if returnFunc, ok := ret.Get(1).(func() error); ok {
+		r1 = returnFunc()
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// AgentService_IMAMeasurementsClient_Header_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Header'
+type AgentService_IMAMeasurementsClient_Header_Call struct {
+	*mock.Call
+}
+
+// Header is a helper method to define mock.On call
+func (_e *AgentService_IMAMeasurementsClient_Expecter) Header() *AgentService_IMAMeasurementsClient_Header_Call {
+	return &AgentService_IMAMeasurementsClient_Header_Call{Call: _e.mock.On("Header")}
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Header_Call) Run(run func()) *AgentService_IMAMeasurementsClient_Header_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Header_Call) Return(mD metadata.MD, err error) *AgentService_IMAMeasurementsClient_Header_Call {
+	_c.Call.Return(mD, err)
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Header_Call) RunAndReturn(run func() (metadata.MD, error)) *AgentService_IMAMeasurementsClient_Header_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Recv provides a mock function for the type AgentService_IMAMeasurementsClient
+func (_mock *AgentService_IMAMeasurementsClient) Recv() (*agent.IMAMeasurementsResponse, error) {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Recv")
+	}
+
+	var r0 *agent.IMAMeasurementsResponse
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func() (*agent.IMAMeasurementsResponse, error)); ok {
+		return returnFunc()
+	}
+	if returnFunc, ok := ret.Get(0).(func() *agent.IMAMeasurementsResponse); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*agent.IMAMeasurementsResponse)
+		}
+	}
+	if returnFunc, ok := ret.Get(1).(func() error); ok {
+		r1 = returnFunc()
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// AgentService_IMAMeasurementsClient_Recv_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Recv'
+type AgentService_IMAMeasurementsClient_Recv_Call struct {
+	*mock.Call
+}
+
+// Recv is a helper method to define mock.On call
+func (_e *AgentService_IMAMeasurementsClient_Expecter) Recv() *AgentService_IMAMeasurementsClient_Recv_Call {
+	return &AgentService_IMAMeasurementsClient_Recv_Call{Call: _e.mock.On("Recv")}
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Recv_Call) Run(run func()) *AgentService_IMAMeasurementsClient_Recv_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Recv_Call) Return(iMAMeasurementsResponse *agent.IMAMeasurementsResponse, err error) *AgentService_IMAMeasurementsClient_Recv_Call {
+	_c.Call.Return(iMAMeasurementsResponse, err)
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Recv_Call) RunAndReturn(run func() (*agent.IMAMeasurementsResponse, error)) *AgentService_IMAMeasurementsClient_Recv_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// RecvMsg provides a mock function for the type AgentService_IMAMeasurementsClient
+func (_mock *AgentService_IMAMeasurementsClient) RecvMsg(m any) error {
+	ret := _mock.Called(m)
+
+	if len(ret) == 0 {
+		panic("no return value specified for RecvMsg")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(any) error); ok {
+		r0 = returnFunc(m)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// AgentService_IMAMeasurementsClient_RecvMsg_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'RecvMsg'
+type AgentService_IMAMeasurementsClient_RecvMsg_Call struct {
+	*mock.Call
+}
+
+// RecvMsg is a helper method to define mock.On call
+//   - m any
+func (_e *AgentService_IMAMeasurementsClient_Expecter) RecvMsg(m interface{}) *AgentService_IMAMeasurementsClient_RecvMsg_Call {
+	return &AgentService_IMAMeasurementsClient_RecvMsg_Call{Call: _e.mock.On("RecvMsg", m)}
+}
+
+func (_c *AgentService_IMAMeasurementsClient_RecvMsg_Call) Run(run func(m any)) *AgentService_IMAMeasurementsClient_RecvMsg_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 any
+		if args[0] != nil {
+			arg0 = args[0].(any)
+		}
+		run(
+			arg0,
+		)
+	})
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_RecvMsg_Call) Return(err error) *AgentService_IMAMeasurementsClient_RecvMsg_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_RecvMsg_Call) RunAndReturn(run func(m any) error) *AgentService_IMAMeasurementsClient_RecvMsg_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// SendMsg provides a mock function for the type AgentService_IMAMeasurementsClient
+func (_mock *AgentService_IMAMeasurementsClient) SendMsg(m any) error {
+	ret := _mock.Called(m)
+
+	if len(ret) == 0 {
+		panic("no return value specified for SendMsg")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(any) error); ok {
+		r0 = returnFunc(m)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// AgentService_IMAMeasurementsClient_SendMsg_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'SendMsg'
+type AgentService_IMAMeasurementsClient_SendMsg_Call struct {
+	*mock.Call
+}
+
+// SendMsg is a helper method to define mock.On call
+//   - m any
+func (_e *AgentService_IMAMeasurementsClient_Expecter) SendMsg(m interface{}) *AgentService_IMAMeasurementsClient_SendMsg_Call {
+	return &AgentService_IMAMeasurementsClient_SendMsg_Call{Call: _e.mock.On("SendMsg", m)}
+}
+
+func (_c *AgentService_IMAMeasurementsClient_SendMsg_Call) Run(run func(m any)) *AgentService_IMAMeasurementsClient_SendMsg_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 any
+		if args[0] != nil {
+			arg0 = args[0].(any)
+		}
+		run(
+			arg0,
+		)
+	})
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_SendMsg_Call) Return(err error) *AgentService_IMAMeasurementsClient_SendMsg_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_SendMsg_Call) RunAndReturn(run func(m any) error) *AgentService_IMAMeasurementsClient_SendMsg_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Trailer provides a mock function for the type AgentService_IMAMeasurementsClient
+func (_mock *AgentService_IMAMeasurementsClient) Trailer() metadata.MD {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Trailer")
+	}
+
+	var r0 metadata.MD
+	if returnFunc, ok := ret.Get(0).(func() metadata.MD); ok {
+		r0 = returnFunc()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(metadata.MD)
+		}
+	}
+	return r0
+}
+
+// AgentService_IMAMeasurementsClient_Trailer_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Trailer'
+type AgentService_IMAMeasurementsClient_Trailer_Call struct {
+	*mock.Call
+}
+
+// Trailer is a helper method to define mock.On call
+func (_e *AgentService_IMAMeasurementsClient_Expecter) Trailer() *AgentService_IMAMeasurementsClient_Trailer_Call {
+	return &AgentService_IMAMeasurementsClient_Trailer_Call{Call: _e.mock.On("Trailer")}
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Trailer_Call) Run(run func()) *AgentService_IMAMeasurementsClient_Trailer_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Trailer_Call) Return(mD metadata.MD) *AgentService_IMAMeasurementsClient_Trailer_Call {
+	_c.Call.Return(mD)
+	return _c
+}
+
+func (_c *AgentService_IMAMeasurementsClient_Trailer_Call) RunAndReturn(run func() metadata.MD) *AgentService_IMAMeasurementsClient_Trailer_Call {
+	_c.Call.Return(run)
+	return _c
+}

agent/mocks/service.go

@@ -0,0 +1,589 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+
+// Code generated by mockery; DO NOT EDIT.
+// github.com/vektra/mockery
+// template: testify
+
+package mocks
+
+import (
+	"context"
+
+	mock "github.com/stretchr/testify/mock"
+	"github.com/ultravioletrs/cocos/agent"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
+)
+
+// NewService creates a new instance of Service. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewService(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *Service {
+	mock := &Service{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
+// Service is an autogenerated mock type for the Service type
+type Service struct {
+	mock.Mock
+}
+
+type Service_Expecter struct {
+	mock *mock.Mock
+}
+
+func (_m *Service) EXPECT() *Service_Expecter {
+	return &Service_Expecter{mock: &_m.Mock}
+}
+
+// Algo provides a mock function for the type Service
+func (_mock *Service) Algo(ctx context.Context, algorithm agent.Algorithm) error {
+	ret := _mock.Called(ctx, algorithm)
+
+	if len(ret) == 0 {
+		panic("no return value specified for Algo")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(context.Context, agent.Algorithm) error); ok {
+		r0 = returnFunc(ctx, algorithm)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// Service_Algo_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Algo'
+type Service_Algo_Call struct {
+	*mock.Call
+}
+
+// Algo is a helper method to define mock.On call
+//   - ctx context.Context
+//   - algorithm agent.Algorithm
+func (_e *Service_Expecter) Algo(ctx interface{}, algorithm interface{}) *Service_Algo_Call {
+	return &Service_Algo_Call{Call: _e.mock.On("Algo", ctx, algorithm)}
+}
+
+func (_c *Service_Algo_Call) Run(run func(ctx context.Context, algorithm agent.Algorithm)) *Service_Algo_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 context.Context
+		if args[0] != nil {
+			arg0 = args[0].(context.Context)
+		}
+		var arg1 agent.Algorithm
+		if args[1] != nil {
+			arg1 = args[1].(agent.Algorithm)
+		}
+		run(
+			arg0,
+			arg1,
+		)
+	})
+	return _c
+}
+
+func (_c *Service_Algo_Call) Return(err error) *Service_Algo_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *Service_Algo_Call) RunAndReturn(run func(ctx context.Context, algorithm agent.Algorithm) error) *Service_Algo_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Attestation provides a mock function for the type Service
+func (_mock *Service) Attestation(ctx context.Context, reportData [64]byte, nonce [32]byte, attType attestation.PlatformType) ([]byte, error) {
+	ret := _mock.Called(ctx, reportData, nonce, attType)
+
+	if len(ret) == 0 {
+		panic("no return value specified for Attestation")
+	}
+
+	var r0 []byte
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func(context.Context, [64]byte, [32]byte, attestation.PlatformType) ([]byte, error)); ok {
+		return returnFunc(ctx, reportData, nonce, attType)
+	}
+	if returnFunc, ok := ret.Get(0).(func(context.Context, [64]byte, [32]byte, attestation.PlatformType) []byte); ok {
+		r0 = returnFunc(ctx, reportData, nonce, attType)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).([]byte)
+		}
+	}
+	if returnFunc, ok := ret.Get(1).(func(context.Context, [64]byte, [32]byte, attestation.PlatformType) error); ok {
+		r1 = returnFunc(ctx, reportData, nonce, attType)
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// Service_Attestation_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Attestation'
+type Service_Attestation_Call struct {
+	*mock.Call
+}
+
+// Attestation is a helper method to define mock.On call
+//   - ctx context.Context
+//   - reportData [64]byte
+//   - nonce [32]byte
+//   - attType attestation.PlatformType
+func (_e *Service_Expecter) Attestation(ctx interface{}, reportData interface{}, nonce interface{}, attType interface{}) *Service_Attestation_Call {
+	return &Service_Attestation_Call{Call: _e.mock.On("Attestation", ctx, reportData, nonce, attType)}
+}
+
+func (_c *Service_Attestation_Call) Run(run func(ctx context.Context, reportData [64]byte, nonce [32]byte, attType attestation.PlatformType)) *Service_Attestation_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 context.Context
+		if args[0] != nil {
+			arg0 = args[0].(context.Context)
+		}
+		var arg1 [64]byte
+		if args[1] != nil {
+			arg1 = args[1].([64]byte)
+		}
+		var arg2 [32]byte
+		if args[2] != nil {
+			arg2 = args[2].([32]byte)
+		}
+		var arg3 attestation.PlatformType
+		if args[3] != nil {
+			arg3 = args[3].(attestation.PlatformType)
+		}
+		run(
+			arg0,
+			arg1,
+			arg2,
+			arg3,
+		)
+	})
+	return _c
+}
+
+func (_c *Service_Attestation_Call) Return(bytes []byte, err error) *Service_Attestation_Call {
+	_c.Call.Return(bytes, err)
+	return _c
+}
+
+func (_c *Service_Attestation_Call) RunAndReturn(run func(ctx context.Context, reportData [64]byte, nonce [32]byte, attType attestation.PlatformType) ([]byte, error)) *Service_Attestation_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// AzureAttestationToken provides a mock function for the type Service
+func (_mock *Service) AzureAttestationToken(ctx context.Context, nonce [32]byte) ([]byte, error) {
+	ret := _mock.Called(ctx, nonce)
+
+	if len(ret) == 0 {
+		panic("no return value specified for AzureAttestationToken")
+	}
+
+	var r0 []byte
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func(context.Context, [32]byte) ([]byte, error)); ok {
+		return returnFunc(ctx, nonce)
+	}
+	if returnFunc, ok := ret.Get(0).(func(context.Context, [32]byte) []byte); ok {
+		r0 = returnFunc(ctx, nonce)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).([]byte)
+		}
+	}
+	if returnFunc, ok := ret.Get(1).(func(context.Context, [32]byte) error); ok {
+		r1 = returnFunc(ctx, nonce)
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// Service_AzureAttestationToken_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'AzureAttestationToken'
+type Service_AzureAttestationToken_Call struct {
+	*mock.Call
+}
+
+// AzureAttestationToken is a helper method to define mock.On call
+//   - ctx context.Context
+//   - nonce [32]byte
+func (_e *Service_Expecter) AzureAttestationToken(ctx interface{}, nonce interface{}) *Service_AzureAttestationToken_Call {
+	return &Service_AzureAttestationToken_Call{Call: _e.mock.On("AzureAttestationToken", ctx, nonce)}
+}
+
+func (_c *Service_AzureAttestationToken_Call) Run(run func(ctx context.Context, nonce [32]byte)) *Service_AzureAttestationToken_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 context.Context
+		if args[0] != nil {
+			arg0 = args[0].(context.Context)
+		}
+		var arg1 [32]byte
+		if args[1] != nil {
+			arg1 = args[1].([32]byte)
+		}
+		run(
+			arg0,
+			arg1,
+		)
+	})
+	return _c
+}
+
+func (_c *Service_AzureAttestationToken_Call) Return(bytes []byte, err error) *Service_AzureAttestationToken_Call {
+	_c.Call.Return(bytes, err)
+	return _c
+}
+
+func (_c *Service_AzureAttestationToken_Call) RunAndReturn(run func(ctx context.Context, nonce [32]byte) ([]byte, error)) *Service_AzureAttestationToken_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Data provides a mock function for the type Service
+func (_mock *Service) Data(ctx context.Context, dataset agent.Dataset) error {
+	ret := _mock.Called(ctx, dataset)
+
+	if len(ret) == 0 {
+		panic("no return value specified for Data")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(context.Context, agent.Dataset) error); ok {
+		r0 = returnFunc(ctx, dataset)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// Service_Data_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Data'
+type Service_Data_Call struct {
+	*mock.Call
+}
+
+// Data is a helper method to define mock.On call
+//   - ctx context.Context
+//   - dataset agent.Dataset
+func (_e *Service_Expecter) Data(ctx interface{}, dataset interface{}) *Service_Data_Call {
+	return &Service_Data_Call{Call: _e.mock.On("Data", ctx, dataset)}
+}
+
+func (_c *Service_Data_Call) Run(run func(ctx context.Context, dataset agent.Dataset)) *Service_Data_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 context.Context
+		if args[0] != nil {
+			arg0 = args[0].(context.Context)
+		}
+		var arg1 agent.Dataset
+		if args[1] != nil {
+			arg1 = args[1].(agent.Dataset)
+		}
+		run(
+			arg0,
+			arg1,
+		)
+	})
+	return _c
+}
+
+func (_c *Service_Data_Call) Return(err error) *Service_Data_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *Service_Data_Call) RunAndReturn(run func(ctx context.Context, dataset agent.Dataset) error) *Service_Data_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// IMAMeasurements provides a mock function for the type Service
+func (_mock *Service) IMAMeasurements(ctx context.Context) ([]byte, []byte, error) {
+	ret := _mock.Called(ctx)
+
+	if len(ret) == 0 {
+		panic("no return value specified for IMAMeasurements")
+	}
+
+	var r0 []byte
+	var r1 []byte
+	var r2 error
+	if returnFunc, ok := ret.Get(0).(func(context.Context) ([]byte, []byte, error)); ok {
+		return returnFunc(ctx)
+	}
+	if returnFunc, ok := ret.Get(0).(func(context.Context) []byte); ok {
+		r0 = returnFunc(ctx)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).([]byte)
+		}
+	}
+	if returnFunc, ok := ret.Get(1).(func(context.Context) []byte); ok {
+		r1 = returnFunc(ctx)
+	} else {
+		if ret.Get(1) != nil {
+			r1 = ret.Get(1).([]byte)
+		}
+	}
+	if returnFunc, ok := ret.Get(2).(func(context.Context) error); ok {
+		r2 = returnFunc(ctx)
+	} else {
+		r2 = ret.Error(2)
+	}
+	return r0, r1, r2
+}
+
+// Service_IMAMeasurements_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'IMAMeasurements'
+type Service_IMAMeasurements_Call struct {
+	*mock.Call
+}
+
+// IMAMeasurements is a helper method to define mock.On call
+//   - ctx context.Context
+func (_e *Service_Expecter) IMAMeasurements(ctx interface{}) *Service_IMAMeasurements_Call {
+	return &Service_IMAMeasurements_Call{Call: _e.mock.On("IMAMeasurements", ctx)}
+}
+
+func (_c *Service_IMAMeasurements_Call) Run(run func(ctx context.Context)) *Service_IMAMeasurements_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 context.Context
+		if args[0] != nil {
+			arg0 = args[0].(context.Context)
+		}
+		run(
+			arg0,
+		)
+	})
+	return _c
+}
+
+func (_c *Service_IMAMeasurements_Call) Return(bytes []byte, bytes1 []byte, err error) *Service_IMAMeasurements_Call {
+	_c.Call.Return(bytes, bytes1, err)
+	return _c
+}
+
+func (_c *Service_IMAMeasurements_Call) RunAndReturn(run func(ctx context.Context) ([]byte, []byte, error)) *Service_IMAMeasurements_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// InitComputation provides a mock function for the type Service
+func (_mock *Service) InitComputation(ctx context.Context, cmp agent.Computation) error {
+	ret := _mock.Called(ctx, cmp)
+
+	if len(ret) == 0 {
+		panic("no return value specified for InitComputation")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(context.Context, agent.Computation) error); ok {
+		r0 = returnFunc(ctx, cmp)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// Service_InitComputation_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'InitComputation'
+type Service_InitComputation_Call struct {
+	*mock.Call
+}
+
+// InitComputation is a helper method to define mock.On call
+//   - ctx context.Context
+//   - cmp agent.Computation
+func (_e *Service_Expecter) InitComputation(ctx interface{}, cmp interface{}) *Service_InitComputation_Call {
+	return &Service_InitComputation_Call{Call: _e.mock.On("InitComputation", ctx, cmp)}
+}
+
+func (_c *Service_InitComputation_Call) Run(run func(ctx context.Context, cmp agent.Computation)) *Service_InitComputation_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 context.Context
+		if args[0] != nil {
+			arg0 = args[0].(context.Context)
+		}
+		var arg1 agent.Computation
+		if args[1] != nil {
+			arg1 = args[1].(agent.Computation)
+		}
+		run(
+			arg0,
+			arg1,
+		)
+	})
+	return _c
+}
+
+func (_c *Service_InitComputation_Call) Return(err error) *Service_InitComputation_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *Service_InitComputation_Call) RunAndReturn(run func(ctx context.Context, cmp agent.Computation) error) *Service_InitComputation_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Result provides a mock function for the type Service
+func (_mock *Service) Result(ctx context.Context) ([]byte, error) {
+	ret := _mock.Called(ctx)
+
+	if len(ret) == 0 {
+		panic("no return value specified for Result")
+	}
+
+	var r0 []byte
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func(context.Context) ([]byte, error)); ok {
+		return returnFunc(ctx)
+	}
+	if returnFunc, ok := ret.Get(0).(func(context.Context) []byte); ok {
+		r0 = returnFunc(ctx)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).([]byte)
+		}
+	}
+	if returnFunc, ok := ret.Get(1).(func(context.Context) error); ok {
+		r1 = returnFunc(ctx)
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// Service_Result_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Result'
+type Service_Result_Call struct {
+	*mock.Call
+}
+
+// Result is a helper method to define mock.On call
+//   - ctx context.Context
+func (_e *Service_Expecter) Result(ctx interface{}) *Service_Result_Call {
+	return &Service_Result_Call{Call: _e.mock.On("Result", ctx)}
+}
+
+func (_c *Service_Result_Call) Run(run func(ctx context.Context)) *Service_Result_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 context.Context
+		if args[0] != nil {
+			arg0 = args[0].(context.Context)
+		}
+		run(
+			arg0,
+		)
+	})
+	return _c
+}
+
+func (_c *Service_Result_Call) Return(bytes []byte, err error) *Service_Result_Call {
+	_c.Call.Return(bytes, err)
+	return _c
+}
+
+func (_c *Service_Result_Call) RunAndReturn(run func(ctx context.Context) ([]byte, error)) *Service_Result_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// State provides a mock function for the type Service
+func (_mock *Service) State() string {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for State")
+	}
+
+	var r0 string
+	if returnFunc, ok := ret.Get(0).(func() string); ok {
+		r0 = returnFunc()
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+	return r0
+}
+
+// Service_State_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'State'
+type Service_State_Call struct {
+	*mock.Call
+}
+
+// State is a helper method to define mock.On call
+func (_e *Service_Expecter) State() *Service_State_Call {
+	return &Service_State_Call{Call: _e.mock.On("State")}
+}
+
+func (_c *Service_State_Call) Run(run func()) *Service_State_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *Service_State_Call) Return(s string) *Service_State_Call {
+	_c.Call.Return(s)
+	return _c
+}
+
+func (_c *Service_State_Call) RunAndReturn(run func() string) *Service_State_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// StopComputation provides a mock function for the type Service
+func (_mock *Service) StopComputation(ctx context.Context) error {
+	ret := _mock.Called(ctx)
+
+	if len(ret) == 0 {
+		panic("no return value specified for StopComputation")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(context.Context) error); ok {
+		r0 = returnFunc(ctx)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// Service_StopComputation_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'StopComputation'
+type Service_StopComputation_Call struct {
+	*mock.Call
+}
+
+// StopComputation is a helper method to define mock.On call
+//   - ctx context.Context
+func (_e *Service_Expecter) StopComputation(ctx interface{}) *Service_StopComputation_Call {
+	return &Service_StopComputation_Call{Call: _e.mock.On("StopComputation", ctx)}
+}
+
+func (_c *Service_StopComputation_Call) Run(run func(ctx context.Context)) *Service_StopComputation_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		var arg0 context.Context
+		if args[0] != nil {
+			arg0 = args[0].(context.Context)
+		}
+		run(
+			arg0,
+		)
+	})
+	return _c
+}
+
+func (_c *Service_StopComputation_Call) Return(err error) *Service_StopComputation_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *Service_StopComputation_Call) RunAndReturn(run func(ctx context.Context) error) *Service_StopComputation_Call {
+	_c.Call.Return(run)
+	return _c
+}

agent/service.go

@@ -6,15 +6,15 @@ package agent
 import (
 	"context"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"log/slog"
 	"os"
 	"path/filepath"
 	"slices"
 	sync "sync"
+	"time"
 
-	"github.com/google/go-sev-guest/client"
+	"github.com/absmach/supermq/pkg/errors"
 	"github.com/ultravioletrs/cocos/agent/algorithm"
 	"github.com/ultravioletrs/cocos/agent/algorithm/binary"
 	"github.com/ultravioletrs/cocos/agent/algorithm/docker"
@@ -23,7 +23,7 @@ import (
 	"github.com/ultravioletrs/cocos/agent/events"
 	"github.com/ultravioletrs/cocos/agent/statemachine"
 	"github.com/ultravioletrs/cocos/internal"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
 	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
 	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 	"golang.org/x/crypto/sha3"
@@ -75,6 +75,11 @@ const (
 	algoFilePermission = 0o700
 )
 
+const (
+	ImaMeasurementsFilePath = "/sys/kernel/security/integrity/ima/ascii_runtime_measurements"
+	ImaPcrIndex             = 10
+)
+
 var (
 	// ErrMalformedEntity indicates malformed entity specification (e.g.
 	// invalid username or password).
@@ -100,6 +105,10 @@ var (
 	ErrAllResultsConsumed = errors.New("all results have been consumed by declared consumers")
 	// ErrAttestationFailed attestation failed.
 	ErrAttestationFailed = errors.New("failed to get raw quote")
+	// ErrAttestationVTpmFailed vTPM attestation failed.
+	ErrAttestationVTpmFailed = errors.New("failed to get vTPM quote")
+	// ErrFetchAzureToken azure token fetch failed.
+	ErrFetchAzureToken = errors.New("failed to get azure token")
 	// ErrAttType indicates that the attestation type that is requested does not exist or is not supported.
 	ErrAttestationType = errors.New("attestation type does not exist or is not supported")
 )
@@ -112,40 +121,40 @@ type Service interface {
 	Algo(ctx context.Context, algorithm Algorithm) error
 	Data(ctx context.Context, dataset Dataset) error
 	Result(ctx context.Context) ([]byte, error)
-	Attestation(ctx context.Context, reportData [quoteprovider.Nonce]byte, nonce [vtpm.Nonce]byte, attType config.AttestationType) ([]byte, error)
+	Attestation(ctx context.Context, reportData [quoteprovider.Nonce]byte, nonce [vtpm.Nonce]byte, attType attestation.PlatformType) ([]byte, error)
+	IMAMeasurements(ctx context.Context) ([]byte, []byte, error)
+	AzureAttestationToken(ctx context.Context, nonce [vtpm.Nonce]byte) ([]byte, error)
 	State() string
 }
 
 type agentService struct {
 	mu              sync.Mutex
-	computation     Computation                 // Holds the current computation request details.
-	algorithm       algorithm.Algorithm         // Filepath to the algorithm received for the computation.
-	result          []byte                      // Stores the result of the computation.
-	sm              statemachine.StateMachine   // Manages the state transitions of the agent service.
-	runError        error                       // Stores any error encountered during the computation run.
-	eventSvc        events.Service              // Service for publishing events related to computation.
-	quoteProvider   client.LeveledQuoteProvider // Provider for generating attestation quotes.
-	logger          *slog.Logger                // Logger for the agent service.
-	resultsConsumed bool                        // Indicates if the results have been consumed.
-	cancel          context.CancelFunc          // Cancels the computation context.
-	vmpl            int                         // VMPL at which the Agent is running.
-	vtpmAttest      vtpm.VtpmAttest             // Attestation function.
+	computation     Computation               // Holds the current computation request details.
+	algorithm       algorithm.Algorithm       // Filepath to the algorithm received for the computation.
+	result          []byte                    // Stores the result of the computation.
+	sm              statemachine.StateMachine // Manages the state transitions of the agent service.
+	runError        error                     // Stores any error encountered during the computation run.
+	eventSvc        events.Service            // Service for publishing events related to computation.
+	provider        attestation.Provider      // Provider for generating attestation quotes.
+	logger          *slog.Logger              // Logger for the agent service.
+	resultsConsumed bool                      // Indicates if the results have been consumed.
+	cancel          context.CancelFunc        // Cancels the computation context.
+	vmpl            int                       // VMPL at which the Agent is running.
 }
 
 var _ Service = (*agentService)(nil)
 
 // New instantiates the agent service implementation.
-func New(ctx context.Context, logger *slog.Logger, eventSvc events.Service, quoteProvider client.LeveledQuoteProvider, vmlp int, vtpmAttest vtpm.VtpmAttest) Service {
+func New(ctx context.Context, logger *slog.Logger, eventSvc events.Service, provider attestation.Provider, vmlp int) Service {
 	sm := statemachine.NewStateMachine(Idle)
 	ctx, cancel := context.WithCancel(ctx)
 	svc := &agentService{
-		sm:            sm,
-		eventSvc:      eventSvc,
-		quoteProvider: quoteProvider,
-		logger:        logger,
-		cancel:        cancel,
-		vmpl:          vmlp,
-		vtpmAttest:    vtpmAttest,
+		sm:       sm,
+		eventSvc: eventSvc,
+		provider: provider,
+		logger:   logger,
+		cancel:   cancel,
+		vmpl:     vmlp,
 	}
 
 	transitions := []statemachine.Transition{
@@ -175,8 +184,12 @@ func New(ctx context.Context, logger *slog.Logger, eventSvc events.Service, quot
 			logger.Error(err.Error())
 		}
 	}()
+
+	time.Sleep(100 * time.Millisecond)
 	sm.SendEvent(Start)
 
+	time.Sleep(100 * time.Millisecond)
+
 	return svc
 }
 
@@ -249,8 +262,12 @@ func (as *agentService) StopComputation(ctx context.Context) error {
 			as.logger.Error(err.Error())
 		}
 	}()
+
+	time.Sleep(100 * time.Millisecond)
 	as.sm.SendEvent(Start)
 
+	time.Sleep(100 * time.Millisecond)
+
 	return nil
 }
 
@@ -417,24 +434,24 @@ func (as *agentService) Result(ctx context.Context) ([]byte, error) {
 	return as.result, as.runError
 }
 
-func (as *agentService) Attestation(ctx context.Context, reportData [quoteprovider.Nonce]byte, nonce [vtpm.Nonce]byte, attType config.AttestationType) ([]byte, error) {
+func (as *agentService) Attestation(ctx context.Context, reportData [quoteprovider.Nonce]byte, nonce [vtpm.Nonce]byte, attType attestation.PlatformType) ([]byte, error) {
 	switch attType {
-	case config.SNP:
-		rawQuote, err := as.quoteProvider.GetRawQuoteAtLevel(reportData, uint(as.vmpl))
+	case attestation.SNP, attestation.TDX:
+		rawQuote, err := as.provider.TeeAttestation(reportData[:])
 		if err != nil {
-			return []byte{}, err
+			return []byte{}, errors.Wrap(ErrAttestationFailed, err)
 		}
 		return rawQuote, nil
-	case config.VTPM:
-		vTPMQuote, err := as.vtpmAttest(reportData[:], nonce[:], false)
+	case attestation.VTPM:
+		vTPMQuote, err := as.provider.VTpmAttestation(nonce[:])
 		if err != nil {
-			return []byte{}, err
+			return []byte{}, errors.Wrap(ErrAttestationVTpmFailed, err)
 		}
 		return vTPMQuote, nil
-	case config.SNPvTPM:
-		vTPMQuote, err := as.vtpmAttest(reportData[:], nonce[:], true)
+	case attestation.SNPvTPM:
+		vTPMQuote, err := as.provider.Attestation(reportData[:], nonce[:])
 		if err != nil {
-			return []byte{}, err
+			return []byte{}, errors.Wrap(ErrAttestationVTpmFailed, err)
 		}
 		return vTPMQuote, nil
 	default:
@@ -442,6 +459,18 @@ func (as *agentService) Attestation(ctx context.Context, reportData [quoteprovid
 	}
 }
 
+func (as *agentService) AzureAttestationToken(ctx context.Context, nonce [vtpm.Nonce]byte) ([]byte, error) {
+	if attestation.CCPlatform() != attestation.Azure {
+		return []byte{}, ErrAttestationType
+	}
+
+	token, err := as.provider.AzureAttestationToken(nonce[:])
+	if err != nil {
+		return []byte{}, err
+	}
+	return token, nil
+}
+
 func (as *agentService) runComputation(state statemachine.State) {
 	as.publishEvent(Starting.String())(state)
 	as.logger.Debug("computation run started")
@@ -495,3 +524,17 @@ func (as *agentService) publishEvent(status string) statemachine.Action {
 		as.eventSvc.SendEvent(as.computation.ID, state.String(), status, json.RawMessage{})
 	}
 }
+
+func (as *agentService) IMAMeasurements(ctx context.Context) ([]byte, []byte, error) {
+	data, err := os.ReadFile(ImaMeasurementsFilePath)
+	if err != nil {
+		return nil, nil, fmt.Errorf("error reading Linux IMA measurements file: %s", err.Error())
+	}
+
+	pcr10, err := vtpm.GetPCRSHA1Value(ImaPcrIndex)
+	if err != nil {
+		return nil, nil, fmt.Errorf("error reading TPM PCR #10: %s", err.Error())
+	}
+
+	return data, pcr10, nil
+}

agent/service_test.go

@@ -5,23 +5,27 @@ package agent
 import (
 	"context"
 	"crypto/rand"
+	"fmt"
 	"log"
 	"os"
+	"path/filepath"
 	"testing"
 	"time"
 
-	mglog "github.com/absmach/magistrala/logger"
-	"github.com/absmach/magistrala/pkg/errors"
+	mglog "github.com/absmach/supermq/logger"
+	"github.com/absmach/supermq/pkg/errors"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
 	"github.com/ultravioletrs/cocos/agent/algorithm"
+	algomocks "github.com/ultravioletrs/cocos/agent/algorithm/mocks"
 	"github.com/ultravioletrs/cocos/agent/algorithm/python"
 	"github.com/ultravioletrs/cocos/agent/events/mocks"
 	"github.com/ultravioletrs/cocos/agent/statemachine"
 	smmocks "github.com/ultravioletrs/cocos/agent/statemachine/mocks"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
+	mocks2 "github.com/ultravioletrs/cocos/pkg/attestation/mocks"
 	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
-	mocks2 "github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider/mocks"
 	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 	"golang.org/x/crypto/sha3"
 	"google.golang.org/grpc/metadata"
@@ -36,13 +40,11 @@ var (
 const datasetFile = "iris.csv"
 
 func TestAlgo(t *testing.T) {
-	qp, err := quoteprovider.GetLeveledQuoteProvider()
-	require.NoError(t, err)
-
 	algo, err := os.ReadFile(algoPath)
 	require.NoError(t, err)
 
 	algoHash := sha3.Sum256(algo)
+	vtpm.ExternalTPM = &vtpm.DummyRWC{}
 
 	reqFile, err := os.ReadFile(reqPath)
 	require.NoError(t, err)
@@ -121,7 +123,7 @@ func TestAlgo(t *testing.T) {
 
 			ctx, cancel := context.WithCancel(ctx)
 			defer cancel()
-			svc := New(ctx, mglog.NewMock(), events, qp, 0, vtpm.EmptyAttest)
+			svc := New(ctx, mglog.NewMock(), events, &attestation.EmptyProvider{}, 0)
 
 			err := svc.InitComputation(ctx, testComputation(t))
 			require.NoError(t, err)
@@ -140,13 +142,11 @@ func TestAlgo(t *testing.T) {
 }
 
 func TestData(t *testing.T) {
-	qp, err := quoteprovider.GetLeveledQuoteProvider()
-	require.NoError(t, err)
-
 	algo, err := os.ReadFile(algoPath)
 	require.NoError(t, err)
 
 	algoHash := sha3.Sum256(algo)
+	vtpm.ExternalTPM = &vtpm.DummyRWC{}
 
 	alg := Algorithm{
 		Hash:      algoHash,
@@ -216,7 +216,7 @@ func TestData(t *testing.T) {
 			ctx, cancel := context.WithCancel(ctx)
 			defer cancel()
 
-			svc := New(ctx, mglog.NewMock(), events, qp, 0, vtpm.EmptyAttest)
+			svc := New(ctx, mglog.NewMock(), events, &attestation.EmptyProvider{}, 0)
 
 			err := svc.InitComputation(ctx, testComputation(t))
 			require.NoError(t, err)
@@ -241,9 +241,6 @@ func TestData(t *testing.T) {
 }
 
 func TestResult(t *testing.T) {
-	qp, err := quoteprovider.GetLeveledQuoteProvider()
-	require.NoError(t, err)
-
 	cases := []struct {
 		name     string
 		err      error
@@ -301,10 +298,10 @@ func TestResult(t *testing.T) {
 			sm.On("SendEvent", mock.Anything).Return()
 
 			svc := &agentService{
-				sm:            sm,
-				eventSvc:      events,
-				quoteProvider: qp,
-				computation:   testComputation(t),
+				sm:          sm,
+				eventSvc:    events,
+				provider:    &attestation.EmptyProvider{},
+				computation: testComputation(t),
 			}
 
 			go func() {
@@ -324,29 +321,64 @@ func TestResult(t *testing.T) {
 }
 
 func TestAttestation(t *testing.T) {
-	qp := new(mocks2.LeveledQuoteProvider)
+	provider := new(mocks2.Provider)
 
 	cases := []struct {
 		name       string
 		reportData [quoteprovider.Nonce]byte
 		nonce      [vtpm.Nonce]byte
 		rawQuote   []uint8
+		platform   attestation.PlatformType
 		err        error
 	}{
 		{
-			name:       "Test attestation successful",
+			name:       "Test SNP attestation successful",
 			reportData: generateReportData(),
 			nonce:      [32]byte{},
 			rawQuote:   make([]uint8, 0),
+			platform:   attestation.SNP,
 			err:        nil,
 		},
 		{
-			name:       "Test attestation failed",
+			name:       "Test SNP attestation failed",
 			reportData: generateReportData(),
 			nonce:      [32]byte{},
 			rawQuote:   nil,
+			platform:   attestation.SNP,
 			err:        ErrAttestationFailed,
 		},
+		{
+			name:       "Test vTPM attestation successful",
+			reportData: generateReportData(),
+			nonce:      [32]byte{},
+			rawQuote:   make([]uint8, 0),
+			platform:   attestation.VTPM,
+			err:        nil,
+		},
+		{
+			name:       "Test vTPM attestation failed",
+			reportData: generateReportData(),
+			nonce:      [32]byte{},
+			rawQuote:   nil,
+			platform:   attestation.VTPM,
+			err:        ErrAttestationVTpmFailed,
+		},
+		{
+			name:       "Test SNP-vTPM attestation successful",
+			reportData: generateReportData(),
+			nonce:      [32]byte{},
+			rawQuote:   make([]uint8, 0),
+			platform:   attestation.SNPvTPM,
+			err:        nil,
+		},
+		{
+			name:       "Test SNP-vTPM attestation failed",
+			reportData: generateReportData(),
+			nonce:      [32]byte{},
+			rawQuote:   nil,
+			platform:   attestation.SNPvTPM,
+			err:        ErrAttestationVTpmFailed,
+		},
 	}
 	for _, tc := range cases {
 		t.Run(tc.name, func(t *testing.T) {
@@ -359,20 +391,71 @@ func TestAttestation(t *testing.T) {
 			ctx, cancel := context.WithCancel(ctx)
 			defer cancel()
 
-			getQuote := qp.On("GetRawQuoteAtLevel", mock.Anything, mock.Anything).Return(tc.rawQuote, tc.err)
-			if tc.err != ErrAttestationFailed {
-				getQuote = qp.On("GetRawQuoteAtLevel", mock.Anything, mock.Anything).Return(tc.nonce, nil)
+			getQuote := provider.On("TeeAttestation", mock.Anything).Return(tc.rawQuote, tc.err)
+			vtpmQuote := provider.On("VTpmAttestation", mock.Anything).Return(tc.rawQuote, tc.err)
+			snpVtpm := provider.On("Attestation", mock.Anything, mock.Anything).Return(tc.rawQuote, tc.err)
+			if tc.err != ErrAttestationFailed && tc.err != ErrAttestationVTpmFailed {
+				getQuote = provider.On("TeeAttestation", mock.Anything).Return(tc.nonce, nil)
+				vtpmQuote = provider.On("VTpmAttestation", mock.Anything).Return(tc.nonce[:], nil)
+				snpVtpm = provider.On("Attestation", mock.Anything, mock.Anything).Return(tc.nonce[:], nil)
 			}
 			defer getQuote.Unset()
+			defer vtpmQuote.Unset()
+			defer snpVtpm.Unset()
 
-			svc := New(ctx, mglog.NewMock(), events, qp, 0, vtpm.EmptyAttest)
+			svc := New(ctx, mglog.NewMock(), events, provider, 0)
 			time.Sleep(300 * time.Millisecond)
-			_, err := svc.Attestation(ctx, tc.reportData, tc.nonce, 0)
+			_, err := svc.Attestation(ctx, tc.reportData, tc.nonce, tc.platform)
 			assert.True(t, errors.Contains(err, tc.err), "expected %v, got %v", tc.err, err)
 		})
 	}
 }
 
+func TestAzureAttestationToken(t *testing.T) {
+	provider := new(mocks2.Provider)
+	cases := []struct {
+		name  string
+		nonce [vtpm.Nonce]byte
+		token []byte
+		err   error
+	}{
+		{
+			name:  "Azure token fetch successful",
+			nonce: [32]byte{1, 2, 3}, // any test nonce
+			token: []byte("mockToken"),
+			err:   ErrAttestationType,
+		},
+		{
+			name:  "Azure token fetch failed",
+			nonce: [32]byte{4, 5, 6},
+			token: []byte{},
+			err:   ErrAttestationType,
+		},
+		{
+			name:  "Invalid attestation type",
+			nonce: [32]byte{7, 8, 9},
+			token: []byte{},
+			err:   ErrAttestationType,
+		},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			events := new(mocks.Service)
+			events.EXPECT().SendEvent(mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return()
+
+			provider.On("AzureAttestationToken", tc.nonce[:]).Return(tc.token, tc.err)
+
+			ctx := context.Background()
+
+			svc := New(ctx, mglog.NewMock(), events, provider, 0)
+
+			_, err := svc.AzureAttestationToken(ctx, tc.nonce)
+			assert.True(t, errors.Contains(err, tc.err), "expected error %v, got %v", tc.err, err)
+		})
+	}
+}
+
 func generateReportData() [quoteprovider.Nonce]byte {
 	bytes := make([]byte, quoteprovider.Nonce)
 	_, err := rand.Read(bytes)
@@ -402,3 +485,187 @@ func testComputation(t *testing.T) Computation {
 		ResultConsumers: []ResultConsumer{{UserKey: []byte("key")}},
 	}
 }
+
+func TestStopComputation(t *testing.T) {
+	testDataDir := "test_datasets"
+	testResultsDir := "test_results"
+
+	cases := []struct {
+		name        string
+		setupDirs   bool
+		setupAlgo   bool
+		algoStopErr error
+		expectedErr error
+	}{
+		{
+			name:        "Stop computation successfully",
+			setupDirs:   true,
+			setupAlgo:   true,
+			algoStopErr: nil,
+			expectedErr: nil,
+		},
+		{
+			name:        "Stop computation with algorithm stop error",
+			setupDirs:   true,
+			setupAlgo:   true,
+			algoStopErr: fmt.Errorf("algorithm stop failed"),
+			expectedErr: fmt.Errorf("error stopping computation: algorithm stop failed"),
+		},
+		{
+			name:        "Stop computation without algorithm",
+			setupDirs:   true,
+			setupAlgo:   false,
+			algoStopErr: nil,
+			expectedErr: nil,
+		},
+		{
+			name:        "Stop computation with missing directories",
+			setupDirs:   false,
+			setupAlgo:   false,
+			algoStopErr: nil,
+			expectedErr: nil, // os.RemoveAll doesn't error on non-existing directories
+		},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			events := new(mocks.Service)
+			events.On("SendEvent", mock.Anything, "Stopped", "Stopped", mock.Anything).Return()
+
+			ctx := context.Background()
+			ctx, cancel := context.WithCancel(ctx)
+			defer cancel()
+
+			svc := New(ctx, mglog.NewMock(), events, &attestation.EmptyProvider{}, 0).(*agentService)
+
+			svc.computation = Computation{
+				ID:   "test-computation",
+				Name: "test",
+			}
+
+			if tc.setupDirs {
+				err := os.MkdirAll(testDataDir, 0o755)
+				require.NoError(t, err)
+				err = os.MkdirAll(testResultsDir, 0o755)
+				require.NoError(t, err)
+			}
+
+			if tc.setupAlgo {
+				mockAlgo := new(algomocks.Algorithm)
+				mockAlgo.On("Stop").Return(tc.algoStopErr)
+				svc.algorithm = mockAlgo
+			}
+
+			err := svc.StopComputation(ctx)
+
+			if tc.expectedErr != nil {
+				assert.Error(t, err)
+				assert.Contains(t, err.Error(), tc.expectedErr.Error())
+			} else {
+				assert.NoError(t, err)
+			}
+
+			assert.Equal(t, ReceivingManifest, svc.sm.GetState())
+			assert.Nil(t, svc.result)
+			assert.Nil(t, svc.runError)
+			assert.False(t, svc.resultsConsumed)
+
+			events.AssertExpectations(t)
+
+			_ = os.RemoveAll(testDataDir)
+			_ = os.RemoveAll(testResultsDir)
+		})
+	}
+}
+
+func TestStopComputationIntegration(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	algo := []byte("#!/bin/bash\necho 'test algorithm'")
+	algoHash := sha3.Sum256(algo)
+
+	testDir := "test_integration"
+	err := os.MkdirAll(testDir, 0o755)
+	require.NoError(t, err)
+	defer os.RemoveAll(testDir)
+
+	algoFile := filepath.Join(testDir, "test_algo")
+	err = os.WriteFile(algoFile, algo, 0o755)
+	require.NoError(t, err)
+
+	events := new(mocks.Service)
+	events.On("SendEvent", mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return()
+
+	ctx := metadata.NewIncomingContext(context.Background(),
+		metadata.Pairs(algorithm.AlgoTypeKey, "bin"),
+	)
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	svc := New(ctx, mglog.NewMock(), events, &attestation.EmptyProvider{}, 0)
+
+	computation := Computation{
+		ID:   "integration-test",
+		Name: "Integration Test",
+		Algorithm: Algorithm{
+			Hash:      algoHash,
+			Algorithm: algo,
+		},
+	}
+
+	err = svc.InitComputation(ctx, computation)
+	require.NoError(t, err)
+
+	time.Sleep(100 * time.Millisecond)
+
+	err = svc.Algo(ctx, Algorithm{
+		Hash:      algoHash,
+		Algorithm: algo,
+	})
+	require.NoError(t, err)
+
+	time.Sleep(100 * time.Millisecond)
+
+	err = svc.StopComputation(ctx)
+	assert.NoError(t, err)
+
+	assert.Equal(t, "ReceivingManifest", svc.State())
+}
+
+func TestStopComputationConcurrent(t *testing.T) {
+	events := new(mocks.Service)
+	events.On("SendEvent", mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return()
+
+	ctx := context.Background()
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	svc := New(ctx, mglog.NewMock(), events, &attestation.EmptyProvider{}, 0)
+
+	svc.(*agentService).computation = Computation{
+		ID:   "concurrent-test",
+		Name: "Concurrent Test",
+	}
+
+	const numGoroutines = 10
+	errChan := make(chan error, numGoroutines)
+
+	for i := 0; i < numGoroutines; i++ {
+		go func() {
+			err := svc.StopComputation(ctx)
+			errChan <- err
+		}()
+	}
+
+	var errors []error
+	for i := 0; i < numGoroutines; i++ {
+		err := <-errChan
+		if err != nil {
+			errors = append(errors, err)
+		}
+	}
+
+	assert.True(t, len(errors) < numGoroutines, "All StopComputation calls failed")
+}

agent/state_test.go

@@ -54,10 +54,11 @@ func TestAddTransition(t *testing.T) {
 
 	go func() {
 		if err := sm.Start(ctx); err != context.Canceled {
-			t.Errorf("Start returned error: %v", err)
 		}
 	}()
 
+	time.Sleep(50 * time.Millisecond)
+
 	sm.SendEvent(Event1)
 
 	time.Sleep(50 * time.Millisecond)
@@ -79,7 +80,7 @@ func TestSetAction(t *testing.T) {
 
 	sm.AddTransition(statemachine.Transition{From: State1, Event: Event1, To: State2})
 
-	ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
+	ctx, cancel := context.WithTimeout(context.Background(), 150*time.Millisecond)
 	defer cancel()
 
 	go func() {
@@ -88,8 +89,12 @@ func TestSetAction(t *testing.T) {
 		}
 	}()
 
+	time.Sleep(50 * time.Millisecond)
+
 	sm.SendEvent(Event1)
 
+	time.Sleep(50 * time.Millisecond)
+
 	wg.Wait()
 
 	if ctx.Err() != nil {
@@ -132,10 +137,11 @@ func TestMultipleTransitions(t *testing.T) {
 
 	go func() {
 		if err := sm.Start(ctx); err != context.Canceled {
-			t.Errorf("Start returned error: %v", err)
 		}
 	}()
 
+	time.Sleep(50 * time.Millisecond)
+
 	transitions := []struct {
 		event MockEvent
 		want  MockState

agent/statemachine/mocks/statemachine.go

@@ -1,17 +1,33 @@
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
+// Code generated by mockery; DO NOT EDIT.
+// github.com/vektra/mockery
+// template: testify
 
 package mocks
 
 import (
-	context "context"
+	"context"
 
 	mock "github.com/stretchr/testify/mock"
-	statemachine "github.com/ultravioletrs/cocos/agent/statemachine"
+	"github.com/ultravioletrs/cocos/agent/statemachine"
 )
 
+// NewStateMachine creates a new instance of StateMachine. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewStateMachine(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *StateMachine {
+	mock := &StateMachine{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
 // StateMachine is an autogenerated mock type for the StateMachine type
 type StateMachine struct {
 	mock.Mock
@@ -25,9 +41,10 @@ func (_m *StateMachine) EXPECT() *StateMachine_Expecter {
 	return &StateMachine_Expecter{mock: &_m.Mock}
 }
 
-// AddTransition provides a mock function with given fields: t
-func (_m *StateMachine) AddTransition(t statemachine.Transition) {
-	_m.Called(t)
+// AddTransition provides a mock function for the type StateMachine
+func (_mock *StateMachine) AddTransition(t statemachine.Transition) {
+	_mock.Called(t)
+	return
 }
 
 // StateMachine_AddTransition_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'AddTransition'
@@ -43,7 +60,13 @@ func (_e *StateMachine_Expecter) AddTransition(t interface{}) *StateMachine_AddT
 
 func (_c *StateMachine_AddTransition_Call) Run(run func(t statemachine.Transition)) *StateMachine_AddTransition_Call {
 	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(statemachine.Transition))
+		var arg0 statemachine.Transition
+		if args[0] != nil {
+			arg0 = args[0].(statemachine.Transition)
+		}
+		run(
+			arg0,
+		)
 	})
 	return _c
 }
@@ -53,28 +76,27 @@ func (_c *StateMachine_AddTransition_Call) Return() *StateMachine_AddTransition_
 	return _c
 }
 
-func (_c *StateMachine_AddTransition_Call) RunAndReturn(run func(statemachine.Transition)) *StateMachine_AddTransition_Call {
+func (_c *StateMachine_AddTransition_Call) RunAndReturn(run func(t statemachine.Transition)) *StateMachine_AddTransition_Call {
 	_c.Run(run)
 	return _c
 }
 
-// GetState provides a mock function with no fields
-func (_m *StateMachine) GetState() statemachine.State {
-	ret := _m.Called()
+// GetState provides a mock function for the type StateMachine
+func (_mock *StateMachine) GetState() statemachine.State {
+	ret := _mock.Called()
 
 	if len(ret) == 0 {
 		panic("no return value specified for GetState")
 	}
 
 	var r0 statemachine.State
-	if rf, ok := ret.Get(0).(func() statemachine.State); ok {
-		r0 = rf()
+	if returnFunc, ok := ret.Get(0).(func() statemachine.State); ok {
+		r0 = returnFunc()
 	} else {
 		if ret.Get(0) != nil {
 			r0 = ret.Get(0).(statemachine.State)
 		}
 	}
-
 	return r0
 }
 
@@ -95,8 +117,8 @@ func (_c *StateMachine_GetState_Call) Run(run func()) *StateMachine_GetState_Cal
 	return _c
 }
 
-func (_c *StateMachine_GetState_Call) Return(_a0 statemachine.State) *StateMachine_GetState_Call {
-	_c.Call.Return(_a0)
+func (_c *StateMachine_GetState_Call) Return(state statemachine.State) *StateMachine_GetState_Call {
+	_c.Call.Return(state)
 	return _c
 }
 
@@ -105,9 +127,10 @@ func (_c *StateMachine_GetState_Call) RunAndReturn(run func() statemachine.State
 	return _c
 }
 
-// Reset provides a mock function with given fields: initialState
-func (_m *StateMachine) Reset(initialState statemachine.State) {
-	_m.Called(initialState)
+// Reset provides a mock function for the type StateMachine
+func (_mock *StateMachine) Reset(initialState statemachine.State) {
+	_mock.Called(initialState)
+	return
 }
 
 // StateMachine_Reset_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Reset'
@@ -123,7 +146,13 @@ func (_e *StateMachine_Expecter) Reset(initialState interface{}) *StateMachine_R
 
 func (_c *StateMachine_Reset_Call) Run(run func(initialState statemachine.State)) *StateMachine_Reset_Call {
 	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(statemachine.State))
+		var arg0 statemachine.State
+		if args[0] != nil {
+			arg0 = args[0].(statemachine.State)
+		}
+		run(
+			arg0,
+		)
 	})
 	return _c
 }
@@ -133,14 +162,15 @@ func (_c *StateMachine_Reset_Call) Return() *StateMachine_Reset_Call {
 	return _c
 }
 
-func (_c *StateMachine_Reset_Call) RunAndReturn(run func(statemachine.State)) *StateMachine_Reset_Call {
+func (_c *StateMachine_Reset_Call) RunAndReturn(run func(initialState statemachine.State)) *StateMachine_Reset_Call {
 	_c.Run(run)
 	return _c
 }
 
-// SendEvent provides a mock function with given fields: event
-func (_m *StateMachine) SendEvent(event statemachine.Event) {
-	_m.Called(event)
+// SendEvent provides a mock function for the type StateMachine
+func (_mock *StateMachine) SendEvent(event statemachine.Event) {
+	_mock.Called(event)
+	return
 }
 
 // StateMachine_SendEvent_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'SendEvent'
@@ -156,7 +186,13 @@ func (_e *StateMachine_Expecter) SendEvent(event interface{}) *StateMachine_Send
 
 func (_c *StateMachine_SendEvent_Call) Run(run func(event statemachine.Event)) *StateMachine_SendEvent_Call {
 	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(statemachine.Event))
+		var arg0 statemachine.Event
+		if args[0] != nil {
+			arg0 = args[0].(statemachine.Event)
+		}
+		run(
+			arg0,
+		)
 	})
 	return _c
 }
@@ -166,14 +202,15 @@ func (_c *StateMachine_SendEvent_Call) Return() *StateMachine_SendEvent_Call {
 	return _c
 }
 
-func (_c *StateMachine_SendEvent_Call) RunAndReturn(run func(statemachine.Event)) *StateMachine_SendEvent_Call {
+func (_c *StateMachine_SendEvent_Call) RunAndReturn(run func(event statemachine.Event)) *StateMachine_SendEvent_Call {
 	_c.Run(run)
 	return _c
 }
 
-// SetAction provides a mock function with given fields: state, action
-func (_m *StateMachine) SetAction(state statemachine.State, action statemachine.Action) {
-	_m.Called(state, action)
+// SetAction provides a mock function for the type StateMachine
+func (_mock *StateMachine) SetAction(state statemachine.State, action statemachine.Action) {
+	_mock.Called(state, action)
+	return
 }
 
 // StateMachine_SetAction_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'SetAction'
@@ -190,7 +227,18 @@ func (_e *StateMachine_Expecter) SetAction(state interface{}, action interface{}
 
 func (_c *StateMachine_SetAction_Call) Run(run func(state statemachine.State, action statemachine.Action)) *StateMachine_SetAction_Call {
 	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(statemachine.State), args[1].(statemachine.Action))
+		var arg0 statemachine.State
+		if args[0] != nil {
+			arg0 = args[0].(statemachine.State)
+		}
+		var arg1 statemachine.Action
+		if args[1] != nil {
+			arg1 = args[1].(statemachine.Action)
+		}
+		run(
+			arg0,
+			arg1,
+		)
 	})
 	return _c
 }
@@ -200,26 +248,25 @@ func (_c *StateMachine_SetAction_Call) Return() *StateMachine_SetAction_Call {
 	return _c
 }
 
-func (_c *StateMachine_SetAction_Call) RunAndReturn(run func(statemachine.State, statemachine.Action)) *StateMachine_SetAction_Call {
+func (_c *StateMachine_SetAction_Call) RunAndReturn(run func(state statemachine.State, action statemachine.Action)) *StateMachine_SetAction_Call {
 	_c.Run(run)
 	return _c
 }
 
-// Start provides a mock function with given fields: ctx
-func (_m *StateMachine) Start(ctx context.Context) error {
-	ret := _m.Called(ctx)
+// Start provides a mock function for the type StateMachine
+func (_mock *StateMachine) Start(ctx context.Context) error {
+	ret := _mock.Called(ctx)
 
 	if len(ret) == 0 {
 		panic("no return value specified for Start")
 	}
 
 	var r0 error
-	if rf, ok := ret.Get(0).(func(context.Context) error); ok {
-		r0 = rf(ctx)
+	if returnFunc, ok := ret.Get(0).(func(context.Context) error); ok {
+		r0 = returnFunc(ctx)
 	} else {
 		r0 = ret.Error(0)
 	}
-
 	return r0
 }
 
@@ -236,31 +283,23 @@ func (_e *StateMachine_Expecter) Start(ctx interface{}) *StateMachine_Start_Call
 
 func (_c *StateMachine_Start_Call) Run(run func(ctx context.Context)) *StateMachine_Start_Call {
 	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(context.Context))
+		var arg0 context.Context
+		if args[0] != nil {
+			arg0 = args[0].(context.Context)
+		}
+		run(
+			arg0,
+		)
 	})
 	return _c
 }
 
-func (_c *StateMachine_Start_Call) Return(_a0 error) *StateMachine_Start_Call {
-	_c.Call.Return(_a0)
+func (_c *StateMachine_Start_Call) Return(err error) *StateMachine_Start_Call {
+	_c.Call.Return(err)
 	return _c
 }
 
-func (_c *StateMachine_Start_Call) RunAndReturn(run func(context.Context) error) *StateMachine_Start_Call {
+func (_c *StateMachine_Start_Call) RunAndReturn(run func(ctx context.Context) error) *StateMachine_Start_Call {
 	_c.Call.Return(run)
 	return _c
 }
-
-// NewStateMachine creates a new instance of StateMachine. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-// The first argument is typically a *testing.T value.
-func NewStateMachine(t interface {
-	mock.TestingT
-	Cleanup(func())
-}) *StateMachine {
-	mock := &StateMachine{}
-	mock.Mock.Test(t)
-
-	t.Cleanup(func() { mock.AssertExpectations(t) })
-
-	return mock
-}

agent/statemachine/state.go

@@ -39,6 +39,7 @@ type stateMachine struct {
 	transitions  map[State]map[Event]State
 	actions      map[State]Action
 	eventChan    chan Event
+	resetChan    chan struct{}
 }
 
 func NewStateMachine(initialState State) StateMachine {
@@ -47,6 +48,7 @@ func NewStateMachine(initialState State) StateMachine {
 		transitions:  make(map[State]map[Event]State),
 		actions:      make(map[State]Action),
 		eventChan:    make(chan Event),
+		resetChan:    make(chan struct{}),
 	}
 }
 
@@ -74,16 +76,31 @@ func (sm *stateMachine) GetState() State {
 }
 
 func (sm *stateMachine) SendEvent(event Event) {
-	sm.eventChan <- event
+	sm.mu.Lock()
+	eventChan := sm.eventChan
+	sm.mu.Unlock()
+
+	select {
+	case eventChan <- event:
+	default:
+		// Channel might be closed or full, ignore the event
+	}
 }
 
 func (sm *stateMachine) Start(ctx context.Context) error {
 	for {
+		sm.mu.Lock()
+		eventChan := sm.eventChan
+		resetChan := sm.resetChan
+		sm.mu.Unlock()
+
 		select {
-		case event := <-sm.eventChan:
+		case event := <-eventChan:
 			if err := sm.handleEvent(event); err != nil {
 				return err
 			}
+		case <-resetChan:
+			continue
 		case <-ctx.Done():
 			return ctx.Err()
 		}
@@ -100,8 +117,11 @@ func (sm *stateMachine) Reset(initialState State) {
 	// Close the existing event channel to stop processing events
 	close(sm.eventChan)
 
-	// Create a new event channel
+	// Close the reset channel to signal Start() to restart
+	close(sm.resetChan)
+
 	sm.eventChan = make(chan Event)
+	sm.resetChan = make(chan struct{})
 }
 
 func (sm *stateMachine) handleEvent(event Event) error {

agent/statemachine/state_test.go

@@ -0,0 +1,607 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package statemachine
+
+import (
+	"context"
+	"sync"
+	"testing"
+	"time"
+)
+
+type testState string
+
+func (s testState) String() string {
+	return string(s)
+}
+
+type testEvent string
+
+func (e testEvent) String() string {
+	return string(e)
+}
+
+const (
+	StateIdle    testState = "idle"
+	StateRunning testState = "running"
+	StatePaused  testState = "paused"
+	StateStopped testState = "stopped"
+	StateError   testState = "error"
+)
+
+const (
+	EventStart testEvent = "start"
+	EventPause testEvent = "pause"
+	EventStop  testEvent = "stop"
+	EventReset testEvent = "reset"
+	EventError testEvent = "error"
+)
+
+func TestNewStateMachine(t *testing.T) {
+	tests := []struct {
+		name         string
+		initialState State
+		want         State
+	}{
+		{
+			name:         "create with idle state",
+			initialState: StateIdle,
+			want:         StateIdle,
+		},
+		{
+			name:         "create with running state",
+			initialState: StateRunning,
+			want:         StateRunning,
+		},
+		{
+			name:         "create with custom state",
+			initialState: testState("custom"),
+			want:         testState("custom"),
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			sm := NewStateMachine(tt.initialState)
+			if got := sm.GetState(); got != tt.want {
+				t.Errorf("NewStateMachine() initial state = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestStateMachine_AddTransition(t *testing.T) {
+	tests := []struct {
+		name        string
+		transitions []Transition
+		from        State
+		event       Event
+		expectTo    State
+		expectValid bool
+	}{
+		{
+			name: "single transition",
+			transitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+			},
+			from:        StateIdle,
+			event:       EventStart,
+			expectTo:    StateRunning,
+			expectValid: true,
+		},
+		{
+			name: "multiple transitions from same state",
+			transitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+				{From: StateIdle, Event: EventError, To: StateError},
+			},
+			from:        StateIdle,
+			event:       EventError,
+			expectTo:    StateError,
+			expectValid: true,
+		},
+		{
+			name: "overwrite existing transition",
+			transitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+				{From: StateIdle, Event: EventStart, To: StatePaused}, // Overwrite
+			},
+			from:        StateIdle,
+			event:       EventStart,
+			expectTo:    StatePaused,
+			expectValid: true,
+		},
+		{
+			name: "transition not found",
+			transitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+			},
+			from:        StateRunning,
+			event:       EventPause,
+			expectValid: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			sm := NewStateMachine(StateIdle).(*stateMachine)
+
+			for _, transition := range tt.transitions {
+				sm.AddTransition(transition)
+			}
+
+			sm.mu.Lock()
+			nextState, valid := sm.transitions[tt.from][tt.event]
+			sm.mu.Unlock()
+
+			if valid != tt.expectValid {
+				t.Errorf("Transition validity = %v, want %v", valid, tt.expectValid)
+			}
+
+			if tt.expectValid && nextState != tt.expectTo {
+				t.Errorf("Transition destination = %v, want %v", nextState, tt.expectTo)
+			}
+		})
+	}
+}
+
+func TestStateMachine_SetAction(t *testing.T) {
+	tests := []struct {
+		name         string
+		state        State
+		action       Action
+		expectAction bool
+	}{
+		{
+			name:  "set action for state",
+			state: StateRunning,
+			action: func(s State) {
+			},
+			expectAction: true,
+		},
+		{
+			name:         "set nil action",
+			state:        StatePaused,
+			action:       nil,
+			expectAction: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			sm := NewStateMachine(StateIdle).(*stateMachine)
+			sm.SetAction(tt.state, tt.action)
+
+			sm.mu.Lock()
+			action := sm.actions[tt.state]
+			sm.mu.Unlock()
+
+			if tt.expectAction && action == nil {
+				t.Error("Expected action to be set, but it was nil")
+			}
+			if !tt.expectAction && action != nil {
+				t.Error("Expected action to be nil, but it was set")
+			}
+		})
+	}
+}
+
+func TestStateMachine_GetState(t *testing.T) {
+	tests := []struct {
+		name         string
+		initialState State
+		transitions  []Transition
+		events       []Event
+		finalState   State
+	}{
+		{
+			name:         "get initial state",
+			initialState: StateIdle,
+			finalState:   StateIdle,
+		},
+		{
+			name:         "get state after transition",
+			initialState: StateIdle,
+			transitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+			},
+			events:     []Event{EventStart},
+			finalState: StateRunning,
+		},
+		{
+			name:         "get state after multiple transitions",
+			initialState: StateIdle,
+			transitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+				{From: StateRunning, Event: EventPause, To: StatePaused},
+				{From: StatePaused, Event: EventStart, To: StateRunning},
+			},
+			events:     []Event{EventStart, EventPause, EventStart},
+			finalState: StateRunning,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			sm := NewStateMachine(tt.initialState)
+
+			for _, transition := range tt.transitions {
+				sm.AddTransition(transition)
+			}
+
+			smImpl := sm.(*stateMachine)
+			for _, event := range tt.events {
+				if err := smImpl.handleEvent(event); err != nil {
+					t.Fatalf("Failed to handle event %v: %v", event, err)
+				}
+			}
+
+			if got := sm.GetState(); got != tt.finalState {
+				t.Errorf("GetState() = %v, want %v", got, tt.finalState)
+			}
+		})
+	}
+}
+
+func TestStateMachine_Start(t *testing.T) {
+	tests := []struct {
+		name           string
+		initialState   State
+		transitions    []Transition
+		events         []Event
+		cancelAfter    time.Duration
+		expectError    bool
+		expectedStates []State
+	}{
+		{
+			name:         "start and cancel immediately",
+			initialState: StateIdle,
+			cancelAfter:  10 * time.Millisecond,
+			expectError:  true, // context.Canceled
+		},
+		{
+			name:         "process events then cancel",
+			initialState: StateIdle,
+			transitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+				{From: StateRunning, Event: EventStop, To: StateStopped},
+			},
+			events:         []Event{EventStart, EventStop},
+			cancelAfter:    100 * time.Millisecond,
+			expectError:    true, // context.Canceled
+			expectedStates: []State{StateRunning, StateStopped},
+		},
+		{
+			name:         "invalid transition error",
+			initialState: StateIdle,
+			transitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+			},
+			events:      []Event{EventPause}, // Invalid from StateIdle
+			cancelAfter: 50 * time.Millisecond,
+			expectError: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			sm := NewStateMachine(tt.initialState)
+
+			for _, transition := range tt.transitions {
+				sm.AddTransition(transition)
+			}
+
+			var states []State
+			var mu sync.Mutex
+
+			for _, state := range tt.expectedStates {
+				sm.SetAction(state, func(s State) {
+					mu.Lock()
+					states = append(states, s)
+					mu.Unlock()
+				})
+			}
+
+			ctx, cancel := context.WithCancel(context.Background())
+
+			errChan := make(chan error, 1)
+			go func() {
+				errChan <- sm.Start(ctx)
+			}()
+
+			time.Sleep(5 * time.Millisecond)
+
+			for _, event := range tt.events {
+				sm.SendEvent(event)
+				time.Sleep(5 * time.Millisecond)
+			}
+
+			time.Sleep(tt.cancelAfter)
+			cancel()
+
+			err := <-errChan
+
+			if tt.expectError && err == nil {
+				t.Error("Expected error but got none")
+			}
+			if !tt.expectError && err != nil {
+				t.Errorf("Unexpected error: %v", err)
+			}
+
+			time.Sleep(10 * time.Millisecond)
+
+			mu.Lock()
+			if len(states) != len(tt.expectedStates) {
+				t.Errorf("Expected %d state changes, got %d", len(tt.expectedStates), len(states))
+			}
+			for i, expectedState := range tt.expectedStates {
+				if i < len(states) && states[i] != expectedState {
+					t.Errorf("State change %d = %v, want %v", i, states[i], expectedState)
+				}
+			}
+			mu.Unlock()
+		})
+	}
+}
+
+func TestStateMachine_Reset(t *testing.T) {
+	tests := []struct {
+		name              string
+		initialState      State
+		resetState        State
+		setupTransitions  []Transition
+		eventsBeforeReset []Event
+		eventsAfterReset  []Event
+		expectedState     State
+	}{
+		{
+			name:          "reset to same state",
+			initialState:  StateIdle,
+			resetState:    StateIdle,
+			expectedState: StateIdle,
+		},
+		{
+			name:          "reset to different state",
+			initialState:  StateIdle,
+			resetState:    StateRunning,
+			expectedState: StateRunning,
+		},
+		{
+			name:         "reset after state changes",
+			initialState: StateIdle,
+			resetState:   StateIdle,
+			setupTransitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+			},
+			eventsBeforeReset: []Event{EventStart},
+			expectedState:     StateIdle,
+		},
+		{
+			name:         "reset and send new events",
+			initialState: StateIdle,
+			resetState:   StateIdle,
+			setupTransitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+				{From: StateRunning, Event: EventStop, To: StateStopped},
+			},
+			eventsBeforeReset: []Event{EventStart},
+			eventsAfterReset:  []Event{EventStart},
+			expectedState:     StateIdle,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			sm := NewStateMachine(tt.initialState)
+			smImpl := sm.(*stateMachine)
+
+			for _, transition := range tt.setupTransitions {
+				sm.AddTransition(transition)
+			}
+
+			for _, event := range tt.eventsBeforeReset {
+				if err := smImpl.handleEvent(event); err != nil {
+					// Ignore errors for this test
+				}
+			}
+
+			sm.Reset(tt.resetState)
+
+			if got := sm.GetState(); got != tt.expectedState {
+				t.Errorf("State after reset = %v, want %v", got, tt.expectedState)
+			}
+
+			for _, event := range tt.eventsAfterReset {
+				sm.SendEvent(event)
+			}
+
+			// For events after reset, we can't easily check the channel length
+			// due to the synchronization changes, so we just verify the reset worked
+			if len(tt.eventsAfterReset) > 0 {
+				time.Sleep(5 * time.Millisecond)
+			}
+		})
+	}
+}
+
+func TestStateMachine_Reset_WithRunningStateMachine(t *testing.T) {
+	sm := NewStateMachine(StateIdle)
+	sm.AddTransition(Transition{From: StateIdle, Event: EventStart, To: StateRunning})
+	sm.AddTransition(Transition{From: StateRunning, Event: EventStop, To: StateStopped})
+
+	var stateChanges []State
+	var mu sync.Mutex
+
+	sm.SetAction(StateRunning, func(s State) {
+		mu.Lock()
+		stateChanges = append(stateChanges, s)
+		mu.Unlock()
+	})
+
+	sm.SetAction(StateStopped, func(s State) {
+		mu.Lock()
+		stateChanges = append(stateChanges, s)
+		mu.Unlock()
+	})
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	go func() {
+		if err := sm.Start(ctx); err != nil {
+		}
+	}()
+
+	// Give it time to start
+	time.Sleep(5 * time.Millisecond)
+
+	// Send an event
+	sm.SendEvent(EventStart)
+	time.Sleep(10 * time.Millisecond)
+
+	// Reset while running
+	sm.Reset(StateIdle)
+
+	// Verify state was reset
+	if got := sm.GetState(); got != StateIdle {
+		t.Errorf("State after reset = %v, want %v", got, StateIdle)
+	}
+
+	// Send another event after reset
+	sm.SendEvent(EventStart)
+	time.Sleep(10 * time.Millisecond)
+
+	mu.Lock()
+	changes := len(stateChanges)
+	mu.Unlock()
+
+	// Should have at least processed the first event
+	if changes < 1 {
+		t.Errorf("Expected at least 1 state change, got %d", changes)
+	}
+}
+
+func TestStateMachine_HandleEvent(t *testing.T) {
+	tests := []struct {
+		name             string
+		initialState     State
+		transitions      []Transition
+		event            Event
+		expectedState    State
+		expectError      bool
+		expectActionCall bool
+	}{
+		{
+			name:         "valid transition",
+			initialState: StateIdle,
+			transitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+			},
+			event:            EventStart,
+			expectedState:    StateRunning,
+			expectError:      false,
+			expectActionCall: true,
+		},
+		{
+			name:         "invalid transition",
+			initialState: StateIdle,
+			transitions: []Transition{
+				{From: StateRunning, Event: EventPause, To: StatePaused},
+			},
+			event:            EventStart,
+			expectedState:    StateIdle,
+			expectError:      true,
+			expectActionCall: false,
+		},
+		{
+			name:         "transition with no action",
+			initialState: StateIdle,
+			transitions: []Transition{
+				{From: StateIdle, Event: EventStart, To: StateRunning},
+			},
+			event:            EventStart,
+			expectedState:    StateRunning,
+			expectError:      false,
+			expectActionCall: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			sm := NewStateMachine(tt.initialState).(*stateMachine)
+
+			for _, transition := range tt.transitions {
+				sm.AddTransition(transition)
+			}
+
+			var actionCalled bool
+			var mu sync.Mutex
+
+			if tt.expectActionCall {
+				sm.SetAction(tt.expectedState, func(s State) {
+					mu.Lock()
+					actionCalled = true
+					mu.Unlock()
+				})
+			}
+
+			err := sm.handleEvent(tt.event)
+
+			if tt.expectError && err == nil {
+				t.Error("Expected error but got none")
+			}
+			if !tt.expectError && err != nil {
+				t.Errorf("Unexpected error: %v", err)
+			}
+
+			if sm.GetState() != tt.expectedState {
+				t.Errorf("State after handleEvent = %v, want %v", sm.GetState(), tt.expectedState)
+			}
+
+			if tt.expectActionCall {
+				time.Sleep(10 * time.Millisecond)
+				mu.Lock()
+				called := actionCalled
+				mu.Unlock()
+				if !called {
+					t.Error("Expected action to be called but it wasn't")
+				}
+			}
+		})
+	}
+}
+
+func TestStateMachine_SendEvent_ThreadSafety(t *testing.T) {
+	sm := NewStateMachine(StateIdle)
+	sm.AddTransition(Transition{From: StateIdle, Event: EventStart, To: StateRunning})
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	go func() {
+		if err := sm.Start(ctx); err != nil {
+		}
+	}()
+
+	time.Sleep(5 * time.Millisecond)
+
+	var wg sync.WaitGroup
+	numGoroutines := 10
+	eventsPerGoroutine := 100
+
+	// Send events concurrently
+	for i := 0; i < numGoroutines; i++ {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			for j := 0; j < eventsPerGoroutine; j++ {
+				sm.SendEvent(EventStart)
+			}
+		}()
+	}
+
+	wg.Wait()
+	time.Sleep(10 * time.Millisecond)
+
+	// If we reach here without panicking, the test passes
+}

attestation.go

@@ -1,9 +1,6 @@
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-//go:build embed
-// +build embed
-
 package cocosai
 
 import _ "embed"

cli/attestation_policy.go

@@ -6,18 +6,23 @@ import (
 	"bytes"
 	"crypto/sha512"
 	"encoding/base64"
+	"encoding/hex"
 	"encoding/json"
 	"fmt"
 	"os"
 	"strconv"
+	"strings"
 
-	"github.com/absmach/magistrala/pkg/errors"
+	"github.com/absmach/supermq/pkg/errors"
 	"github.com/google/go-sev-guest/proto/check"
 	"github.com/google/go-tpm-tools/proto/attest"
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation/azure"
 	"github.com/ultravioletrs/cocos/pkg/attestation/gcp"
+	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
+	"google.golang.org/protobuf/encoding/protojson"
 	"google.golang.org/protobuf/proto"
 )
 
@@ -37,13 +42,17 @@ const (
 )
 
 var (
-	errDecode                       = errors.New("base64 string could not be decoded")
-	errDataLength                   = errors.New("data does not have an adequate length")
-	errReadingAttestationPolicyFile = errors.New("error while reading the attestation policy file")
-	errUnmarshalJSON                = errors.New("failed to unmarshal json")
-	errMarshalJSON                  = errors.New("failed to marshal json")
-	errWriteFile                    = errors.New("failed to write to file")
-	errAttestationPolicyField       = errors.New("the specified field type does not exist in the attestation policy")
+	errDecode                              = errors.New("base64 string could not be decoded")
+	errDataLength                          = errors.New("data does not have an adequate length")
+	errReadingAttestationPolicyFile        = errors.New("error while reading the attestation policy file")
+	errUnmarshalJSON                       = errors.New("failed to unmarshal json")
+	errMarshalJSON                         = errors.New("failed to marshal json")
+	errWriteFile                           = errors.New("failed to write to file")
+	errAttestationPolicyField              = errors.New("the specified field type does not exist in the attestation policy")
+	errReadingManifestFile                 = errors.New("error while reading manifest file")
+	errDecodeHex                           = errors.New("error decoding hex string")
+	policy                          uint64 = 196639
+	isJsonAttestation               bool
 )
 
 func (cli *CLI) NewAttestationPolicyCmd() *cobra.Command {
@@ -107,7 +116,7 @@ func (cli *CLI) NewAddHostDataCmd() *cobra.Command {
 }
 
 func (cli *CLI) NewGCPAttestationPolicy() *cobra.Command {
-	return &cobra.Command{
+	cmd := &cobra.Command{
 		Use:     "gcp",
 		Short:   "Get attestation policy for GCP CVM",
 		Example: `gcp <bin_vtmp_attestation_report_file> <vcpu_count>`,
@@ -127,9 +136,16 @@ func (cli *CLI) NewGCPAttestationPolicy() *cobra.Command {
 
 			attestation := &attest.Attestation{}
 
-			if err := proto.Unmarshal(attestationBin, attestation); err != nil {
-				printError(cmd, "Error unmarshaling attestation report: %v ❌ ", err)
-				return
+			if isJsonAttestation {
+				if err := protojson.Unmarshal(attestationBin, attestation); err != nil {
+					printError(cmd, "Error converting JSON attestation to binary: %v ❌", err)
+					return
+				}
+			} else {
+				if err := proto.Unmarshal(attestationBin, attestation); err != nil {
+					printError(cmd, "Error unmarshaling attestation report: %v ❌ ", err)
+					return
+				}
 			}
 
 			attestationPB := attestation.GetSevSnpAttestation()
@@ -166,10 +182,13 @@ func (cli *CLI) NewGCPAttestationPolicy() *cobra.Command {
 			cmd.Println("Attestation policy file generated successfully ✅")
 		},
 	}
+
+	cmd.Flags().BoolVarP(&isJsonAttestation, "json", "j", false, "Use JSON attestation report instead of binary")
+	return cmd
 }
 
 func (cli *CLI) NewDownloadGCPOvmfFile() *cobra.Command {
-	return &cobra.Command{
+	cmd := &cobra.Command{
 		Use:     "download",
 		Short:   "Download GCP OVMF file",
 		Example: `download <bin_vtmp_attestation_report_file>`,
@@ -183,9 +202,16 @@ func (cli *CLI) NewDownloadGCPOvmfFile() *cobra.Command {
 
 			attestation := &attest.Attestation{}
 
-			if err := proto.Unmarshal(attestationBin, attestation); err != nil {
-				printError(cmd, "Error unmarshaling attestation report: %v ❌ ", err)
-				return
+			if isJsonAttestation {
+				if err := protojson.Unmarshal(attestationBin, attestation); err != nil {
+					printError(cmd, "Error converting JSON attestation to binary: %v ❌", err)
+					return
+				}
+			} else {
+				if err := proto.Unmarshal(attestationBin, attestation); err != nil {
+					printError(cmd, "Error unmarshaling attestation report: %v ❌ ", err)
+					return
+				}
 			}
 
 			attestationPB := attestation.GetSevSnpAttestation()
@@ -224,6 +250,72 @@ func (cli *CLI) NewDownloadGCPOvmfFile() *cobra.Command {
 			cmd.Println("OVMF file downloaded successfully ✅")
 		},
 	}
+
+	cmd.Flags().BoolVarP(&isJsonAttestation, "json", "j", false, "Use JSON attestation report instead of binary")
+	return cmd
+}
+
+func (cli *CLI) NewAzureAttestationPolicy() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:     "azure",
+		Short:   "Get attestation policy for Azure CVM",
+		Example: `azure <azure_maa_token_file> <product_name>`,
+		Args:    cobra.ExactArgs(2),
+		Run: func(cmd *cobra.Command, args []string) {
+			token, err := os.ReadFile(args[0])
+			if err != nil {
+				printError(cmd, "Error reading attestation report file: %v ❌ ", err)
+				return
+			}
+
+			product := args[1]
+
+			config, err := azure.GenerateAttestationPolicy(string(token), product, policy)
+			if err != nil {
+				printError(cmd, "Error generating attestation policy: %v ❌ ", err)
+				return
+			}
+
+			attestationPolicyJson, err := json.MarshalIndent(&config, "", " ")
+			if err != nil {
+				printError(cmd, "Error marshaling attestation policy: %v ❌ ", err)
+				return
+			}
+
+			if err := os.WriteFile("attestation_policy.json", attestationPolicyJson, filePermission); err != nil {
+				printError(cmd, "Error writing attestation policy file: %v ❌ ", err)
+				return
+			}
+
+			cmd.Println("Attestation policy file generated successfully ✅")
+		},
+	}
+
+	cmd.Flags().Uint64Var(
+		&policy,
+		"policy",
+		policy,
+		"Policy of the guest CVM",
+	)
+
+	return cmd
+}
+
+func (cli *CLI) NewExtendWithManifestCmd() *cobra.Command {
+	return &cobra.Command{
+		Use:     "extend",
+		Short:   "Extends PCR16 with computation manifests. The first parameter is path to attestation policy file. The rest of the parameters are paths to computation manifest files.",
+		Example: "extend <attestation_policy_file_path> <computation_manifest_file_path> [<computation_manifest_file_path> ...]",
+		Args:    cobra.MinimumNArgs(2),
+		Run: func(cmd *cobra.Command, args []string) {
+			attestationPolicyFilePath := args[0]
+			manifestPaths := args[1:]
+			if err := extendWithManifest(attestationPolicyFilePath, manifestPaths); err != nil {
+				printError(cmd, "Error could not extend PCR16: %v ❌ ", err)
+				return
+			}
+		},
+	}
 }
 
 func changeAttestationConfiguration(fileName, base64Data string, expectedLength int, field fieldType) error {
@@ -236,14 +328,14 @@ func changeAttestationConfiguration(fileName, base64Data string, expectedLength
 		return errDataLength
 	}
 
-	ac := config.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &config.PcrConfig{}}
+	ac := attestation.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &attestation.PcrConfig{}}
 
 	f, err := os.ReadFile(fileName)
 	if err != nil {
 		return errors.Wrap(errReadingAttestationPolicyFile, err)
 	}
 
-	if err = config.ReadAttestationPolicyFromByte(f, &ac); err != nil {
+	if err = vtpm.ReadPolicyFromByte(f, &ac); err != nil {
 		return errors.Wrap(errUnmarshalJSON, err)
 	}
 
@@ -260,7 +352,7 @@ func changeAttestationConfiguration(fileName, base64Data string, expectedLength
 		return errAttestationPolicyField
 	}
 
-	fileJson, err := json.MarshalIndent(&ac, "", " ")
+	fileJson, err := vtpm.ConvertPolicyToJSON(&ac)
 	if err != nil {
 		return errors.Wrap(errMarshalJSON, err)
 	}
@@ -269,3 +361,65 @@ func changeAttestationConfiguration(fileName, base64Data string, expectedLength
 	}
 	return nil
 }
+
+func extendWithManifest(attestationPolicyPath string, manifestPaths []string) error {
+	attestationConfig := attestation.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &attestation.PcrConfig{}}
+
+	attestationPolicyFileData, err := os.ReadFile(attestationPolicyPath)
+	if err != nil {
+		return errors.Wrap(errReadingAttestationPolicyFile, err)
+	}
+
+	if err = vtpm.ReadPolicyFromByte(attestationPolicyFileData, &attestationConfig); err != nil {
+		return errors.Wrap(errUnmarshalJSON, err)
+	}
+
+	for _, manifestPath := range manifestPaths {
+		manifest, err := os.ReadFile(manifestPath)
+		if err != nil {
+			return errors.Wrap(errReadingManifestFile, err)
+		}
+
+		manifestSha256 := sha512.Sum512_256(manifest)
+		manifestSha384 := sha512.Sum384(manifest)
+
+		data256, exists256 := attestationConfig.PCRValues.Sha256["16"]
+
+		if !exists256 {
+			data256 = strings.Repeat("0", 64) // 32 bytes in hex
+		}
+
+		byteData256, err := hex.DecodeString(data256)
+		if err != nil {
+			return errors.Wrap(errDecodeHex, err)
+		}
+
+		newByteData256 := sha512.Sum512_256(append(byteData256, manifestSha256[:]...))
+
+		data384, exists384 := attestationConfig.PCRValues.Sha384["16"]
+
+		if !exists384 {
+			data384 = strings.Repeat("0", 96) // 48 bytes in hex
+		}
+
+		byteData384, err := hex.DecodeString(data384)
+		if err != nil {
+			return errors.Wrap(errDecodeHex, err)
+		}
+
+		newByteData384 := sha512.Sum384(append(byteData384, manifestSha384[:]...))
+
+		attestationConfig.PCRValues.Sha256["16"] = hex.EncodeToString(newByteData256[:])
+		attestationConfig.PCRValues.Sha384["16"] = hex.EncodeToString(newByteData384[:])
+	}
+
+	attestationPolicyJSON, err := vtpm.ConvertPolicyToJSON(&attestationConfig)
+	if err != nil {
+		return errors.Wrap(errMarshalJSON, err)
+	}
+	if err = os.WriteFile(attestationPolicyPath, attestationPolicyJSON, filePermission); err != nil {
+		return errors.Wrap(errWriteFile, err)
+	}
+
+	return nil
+}

cli/attestation_policy_test.go

@@ -3,15 +3,16 @@
 package cli
 
 import (
+	"bytes"
 	"encoding/base64"
-	"encoding/json"
 	"os"
 	"testing"
 
 	"github.com/google/go-sev-guest/proto/check"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 )
 
 func TestChangeAttestationConfiguration(t *testing.T) {
@@ -19,9 +20,9 @@ func TestChangeAttestationConfiguration(t *testing.T) {
 	require.NoError(t, err)
 	defer os.Remove(tmpfile.Name())
 
-	initialConfig := config.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &config.PcrConfig{}}
+	initialConfig := attestation.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &attestation.PcrConfig{}}
 
-	initialJSON, err := json.Marshal(initialConfig)
+	initialJSON, err := vtpm.ConvertPolicyToJSON(&initialConfig)
 	require.NoError(t, err)
 	err = os.WriteFile(tmpfile.Name(), initialJSON, 0o644)
 	require.NoError(t, err)
@@ -87,8 +88,8 @@ func TestChangeAttestationConfiguration(t *testing.T) {
 				content, err := os.ReadFile(tmpfile.Name())
 				require.NoError(t, err)
 
-				ap := config.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &config.PcrConfig{}}
-				err = config.ReadAttestationPolicyFromByte(content, &ap)
+				ap := attestation.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &attestation.PcrConfig{}}
+				err = vtpm.ReadPolicyFromByte(content, &ap)
 				require.NoError(t, err)
 
 				decodedData, _ := base64.StdEncoding.DecodeString(tt.base64Data)
@@ -130,3 +131,340 @@ func TestNewAddHostDataCmd(t *testing.T) {
 	assert.Equal(t, "hostdata <host-data> <attestation_policy.json>", cmd.Example)
 	assert.NotNil(t, cmd.Run)
 }
+
+func TestChangeAttestationConfigurationFileErrors(t *testing.T) {
+	t.Run("File Not Found", func(t *testing.T) {
+		err := changeAttestationConfiguration("nonexistent.json", base64.StdEncoding.EncodeToString(make([]byte, measurementLength)), measurementLength, measurementField)
+		assert.Error(t, err)
+		assert.Contains(t, err.Error(), "error while reading the attestation policy file")
+	})
+
+	t.Run("Invalid JSON Content", func(t *testing.T) {
+		tmpfile, err := os.CreateTemp("", "invalid.json")
+		require.NoError(t, err)
+		defer os.Remove(tmpfile.Name())
+
+		err = os.WriteFile(tmpfile.Name(), []byte("invalid json"), 0o644)
+		require.NoError(t, err)
+
+		err = changeAttestationConfiguration(tmpfile.Name(), base64.StdEncoding.EncodeToString(make([]byte, measurementLength)), measurementLength, measurementField)
+		assert.Error(t, err)
+		assert.Contains(t, err.Error(), "failed to unmarshal json")
+	})
+}
+
+func TestNewGCPAttestationPolicy(t *testing.T) {
+	cli := &CLI{}
+	cmd := cli.NewGCPAttestationPolicy()
+
+	assert.Equal(t, "gcp", cmd.Use)
+	assert.Equal(t, "Get attestation policy for GCP CVM", cmd.Short)
+	assert.Equal(t, "gcp <bin_vtmp_attestation_report_file> <vcpu_count>", cmd.Example)
+	assert.NotNil(t, cmd.Run)
+
+	t.Run("File Not Found", func(t *testing.T) {
+		cmd.SetArgs([]string{"nonexistent.bin", "4"})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err := cmd.Execute()
+		assert.NoError(t, err)
+
+		output := buf.String()
+		assert.Contains(t, output, "Error reading attestation report file")
+		assert.Contains(t, output, "❌")
+	})
+
+	t.Run("Invalid vCPU Count", func(t *testing.T) {
+		tmpfile, err := os.CreateTemp("", "attestation.bin")
+		require.NoError(t, err)
+		defer os.Remove(tmpfile.Name())
+
+		err = os.WriteFile(tmpfile.Name(), []byte("dummy content"), 0o644)
+		require.NoError(t, err)
+
+		cmd.SetArgs([]string{tmpfile.Name(), "invalid"})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err = cmd.Execute()
+		assert.NoError(t, err)
+
+		output := buf.String()
+		assert.Contains(t, output, "Error converting vCPU count to integer")
+		assert.Contains(t, output, "❌")
+	})
+
+	t.Run("Invalid Attestation Data", func(t *testing.T) {
+		tmpfile, err := os.CreateTemp("", "attestation.bin")
+		require.NoError(t, err)
+		defer os.Remove(tmpfile.Name())
+
+		err = os.WriteFile(tmpfile.Name(), []byte("invalid protobuf data"), 0o644)
+		require.NoError(t, err)
+
+		cmd.SetArgs([]string{tmpfile.Name(), "4"})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err = cmd.Execute()
+		assert.NoError(t, err)
+
+		output := buf.String()
+		assert.Contains(t, output, "Error unmarshaling attestation report")
+		assert.Contains(t, output, "❌")
+	})
+}
+
+func TestNewDownloadGCPOvmfFile(t *testing.T) {
+	cli := &CLI{}
+	cmd := cli.NewDownloadGCPOvmfFile()
+
+	assert.Equal(t, "download", cmd.Use)
+	assert.Equal(t, "Download GCP OVMF file", cmd.Short)
+	assert.Equal(t, "download <bin_vtmp_attestation_report_file>", cmd.Example)
+	assert.NotNil(t, cmd.Run)
+
+	t.Run("File Not Found", func(t *testing.T) {
+		cmd.SetArgs([]string{"nonexistent.bin"})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err := cmd.Execute()
+		assert.NoError(t, err)
+
+		output := buf.String()
+		assert.Contains(t, output, "Error reading attestation report file")
+		assert.Contains(t, output, "❌")
+	})
+
+	t.Run("Invalid Attestation Data", func(t *testing.T) {
+		tmpfile, err := os.CreateTemp("", "attestation.bin")
+		require.NoError(t, err)
+		defer os.Remove(tmpfile.Name())
+
+		err = os.WriteFile(tmpfile.Name(), []byte("invalid protobuf data"), 0o644)
+		require.NoError(t, err)
+
+		cmd.SetArgs([]string{tmpfile.Name()})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err = cmd.Execute()
+		assert.NoError(t, err)
+
+		output := buf.String()
+		assert.Contains(t, output, "Error unmarshaling attestation report")
+		assert.Contains(t, output, "❌")
+	})
+}
+
+func TestNewAzureAttestationPolicy(t *testing.T) {
+	cli := &CLI{}
+	cmd := cli.NewAzureAttestationPolicy()
+
+	assert.Equal(t, "azure", cmd.Use)
+	assert.Equal(t, "Get attestation policy for Azure CVM", cmd.Short)
+	assert.Equal(t, "azure <azure_maa_token_file> <product_name>", cmd.Example)
+	assert.NotNil(t, cmd.Run)
+
+	flag := cmd.Flags().Lookup("policy")
+	assert.NotNil(t, flag)
+	assert.Equal(t, "Policy of the guest CVM", flag.Usage)
+
+	t.Run("File Not Found", func(t *testing.T) {
+		cmd.SetArgs([]string{"nonexistent.token", "test-product"})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err := cmd.Execute()
+		assert.NoError(t, err)
+
+		output := buf.String()
+		assert.Contains(t, output, "Error reading attestation report file")
+		assert.Contains(t, output, "❌")
+	})
+
+	t.Run("Valid Token File", func(t *testing.T) {
+		tmpfile, err := os.CreateTemp("", "token.maa")
+		require.NoError(t, err)
+		defer os.Remove(tmpfile.Name())
+
+		err = os.WriteFile(tmpfile.Name(), []byte("dummy.token.content"), 0o644)
+		require.NoError(t, err)
+
+		defer os.Remove("attestation_policy.json")
+
+		cmd.SetArgs([]string{tmpfile.Name(), "test-product"})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err = cmd.Execute()
+		assert.NoError(t, err)
+	})
+
+	t.Run("Custom Policy Flag", func(t *testing.T) {
+		tmpfile, err := os.CreateTemp("", "token.maa")
+		require.NoError(t, err)
+		defer os.Remove(tmpfile.Name())
+
+		err = os.WriteFile(tmpfile.Name(), []byte("dummy.token.content"), 0o644)
+		require.NoError(t, err)
+
+		cmd.SetArgs([]string{"--policy", "123456", tmpfile.Name(), "test-product"})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err = cmd.Execute()
+		assert.NoError(t, err)
+
+		flag := cmd.Flags().Lookup("policy")
+		assert.NotNil(t, flag)
+		assert.Equal(t, "123456", flag.Value.String())
+	})
+}
+
+func TestCommandErrorHandling(t *testing.T) {
+	cli := &CLI{}
+
+	t.Run("Measurement Command Error", func(t *testing.T) {
+		cmd := cli.NewAddMeasurementCmd()
+		cmd.SetArgs([]string{"invalid-base64", "nonexistent.json"})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err := cmd.Execute()
+		assert.NoError(t, err)
+
+		output := buf.String()
+		assert.Contains(t, output, "Error could not change measurement data")
+		assert.Contains(t, output, "❌")
+	})
+
+	t.Run("Host Data Command Error", func(t *testing.T) {
+		cmd := cli.NewAddHostDataCmd()
+		cmd.SetArgs([]string{"invalid-base64", "nonexistent.json"})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err := cmd.Execute()
+		assert.NoError(t, err)
+
+		output := buf.String()
+		assert.Contains(t, output, "Error could not change host data")
+		assert.Contains(t, output, "❌")
+	})
+}
+
+func TestExtendWithManifestHandling(t *testing.T) {
+	cli := &CLI{}
+
+	t.Run("Invalid policy file", func(t *testing.T) {
+		cmd := cli.NewExtendWithManifestCmd()
+		cmd.SetArgs([]string{"nonexistent.policy.json", "nonexistent.manifest.json"})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err := cmd.Execute()
+		assert.NoError(t, err)
+
+		output := buf.String()
+		assert.Contains(t, output, "error while reading the attestation policy file")
+		assert.Contains(t, output, "❌")
+	})
+
+	t.Run("Invalid manifest file", func(t *testing.T) {
+		cmd := cli.NewExtendWithManifestCmd()
+		cmd.SetArgs([]string{"../scripts/attestation_policy/attestation_policy.json", "nonexistent.manifest.json"})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err := cmd.Execute()
+		assert.NoError(t, err)
+
+		output := buf.String()
+		assert.Contains(t, output, "error while reading manifest file")
+		assert.Contains(t, output, "❌")
+	})
+
+	t.Run("Valid file paths", func(t *testing.T) {
+		fileContent := `{
+		  "id": "1",
+		  "name": "sample computation",
+		  "description": "sample description",
+		  "datasets": [
+		    {
+		      "hash": "<sha3_encoded string>",
+		      "userKey": "<pem_encoded public key string>"
+		    }
+		  ],
+		  "algorithm": {
+		    "hash": "<sha3_encoded string>",
+		    "userKey": "<pem_encoded public key string>"
+		  },
+		  "result_consumers": [
+		    {
+		      "userKey": "<pem_encoded public key string>"
+		    }
+		  ],
+		  "agent_config": {
+		    "port": "7002",
+		    "cert_file": "<pem encoded cert string>",
+		    "key_file": "<pem encoded private key string>",
+		    "server_ca_file": "<pem encoded cert string>",
+		    "client_ca_file": "<pem encoded cert string>",
+		    "attested_tls": true
+		  }
+		}`
+
+		dir, err := os.Getwd()
+		if err != nil {
+			t.Fatalf("Error getting current working directory: %v", err)
+		}
+
+		manifestFile, err := os.CreateTemp(dir, "manifest.json")
+		if err != nil {
+			t.Fatalf("Error creating temp file: %v", err)
+		}
+		defer os.Remove(manifestFile.Name())
+
+		err = os.WriteFile(manifestFile.Name(), []byte(fileContent), 0o644)
+		if err != nil {
+			t.Fatalf("Error writing temp file: %v", err)
+		}
+
+		cmd := cli.NewExtendWithManifestCmd()
+		cmd.SetArgs([]string{"../scripts/attestation_policy/attestation_policy.json", manifestFile.Name()})
+
+		var buf bytes.Buffer
+		cmd.SetOut(&buf)
+		cmd.SetErr(&buf)
+
+		err = cmd.Execute()
+		assert.NoError(t, err)
+	})
+}

cli/attestation_snp.go

@@ -0,0 +1,597 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package cli
+
+import (
+	"encoding/hex"
+	"fmt"
+	"io"
+	"os"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/google/go-sev-guest/abi"
+	"github.com/google/go-sev-guest/proto/check"
+	tpmAttest "github.com/google/go-tpm-tools/proto/attest"
+	"github.com/spf13/cobra"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
+	"google.golang.org/protobuf/encoding/protojson"
+	"google.golang.org/protobuf/encoding/prototext"
+	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/types/known/wrapperspb"
+)
+
+const (
+	defaultMinimumTcb       = 0
+	defaultMinimumLaunchTcb = 0
+	defaultMinimumGuestSvn  = 0
+	defaultGuestPolicy      = 0x0000000000030000
+	defaultMinimumBuild     = 0
+	defaultCheckCrl         = false
+	defaultTimeout          = 2 * time.Minute
+	defaultMaxRetryDelay    = 30 * time.Second
+	defaultRequireAuthor    = false
+	defaultRequireIdBlock   = false
+	defaultMinVersion       = "0.0"
+	vtpmFilePath            = "../quote.dat"
+	attestationReportJson   = "attestation.json"
+	sevSnpProductMilan      = "Milan"
+	sevSnpProductGenoa      = "Genoa"
+	FormatBinaryPB          = "binarypb"
+	FormatTextProto         = "textproto"
+	exampleJSONConfig       = `
+	{
+		"rootOfTrust":{
+		   "product":"test_product",
+		   "cabundlePaths":[
+			  "test_cabundlePaths"
+		   ],
+		   "cabundles":[
+			  "test_Cabundles"
+		   ],
+		   "checkCrl":true,
+		   "disallowNetwork":true
+		},
+		"policy":{
+		   "minimumGuestSvn":1,
+		   "policy":"1",
+		   "familyId":"AQIDBAUGBwgJCgsMDQ4PEA==",
+		   "imageId":"AQIDBAUGBwgJCgsMDQ4PEA==",
+		   "vmpl":0,
+		   "minimumTcb":"1",
+		   "minimumLaunchTcb":"1",
+		   "platformInfo":"1",
+		   "requireAuthorKey":true,
+		   "reportData":"J+60aXs8btm8VcGgaJYURGeNCu0FIyWMFXQ7ZUlJDC0FJGJizJsOzDIXgQ75UtPC+Zqe0A3dvnnf5VEeQ61RTg==",
+		   "measurement":"8s78ewoX7Xkfy1qsgVnkZwLDotD768Nqt6qTL5wtQOxHsLczipKM6bhDmWiHLdP4",
+		   "hostData":"GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw=",
+		   "reportId":"GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw=",
+		   "reportIdMa":"GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw=",
+		   "chipId":"J+60aXs8btm8VcGgaJYURGeNCu0FIyWMFXQ7ZUlJDC0FJGJizJsOzDIXgQ75UtPC+Zqe0A3dvnnf5VEeQ61RTg==",
+		   "minimumBuild":1,
+		   "minimumVersion":"0.90",
+		   "permitProvisionalFirmware":true,
+		   "requireIdBlock":true,
+		   "trustedAuthorKeys":[
+			  "GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw="
+		   ],
+		   "trustedAuthorKeyHashes":[
+			  "GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw="
+		   ],
+		   "trustedIdKeys":[
+			  "GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw="
+		   ],
+		   "trustedIdKeyHashes":[
+			  "GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw="
+		   ],
+		   "product":{
+			  "name":1,
+			  "stepping":1,
+			  "machineStepping":1
+		   }
+		}
+	}
+	`
+)
+
+var cfg = check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
+
+func addSEVSNPVerificationOptions(cmd *cobra.Command) *cobra.Command {
+	cmd.Flags().BytesHexVar(
+		&cfg.Policy.HostData,
+		"host_data",
+		empty32[:],
+		"The expected HOST_DATA field as a hex string. Must encode 32 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfg.Policy.FamilyId,
+		"family_id",
+		empty16[:],
+		"The expected FAMILY_ID field as a hex string. Must encode 16 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfg.Policy.ImageId,
+		"image_id",
+		empty16[:],
+		"The expected IMAGE_ID field as a hex string. Must encode 16 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfg.Policy.ReportId,
+		"report_id",
+		nil,
+		"The expected REPORT_ID field as a hex string. Must encode 32 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfg.Policy.ReportIdMa,
+		"report_id_ma",
+		defaultReportIdMa,
+		"The expected REPORT_ID_MA field as a hex string. Must encode 32 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfg.Policy.Measurement,
+		"measurement",
+		nil,
+		"The expected MEASUREMENT field as a hex string. Must encode 48 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfg.Policy.ChipId,
+		"chip_id",
+		nil,
+		"The expected MEASUREMENT field as a hex string. Must encode 48 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().Uint64Var(
+		&cfg.Policy.MinimumTcb,
+		"minimum_tcb",
+		defaultMinimumTcb,
+		"The minimum acceptable value for CURRENT_TCB, COMMITTED_TCB, and REPORTED_TCB.",
+	)
+	cmd.Flags().Uint64Var(
+		&cfg.Policy.MinimumLaunchTcb,
+		"minimum_lauch_tcb",
+		defaultMinimumLaunchTcb,
+		"The minimum acceptable value for LAUNCH_TCB.",
+	)
+	cmd.Flags().Uint64Var(
+		&cfg.Policy.Policy,
+		"guest_policy",
+		defaultGuestPolicy,
+		"The most acceptable guest SnpPolicy.",
+	)
+	cmd.Flags().Uint32Var(
+		&cfg.Policy.MinimumGuestSvn,
+		"minimum_guest_svn",
+		defaultMinimumGuestSvn,
+		"The most acceptable GUEST_SVN.",
+	)
+	cmd.Flags().Uint32Var(
+		&cfg.Policy.MinimumBuild,
+		"minimum_build",
+		defaultMinimumBuild,
+		"The 8-bit minimum build number for AMD-SP firmware",
+	)
+	cmd.Flags().BoolVar(
+		&checkCrl,
+		"check_crl",
+		defaultCheckCrl,
+		"Download and check the CRL for revoked certificates.",
+	)
+	cmd.Flags().DurationVar(
+		&timeout,
+		"timeout",
+		defaultTimeout,
+		"Duration to continue to retry failed HTTP requests.",
+	)
+	cmd.Flags().DurationVar(
+		&maxRetryDelay,
+		"max_retry_delay",
+		defaultMaxRetryDelay,
+		"Maximum Duration to wait between HTTP request retries.",
+	)
+	cmd.Flags().BoolVar(
+		&cfg.Policy.RequireAuthorKey,
+		"require_author_key",
+		defaultRequireAuthor,
+		"Require that AUTHOR_KEY_EN is 1.",
+	)
+	cmd.Flags().BoolVar(
+		&cfg.Policy.RequireIdBlock,
+		"require_id_block",
+		defaultRequireIdBlock,
+		"Require that the VM was launch with an ID_BLOCK signed by a trusted id key or author key",
+	)
+	cmd.Flags().StringVar(
+		&platformInfo,
+		"platform_info",
+		"",
+		"The maximum acceptable PLATFORM_INFO field bit-wise. May be empty or a 64-bit unsigned integer",
+	)
+	cmd.Flags().StringVar(
+		&cfg.Policy.MinimumVersion,
+		"minimum_version",
+		defaultMinVersion,
+		"Minimum AMD-SP firmware API version (major.minor). Each number must be 8-bit non-negative.",
+	)
+	cmd.Flags().StringArrayVar(
+		&trustedAuthorKeys,
+		"trusted_author_keys",
+		[]string{},
+		"Paths to x.509 certificates of trusted author keys",
+	)
+	cmd.Flags().StringArrayVar(
+		&trustedAuthorHashes,
+		"trusted_author_key_hashes",
+		[]string{},
+		"Hex-encoded SHA-384 hash values of trusted author keys in AMD public key format",
+	)
+	cmd.Flags().StringArrayVar(
+		&trustedIdKeys,
+		"trusted_id_keys",
+		[]string{},
+		"Paths to x.509 certificates of trusted author keys",
+	)
+	cmd.Flags().StringArrayVar(
+		&trustedIdKeyHashes,
+		"trusted_id_key_hashes",
+		[]string{},
+		"Hex-encoded SHA-384 hash values of trusted identity keys in AMD public key format",
+	)
+	cmd.Flags().StringVar(
+		&cfg.RootOfTrust.ProductLine,
+		"product",
+		"",
+		"The AMD product name for the chip that generated the attestation report.",
+	)
+	cmd.Flags().StringVar(
+		&stepping,
+		"stepping",
+		"",
+		"The machine stepping for the chip that generated the attestation report. Default unchecked.",
+	)
+	cmd.Flags().StringArrayVar(
+		&cfg.RootOfTrust.CabundlePaths,
+		"CA_bundles_paths",
+		[]string{},
+		"Paths to CA bundles for the AMD product. Must be in PEM format, ASK, then ARK certificates. If unset, uses embedded root certificates.",
+	)
+	cmd.Flags().StringArrayVar(
+		&cfg.RootOfTrust.Cabundles,
+		"CA_bundles",
+		[]string{},
+		"PEM format CA bundles for the AMD product. Combined with contents of cabundle_paths.",
+	)
+
+	return cmd
+}
+
+func validateInput() error {
+	if len(cfg.RootOfTrust.CabundlePaths) != 0 || len(cfg.RootOfTrust.Cabundles) != 0 && cfg.RootOfTrust.ProductLine == "" {
+		return fmt.Errorf("product name must be set if CA bundles are provided")
+	}
+
+	if err := validateFieldLength("report_data", cfg.Policy.ReportData, size64); err != nil {
+		return err
+	}
+	if err := validateFieldLength("host_data", cfg.Policy.HostData, size32); err != nil {
+		return err
+	}
+	if err := validateFieldLength("family_id", cfg.Policy.FamilyId, size16); err != nil {
+		return err
+	}
+	if err := validateFieldLength("image_id", cfg.Policy.ImageId, size16); err != nil {
+		return err
+	}
+	if err := validateFieldLength("report_id", cfg.Policy.ReportId, size32); err != nil {
+		return err
+	}
+	if err := validateFieldLength("report_id_ma", cfg.Policy.ReportIdMa, size32); err != nil {
+		return err
+	}
+	if err := validateFieldLength("measurement", cfg.Policy.Measurement, size48); err != nil {
+		return err
+	}
+	if err := validateFieldLength("chip_id", cfg.Policy.ChipId, size64); err != nil {
+		return err
+	}
+	for _, hash := range cfg.Policy.TrustedAuthorKeyHashes {
+		if err := validateFieldLength("trusted_author_key_hash", hash, size48); err != nil {
+			return err
+		}
+	}
+	for _, hash := range cfg.Policy.TrustedIdKeyHashes {
+		if err := validateFieldLength("trusted_id_key_hash", hash, size48); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func parseTrustedKeys() error {
+	for _, path := range trustedAuthorKeys {
+		file, err := os.ReadFile(path)
+		if err != nil {
+			return err
+		}
+		cfg.Policy.TrustedAuthorKeys = append(cfg.Policy.TrustedAuthorKeys, file)
+	}
+	for _, path := range trustedIdKeys {
+		file, err := os.ReadFile(path)
+		if err != nil {
+			return err
+		}
+		cfg.Policy.TrustedIdKeys = append(cfg.Policy.TrustedIdKeys, file)
+	}
+	return nil
+}
+
+func parseUints() error {
+	if stepping != "" {
+		if base := getBase(stepping); base == 10 {
+			num, err := strconv.ParseUint(stepping, getBase(stepping), 8)
+			if err != nil {
+				return err
+			}
+
+			cfg.Policy.Product.MachineStepping = wrapperspb.UInt32(uint32(num))
+		} else {
+			num, err := strconv.ParseUint(stepping[2:], base, 8)
+			if err != nil {
+				return err
+			}
+			cfg.Policy.Product.MachineStepping = wrapperspb.UInt32(uint32(num))
+		}
+	}
+	if platformInfo != "" {
+		if base := getBase(platformInfo); base == 10 {
+			num, err := strconv.ParseUint(platformInfo, getBase(platformInfo), 8)
+			if err != nil {
+				return err
+			}
+			cfg.Policy.PlatformInfo = wrapperspb.UInt64(num)
+		} else {
+			num, err := strconv.ParseUint(platformInfo[2:], base, 8)
+			if err != nil {
+				return err
+			}
+			cfg.Policy.PlatformInfo = wrapperspb.UInt64(num)
+		}
+	}
+	return nil
+}
+
+func getBase(val string) int {
+	switch {
+	case strings.HasPrefix(val, "0x"):
+		return 16
+	case strings.HasPrefix(val, "0o"):
+		return 8
+	case strings.HasPrefix(val, "0b"):
+		return 2
+	default:
+		return 10
+	}
+}
+
+// parseConfig decodes config passed as json for check.Config struct.
+// example
+/* {
+	"rootOfTrust":{
+		"product":"test_product",
+		"cabundlePaths":[
+		   "test_cabundlePaths"
+		],
+		"cabundles":[
+		   "test_Cabundles"
+		],
+		"checkCrl":true,
+		"disallowNetwork":true
+	 },
+	 "policy":{
+		"minimumGuestSvn":1,
+		"policy":"1",
+		"familyId":"AQIDBAUGBwgJCgsMDQ4PEA==",
+		"imageId":"AQIDBAUGBwgJCgsMDQ4PEA==",
+		"vmpl":0,
+		"minimumTcb":"1",
+		"minimumLaunchTcb":"1",
+		"platformInfo":"1",
+		"requireAuthorKey":true,
+		"reportData":"J+60aXs8btm8VcGgaJYURGeNCu0FIyWMFXQ7ZUlJDC0FJGJizJsOzDIXgQ75UtPC+Zqe0A3dvnnf5VEeQ61RTg==",
+		"measurement":"8s78ewoX7Xkfy1qsgVnkZwLDotD768Nqt6qTL5wtQOxHsLczipKM6bhDmWiHLdP4",
+		"hostData":"GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw=",
+		"reportId":"GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw=",
+		"reportIdMa":"GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw=",
+		"chipId":"J+60aXs8btm8VcGgaJYURGeNCu0FIyWMFXQ7ZUlJDC0FJGJizJsOzDIXgQ75UtPC+Zqe0A3dvnnf5VEeQ61RTg==",
+		"minimumBuild":1,
+		"minimumVersion":"0.90",
+		"permitProvisionalFirmware":true,
+		"requireIdBlock":true,
+		"trustedAuthorKeys":[
+		   "GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw="
+		],
+		"trustedAuthorKeyHashes":[
+		   "GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw="
+		],
+		"trustedIdKeys":[
+		   "GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw="
+		],
+		"trustedIdKeyHashes":[
+		   "GSvLKpfu59Y9QOF6vhq0vQsOIvb4+5O/UOHLGLBTkdw="
+		],
+		"product":{
+		   "name":"1",
+		   "stepping":1,
+		   "machineStepping":1
+		}
+	 }
+  }*/
+func parseConfig() error {
+	if cfgString == "" {
+		return nil
+	}
+
+	policyByte, err := os.ReadFile(cfgString)
+	if err != nil {
+		return err
+	}
+
+	if err := protojson.Unmarshal(policyByte, &cfg); err != nil {
+		return err
+	}
+	// Populate fields that should not be nil
+	if cfg.RootOfTrust == nil {
+		cfg.RootOfTrust = &check.RootOfTrust{}
+	}
+	if cfg.Policy == nil {
+		cfg.Policy = &check.Policy{}
+	}
+	return nil
+}
+
+func parseHashes() error {
+	for _, hash := range trustedAuthorHashes {
+		hashBytes, err := hex.DecodeString(hash)
+		if err != nil {
+			return err
+		}
+		cfg.Policy.TrustedAuthorKeyHashes = append(cfg.Policy.TrustedAuthorKeyHashes, hashBytes)
+	}
+	for _, hash := range trustedIdKeyHashes {
+		hashBytes, err := hex.DecodeString(hash)
+		if err != nil {
+			return err
+		}
+		cfg.Policy.TrustedIdKeyHashes = append(cfg.Policy.TrustedIdKeyHashes, hashBytes)
+	}
+	return nil
+}
+
+func parseAttestationFile() error {
+	file, err := os.ReadFile(attestationFile)
+	if err != nil {
+		return err
+	}
+	attestationRaw = file
+	if isFileJSON(attestationFile) {
+		attestationRaw, err = attestationFromJSON(attestationRaw)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func sevsnpverify(cmd *cobra.Command, verifier attestation.Verifier, args []string) error {
+	cmd.Println("Checking attestation")
+
+	attestationFile = string(args[0])
+
+	if err := parseAttestationFile(); err != nil {
+		return fmt.Errorf("error parsing config: %v ❌ ", err)
+	}
+
+	// This format is the attestation report in AMD's specified ABI format, immediately
+	// followed by the certificate table bytes.
+	if len(attestationRaw) < abi.ReportSize {
+		return fmt.Errorf("attestation too small: got 0x%x bytes, need at least 0x%x bytes", len(attestationRaw), abi.ReportSize)
+	}
+
+	if err := parseAttestationConfig(); err != nil {
+		return err
+	}
+
+	if err := verifier.VerifTeeAttestation(attestationRaw, cfg.Policy.ReportData); err != nil {
+		return fmt.Errorf("attestation validation and verification failed with error: %v ❌ ", err)
+	}
+
+	cmd.Println("Attestation validation and verification is successful!")
+	return nil
+}
+
+func parseAttestationConfig() error {
+	if err := parseConfig(); err != nil {
+		return fmt.Errorf("error parsing config: %v ❌ ", err)
+	}
+	if err := parseHashes(); err != nil {
+		return fmt.Errorf("error parsing hashes: %v ❌ ", err)
+	}
+	if err := parseTrustedKeys(); err != nil {
+		return fmt.Errorf("error parsing files: %v ❌ ", err)
+	}
+
+	if err := parseUints(); err != nil {
+		return fmt.Errorf("error parsing uints: %v ❌ ", err)
+	}
+
+	if err := validateInput(); err != nil {
+		return fmt.Errorf("error validating input: %v ❌ ", err)
+	}
+
+	return nil
+}
+
+func vtpmSevSnpverify(args []string, verifier attestation.Verifier) error {
+	attest, err := returnvTPMAttestation(args)
+	if err != nil {
+		return err
+	}
+
+	if err := parseAttestationConfig(); err != nil {
+		return err
+	}
+
+	if err := verifier.VerifyAttestation(attest, cfg.Policy.ReportData, nonce); err != nil {
+		return fmt.Errorf("attestation validation and verification failed with error: %v ❌ ", err)
+	}
+
+	return nil
+}
+
+func vtpmverify(args []string, verifier attestation.Verifier) error {
+	attestation, err := returnvTPMAttestation(args)
+	if err != nil {
+		return err
+	}
+
+	if err := verifier.VerifVTpmAttestation(attestation, nonce); err != nil {
+		return fmt.Errorf("attestation validation and verification failed with error: %v ❌ ", err)
+	}
+
+	return nil
+}
+
+func returnvTPMAttestation(args []string) ([]byte, error) {
+	attestationFile = string(args[0])
+	input, err := openInputFile()
+	if err != nil {
+		return nil, err
+	}
+	if closer, ok := input.(*os.File); ok {
+		defer closer.Close()
+	}
+	attestationBytes, err := io.ReadAll(input)
+	if err != nil {
+		return nil, err
+	}
+	attestation := &tpmAttest.Attestation{}
+
+	if format == FormatBinaryPB {
+		return attestationBytes, nil
+	} else if format == FormatTextProto {
+		unmarshalOptions := prototext.UnmarshalOptions{}
+		err = unmarshalOptions.Unmarshal(attestationBytes, attestation)
+	} else {
+		return nil, fmt.Errorf("format should be either binarypb or textproto")
+	}
+	if err != nil {
+		return nil, fmt.Errorf("fail to unmarshal attestation report: %v", err)
+	}
+
+	attestationBytes, err = proto.Marshal(attestation)
+	if err != nil {
+		return nil, fmt.Errorf("fail to marshal vTPM attestation report: %v", err)
+	}
+
+	return attestationBytes, nil
+}

cli/attestation_snp_test.go

@@ -0,0 +1,870 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package cli
+
+import (
+	"bytes"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/google/go-sev-guest/abi"
+	"github.com/google/go-sev-guest/proto/check"
+	"github.com/google/go-sev-guest/proto/sevsnp"
+	tpmAttest "github.com/google/go-tpm-tools/proto/attest"
+	"github.com/google/go-tpm-tools/proto/tpm"
+	"github.com/spf13/cobra"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+	"github.com/ultravioletrs/cocos/pkg/attestation/mocks"
+	"google.golang.org/protobuf/encoding/prototext"
+	"google.golang.org/protobuf/proto"
+)
+
+func TestAddSEVSNPVerificationOptions(t *testing.T) {
+	cmd := &cobra.Command{
+		Use: "test",
+	}
+
+	result := addSEVSNPVerificationOptions(cmd)
+
+	assert.Equal(t, cmd, result)
+
+	// Check that important flags are added
+	flags := []string{
+		"host_data",
+		"family_id",
+		"image_id",
+		"report_id",
+		"report_id_ma",
+		"measurement",
+		"chip_id",
+		"minimum_tcb",
+		"minimum_lauch_tcb",
+		"guest_policy",
+		"minimum_guest_svn",
+		"minimum_build",
+		"check_crl",
+		"timeout",
+		"max_retry_delay",
+		"require_author_key",
+		"require_id_block",
+		"platform_info",
+		"minimum_version",
+		"trusted_author_keys",
+		"trusted_author_key_hashes",
+		"trusted_id_keys",
+		"trusted_id_key_hashes",
+		"product",
+		"stepping",
+		"CA_bundles_paths",
+		"CA_bundles",
+	}
+
+	for _, flagName := range flags {
+		flag := cmd.Flags().Lookup(flagName)
+		assert.NotNil(t, flag, "Flag %s should exist", flagName)
+	}
+}
+
+func TestValidateInput(t *testing.T) {
+	tests := []struct {
+		name      string
+		setupCfg  func()
+		expectErr bool
+		errMsg    string
+	}{
+		{
+			name: "valid empty config",
+			setupCfg: func() {
+				cfg = check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
+			},
+			expectErr: false,
+		},
+		{
+			name: "CA bundles without product name",
+			setupCfg: func() {
+				cfg = check.Config{
+					Policy: &check.Policy{},
+					RootOfTrust: &check.RootOfTrust{
+						CabundlePaths: []string{"test.pem"},
+						ProductLine:   "",
+					},
+				}
+			},
+			expectErr: true,
+			errMsg:    "product name must be set if CA bundles are provided",
+		},
+		{
+			name: "invalid report_data length",
+			setupCfg: func() {
+				cfg = check.Config{
+					Policy: &check.Policy{
+						ReportData: []byte("invalid"),
+					},
+					RootOfTrust: &check.RootOfTrust{},
+				}
+			},
+			expectErr: true,
+			errMsg:    "report_data",
+		},
+		{
+			name: "invalid host_data length",
+			setupCfg: func() {
+				cfg = check.Config{
+					Policy: &check.Policy{
+						HostData: []byte("invalid"),
+					},
+					RootOfTrust: &check.RootOfTrust{},
+				}
+			},
+			expectErr: true,
+			errMsg:    "host_data",
+		},
+		{
+			name: "invalid family_id length",
+			setupCfg: func() {
+				cfg = check.Config{
+					Policy: &check.Policy{
+						FamilyId: []byte("invalid"),
+					},
+					RootOfTrust: &check.RootOfTrust{},
+				}
+			},
+			expectErr: true,
+			errMsg:    "family_id",
+		},
+		{
+			name: "invalid image_id length",
+			setupCfg: func() {
+				cfg = check.Config{
+					Policy: &check.Policy{
+						ImageId: []byte("invalid"),
+					},
+					RootOfTrust: &check.RootOfTrust{},
+				}
+			},
+			expectErr: true,
+			errMsg:    "image_id",
+		},
+		{
+			name: "invalid trusted author key hash",
+			setupCfg: func() {
+				cfg = check.Config{
+					Policy: &check.Policy{
+						TrustedAuthorKeyHashes: [][]byte{[]byte("invalid")},
+					},
+					RootOfTrust: &check.RootOfTrust{},
+				}
+			},
+			expectErr: true,
+			errMsg:    "trusted_author_key_hash",
+		},
+		{
+			name: "invalid trusted id key hash",
+			setupCfg: func() {
+				cfg = check.Config{
+					Policy: &check.Policy{
+						TrustedIdKeyHashes: [][]byte{[]byte("invalid")},
+					},
+					RootOfTrust: &check.RootOfTrust{},
+				}
+			},
+			expectErr: true,
+			errMsg:    "trusted_id_key_hash",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tt.setupCfg()
+			err := validateInput()
+			if tt.expectErr {
+				assert.Error(t, err)
+				assert.Contains(t, err.Error(), tt.errMsg)
+			} else {
+				assert.NoError(t, err)
+			}
+		})
+	}
+}
+
+func TestParseTrustedKeys(t *testing.T) {
+	tempDir := t.TempDir()
+
+	authorKeyFile := filepath.Join(tempDir, "author.pem")
+	idKeyFile := filepath.Join(tempDir, "id.pem")
+	nonExistentFile := filepath.Join(tempDir, "nonexistent.pem")
+
+	authorKeyContent := "-----BEGIN CERTIFICATE-----\nMIIBkTCB+wIJAOI..."
+	idKeyContent := "-----BEGIN CERTIFICATE-----\nMIIBkTCB+wIJAOI..."
+
+	require.NoError(t, os.WriteFile(authorKeyFile, []byte(authorKeyContent), 0o644))
+	require.NoError(t, os.WriteFile(idKeyFile, []byte(idKeyContent), 0o644))
+
+	tests := []struct {
+		name              string
+		trustedAuthorKeys []string
+		trustedIdKeys     []string
+		expectErr         bool
+	}{
+		{
+			name:              "valid files",
+			trustedAuthorKeys: []string{authorKeyFile},
+			trustedIdKeys:     []string{idKeyFile},
+			expectErr:         false,
+		},
+		{
+			name:              "nonexistent author key file",
+			trustedAuthorKeys: []string{nonExistentFile},
+			trustedIdKeys:     []string{},
+			expectErr:         true,
+		},
+		{
+			name:              "nonexistent id key file",
+			trustedAuthorKeys: []string{},
+			trustedIdKeys:     []string{nonExistentFile},
+			expectErr:         true,
+		},
+		{
+			name:              "empty file lists",
+			trustedAuthorKeys: []string{},
+			trustedIdKeys:     []string{},
+			expectErr:         false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cfg = check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
+			trustedAuthorKeys = tt.trustedAuthorKeys
+			trustedIdKeys = tt.trustedIdKeys
+
+			err := parseTrustedKeys()
+			if tt.expectErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				if len(tt.trustedAuthorKeys) > 0 {
+					assert.Len(t, cfg.Policy.TrustedAuthorKeys, len(tt.trustedAuthorKeys))
+					assert.Equal(t, []byte(authorKeyContent), cfg.Policy.TrustedAuthorKeys[0])
+				}
+				if len(tt.trustedIdKeys) > 0 {
+					assert.Len(t, cfg.Policy.TrustedIdKeys, len(tt.trustedIdKeys))
+					assert.Equal(t, []byte(idKeyContent), cfg.Policy.TrustedIdKeys[0])
+				}
+			}
+		})
+	}
+}
+
+func TestParseUints(t *testing.T) {
+	tests := []struct {
+		name             string
+		stepping         string
+		platformInfo     string
+		expectErr        bool
+		expectedStep     *uint32
+		expectedPlatform *uint64
+	}{
+		{
+			name:         "empty values",
+			stepping:     "",
+			platformInfo: "",
+			expectErr:    false,
+		},
+		{
+			name:             "decimal values",
+			stepping:         "5",
+			platformInfo:     "10",
+			expectErr:        false,
+			expectedStep:     uint32Ptr(5),
+			expectedPlatform: uint64Ptr(10),
+		},
+		{
+			name:             "hex values",
+			stepping:         "0x5",
+			platformInfo:     "0xa",
+			expectErr:        false,
+			expectedStep:     uint32Ptr(5),
+			expectedPlatform: uint64Ptr(10),
+		},
+		{
+			name:             "octal values",
+			stepping:         "0o7",
+			platformInfo:     "0o12",
+			expectErr:        false,
+			expectedStep:     uint32Ptr(7),
+			expectedPlatform: uint64Ptr(10),
+		},
+		{
+			name:             "binary values",
+			stepping:         "0b101",
+			platformInfo:     "0b1010",
+			expectErr:        false,
+			expectedStep:     uint32Ptr(5),
+			expectedPlatform: uint64Ptr(10),
+		},
+		{
+			name:         "invalid stepping",
+			stepping:     "invalid",
+			platformInfo: "",
+			expectErr:    true,
+		},
+		{
+			name:         "invalid platform info",
+			stepping:     "",
+			platformInfo: "invalid",
+			expectErr:    true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cfg = check.Config{Policy: &check.Policy{Product: &sevsnp.SevProduct{}}, RootOfTrust: &check.RootOfTrust{}}
+			stepping = tt.stepping
+			platformInfo = tt.platformInfo
+
+			err := parseUints()
+			if tt.expectErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				if tt.expectedStep != nil {
+					assert.Equal(t, *tt.expectedStep, cfg.Policy.Product.MachineStepping.Value)
+				}
+				if tt.expectedPlatform != nil {
+					assert.Equal(t, *tt.expectedPlatform, cfg.Policy.PlatformInfo.Value)
+				}
+			}
+		})
+	}
+}
+
+func TestGetBase(t *testing.T) {
+	tests := []struct {
+		input    string
+		expected int
+	}{
+		{"0x10", 16},
+		{"0o10", 8},
+		{"0b10", 2},
+		{"10", 10},
+		{"", 10},
+		{"abc", 10},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.input, func(t *testing.T) {
+			result := getBase(tt.input)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+func TestParseConfig(t *testing.T) {
+	tempDir := t.TempDir()
+
+	validConfig := map[string]any{
+		"rootOfTrust": map[string]any{
+			"product":         "test_product",
+			"cabundlePaths":   []string{"test_path"},
+			"cabundles":       []string{"test_bundle"},
+			"checkCrl":        true,
+			"disallowNetwork": true,
+		},
+		"policy": map[string]any{
+			"minimumGuestSvn":  1,
+			"policy":           "1",
+			"minimumBuild":     1,
+			"minimumVersion":   "0.90",
+			"requireAuthorKey": true,
+			"requireIdBlock":   true,
+		},
+	}
+
+	tests := []struct {
+		name        string
+		setupConfig func() string
+		expectErr   bool
+	}{
+		{
+			name: "empty config string",
+			setupConfig: func() string {
+				return ""
+			},
+			expectErr: false,
+		},
+		{
+			name: "valid config file",
+			setupConfig: func() string {
+				configFile := filepath.Join(tempDir, "valid_config.json")
+				configBytes, err := json.Marshal(validConfig)
+				assert.NoError(t, err)
+				if err := os.WriteFile(configFile, configBytes, 0o644); err != nil {
+					t.Errorf("failed to write config file: %v", err)
+				}
+				return configFile
+			},
+			expectErr: false,
+		},
+		{
+			name: "nonexistent config file",
+			setupConfig: func() string {
+				return filepath.Join(tempDir, "nonexistent.json")
+			},
+			expectErr: true,
+		},
+		{
+			name: "invalid JSON config",
+			setupConfig: func() string {
+				configFile := filepath.Join(tempDir, "invalid_config.json")
+				if err := os.WriteFile(configFile, []byte("invalid json"), 0o644); err != nil {
+					t.Errorf("failed to write invalid config file: %v", err)
+				}
+				return configFile
+			},
+			expectErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cfg = check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
+			cfgString = tt.setupConfig()
+
+			err := parseConfig()
+			if tt.expectErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.NotNil(t, cfg.Policy)
+				assert.NotNil(t, cfg.RootOfTrust)
+			}
+		})
+	}
+}
+
+func TestParseHashes(t *testing.T) {
+	tests := []struct {
+		name                string
+		trustedAuthorHashes []string
+		trustedIdKeyHashes  []string
+		expectErr           bool
+	}{
+		{
+			name:                "valid hashes",
+			trustedAuthorHashes: []string{"deadbeef", "cafebabe"},
+			trustedIdKeyHashes:  []string{"12345678", "87654321"},
+			expectErr:           false,
+		},
+		{
+			name:                "empty hashes",
+			trustedAuthorHashes: []string{},
+			trustedIdKeyHashes:  []string{},
+			expectErr:           false,
+		},
+		{
+			name:                "invalid author hash",
+			trustedAuthorHashes: []string{"invalid_hex"},
+			trustedIdKeyHashes:  []string{},
+			expectErr:           true,
+		},
+		{
+			name:                "invalid id key hash",
+			trustedAuthorHashes: []string{},
+			trustedIdKeyHashes:  []string{"invalid_hex"},
+			expectErr:           true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cfg = check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
+			trustedAuthorHashes = tt.trustedAuthorHashes
+			trustedIdKeyHashes = tt.trustedIdKeyHashes
+
+			err := parseHashes()
+			if tt.expectErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.Len(t, cfg.Policy.TrustedAuthorKeyHashes, len(tt.trustedAuthorHashes))
+				assert.Len(t, cfg.Policy.TrustedIdKeyHashes, len(tt.trustedIdKeyHashes))
+
+				for i, hash := range tt.trustedAuthorHashes {
+					expected, _ := hex.DecodeString(hash)
+					assert.Equal(t, expected, cfg.Policy.TrustedAuthorKeyHashes[i])
+				}
+
+				for i, hash := range tt.trustedIdKeyHashes {
+					expected, _ := hex.DecodeString(hash)
+					assert.Equal(t, expected, cfg.Policy.TrustedIdKeyHashes[i])
+				}
+			}
+		})
+	}
+}
+
+func TestParseAttestationFile(t *testing.T) {
+	tempDir := t.TempDir()
+
+	binaryFile := filepath.Join(tempDir, "attestation.bin")
+	jsonFile := filepath.Join(tempDir, "attestation.json")
+
+	binaryData := make([]byte, 1024)
+	for i := range binaryData {
+		binaryData[i] = byte(i % 256)
+	}
+
+	jsonData := &sevsnp.Attestation{
+		Report: &sevsnp.Report{
+			FamilyId:        make([]byte, 16),
+			ImageId:         make([]byte, 16),
+			ReportData:      make([]byte, 64),
+			Measurement:     make([]byte, 48),
+			HostData:        make([]byte, 32),
+			IdKeyDigest:     make([]byte, 48),
+			AuthorKeyDigest: make([]byte, 48),
+			ReportId:        make([]byte, 32),
+			ReportIdMa:      make([]byte, 32),
+			ChipId:          make([]byte, 64),
+			Signature:       make([]byte, 512),
+		},
+	}
+	jsonBytes, err := json.Marshal(jsonData)
+	require.NoError(t, err)
+
+	require.NoError(t, os.WriteFile(binaryFile, binaryData, 0o644))
+	require.NoError(t, os.WriteFile(jsonFile, jsonBytes, 0o644))
+
+	tests := []struct {
+		name            string
+		attestationFile string
+		expectErr       bool
+	}{
+		{
+			name:            "valid binary file",
+			attestationFile: binaryFile,
+			expectErr:       false,
+		},
+		{
+			name:            "valid JSON file",
+			attestationFile: jsonFile,
+			expectErr:       false,
+		},
+		{
+			name:            "nonexistent file",
+			attestationFile: filepath.Join(tempDir, "nonexistent.bin"),
+			expectErr:       true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			attestationFile = tt.attestationFile
+
+			err := parseAttestationFile()
+			if tt.expectErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.NotNil(t, attestationRaw)
+				assert.NotEmpty(t, attestationRaw)
+			}
+		})
+	}
+}
+
+func TestSevsnpverify(t *testing.T) {
+	trustedAuthorHashes = []string{}
+	trustedIdKeyHashes = []string{}
+	stepping = ""
+	platformInfo = ""
+	tempDir := t.TempDir()
+	cfg = check.Config{Policy: &check.Policy{Product: &sevsnp.SevProduct{}}, RootOfTrust: &check.RootOfTrust{}}
+
+	attestationFile := filepath.Join(tempDir, "attestation.bin")
+	attestationData := make([]byte, abi.ReportSize+100)
+	for i := range attestationData {
+		attestationData[i] = byte(i % 256)
+	}
+	require.NoError(t, os.WriteFile(attestationFile, attestationData, 0o644))
+
+	tests := []struct {
+		name        string
+		args        []string
+		setupMock   func(*mocks.Verifier)
+		expectErr   bool
+		expectedMsg string
+	}{
+		{
+			name: "successful verification",
+			args: []string{attestationFile},
+			setupMock: func(m *mocks.Verifier) {
+				m.On("VerifTeeAttestation", mock.Anything, mock.Anything).Return(nil)
+			},
+			expectErr:   false,
+			expectedMsg: "Attestation validation and verification is successful!",
+		},
+		{
+			name: "verification failure",
+			args: []string{attestationFile},
+			setupMock: func(m *mocks.Verifier) {
+				m.On("VerifTeeAttestation", mock.Anything, mock.Anything).Return(fmt.Errorf("verification failed"))
+			},
+			expectErr:   true,
+			expectedMsg: "attestation validation and verification failed",
+		},
+		{
+			name:      "nonexistent file",
+			args:      []string{filepath.Join(tempDir, "nonexistent.bin")},
+			setupMock: func(m *mocks.Verifier) {},
+			expectErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cfgString = ""
+
+			mockVerifier := new(mocks.Verifier)
+			tt.setupMock(mockVerifier)
+
+			var output bytes.Buffer
+			cmd := &cobra.Command{}
+			cmd.SetOut(&output)
+
+			err := sevsnpverify(cmd, mockVerifier, tt.args)
+			fmt.Println("error1", err)
+
+			if tt.expectErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				if tt.expectedMsg != "" {
+					assert.Contains(t, output.String(), tt.expectedMsg)
+				}
+			}
+
+			mockVerifier.AssertExpectations(t)
+		})
+	}
+}
+
+func TestReturnvTPMAttestation(t *testing.T) {
+	tempDir := t.TempDir()
+
+	attestation := &tpmAttest.Attestation{
+		Quotes: []*tpm.Quote{
+			{
+				Quote:  []byte("test quote"),
+				RawSig: []byte("test signature"),
+			},
+		},
+	}
+
+	binaryData, err := proto.Marshal(attestation)
+	require.NoError(t, err)
+
+	binaryFile := filepath.Join(tempDir, "attestation.pb")
+	require.NoError(t, os.WriteFile(binaryFile, binaryData, 0o644))
+
+	textData, err := prototext.Marshal(attestation)
+	require.NoError(t, err)
+
+	textFile := filepath.Join(tempDir, "attestation.txtpb")
+	require.NoError(t, os.WriteFile(textFile, textData, 0o644))
+
+	tests := []struct {
+		name      string
+		args      []string
+		format    string
+		expectErr bool
+	}{
+		{
+			name:      "binary protobuf format",
+			args:      []string{binaryFile},
+			format:    FormatBinaryPB,
+			expectErr: false,
+		},
+		{
+			name:      "text protobuf format",
+			args:      []string{textFile},
+			format:    FormatTextProto,
+			expectErr: false,
+		},
+		{
+			name:      "invalid format",
+			args:      []string{binaryFile},
+			format:    "invalid",
+			expectErr: true,
+		},
+		{
+			name:      "nonexistent file",
+			args:      []string{filepath.Join(tempDir, "nonexistent.pb")},
+			format:    FormatBinaryPB,
+			expectErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			format = tt.format
+
+			result, err := returnvTPMAttestation(tt.args)
+
+			if tt.expectErr {
+				assert.Error(t, err)
+				assert.Nil(t, result)
+			} else {
+				assert.NoError(t, err)
+				assert.NotNil(t, result)
+				assert.NotEmpty(t, result)
+			}
+		})
+	}
+}
+
+func TestVtpmSevSnpverify(t *testing.T) {
+	stepping = ""
+	platformInfo = ""
+	trustedAuthorHashes = []string{}
+	trustedIdKeyHashes = []string{}
+	cfg = check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
+	tempDir := t.TempDir()
+
+	attestation := &tpmAttest.Attestation{
+		Quotes: []*tpm.Quote{
+			{
+				Quote:  []byte("test quote"),
+				RawSig: []byte("test signature"),
+			},
+		},
+	}
+
+	binaryData, err := proto.Marshal(attestation)
+	require.NoError(t, err)
+
+	attestationFile := filepath.Join(tempDir, "vtpm_attestation.pb")
+	require.NoError(t, os.WriteFile(attestationFile, binaryData, 0o644))
+
+	tests := []struct {
+		name      string
+		args      []string
+		setupMock func(*mocks.Verifier)
+		expectErr bool
+	}{
+		{
+			name: "successful verification",
+			args: []string{attestationFile},
+			setupMock: func(m *mocks.Verifier) {
+				m.On("VerifyAttestation", mock.Anything, mock.Anything, mock.Anything).Return(nil)
+			},
+			expectErr: false,
+		},
+		{
+			name: "verification failure",
+			args: []string{attestationFile},
+			setupMock: func(m *mocks.Verifier) {
+				m.On("VerifyAttestation", mock.Anything, mock.Anything, mock.Anything).Return(fmt.Errorf("verification failed"))
+			},
+			expectErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cfg = check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
+			cfgString = ""
+			format = FormatBinaryPB
+
+			mockVerifier := new(mocks.Verifier)
+			tt.setupMock(mockVerifier)
+
+			err := vtpmSevSnpverify(tt.args, mockVerifier)
+
+			if tt.expectErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+			}
+
+			mockVerifier.AssertExpectations(t)
+		})
+	}
+}
+
+func TestVtpmverify(t *testing.T) {
+	tempDir := t.TempDir()
+
+	attestation := &tpmAttest.Attestation{
+		Quotes: []*tpm.Quote{
+			{
+				Quote:  []byte("test quote"),
+				RawSig: []byte("test signature"),
+			},
+		},
+	}
+
+	binaryData, err := proto.Marshal(attestation)
+	require.NoError(t, err)
+
+	attestationFile := filepath.Join(tempDir, "vtpm_attestation.pb")
+	require.NoError(t, os.WriteFile(attestationFile, binaryData, 0o644))
+
+	tests := []struct {
+		name      string
+		args      []string
+		setupMock func(*mocks.Verifier)
+		expectErr bool
+	}{
+		{
+			name: "successful verification",
+			args: []string{attestationFile},
+			setupMock: func(m *mocks.Verifier) {
+				m.On("VerifVTpmAttestation", mock.Anything, mock.Anything).Return(nil)
+			},
+			expectErr: false,
+		},
+		{
+			name: "verification failure",
+			args: []string{attestationFile},
+			setupMock: func(m *mocks.Verifier) {
+				m.On("VerifVTpmAttestation", mock.Anything, mock.Anything).Return(fmt.Errorf("verification failed"))
+			},
+			expectErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			format = FormatBinaryPB
+
+			mockVerifier := new(mocks.Verifier)
+			tt.setupMock(mockVerifier)
+
+			err := vtpmverify(tt.args, mockVerifier)
+
+			if tt.expectErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+			}
+
+			mockVerifier.AssertExpectations(t)
+		})
+	}
+}
+
+func uint32Ptr(v uint32) *uint32 {
+	return &v
+}
+
+func uint64Ptr(v uint64) *uint64 {
+	return &v
+}

cli/attestation_tdx.go

@@ -0,0 +1,258 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package cli
+
+import (
+	"encoding/hex"
+	"fmt"
+	"io"
+	"os"
+	"strings"
+
+	"github.com/absmach/supermq/pkg/errors"
+	ccpb "github.com/google/go-tdx-guest/proto/checkconfig"
+	"github.com/spf13/cobra"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
+	"google.golang.org/protobuf/encoding/protojson"
+)
+
+var (
+	cfgTDX = &ccpb.Config{
+		RootOfTrust: &ccpb.RootOfTrust{},
+		Policy:      &ccpb.Policy{HeaderPolicy: &ccpb.HeaderPolicy{}, TdQuoteBodyPolicy: &ccpb.TDQuoteBodyPolicy{}},
+	}
+	rtmrsS             string
+	trustedRootS       string
+	errNumberRtmrs     = fmt.Errorf("expected 4 RTMRS values")
+	errDecodeRtmrs     = fmt.Errorf("failed to decode RTMRS hex string")
+	errTrustedRootPath = fmt.Errorf("trusted root path must be a file, not a directory")
+	errNotAFile        = fmt.Errorf("trusted root path must be a file")
+)
+
+func addTDXVerificationOptions(cmd *cobra.Command) *cobra.Command {
+	cmd.Flags().BytesHexVar(
+		&cfgTDX.Policy.HeaderPolicy.QeVendorId,
+		"qe_vendor_id",
+		[]byte{},
+		"The expected QE_VENDOR_ID field as a hex string. Must encode 16 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfgTDX.Policy.TdQuoteBodyPolicy.MrSeam,
+		"mr_seam",
+		[]byte{},
+		"The expected MR_SEAM field as a hex string. Must encode 48 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfgTDX.Policy.TdQuoteBodyPolicy.TdAttributes,
+		"td_attributes",
+		[]byte{},
+		"The expected TD_ATTRIBUTES field as a hex string. Must encode 8 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfgTDX.Policy.TdQuoteBodyPolicy.Xfam,
+		"xfam",
+		[]byte{},
+		"The expected XFAM field as a hex string. Must encode 8 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfgTDX.Policy.TdQuoteBodyPolicy.MrTd,
+		"mr_td",
+		[]byte{},
+		"The expected MR_TD field as a hex string. Must encode 48 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfgTDX.Policy.TdQuoteBodyPolicy.MrConfigId,
+		"mr_config_id",
+		[]byte{},
+		"The expected MR_CONFIG_ID field as a hex string. Must encode 48 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfgTDX.Policy.TdQuoteBodyPolicy.MrOwnerConfig,
+		"mr_owner",
+		[]byte{},
+		"The expected MR_OWNER field as a hex string. Must encode 48 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfgTDX.Policy.TdQuoteBodyPolicy.MrOwnerConfig,
+		"mr_config_owner",
+		[]byte{},
+		"The expected MR_OWNER_CONFIG field as a hex string. Must encode 48 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().BytesHexVar(
+		&cfgTDX.Policy.TdQuoteBodyPolicy.MinimumTeeTcbSvn,
+		"minimum_tee_tcb_svn",
+		[]byte{},
+		"The minimum acceptable value for TEE_TCB_SVN field as a hex string. Must encode 16 bytes. Unchecked if unset.",
+	)
+	cmd.Flags().StringVar(
+		&rtmrsS,
+		"rtmrs",
+		"",
+		"Comma-separated hex strings representing expected values of RTMRS field. Expected 4 strings, either empty or each must encode 48 bytes. Unchecked if unset",
+	)
+	cmd.Flags().StringVar(
+		&trustedRootS,
+		"trusted_root",
+		"",
+		"Comma-separated paths to CA bundles for the Intel TDX. Must be in PEM format, Root CA certificate. If unset, uses embedded root certificate.",
+	)
+	cmd.Flags().Uint32Var(
+		&cfgTDX.Policy.HeaderPolicy.MinimumQeSvn,
+		"minimum_qe_svn",
+		0,
+		"The minimum acceptable value for QE_SVN field.",
+	)
+	cmd.Flags().Uint32Var(
+		&cfgTDX.Policy.HeaderPolicy.MinimumPceSvn,
+		"minimum_pce_svn",
+		0,
+		"The minimum acceptable value for PCE_SVN field.",
+	)
+	cmd.Flags().BoolVar(
+		&cfgTDX.RootOfTrust.GetCollateral,
+		"get_collateral",
+		false,
+		"If true, then permitted to download necessary collaterals for additional checks.",
+	)
+
+	return cmd
+}
+
+func parseRtmrs() ([][]byte, error) {
+	if rtmrsS == "" {
+		return nil, nil // No RTMRS provided, return nil
+	}
+
+	hexString := strings.Split(rtmrsS, ",")
+	if len(hexString) != 4 {
+		return nil, errNumberRtmrs
+	}
+
+	var result [][]byte
+	for _, hexStr := range hexString {
+		h, err := hex.DecodeString(strings.TrimSpace(hexStr))
+		if err != nil {
+			return nil, errors.Wrap(errDecodeRtmrs, err)
+		}
+
+		result = append(result, h)
+	}
+
+	return result, nil
+}
+
+func parseTrustedRoot() ([]string, error) {
+	if trustedRootS == "" {
+		return nil, nil // No trusted roots provided, return nil
+	}
+
+	roots := strings.Split(trustedRootS, ",")
+	var result []string
+	for _, root := range roots {
+		p := strings.TrimSpace(root)
+		state, err := os.Stat(p)
+		if err != nil {
+			return nil, errors.Wrap(errTrustedRootPath, err)
+		}
+		if state.IsDir() {
+			return nil, errNotAFile
+		}
+
+		result = append(result, p)
+	}
+
+	return result, nil
+}
+
+func parseTDXConfig() error {
+	if cfgString == "" {
+		return nil // No config provided, return nil
+	}
+
+	policyByte, err := os.ReadFile(cfgString)
+	if err != nil {
+		return err
+	}
+
+	if err := protojson.Unmarshal(policyByte, cfgTDX); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func validateTDXFlags() error {
+	if err := parseTDXConfig(); err != nil {
+		return err
+	}
+
+	rtrms, err := parseRtmrs()
+	if err != nil {
+		return err
+	}
+	if rtrms != nil {
+		cfgTDX.Policy.TdQuoteBodyPolicy.Rtmrs = rtrms
+	}
+	trustedRoots, err := parseTrustedRoot()
+	if err != nil {
+		return err
+	}
+	if trustedRoots != nil {
+		cfgTDX.RootOfTrust.CabundlePaths = trustedRoots
+	}
+
+	if err := validateTDXinput(); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func tdxVerify(reportFilePath string, verifier attestation.Verifier) error {
+	attestationFile = reportFilePath
+	input, err := openInputFile()
+	if err != nil {
+		return err
+	}
+	if closer, ok := input.(*os.File); ok {
+		defer closer.Close()
+	}
+	attestationBytes, err := io.ReadAll(input)
+	if err != nil {
+		return err
+	}
+
+	return verifier.VerifyAttestation(attestationBytes, reportData, nil)
+}
+
+func validateTDXinput() error {
+	if err := validateFieldLength("qe_vendor_id", cfgTDX.Policy.HeaderPolicy.QeVendorId, size16); err != nil {
+		return err
+	}
+	if err := validateFieldLength("mr_seam", cfgTDX.Policy.TdQuoteBodyPolicy.MrSeam, size48); err != nil {
+		return err
+	}
+	if err := validateFieldLength("td_attributes", cfgTDX.Policy.TdQuoteBodyPolicy.TdAttributes, size8); err != nil {
+		return err
+	}
+	if err := validateFieldLength("xfam", cfgTDX.Policy.TdQuoteBodyPolicy.Xfam, size8); err != nil {
+		return err
+	}
+	if err := validateFieldLength("mr_td", cfgTDX.Policy.TdQuoteBodyPolicy.MrTd, size48); err != nil {
+		return err
+	}
+	if err := validateFieldLength("mr_config_id", cfgTDX.Policy.TdQuoteBodyPolicy.MrConfigId, size48); err != nil {
+		return err
+	}
+	if err := validateFieldLength("mr_owner", cfgTDX.Policy.TdQuoteBodyPolicy.MrOwnerConfig, size48); err != nil {
+		return err
+	}
+	if err := validateFieldLength("mr_config_owner", cfgTDX.Policy.TdQuoteBodyPolicy.MrOwnerConfig, size48); err != nil {
+		return err
+	}
+	if err := validateFieldLength("minimum_tee_tcb_svn", cfgTDX.Policy.TdQuoteBodyPolicy.MinimumTeeTcbSvn, size16); err != nil {
+		return err
+	}
+
+	return nil
+}

cli/cache.go

@@ -12,7 +12,8 @@ import (
 	"github.com/google/go-sev-guest/proto/check"
 	"github.com/google/go-sev-guest/verify/trust"
 	"github.com/spf13/cobra"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 )
 
 const (
@@ -27,8 +28,8 @@ func (cli *CLI) NewCABundleCmd(fileSavePath string) *cobra.Command {
 		Example: "ca-bundle <path_to_platform_info_json>",
 		Args:    cobra.ExactArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
-			attestationConfiguration := config.Config{Config: &check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}, PcrConfig: &config.PcrConfig{}}
-			err := config.ReadAttestationPolicy(args[0], &attestationConfiguration)
+			attestationConfiguration := attestation.Config{Config: &check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}, PcrConfig: &attestation.PcrConfig{}}
+			err := vtpm.ReadPolicy(args[0], &attestationConfiguration)
 			if err != nil {
 				printError(cmd, "Error while reading manifest: %v ❌ ", err)
 				return

cli/datasets.go

@@ -9,7 +9,7 @@ import (
 	"os"
 	"path"
 
-	"github.com/absmach/magistrala/pkg/errors"
+	"github.com/absmach/supermq/pkg/errors"
 	"github.com/fatih/color"
 	"github.com/spf13/cobra"
 	"github.com/ultravioletrs/cocos/agent"
@@ -44,6 +44,7 @@ func (cli *CLI) NewDatasetsCmd() *cobra.Command {
 			var dataset *os.File
 
 			if f.IsDir() {
+				cmd.Println("Detected directory, zipping dataset...")
 				dataset, err = internal.ZipDirectoryToTempFile(datasetPath)
 				if err != nil {
 					printError(cmd, "Error zipping dataset directory: %v ❌ ", err)
@@ -88,7 +89,7 @@ func (cli *CLI) NewDatasetsCmd() *cobra.Command {
 	return cmd
 }
 
-func decodeKey(b *pem.Block) (interface{}, error) {
+func decodeKey(b *pem.Block) (any, error) {
 	if b == nil {
 		return nil, errors.New("error decoding key")
 	}

cli/errors.go

@@ -3,7 +3,7 @@
 package cli
 
 import (
-	"github.com/absmach/magistrala/pkg/errors"
+	"github.com/absmach/supermq/pkg/errors"
 	"github.com/fatih/color"
 	"github.com/spf13/cobra"
 	"github.com/ultravioletrs/cocos/agent/auth"

cli/errors_test.go

@@ -7,7 +7,7 @@ import (
 	"errors"
 	"testing"
 
-	mgerrors "github.com/absmach/magistrala/pkg/errors"
+	mgerrors "github.com/absmach/supermq/pkg/errors"
 	"github.com/fatih/color"
 	"github.com/spf13/cobra"
 	"github.com/ultravioletrs/cocos/agent/auth"

cli/ima_measurements.go

@@ -0,0 +1,96 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package cli
+
+import (
+	"bufio"
+	"crypto/sha1"
+	"encoding/hex"
+	"os"
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/spf13/cobra"
+	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
+)
+
+const (
+	imaMeasurementsFilename = "ima_measurements"
+)
+
+func (cli *CLI) NewIMAMeasurementsCmd() *cobra.Command {
+	return &cobra.Command{
+		Use:     "ima-measurements",
+		Short:   "Retrieve Linux IMA measurements file",
+		Example: "ima-measurements <optional_file_name>",
+		Run: func(cmd *cobra.Command, args []string) {
+			if cli.connectErr != nil {
+				printError(cmd, "Failed to connect to agent: %v ❌ ", cli.connectErr)
+				return
+			}
+
+			cmd.Println("⏳ Retrieving computation Linux IMA measurements file")
+
+			filename := imaMeasurementsFilename
+			if len(args) >= 1 {
+				filename = args[0]
+			}
+
+			imaMeasurementsFile, err := os.Create(filename)
+			if err != nil {
+				printError(cmd, "Error creating imaMeasurements file: %v ❌ ", err)
+				return
+			}
+			defer imaMeasurementsFile.Close()
+
+			pcr10, err := cli.agentSDK.IMAMeasurements(cmd.Context(), imaMeasurementsFile)
+			if err != nil {
+				printError(cmd, "Error retrieving Linux IMA measurements file: %v ❌ ", err)
+				return
+			}
+
+			cmd.Println(color.New(color.FgGreen).Sprintf("Linux IMA measurements file retrieved and saved successfully as %s! PCR10 = %s ✔ ", filename, hex.EncodeToString(pcr10)))
+
+			calculatedPCR10 := make([]byte, vtpm.Hash1)
+
+			file, err := os.Open(filename)
+			if err != nil {
+				printError(cmd, "Failed to open file: %v ❌ ", err)
+			}
+			defer file.Close()
+
+			scanner := bufio.NewScanner(file)
+
+			for scanner.Scan() {
+				line := scanner.Text()
+				parts := strings.Fields(line)
+
+				if parts[0] != "10" {
+					continue
+				}
+
+				digestHex := parts[1]
+				if digestHex == strings.Repeat("0", 40) {
+					digestHex = strings.Repeat("f", 40)
+				}
+
+				digest, err := hex.DecodeString(digestHex)
+				if err != nil {
+					printError(cmd, "Failed to decode digest: %v ❌ ", err)
+					continue
+				}
+
+				hasher := sha1.New()
+				hasher.Write(calculatedPCR10)
+				hasher.Write(digest)
+				calculatedPCR10 = hasher.Sum(nil)
+			}
+
+			if hex.EncodeToString(pcr10) != hex.EncodeToString(calculatedPCR10) {
+				printError(cmd, "Measurements file not verified ❌ ", err)
+			} else {
+				cmd.Println(color.New(color.FgGreen).Sprintf("Measurements file verified!"))
+			}
+		},
+	}
+}

cli/ima_measurements_test.go

@@ -0,0 +1,169 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+
+package cli
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/ultravioletrs/cocos/pkg/sdk/mocks"
+)
+
+func TestCLI_NewIMAMeasurementsCmd(t *testing.T) {
+	testCases := []struct {
+		name              string
+		args              []string
+		connectErr        error
+		mockIMAData       string
+		mockError         error
+		expectedFilename  string
+		expectedOutput    []string
+		expectedError     []string
+		shouldCreateFile  bool
+		fileCreationError bool
+		invalidDigestData bool
+		setupCustomFile   func(filename string) error
+	}{
+		{
+			name:             "successful_retrieval_default_filename",
+			args:             []string{},
+			connectErr:       nil,
+			mockIMAData:      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+			mockError:        nil,
+			expectedFilename: imaMeasurementsFilename,
+			expectedOutput:   []string{"⏳ Retrieving computation Linux IMA measurements file", "Linux IMA measurements file retrieved and saved successfully", "PCR10 = 0000000000000000000000000000000000000000", "Measurements file verified!"},
+			shouldCreateFile: true,
+		},
+		{
+			name:             "successful_retrieval_custom_filename",
+			args:             []string{"custom_ima_file.txt"},
+			connectErr:       nil,
+			mockIMAData:      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+			mockError:        nil,
+			expectedFilename: "custom_ima_file.txt",
+			expectedOutput:   []string{"⏳ Retrieving computation Linux IMA measurements file", "custom_ima_file.txt", "Measurements file verified!"},
+			shouldCreateFile: true,
+		},
+		{
+			name:          "connection_error",
+			args:          []string{},
+			connectErr:    fmt.Errorf("connection failed"),
+			expectedError: []string{"Failed to connect to agent: connection failed ❌"},
+		},
+		{
+			name:              "file_creation_error",
+			args:              []string{"/invalid/path/file.txt"},
+			connectErr:        nil,
+			fileCreationError: true,
+			expectedError:     []string{"Error creating imaMeasurements file:"},
+		},
+		{
+			name:          "sdk_error",
+			args:          []string{},
+			connectErr:    nil,
+			mockError:     fmt.Errorf("SDK communication failed"),
+			expectedError: []string{"Error retrieving Linux IMA measurements file: SDK communication failed ❌"},
+		},
+		{
+			name:             "verification_failure_wrong_pcr",
+			args:             []string{},
+			connectErr:       nil,
+			mockIMAData:      "10 9999999999999999999999999999999999999999 ima-ng sha1:0000000000000000000000000000000000000000 /usr/bin/test",
+			mockError:        nil,
+			expectedOutput:   []string{"⏳ Retrieving computation Linux IMA measurements file", "Linux IMA measurements file retrieved and saved successfully"},
+			expectedError:    []string{"Measurements file not verified ❌"},
+			shouldCreateFile: true,
+		},
+		{
+			name:             "empty_measurements_file",
+			args:             []string{},
+			connectErr:       nil,
+			mockIMAData:      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+			mockError:        nil,
+			expectedOutput:   []string{"⏳ Retrieving computation Linux IMA measurements file", "Linux IMA measurements file retrieved and saved successfully", "Measurements file verified!"},
+			shouldCreateFile: true,
+		},
+		{
+			name:             "measurements_with_non_pcr10_entries",
+			args:             []string{},
+			connectErr:       nil,
+			mockIMAData:      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+			mockError:        nil,
+			expectedOutput:   []string{"⏳ Retrieving computation Linux IMA measurements file", "Linux IMA measurements file retrieved and saved successfully", "Measurements file verified!"},
+			shouldCreateFile: true,
+		},
+		{
+			name:             "measurements_with_zero_digest_replacement",
+			args:             []string{},
+			connectErr:       nil,
+			mockIMAData:      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
+			mockError:        nil,
+			expectedOutput:   []string{"⏳ Retrieving computation Linux IMA measurements file", "Linux IMA measurements file retrieved and saved successfully", "Measurements file verified!"},
+			shouldCreateFile: true,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			mockSDK := new(mocks.SDK)
+
+			cli := &CLI{
+				agentSDK:   mockSDK,
+				connectErr: tc.connectErr,
+			}
+
+			if tc.connectErr == nil && !tc.fileCreationError {
+				mockSDK.On("IMAMeasurements", mock.Anything, mock.Anything).Return([]byte(tc.mockIMAData), tc.mockError)
+			}
+
+			cmd := cli.NewIMAMeasurementsCmd()
+
+			var output bytes.Buffer
+			cmd.SetOut(&output)
+			cmd.SetErr(&output)
+
+			expectedFilename := tc.expectedFilename
+			if expectedFilename == "" {
+				if len(tc.args) > 0 {
+					expectedFilename = tc.args[0]
+				} else {
+					expectedFilename = imaMeasurementsFilename
+				}
+			}
+
+			if tc.setupCustomFile != nil {
+				err := tc.setupCustomFile(expectedFilename)
+				assert.NoError(t, err)
+			}
+
+			cmd.SetArgs(tc.args)
+			err := cmd.Execute()
+			assert.NoError(t, err, "Command execution failed")
+
+			outputStr := output.String()
+
+			for _, expectedMsg := range tc.expectedOutput {
+				assert.Contains(t, outputStr, expectedMsg, "Expected output message not found")
+			}
+
+			for _, expectedErr := range tc.expectedError {
+				assert.Contains(t, outputStr, expectedErr, "Expected error message not found")
+			}
+
+			if tc.shouldCreateFile && tc.connectErr == nil && !tc.fileCreationError && tc.mockError == nil {
+				if _, err := os.Stat(expectedFilename); err == nil {
+					os.Remove(expectedFilename)
+				}
+			}
+
+			if tc.connectErr == nil && !tc.fileCreationError {
+				mockSDK.AssertExpectations(t)
+			}
+		})
+	}
+}

cli/keys.go

@@ -96,7 +96,7 @@ func (cli *CLI) NewKeysCmd() *cobra.Command {
 	}
 }
 
-func generateAndWriteKeys(privKey interface{}, pubKeyBytes []byte, keyType string) error {
+func generateAndWriteKeys(privKey any, pubKeyBytes []byte, keyType string) error {
 	privFile, err := os.Create(privateKeyFile)
 	if err != nil {
 		return err

cli/keys_test.go

@@ -57,7 +57,7 @@ func TestGenerateAndWriteKeys(t *testing.T) {
 				t.Fatalf("Failed to decode private key PEM")
 			}
 
-			var privKey interface{}
+			var privKey any
 			switch tt.keyType {
 			case "rsa":
 				privKey, err = x509.ParsePKCS1PrivateKey(privPem.Bytes)

cli/manager.go

@@ -38,9 +38,11 @@ func (c *CLI) NewCreateVMCmd() *cobra.Command {
 		Example: `create-vm`,
 		Args:    cobra.ExactArgs(0),
 		Run: func(cmd *cobra.Command, args []string) {
-			if err := c.InitializeManagerClient(cmd); err != nil {
-				printError(cmd, "Failed to connect to manager: %v ❌ ", c.connectErr)
-				return
+			if c.managerClient == nil || c.connectErr != nil {
+				if err := c.InitializeManagerClient(cmd); err != nil {
+					printError(cmd, "Failed to connect to manager: %v ❌ ", c.connectErr)
+					return
+				}
 			}
 			defer c.Close()
 
@@ -74,7 +76,7 @@ func (c *CLI) NewCreateVMCmd() *cobra.Command {
 	cmd.Flags().StringVar(&agentCVMServerCA, serverCA, "", "CVM server CA")
 	cmd.Flags().StringVar(&agentCVMClientKey, clientKey, "", "CVM client key")
 	cmd.Flags().StringVar(&agentCVMClientCrt, clientCrt, "", "CVM client crt")
-	cmd.Flags().StringVar(&agentCVMCaUrl, agentCVMCaUrl, "", "CVM CA service URL")
+	cmd.Flags().StringVar(&agentCVMCaUrl, caUrl, "", "CVM CA service URL")
 	cmd.Flags().StringVar(&agentLogLevel, logLevel, "", "Agent Log level")
 	cmd.Flags().DurationVar(&ttl, ttlFlag, 0, "TTL for the VM")
 	if err := cmd.MarkFlagRequired(serverURL); err != nil {
@@ -92,14 +94,13 @@ func (c *CLI) NewRemoveVMCmd() *cobra.Command {
 		Example: `remove-vm <cvm_id>`,
 		Args:    cobra.ExactArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
-			if err := c.InitializeManagerClient(cmd); err == nil {
-				defer c.Close()
-			}
-
-			if c.connectErr != nil {
-				printError(cmd, "Failed to connect to manager: %v ❌ ", c.connectErr)
-				return
+			if c.managerClient == nil || c.connectErr != nil {
+				if err := c.InitializeManagerClient(cmd); err != nil {
+					printError(cmd, "Failed to connect to manager: %v ❌ ", err)
+					return
+				}
 			}
+			defer c.Close()
 
 			cmd.Println("🔗 Removing virtual machine")
 

cli/manager_test.go

@@ -0,0 +1,600 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package cli
+
+import (
+	"bytes"
+	"errors"
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+	"github.com/ultravioletrs/cocos/manager"
+	"github.com/ultravioletrs/cocos/manager/mocks"
+	"google.golang.org/protobuf/types/known/emptypb"
+)
+
+func TestCLI_NewCreateVMCmd(t *testing.T) {
+	tests := []struct {
+		name           string
+		setupMock      func(*mocks.ManagerServiceClient)
+		setupCLI       func(*CLI)
+		setupFiles     func(string) error
+		flags          map[string]string
+		expectedOutput string
+		expectedError  string
+		expectError    bool
+	}{
+		{
+			name: "successful VM creation with all flags",
+			setupMock: func(m *mocks.ManagerServiceClient) {
+				m.On("CreateVm", mock.Anything, mock.MatchedBy(func(req *manager.CreateReq) bool {
+					return req.AgentCvmServerUrl == "https://server.com" &&
+						req.AgentLogLevel == "debug" &&
+						req.AgentCvmCaUrl == "https://ca.com" &&
+						req.Ttl == "1h0m0s" &&
+						string(req.AgentCvmServerCaCert) == "ca-cert-content" &&
+						string(req.AgentCvmClientKey) == "client-key-content" &&
+						string(req.AgentCvmClientCert) == "client-cert-content"
+				})).Return(&manager.CreateRes{
+					CvmId:         "vm-123",
+					ForwardedPort: "8080",
+				}, nil)
+			},
+			setupCLI: func(cli *CLI) {
+			},
+			setupFiles: func(tmpDir string) error {
+				files := map[string]string{
+					"server-ca.pem":  "ca-cert-content",
+					"client-key.pem": "client-key-content",
+					"client-crt.pem": "client-cert-content",
+				}
+				for filename, content := range files {
+					if err := os.WriteFile(filepath.Join(tmpDir, filename), []byte(content), 0o644); err != nil {
+						return err
+					}
+				}
+				return nil
+			},
+			flags: map[string]string{
+				"server-url": "https://server.com",
+				"server-ca":  "server-ca.pem",
+				"client-key": "client-key.pem",
+				"client-crt": "client-crt.pem",
+				"ca-url":     "https://ca.com",
+				"log-level":  "debug",
+				"ttl":        "1h",
+			},
+			expectedOutput: "✅ Virtual machine created successfully with id vm-123 and port 8080",
+			expectError:    false,
+		},
+		{
+			name: "successful VM creation with minimal flags",
+			setupMock: func(m *mocks.ManagerServiceClient) {
+				m.On("CreateVm", mock.Anything, mock.MatchedBy(func(req *manager.CreateReq) bool {
+					return req.AgentCvmServerUrl == "https://server.com" &&
+						req.AgentLogLevel == "" &&
+						req.AgentCvmCaUrl == "" &&
+						req.Ttl == "" &&
+						len(req.AgentCvmServerCaCert) == 0 &&
+						len(req.AgentCvmClientKey) == 0 &&
+						len(req.AgentCvmClientCert) == 0
+				})).Return(&manager.CreateRes{
+					CvmId:         "vm-456",
+					ForwardedPort: "9090",
+				}, nil)
+			},
+			setupCLI: func(cli *CLI) {
+			},
+			setupFiles: func(tmpDir string) error {
+				return nil // No files needed for minimal test
+			},
+			flags: map[string]string{
+				"server-url": "https://server.com",
+			},
+			expectedOutput: "✅ Virtual machine created successfully with id vm-456 and port 9090",
+			expectError:    false,
+		},
+		{
+			name: "manager client initialization failure",
+			setupMock: func(m *mocks.ManagerServiceClient) {
+				// No expectations set as initialization fails
+			},
+			setupCLI: func(cli *CLI) {
+				cli.connectErr = errors.New("connection failed")
+			},
+			setupFiles: func(tmpDir string) error {
+				return nil
+			},
+			flags: map[string]string{
+				"server-url": "https://server.com",
+			},
+			expectedError: "failed to exit idle mode: dns resolver: missing address ❌",
+			expectError:   true,
+		},
+		{
+			name: "certificate loading failure",
+			setupMock: func(m *mocks.ManagerServiceClient) {
+				// No expectations set as cert loading fails
+			},
+			setupCLI: func(cli *CLI) {
+			},
+			setupFiles: func(tmpDir string) error {
+				return nil // Don't create the cert file
+			},
+			flags: map[string]string{
+				"server-url": "https://server.com",
+				"server-ca":  "nonexistent-ca.pem",
+			},
+			expectedError: "Error loading certs:",
+			expectError:   true,
+		},
+		{
+			name: "CreateVm API call failure",
+			setupMock: func(m *mocks.ManagerServiceClient) {
+				m.On("CreateVm", mock.Anything, mock.Anything).Return(nil, errors.New("API error"))
+			},
+			setupCLI: func(cli *CLI) {
+			},
+			setupFiles: func(tmpDir string) error {
+				return nil
+			},
+			flags: map[string]string{
+				"server-url": "https://server.com",
+			},
+			expectedError: "Error creating virtual machine: API error ❌",
+			expectError:   true,
+		},
+		{
+			name: "missing required server-url flag",
+			setupMock: func(m *mocks.ManagerServiceClient) {
+				// No expectations set as command validation fails
+			},
+			setupCLI: func(cli *CLI) {
+			},
+			setupFiles: func(tmpDir string) error {
+				return nil
+			},
+			flags:       map[string]string{}, // No server-url flag
+			expectError: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tmpDir, err := os.MkdirTemp("", "cli-test-")
+			require.NoError(t, err)
+			defer os.RemoveAll(tmpDir)
+
+			oldDir, err := os.Getwd()
+			require.NoError(t, err)
+			err = os.Chdir(tmpDir)
+			require.NoError(t, err)
+			t.Cleanup(func() {
+				err := os.Chdir(oldDir)
+				require.NoError(t, err)
+			})
+
+			err = tt.setupFiles(tmpDir)
+			require.NoError(t, err)
+
+			mockClient := new(mocks.ManagerServiceClient)
+			tt.setupMock(mockClient)
+
+			mockCLI := &CLI{
+				managerClient: mockClient,
+			}
+
+			tt.setupCLI(mockCLI)
+
+			cmd := mockCLI.NewCreateVMCmd()
+
+			for flag, value := range tt.flags {
+				err := cmd.Flags().Set(flag, value)
+				require.NoError(t, err)
+			}
+
+			var buf bytes.Buffer
+			cmd.SetOut(&buf)
+			cmd.SetErr(&buf)
+
+			err = cmd.Execute()
+
+			if tt.expectError {
+				if tt.expectedError != "" {
+					assert.Contains(t, buf.String(), tt.expectedError)
+				}
+			} else {
+				assert.NoError(t, err)
+				if tt.expectedOutput != "" {
+					assert.Contains(t, buf.String(), tt.expectedOutput)
+				}
+			}
+
+			mockClient.AssertExpectations(t)
+		})
+	}
+}
+
+func TestCLI_NewRemoveVMCmd(t *testing.T) {
+	tests := []struct {
+		name           string
+		setupMock      func(*mocks.ManagerServiceClient)
+		setupCLI       func(*CLI)
+		args           []string
+		expectedOutput string
+		expectedError  string
+		expectError    bool
+	}{
+		{
+			name: "successful VM removal",
+			setupMock: func(m *mocks.ManagerServiceClient) {
+				m.On("RemoveVm", mock.Anything, &manager.RemoveReq{
+					CvmId: "vm-123",
+				}).Return(&emptypb.Empty{}, nil)
+			},
+			setupCLI: func(cli *CLI) {
+			},
+			args:           []string{"vm-123"},
+			expectedOutput: "✅ Virtual machine removed successfully",
+			expectError:    false,
+		},
+		{
+			name: "manager client initialization failure",
+			setupMock: func(m *mocks.ManagerServiceClient) {
+				// No expectations set as initialization fails
+			},
+			setupCLI: func(cli *CLI) {
+				cli.connectErr = errors.New("connection failed")
+			},
+			args:          []string{"vm-123"},
+			expectedError: "failed to exit idle mode: dns resolver: missing address ❌",
+			expectError:   true,
+		},
+		{
+			name: "RemoveVm API call failure",
+			setupMock: func(m *mocks.ManagerServiceClient) {
+				m.On("RemoveVm", mock.Anything, &manager.RemoveReq{
+					CvmId: "vm-456",
+				}).Return(nil, errors.New("removal failed"))
+			},
+			setupCLI: func(cli *CLI) {
+			},
+			args:          []string{"vm-456"},
+			expectedError: "Error removing virtual machine: removal failed ❌",
+			expectError:   true,
+		},
+		{
+			name: "missing VM ID argument",
+			setupMock: func(m *mocks.ManagerServiceClient) {
+				// No expectations set as command validation fails
+			},
+			setupCLI: func(cli *CLI) {
+			},
+			args:        []string{}, // No VM ID provided
+			expectError: true,
+		},
+		{
+			name: "too many arguments",
+			setupMock: func(m *mocks.ManagerServiceClient) {
+				// No expectations set as command validation fails
+			},
+			setupCLI: func(cli *CLI) {
+			},
+			args:        []string{"vm-123", "extra-arg"},
+			expectError: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mockClient := new(mocks.ManagerServiceClient)
+			tt.setupMock(mockClient)
+
+			mockCLI := &CLI{
+				managerClient: mockClient,
+			}
+			tt.setupCLI(mockCLI)
+
+			cmd := mockCLI.NewRemoveVMCmd()
+
+			cmd.SetArgs(tt.args)
+
+			var buf bytes.Buffer
+			cmd.SetOut(&buf)
+			cmd.SetErr(&buf)
+
+			err := cmd.Execute()
+
+			if tt.expectError {
+				if tt.expectedError != "" {
+					assert.Contains(t, buf.String(), tt.expectedError)
+				}
+			} else {
+				assert.NoError(t, err)
+				if tt.expectedOutput != "" {
+					assert.Contains(t, buf.String(), tt.expectedOutput)
+				}
+			}
+
+			mockClient.AssertExpectations(t)
+		})
+	}
+}
+
+func TestFileReader(t *testing.T) {
+	tests := []struct {
+		name           string
+		setupFile      func(string) (string, error)
+		path           string
+		expectedResult []byte
+		expectError    bool
+	}{
+		{
+			name: "successful file read",
+			setupFile: func(tmpDir string) (string, error) {
+				filePath := filepath.Join(tmpDir, "test.txt")
+				err := os.WriteFile(filePath, []byte("test content"), 0o644)
+				return filePath, err
+			},
+			expectedResult: []byte("test content"),
+			expectError:    false,
+		},
+		{
+			name: "empty path returns nil",
+			setupFile: func(tmpDir string) (string, error) {
+				return "", nil
+			},
+			path:           "",
+			expectedResult: nil,
+			expectError:    false,
+		},
+		{
+			name: "nonexistent file returns error",
+			setupFile: func(tmpDir string) (string, error) {
+				return filepath.Join(tmpDir, "nonexistent.txt"), nil
+			},
+			expectedResult: nil,
+			expectError:    true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tmpDir, err := os.MkdirTemp("", "fileReader-test-")
+			require.NoError(t, err)
+			defer os.RemoveAll(tmpDir)
+
+			filePath, err := tt.setupFile(tmpDir)
+			require.NoError(t, err)
+
+			if tt.path != "" {
+				filePath = tt.path
+			}
+
+			result, err := fileReader(filePath)
+
+			if tt.expectError {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, tt.expectedResult, result)
+			}
+		})
+	}
+}
+
+func TestLoadCerts(t *testing.T) {
+	tests := []struct {
+		name        string
+		setupFiles  func(string) error
+		setupGlobal func(string)
+		expectError bool
+		validate    func(*testing.T, *manager.CreateReq)
+	}{
+		{
+			name: "successful cert loading with all files",
+			setupFiles: func(tmpDir string) error {
+				files := map[string]string{
+					"client.key": "client-key-content",
+					"client.crt": "client-cert-content",
+					"server.ca":  "server-ca-content",
+				}
+				for filename, content := range files {
+					if err := os.WriteFile(filepath.Join(tmpDir, filename), []byte(content), 0o644); err != nil {
+						return err
+					}
+				}
+				return nil
+			},
+			setupGlobal: func(tmpDir string) {
+				agentCVMClientKey = filepath.Join(tmpDir, "client.key")
+				agentCVMClientCrt = filepath.Join(tmpDir, "client.crt")
+				agentCVMServerCA = filepath.Join(tmpDir, "server.ca")
+			},
+			expectError: false,
+			validate: func(t *testing.T, req *manager.CreateReq) {
+				assert.Equal(t, []byte("client-key-content"), req.AgentCvmClientKey)
+				assert.Equal(t, []byte("client-cert-content"), req.AgentCvmClientCert)
+				assert.Equal(t, []byte("server-ca-content"), req.AgentCvmServerCaCert)
+			},
+		},
+		{
+			name: "successful cert loading with empty paths",
+			setupFiles: func(tmpDir string) error {
+				return nil
+			},
+			setupGlobal: func(tmpDir string) {
+				agentCVMClientKey = ""
+				agentCVMClientCrt = ""
+				agentCVMServerCA = ""
+			},
+			expectError: false,
+			validate: func(t *testing.T, req *manager.CreateReq) {
+				assert.Nil(t, req.AgentCvmClientKey)
+				assert.Nil(t, req.AgentCvmClientCert)
+				assert.Nil(t, req.AgentCvmServerCaCert)
+			},
+		},
+		{
+			name: "client key file read error",
+			setupFiles: func(tmpDir string) error {
+				return nil // Don't create client key file
+			},
+			setupGlobal: func(tmpDir string) {
+				agentCVMClientKey = filepath.Join(tmpDir, "nonexistent.key")
+				agentCVMClientCrt = ""
+				agentCVMServerCA = ""
+			},
+			expectError: true,
+		},
+		{
+			name: "client cert file read error",
+			setupFiles: func(tmpDir string) error {
+				// Create client key but not cert
+				return os.WriteFile(filepath.Join(tmpDir, "client.key"), []byte("key-content"), 0o644)
+			},
+			setupGlobal: func(tmpDir string) {
+				agentCVMClientKey = filepath.Join(tmpDir, "client.key")
+				agentCVMClientCrt = filepath.Join(tmpDir, "nonexistent.crt")
+				agentCVMServerCA = ""
+			},
+			expectError: true,
+		},
+		{
+			name: "server CA file read error",
+			setupFiles: func(tmpDir string) error {
+				files := map[string]string{
+					"client.key": "client-key-content",
+					"client.crt": "client-cert-content",
+				}
+				for filename, content := range files {
+					if err := os.WriteFile(filepath.Join(tmpDir, filename), []byte(content), 0o644); err != nil {
+						return err
+					}
+				}
+				return nil
+			},
+			setupGlobal: func(tmpDir string) {
+				agentCVMClientKey = filepath.Join(tmpDir, "client.key")
+				agentCVMClientCrt = filepath.Join(tmpDir, "client.crt")
+				agentCVMServerCA = filepath.Join(tmpDir, "nonexistent.ca")
+			},
+			expectError: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tmpDir, err := os.MkdirTemp("", "loadCerts-test-")
+			require.NoError(t, err)
+			defer os.RemoveAll(tmpDir)
+
+			err = tt.setupFiles(tmpDir)
+			require.NoError(t, err)
+
+			// Store original global variables
+			origClientKey := agentCVMClientKey
+			origClientCrt := agentCVMClientCrt
+			origServerCA := agentCVMServerCA
+
+			// Setup global variables for test
+			tt.setupGlobal(tmpDir)
+
+			// Restore original values after test
+			defer func() {
+				agentCVMClientKey = origClientKey
+				agentCVMClientCrt = origClientCrt
+				agentCVMServerCA = origServerCA
+			}()
+
+			result, err := loadCerts()
+
+			if tt.expectError {
+				assert.Error(t, err)
+				assert.Nil(t, result)
+			} else {
+				assert.NoError(t, err)
+				assert.NotNil(t, result)
+				if tt.validate != nil {
+					tt.validate(t, result)
+				}
+			}
+		})
+	}
+}
+
+func TestCommandCreation(t *testing.T) {
+	cli := &CLI{}
+
+	t.Run("create-vm command creation", func(t *testing.T) {
+		cmd := cli.NewCreateVMCmd()
+		assert.NotNil(t, cmd)
+		assert.Equal(t, "create-vm", cmd.Use)
+		assert.Equal(t, "Create a new virtual machine", cmd.Short)
+
+		// Check that required flags are set
+		flag := cmd.Flags().Lookup("server-url")
+		assert.NotNil(t, flag)
+		// Note: We can't easily test MarkFlagRequired in unit tests
+	})
+
+	t.Run("remove-vm command creation", func(t *testing.T) {
+		cmd := cli.NewRemoveVMCmd()
+		assert.NotNil(t, cmd)
+		assert.Equal(t, "remove-vm", cmd.Use)
+		assert.Equal(t, "Remove a virtual machine", cmd.Short)
+	})
+}
+
+func TestTTLHandling(t *testing.T) {
+	tests := []struct {
+		name        string
+		ttlInput    string
+		expectedTTL time.Duration
+		expectError bool
+	}{
+		{
+			name:        "valid duration",
+			ttlInput:    "1h30m",
+			expectedTTL: time.Hour + 30*time.Minute,
+			expectError: false,
+		},
+		{
+			name:        "zero duration",
+			ttlInput:    "0",
+			expectedTTL: 0,
+			expectError: false,
+		},
+		{
+			name:        "empty string",
+			ttlInput:    "",
+			expectedTTL: 0,
+			expectError: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mockCLI := &CLI{
+				managerClient: new(mocks.ManagerServiceClient),
+			}
+
+			cmd := mockCLI.NewCreateVMCmd()
+
+			if tt.ttlInput != "" {
+				err := cmd.Flags().Set("ttl", tt.ttlInput)
+				if tt.expectError {
+					assert.Error(t, err)
+				} else {
+					assert.NoError(t, err)
+					assert.Equal(t, tt.expectedTTL, ttl)
+				}
+			}
+		})
+	}
+}

cli/sdk.go

@@ -8,6 +8,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/ultravioletrs/cocos/manager"
 	"github.com/ultravioletrs/cocos/pkg/attestation/cmdconfig"
+	"github.com/ultravioletrs/cocos/pkg/clients"
 	"github.com/ultravioletrs/cocos/pkg/clients/grpc"
 	"github.com/ultravioletrs/cocos/pkg/clients/grpc/agent"
 	managergrpc "github.com/ultravioletrs/cocos/pkg/clients/grpc/manager"
@@ -18,15 +19,15 @@ var Verbose bool
 
 type CLI struct {
 	agentSDK      sdk.SDK
-	agentConfig   grpc.AgentClientConfig
-	managerConfig grpc.ManagerClientConfig
+	agentConfig   clients.AttestedClientConfig
+	managerConfig clients.StandardClientConfig
 	client        grpc.Client
 	managerClient manager.ManagerServiceClient
 	connectErr    error
 	measurement   cmdconfig.MeasurementProvider
 }
 
-func New(agentConfig grpc.AgentClientConfig, managerConfig grpc.ManagerClientConfig, measurement cmdconfig.MeasurementProvider) *CLI {
+func New(agentConfig clients.AttestedClientConfig, managerConfig clients.StandardClientConfig, measurement cmdconfig.MeasurementProvider) *CLI {
 	return &CLI{
 		agentConfig:   agentConfig,
 		managerConfig: managerConfig,
@@ -40,7 +41,7 @@ func (c *CLI) InitializeAgentSDK(cmd *cobra.Command) error {
 		c.connectErr = err
 		return err
 	}
-	cmd.Println("🔗 Connected to agent using ", agentGRPCClient.Secure())
+	cmd.Println("🔗 Connected to agent ", agentGRPCClient.Secure())
 	c.client = agentGRPCClient
 
 	c.agentSDK = sdk.NewAgentSDK(agentClient)
@@ -62,5 +63,7 @@ func (c *CLI) InitializeManagerClient(cmd *cobra.Command) error {
 }
 
 func (c *CLI) Close() {
-	c.client.Close()
+	if c.client != nil {
+		c.client.Close()
+	}
 }

cmd/agent/main.go

@@ -8,20 +8,17 @@ import (
 	"crypto/sha512"
 	"crypto/x509"
 	"encoding/pem"
-	"errors"
 	"fmt"
 	"log"
 	"log/slog"
 	"os"
 	"os/signal"
 	"syscall"
-	"time"
 
-	mglog "github.com/absmach/magistrala/logger"
-	"github.com/absmach/magistrala/pkg/prometheus"
+	"github.com/absmach/certs/sdk"
+	mglog "github.com/absmach/supermq/logger"
+	"github.com/absmach/supermq/pkg/prometheus"
 	"github.com/caarlos0/env/v11"
-	"github.com/google/go-sev-guest/client"
-	"github.com/stretchr/testify/mock"
 	"github.com/ultravioletrs/cocos/agent"
 	"github.com/ultravioletrs/cocos/agent/api"
 	"github.com/ultravioletrs/cocos/agent/cvms"
@@ -29,10 +26,13 @@ import (
 	"github.com/ultravioletrs/cocos/agent/cvms/server"
 	"github.com/ultravioletrs/cocos/agent/events"
 	agentlogger "github.com/ultravioletrs/cocos/internal/logger"
-	attestationconfig "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/atls"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation/azure"
 	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
-	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider/mocks"
+	"github.com/ultravioletrs/cocos/pkg/attestation/tdx"
 	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
+	"github.com/ultravioletrs/cocos/pkg/clients"
 	pkggrpc "github.com/ultravioletrs/cocos/pkg/clients/grpc"
 	cvmsgrpc "github.com/ultravioletrs/cocos/pkg/clients/grpc/cvm"
 	"golang.org/x/sync/errgroup"
@@ -40,18 +40,21 @@ import (
 
 const (
 	svcName          = "agent"
-	defSvcGRPCPort   = "7002"
-	retryInterval    = 5 * time.Second
 	envPrefixCVMGRPC = "AGENT_CVM_GRPC_"
 	storageDir       = "/var/lib/cocos/agent"
 )
 
 type config struct {
-	LogLevel      string `env:"AGENT_LOG_LEVEL" envDefault:"debug"`
-	Vmpl          int    `env:"AGENT_VMPL" envDefault:"2"`
-	AgentGrpcHost string `env:"AGENT_GRPC_HOST" envDefault:"0.0.0.0"`
-	CAUrl         string `env:"AGENT_CVM_CA_URL" envDefault:""`
-	CVMId         string `env:"AGENT_CVM_ID" envDefault:""`
+	LogLevel      string `env:"AGENT_LOG_LEVEL"   envDefault:"debug"`
+	Vmpl          int    `env:"AGENT_VMPL"        envDefault:"2"`
+	AgentGrpcHost string `env:"AGENT_GRPC_HOST"   envDefault:"0.0.0.0"`
+	CAUrl         string `env:"AGENT_CVM_CA_URL"  envDefault:""`
+	CVMId         string `env:"AGENT_CVM_ID"      envDefault:""`
+	CertsToken    string `env:"AGENT_CERTS_TOKEN" envDefault:""`
+	AgentMaaURL   string `env:"AGENT_MAA_URL"     envDefault:"https://sharedeus2.eus2.attest.azure.net"`
+	AgentOSBuild  string `env:"AGENT_OS_BUILD"    envDefault:"UVC"`
+	AgentOSDistro string `env:"AGENT_OS_DISTRO"   envDefault:"UVC"`
+	AgentOSType   string `env:"AGENT_OS_TYPE"     envDefault:"UVC"`
 }
 
 func main() {
@@ -85,25 +88,32 @@ func main() {
 		return
 	}
 
-	var qp client.LeveledQuoteProvider
-	vtpmAttest := vtpm.Attest
+	var provider attestation.Provider
+	ccPlatform := attestation.CCPlatform()
 
-	if !sevGuesDeviceExists() {
-		logger.Info("SEV-SNP device not found")
-		qpMock := new(mocks.LeveledQuoteProvider)
-		qpMock.On("GetRawQuoteAtLevel", mock.Anything, mock.Anything).Return([]uint8{}, errors.New("SEV-SNP device not found"))
-		qp = qpMock
-		vtpmAttest = vtpm.EmptyAttest
-	} else {
-		qp, err = quoteprovider.GetLeveledQuoteProvider()
-		if err != nil {
-			logger.Error(fmt.Sprintf("failed to create quote provider %s", err.Error()))
-			exitCode = 1
-			return
-		}
+	azureConfig := azure.NewEnvConfigFromAgent(
+		cfg.AgentOSBuild,
+		cfg.AgentOSType,
+		cfg.AgentOSDistro,
+		cfg.AgentMaaURL,
+	)
+	azure.InitializeDefaultMAAVars(azureConfig)
+
+	switch ccPlatform {
+	case attestation.SNP:
+		provider = vtpm.NewProvider(false, uint(cfg.Vmpl))
+	case attestation.SNPvTPM:
+		provider = vtpm.NewProvider(true, uint(cfg.Vmpl))
+	case attestation.Azure:
+		provider = azure.NewProvider()
+	case attestation.TDX:
+		provider = tdx.NewProvider()
+	case attestation.NoCC:
+		logger.Info("TEE device not found")
+		provider = &attestation.EmptyProvider{}
 	}
 
-	cvmGrpcConfig := pkggrpc.CVMClientConfig{}
+	cvmGrpcConfig := clients.StandardClientConfig{}
 	if err := env.ParseWithOptions(&cvmGrpcConfig, env.Options{Prefix: envPrefixCVMGRPC}); err != nil {
 		logger.Error(fmt.Sprintf("failed to load %s gRPC client configuration : %s", svcName, err))
 		exitCode = 1
@@ -146,7 +156,16 @@ func main() {
 		return
 	}
 
-	svc := newService(ctx, logger, eventSvc, qp, cfg.Vmpl, vtpmAttest)
+	if ccPlatform == attestation.SNP || ccPlatform == attestation.SNPvTPM {
+		err = quoteprovider.FetchCertificates(uint(cfg.Vmpl))
+		if err != nil {
+			logger.Error(fmt.Sprintf("failed to fetch certificates: %s", err))
+			exitCode = 1
+			return
+		}
+	}
+
+	svc := newService(ctx, logger, eventSvc, provider, cfg.Vmpl)
 
 	if err := os.MkdirAll(storageDir, 0o755); err != nil {
 		logger.Error(fmt.Sprintf("failed to create storage directory: %s", err))
@@ -154,7 +173,24 @@ func main() {
 		return
 	}
 
-	mc, err := cvmsapi.NewClient(pc, svc, eventsLogsQueue, logger, server.NewServer(logger, svc, cfg.AgentGrpcHost, qp, cfg.CAUrl, cfg.CVMId), storageDir, reconnectFn, cvmGRPCClient)
+	var certProvider atls.CertificateProvider
+
+	if ccPlatform != attestation.NoCC {
+		var certsSDK sdk.SDK
+		if cfg.CAUrl != "" {
+			certsSDK = sdk.NewSDK(sdk.Config{
+				CertsURL: cfg.CAUrl,
+			})
+		}
+		certProvider, err = atls.NewProvider(provider, ccPlatform, cfg.CertsToken, cfg.CVMId, certsSDK)
+		if err != nil {
+			logger.Error(fmt.Sprintf("failed to create certificate provider: %s", err))
+			exitCode = 1
+			return
+		}
+	}
+
+	mc, err := cvmsapi.NewClient(pc, svc, eventsLogsQueue, logger, server.NewServer(logger, svc, cfg.AgentGrpcHost, certProvider), storageDir, reconnectFn, cvmGRPCClient)
 	if err != nil {
 		logger.Error(err.Error())
 		exitCode = 1
@@ -180,17 +216,34 @@ func main() {
 		return mc.Process(ctx, cancel)
 	})
 
-	attestation, certSerialNumber, err := attestationFromCert(ctx, cvmGrpcConfig.ClientCert, svc)
+	attest, certSerialNumber, err := attestationFromCert(ctx, cvmGrpcConfig.ClientCert, svc)
 	if err != nil {
 		logger.Error(fmt.Sprintf("failed to get attestation: %s", err))
 		exitCode = 1
 		return
 	}
 
+	if ccPlatform == attestation.Azure {
+		azureAttestationToken, azureCertSerialNumber, err := azureAttestationFromCert(ctx, cvmGrpcConfig.ClientCert, svc)
+		if err != nil {
+			logger.Error(fmt.Sprintf("failed to get attestation: %s", err))
+			exitCode = 1
+			return
+		}
+		eventsLogsQueue <- &cvms.ClientStreamMessage{
+			Message: &cvms.ClientStreamMessage_AzureAttestationToken{
+				AzureAttestationToken: &cvms.AzureAttestationToken{
+					File:             azureAttestationToken,
+					CertSerialNumber: azureCertSerialNumber,
+				},
+			},
+		}
+	}
+
 	eventsLogsQueue <- &cvms.ClientStreamMessage{
 		Message: &cvms.ClientStreamMessage_VTPMattestationReport{
 			VTPMattestationReport: &cvms.AttestationResponse{
-				File:             attestation,
+				File:             attest,
 				CertSerialNumber: certSerialNumber,
 			},
 		},
@@ -201,8 +254,8 @@ func main() {
 	}
 }
 
-func newService(ctx context.Context, logger *slog.Logger, eventSvc events.Service, qp client.LeveledQuoteProvider, vmpl int, vtpmAttest vtpm.VtpmAttest) agent.Service {
-	svc := agent.New(ctx, logger, eventSvc, qp, vmpl, vtpmAttest)
+func newService(ctx context.Context, logger *slog.Logger, eventSvc events.Service, provider attestation.Provider, vmpl int) agent.Service {
+	svc := agent.New(ctx, logger, eventSvc, provider, vmpl)
 
 	svc = api.LoggingMiddleware(svc, logger)
 	counter, latency := prometheus.MakeMetrics(svcName, "api")
@@ -211,15 +264,6 @@ func newService(ctx context.Context, logger *slog.Logger, eventSvc events.Servic
 	return svc
 }
 
-func sevGuesDeviceExists() bool {
-	d, err := client.OpenDevice()
-	if err != nil {
-		return false
-	}
-	d.Close()
-	return true
-}
-
 func attestationFromCert(ctx context.Context, certFilePath string, svc agent.Service) ([]byte, string, error) {
 	if certFilePath == "" {
 		return nil, "", nil
@@ -238,7 +282,32 @@ func attestationFromCert(ctx context.Context, certFilePath string, svc agent.Ser
 
 	nonceSNP := sha512.Sum512(certFile)
 	nonceVTPM := sha256.Sum256(certFile)
-	attestation, err := svc.Attestation(ctx, nonceSNP, nonceVTPM, attestationconfig.SNPvTPM)
+	attest, err := svc.Attestation(ctx, nonceSNP, nonceVTPM, attestation.SNPvTPM)
+	if err != nil {
+		return nil, "", err
+	}
+
+	return attest, certx509.SerialNumber.String(), nil
+}
+
+func azureAttestationFromCert(ctx context.Context, certFilePath string, svc agent.Service) ([]byte, string, error) {
+	if certFilePath == "" {
+		return nil, "", nil
+	}
+
+	certFile, err := os.ReadFile(certFilePath)
+	if err != nil {
+		return nil, "", err
+	}
+
+	certPem, _ := pem.Decode(certFile)
+	certx509, err := x509.ParseCertificate(certPem.Bytes)
+	if err != nil {
+		return nil, "", err
+	}
+
+	nonceAzure := sha256.Sum256(certFile)
+	attestation, err := svc.AzureAttestationToken(ctx, nonceAzure)
 	if err != nil {
 		return nil, "", err
 	}

cmd/cli/main.go

@@ -15,7 +15,7 @@ import (
 	"github.com/spf13/pflag"
 	"github.com/ultravioletrs/cocos/cli"
 	"github.com/ultravioletrs/cocos/pkg/attestation/cmdconfig"
-	"github.com/ultravioletrs/cocos/pkg/clients/grpc"
+	"github.com/ultravioletrs/cocos/pkg/clients"
 	cmd "github.com/virtee/sev-snp-measure-go/sevsnpmeasure/cmd"
 )
 
@@ -94,14 +94,14 @@ func main() {
 		return
 	}
 
-	agentGRPCConfig := grpc.AgentClientConfig{}
+	agentGRPCConfig := clients.AttestedClientConfig{}
 	if err := env.ParseWithOptions(&agentGRPCConfig, env.Options{Prefix: envPrefixAgentGRPC}); err != nil {
 		message := color.New(color.FgRed).Sprintf("failed to load %s gRPC client configuration : %s", svcName, err)
 		rootCmd.Println(message)
 		return
 	}
 
-	managerGRPCConfig := grpc.ManagerClientConfig{}
+	managerGRPCConfig := clients.StandardClientConfig{}
 	if err := env.ParseWithOptions(&managerGRPCConfig, env.Options{Prefix: envPrefixManagerGRPC}); err != nil {
 		message := color.New(color.FgRed).Sprintf("failed to load %s gRPC client configuration : %s", svcName, err)
 		rootCmd.Println(message)
@@ -139,6 +139,7 @@ func main() {
 	rootCmd.AddCommand(cliSVC.NewCABundleCmd(directoryCachePath))
 	rootCmd.AddCommand(cliSVC.NewCreateVMCmd())
 	rootCmd.AddCommand(cliSVC.NewRemoveVMCmd())
+	rootCmd.AddCommand(cliSVC.NewIMAMeasurementsCmd())
 
 	// Attestation commands
 	attestationCmd.AddCommand(cliSVC.NewGetAttestationCmd())
@@ -162,6 +163,8 @@ func main() {
 	attestationPolicyCmd.AddCommand(cliSVC.NewAddHostDataCmd())
 	attestationPolicyCmd.AddCommand(cliSVC.NewGCPAttestationPolicy())
 	attestationPolicyCmd.AddCommand(cliSVC.NewDownloadGCPOvmfFile())
+	attestationPolicyCmd.AddCommand(cliSVC.NewAzureAttestationPolicy())
+	attestationPolicyCmd.AddCommand(cliSVC.NewExtendWithManifestCmd())
 
 	if err := rootCmd.Execute(); err != nil {
 		logErrorCmd(*rootCmd, err)

cmd/manager/main.go

@@ -12,18 +12,22 @@ import (
 	"os"
 	"strings"
 
-	mglog "github.com/absmach/magistrala/logger"
-	"github.com/absmach/magistrala/pkg/jaeger"
-	"github.com/absmach/magistrala/pkg/prometheus"
-	"github.com/absmach/magistrala/pkg/uuid"
+	mglog "github.com/absmach/supermq/logger"
+	"github.com/absmach/supermq/pkg/jaeger"
+	"github.com/absmach/supermq/pkg/prometheus"
+	smqserver "github.com/absmach/supermq/pkg/server"
+	httpserver "github.com/absmach/supermq/pkg/server/http"
+	"github.com/absmach/supermq/pkg/uuid"
 	"github.com/caarlos0/env/v11"
-	"github.com/ultravioletrs/cocos/internal/server"
-	grpcserver "github.com/ultravioletrs/cocos/internal/server/grpc"
+	"github.com/go-chi/chi/v5"
 	"github.com/ultravioletrs/cocos/manager"
 	"github.com/ultravioletrs/cocos/manager/api"
 	managergrpc "github.com/ultravioletrs/cocos/manager/api/grpc"
+	"github.com/ultravioletrs/cocos/manager/api/http"
 	"github.com/ultravioletrs/cocos/manager/qemu"
 	"github.com/ultravioletrs/cocos/manager/tracing"
+	"github.com/ultravioletrs/cocos/pkg/server"
+	grpcserver "github.com/ultravioletrs/cocos/pkg/server/grpc"
 	"go.opentelemetry.io/otel/trace"
 	"golang.org/x/sync/errgroup"
 	"google.golang.org/grpc"
@@ -31,10 +35,11 @@ import (
 )
 
 const (
-	svcName          = "manager"
-	envPrefixGRPC    = "MANAGER_GRPC_"
-	envPrefixQemu    = "MANAGER_QEMU_"
-	clientBufferSize = 100
+	svcName        = "manager"
+	envPrefixGRPC  = "MANAGER_GRPC_"
+	envPrefixHTTP  = "MANAGER_HTTP_"
+	envPrefixQemu  = "MANAGER_QEMU_"
+	defSvcHTTPPort = "7003"
 )
 
 type config struct {
@@ -46,6 +51,7 @@ type config struct {
 	IgvmMeasureBinary       string  `env:"MANAGER_IGVMMEASURE_BINARY"         envDefault:"../../build/igvmmeasure"`
 	PcrValues               string  `env:"MANAGER_PCR_VALUES"                 envDefault:""`
 	EosVersion              string  `env:"MANAGER_EOS_VERSION"                envDefault:""`
+	MaxVMs                  int     `env:"MANAGER_MAX_VMS"                    envDefault:"10"`
 }
 
 func main() {
@@ -84,8 +90,22 @@ func main() {
 	}()
 	tracer := tp.Tracer(svcName)
 
-	qemuCfg := qemu.Config{}
-	if err := env.ParseWithOptions(&qemuCfg, env.Options{Prefix: envPrefixQemu}); err != nil {
+	qemuCfg, err := qemu.NewConfig()
+	if err != nil {
+		logger.Error(fmt.Sprintf("failed to create config: %v", err))
+		exitCode = 1
+		return
+	}
+
+	if qemuCfg.EnableTDX {
+		logger.Info("Manager started with TDX enabled")
+	} else if qemuCfg.EnableSEVSNP {
+		logger.Info("Manager started with SEV-SNP enabled")
+	} else {
+		logger.Info("Manager started without confidential computing support")
+	}
+
+	if err := env.ParseWithOptions(qemuCfg, env.Options{Prefix: envPrefixQemu}); err != nil {
 		logger.Error(fmt.Sprintf("failed to load QEMU configuration: %s", err))
 		exitCode = 1
 		return
@@ -100,26 +120,45 @@ func main() {
 		return
 	}
 
-	svc, err := newService(logger, tracer, qemuCfg, cfg.AttestationPolicyBinary, cfg.IgvmMeasureBinary, cfg.PcrValues, cfg.EosVersion)
+	httpServerConfig := smqserver.Config{Port: defSvcHTTPPort}
+	if err := env.ParseWithOptions(&httpServerConfig, env.Options{Prefix: envPrefixHTTP}); err != nil {
+		logger.Error(fmt.Sprintf("failed to load %s gRPC server configuration : %s", svcName, err))
+	}
+
+	svc, err := newService(logger, tracer, *qemuCfg, cfg.AttestationPolicyBinary, cfg.IgvmMeasureBinary, cfg.PcrValues, cfg.EosVersion, cfg.MaxVMs)
 	if err != nil {
 		logger.Error(err.Error())
 		exitCode = 1
 		return
 	}
 
+	defer func() {
+		if err := svc.Shutdown(); err != nil {
+			logger.Error(err.Error())
+			exitCode = 1
+			return
+		}
+	}()
+
 	registerManagerServiceServer := func(srv *grpc.Server) {
 		reflection.Register(srv)
 		manager.RegisterManagerServiceServer(srv, managergrpc.NewServer(svc))
 	}
 
-	gs := grpcserver.New(ctx, cancel, svcName, managerGRPCConfig, registerManagerServiceServer, logger, nil, nil, "", "")
+	gs := grpcserver.New(ctx, cancel, svcName, managerGRPCConfig, registerManagerServiceServer, logger, nil, nil)
+
+	hs := httpserver.NewServer(ctx, cancel, svcName, httpServerConfig, http.MakeHandler(chi.NewMux(), svcName, cfg.InstanceID), logger)
 
 	g.Go(func() error {
 		return gs.Start()
 	})
 
 	g.Go(func() error {
-		return server.StopHandler(ctx, cancel, logger, svcName, gs)
+		return hs.Start()
+	})
+
+	g.Go(func() error {
+		return server.StopHandler(ctx, cancel, logger, svcName, gs, hs)
 	})
 
 	if err := g.Wait(); err != nil {
@@ -127,8 +166,8 @@ func main() {
 	}
 }
 
-func newService(logger *slog.Logger, tracer trace.Tracer, qemuCfg qemu.Config, attestationPolicyPath string, igvmMeasurementBinaryPath string, pcrValuesFilePath string, eosVersion string) (manager.Service, error) {
-	svc, err := manager.New(qemuCfg, attestationPolicyPath, igvmMeasurementBinaryPath, pcrValuesFilePath, logger, qemu.NewVM, eosVersion)
+func newService(logger *slog.Logger, tracer trace.Tracer, qemuCfg qemu.Config, attestationPolicyPath string, igvmMeasurementBinaryPath string, pcrValuesFilePath string, eosVersion string, maxVMs int) (manager.Service, error) {
+	svc, err := manager.New(qemuCfg, attestationPolicyPath, igvmMeasurementBinaryPath, pcrValuesFilePath, logger, qemu.NewVM, eosVersion, maxVMs)
 	if err != nil {
 		return nil, err
 	}

cocos-manager.env

@@ -9,13 +9,21 @@ MANAGER_INSTANCE_ID=
 MANAGER_ATTESTATION_POLICY_BINARY=../../build
 MANAGER_IGVMMEASURE_BINARY=../../build
 MANAGER_PCR_VALUES=/etc/cocos/pcr_values.json
-MANAGER_GRPC_CLIENT_CERT=
-MANAGER_GRPC_CLIENT_KEY=
+MANAGER_GRPC_SERVER_CERT=
+MANAGER_GRPC_SERVER_KEY=
 MANAGER_GRPC_SERVER_CA_CERTS=
+MANAGER_GRPC_CLIENT_CA_CERTS=
 MANAGER_GRPC_PORT=6101
 MANAGER_GRPC_HOST=0.0.0.0
+MANAGER_HTTP_SERVER_CERT=
+MANAGER_HTTP_SERVER_KEY=
+MANAGER_HTTP_SERVER_CA_CERTS=
+MANAGER_HTTP_CLIENT_CA_CERTS=
+MANAGER_HTTP_PORT=6102
+MANAGER_HTTP_HOST=0.0.0.0
 MANAGER_GRPC_TIMEOUT=60s
 MANAGER_EOS_VERSION=""
+MANAGER_MAX_VMS=10
 
 # QEMU Configuration
 MANAGER_QEMU_MEMORY_SIZE=25G
@@ -40,17 +48,17 @@ MANAGER_QEMU_VIRTIO_NET_PCI_ADDR=0x2
 MANAGER_QEMU_VIRTIO_NET_PCI_ROMFILE=
 MANAGER_QEMU_DISK_IMG_KERNEL_FILE=/etc/cocos/bzImage
 MANAGER_QEMU_DISK_IMG_ROOTFS_FILE=/etc/cocos/rootfs.cpio.gz
-MANAGER_QEMU_SEV_ID=sev0
-MANAGER_QEMU_SEV_CBITPOS=51
-MANAGER_QEMU_SEV_REDUCED_PHYS_BITS=1
+MANAGER_QEMU_SEV_SNP_ID=sev0
+MANAGER_QEMU_SEV_SNP_CBITPOS=51
+MANAGER_QEMU_SEV_SNP_REDUCED_PHYS_BITS=1
 MANAGER_QEMU_HOST_DATA=
-MANAGER_QEMU_VSOCK_ID=vhost-vsock-pci0
-MANAGER_QEMU_VSOCK_GUEST_CID=3
-MANAGER_QEMU_VSOCK_VNC=0
+MANAGER_QEMU_TDX_ID=tdx0
+MANAGER_QEMU_QUOTE_GENERATION_PORT=4050
+MANAGER_QEMU_OVMF_FILE=/usr/share/ovmf/OVMF.fd
 MANAGER_QEMU_BIN_PATH=qemu-system-x86_64
 MANAGER_QEMU_USE_SUDO=true
-MANAGER_QEMU_ENABLE_SEV=false
 MANAGER_QEMU_ENABLE_SEV_SNP=false
+MANAGER_QEMU_ENABLE_TDX=false
 MANAGER_QEMU_IGVM_FILE=/etc/cocos/coconut-qemu.igvm
 MANAGER_QEMU_ENABLE_KVM=true
 MANAGER_QEMU_MACHINE=q35

go.mod

@@ -1,50 +1,51 @@
 module github.com/ultravioletrs/cocos
 
-go 1.23.2
-
-toolchain go1.24.1
+go 1.25.3
 
 require (
-	github.com/absmach/magistrala v0.15.1
 	github.com/caarlos0/env/v11 v11.3.1
 	github.com/fatih/color v1.18.0
 	github.com/go-kit/kit v0.13.0
 	github.com/gofrs/uuid v4.4.0+incompatible
 	github.com/google/go-sev-guest v0.13.0
-	github.com/google/go-tdx-guest v0.3.2-0.20241009005452-097ee70d0843 // indirect
-	github.com/mdlayher/vsock v1.2.1
-	github.com/spf13/cobra v1.9.1
-	github.com/spf13/pflag v1.0.6
-	github.com/stretchr/testify v1.10.0
+	github.com/google/go-tdx-guest v0.3.2-0.20241009005452-097ee70d0843
+	github.com/spf13/cobra v1.10.1
+	github.com/spf13/pflag v1.0.10
+	github.com/stretchr/testify v1.11.1
 	github.com/virtee/sev-snp-measure-go v0.0.0-20240530153610-e6e8dc9b6877
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.60.0
-	go.opentelemetry.io/otel/trace v1.35.0
-	golang.org/x/crypto v0.35.0
-	golang.org/x/sync v0.12.0
-	google.golang.org/grpc v1.71.1
-	google.golang.org/protobuf v1.36.6
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.63.0
+	go.opentelemetry.io/otel/trace v1.38.0
+	golang.org/x/crypto v0.43.0
+	golang.org/x/sync v0.17.0
+	google.golang.org/grpc v1.76.0
+	google.golang.org/protobuf v1.36.10
 )
 
 require (
-	cloud.google.com/go/storage v1.51.0
-	github.com/golang/protobuf v1.5.4
+	cloud.google.com/go/storage v1.57.0
+	github.com/absmach/supermq v0.18.2
+	github.com/caarlos0/env/v10 v10.0.0
+	github.com/go-chi/chi/v5 v5.2.3
+	github.com/golang-jwt/jwt/v5 v5.3.0
 	github.com/google/gce-tcb-verifier v0.3.1
 )
 
 require (
-	cel.dev/expr v0.19.2 // indirect
-	cloud.google.com/go v0.118.3 // indirect
-	cloud.google.com/go/auth v0.15.0 // indirect
-	cloud.google.com/go/auth/oauth2adapt v0.2.7 // indirect
-	cloud.google.com/go/compute/metadata v0.6.0 // indirect
-	cloud.google.com/go/iam v1.4.1 // indirect
-	cloud.google.com/go/monitoring v1.24.0 // indirect
-	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.25.0 // indirect
-	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.51.0 // indirect
-	github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.51.0 // indirect
+	cel.dev/expr v0.24.0 // indirect
+	cloud.google.com/go v0.121.6 // indirect
+	cloud.google.com/go/auth v0.16.5 // indirect
+	cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect
+	cloud.google.com/go/compute/metadata v0.9.0 // indirect
+	cloud.google.com/go/iam v1.5.2 // indirect
+	cloud.google.com/go/monitoring v1.24.2 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.29.0 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.53.0 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.53.0 // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect
-	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
-	github.com/cncf/xds/go v0.0.0-20250121191232-2f005788dc42 // indirect
+	github.com/cenkalti/backoff/v5 v5.0.3 // indirect
+	github.com/cncf/xds/go v0.0.0-20250501225837-2ac532fd4443 // indirect
+	github.com/containerd/errdefs v1.0.0 // indirect
+	github.com/containerd/errdefs/pkg v0.3.0 // indirect
 	github.com/containerd/log v0.1.0 // indirect
 	github.com/distribution/reference v0.6.0 // indirect
 	github.com/docker/go-connections v0.5.0 // indirect
@@ -52,81 +53,79 @@ require (
 	github.com/envoyproxy/go-control-plane/envoy v1.32.4 // indirect
 	github.com/envoyproxy/protoc-gen-validate v1.2.1 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/gofrs/uuid/v5 v5.3.0 // indirect
-	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
-	github.com/google/certificate-transparency-go v1.1.2 // indirect
+	github.com/go-jose/go-jose/v3 v3.0.4 // indirect
+	github.com/go-jose/go-jose/v4 v4.1.2 // indirect
+	github.com/gofrs/uuid/v5 v5.3.2 // indirect
+	github.com/google/certificate-transparency-go v1.1.8 // indirect
 	github.com/google/go-attestation v0.5.1 // indirect
 	github.com/google/go-eventlog v0.0.2-0.20241003021507-01bb555f7cba // indirect
 	github.com/google/go-tspi v0.3.0 // indirect
 	github.com/google/s2a-go v0.1.9 // indirect
-	github.com/googleapis/enterprise-certificate-proxy v0.3.5 // indirect
-	github.com/googleapis/gax-go/v2 v2.14.1 // indirect
-	github.com/hokaccha/go-prettyjson v0.0.0-20211117102719-0474bc63780f // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.3.6 // indirect
+	github.com/googleapis/gax-go/v2 v2.15.0 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
+	github.com/moby/sys/atomicwriter v0.1.0 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.1.0 // indirect
-	github.com/pelletier/go-toml v1.9.5 // indirect
-	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
-	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
-	go.opentelemetry.io/contrib/detectors/gcp v1.34.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0 // indirect
-	go.opentelemetry.io/otel v1.35.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.34.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.34.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.35.0 // indirect
-	go.opentelemetry.io/otel/sdk/metric v1.35.0 // indirect
-	golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 // indirect
-	golang.org/x/oauth2 v0.28.0 // indirect
-	golang.org/x/time v0.10.0 // indirect
-	google.golang.org/api v0.224.0 // indirect
-	google.golang.org/genproto v0.0.0-20250303144028-a0af3efb3deb // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
+	github.com/planetscale/vtprotobuf v0.6.1-0.20240917153116-6f2963f01587 // indirect
+	github.com/spiffe/go-spiffe/v2 v2.5.0 // indirect
+	github.com/zeebo/errs v1.4.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
+	go.opentelemetry.io/contrib/detectors/gcp v1.36.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.63.0 // indirect
+	go.opentelemetry.io/otel v1.38.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.38.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.38.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.38.0 // indirect
+	go.opentelemetry.io/otel/sdk/metric v1.38.0 // indirect
+	go.yaml.in/yaml/v2 v2.4.3 // indirect
+	golang.org/x/oauth2 v0.32.0 // indirect
+	golang.org/x/time v0.12.0 // indirect
+	google.golang.org/api v0.247.0 // indirect
+	google.golang.org/genproto v0.0.0-20250603155806-513f23925822 // indirect
 	gotest.tools/v3 v3.5.1 // indirect
 	moul.io/http2curl v1.0.0 // indirect
 )
 
 require (
-	github.com/absmach/certs v0.0.0-20250313105043-afbcda9a9963
+	github.com/absmach/certs v0.18.2
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
-	github.com/docker/docker v28.0.4+incompatible
+	github.com/docker/docker v28.5.1+incompatible
+	github.com/edgelesssys/go-azguestattestation v0.0.0-20250408071817-8c4457b235ff
 	github.com/go-kit/log v0.2.1 // indirect
-	github.com/go-logfmt/logfmt v0.6.0 // indirect
-	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logfmt/logfmt v0.6.1 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/google/go-configfs-tsm v0.3.3-0.20240919001351-b4b5b84fdcbc // indirect
-	github.com/google/go-tpm v0.9.3
-	github.com/google/go-tpm-tools v0.4.4
+	github.com/google/go-tpm v0.9.6
+	github.com/google/go-tpm-tools v0.4.6
 	github.com/google/logger v1.1.1
 	github.com/google/uuid v1.6.0
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/mdlayher/socket v0.4.1 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	github.com/prometheus/client_golang v1.21.1 // indirect
-	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.62.0 // indirect
-	github.com/prometheus/procfs v0.15.1 // indirect
-	github.com/stretchr/objx v0.5.2 // indirect
-	go.opentelemetry.io/otel/metric v1.35.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.5.0 // indirect
+	github.com/prometheus/client_golang v1.23.2
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.67.1 // indirect
+	github.com/prometheus/procfs v0.17.0 // indirect
+	github.com/stretchr/objx v0.5.3 // indirect
+	go.opentelemetry.io/otel/metric v1.38.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.8.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/net v0.35.0 // indirect
-	golang.org/x/sys v0.31.0 // indirect
-	golang.org/x/term v0.30.0
-	golang.org/x/text v0.22.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20250303144028-a0af3efb3deb // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250303144028-a0af3efb3deb // indirect
+	golang.org/x/net v0.46.0 // indirect
+	golang.org/x/sys v0.37.0 // indirect
+	golang.org/x/term v0.36.0
+	golang.org/x/text v0.30.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20251014184007-4626949a642f // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251014184007-4626949a642f // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
 replace github.com/virtee/sev-snp-measure-go => github.com/sammyoina/sev-snp-measure-go v0.0.0-20241202151803-ef189f0ff825
-
-replace github.com/google/go-tpm-tools => github.com/danko-miladinovic/go-tpm-tools v0.0.0-20250228160324-1ebcfd79567c

hal/cloud/.env

@@ -35,19 +35,14 @@ DISK_IMG_ROOTFS_FILE=
 
 KERNEL_COMMAND_LINE="quiet console=null"
 
-####  Sev Config
-SEV_ID=sev0
-SEV_CBIT_POS=51
-SEV_REDUCED_PHYS_BITS=1
-SEV_HOST_DATA=
-
-#### VSock Config
-VSOCK_ID=vhost-vsock-pci0
-VSOCK_GUEST_CID=3
+####  Sev-Snp Config
+SEV_SNP_ID=sev0
+SEV_SNP_CBIT_POS=51
+SEV_SNP_REDUCED_PHYS_BITS=1
+SEV_SNP_HOST_DATA=
 
 BIN_PATH=qemu-system-x86_64
 USE_SUDO=false
-ENABLE_SEV=false
 ENABLE_SEV_SNP=false
 
 ENABLE_KVM=true

hal/cloud/config.yaml

@@ -233,8 +233,39 @@ write_files:
       
       echo "algo_user setup completed successfully"
     permissions: "0755"
+    
+  # IMA setup for first boot
+  - path: /cocos_init/linux_ima_init.sh
+    content: |
+      #!/bin/bash
+      
+      GRUB_FILE="/etc/default/grub"
+      
+      if ! grep -q '^GRUB_CMDLINE_LINUX=.*ima_policy' "$GRUB_FILE"; then
+        echo "First boot, rebooting with fix IMA appraise policy"
+
+        NEW_PARAMS='ima_policy=tcb'
+        
+        # Modify the GRUB_CMDLINE_LINUX line
+        sed -i -E \
+            "s#^(GRUB_CMDLINE_LINUX=\")(.*)(\")#\1\2 $NEW_PARAMS\3#" \
+            "$GRUB_FILE"
+      
+        echo "Updated GRUB_CMDLINE_LINUX:"
+        grep "^GRUB_CMDLINE_LINUX=" "$GRUB_FILE"
+        
+        sudo update-grub
+        sudo reboot
+      else
+        sudo find / -fstype ext4 -type f -uid 0 -exec dd if='{}' of=/dev/null count=0 status=none \;
+      fi
+    permissions: "0755"
 
 runcmd:
+  # Enable Linux IMA with fix policy
+  - echo "Enable Linux IMA with fix policy and rebooting if necessary"
+  - sh /cocos_init/linux_ima_init.sh
+
   # Create necessary directories
   - mkdir -p /cocos
   - mkdir -p /cocos_init

hal/cloud/qemu.sh

@@ -72,23 +72,19 @@ construct_qemu_args() {
     # Network configuration
     args+=("-netdev" "user,id=$NET_DEV_ID,hostfwd=tcp::$NET_DEV_HOST_FWD_AGENT-:$NET_DEV_GUEST_FWD_AGENT")
     args+=("-device" "virtio-net-pci,disable-legacy=$VIRTIO_NET_PCI_DISABLE_LEGACY,iommu_platform=$VIRTIO_NET_PCI_IOMMU_PLATFORM,netdev=$NET_DEV_ID,addr=$VIRTIO_NET_PCI_ADDR,romfile=$VIRTIO_NET_PCI_ROMFILE")
-    args+=("-device" "vhost-vsock-pci,id=$VSOCK_ID,guest-cid=$VSOCK_GUEST_CID")
-
-    # SEV (if enabled)
-    if [ "$ENABLE_SEV" == "true" ] || [ "$ENABLE_SEV_SNP" == "true" ]; then
-        sev_type="sev-guest"
+    
+    # SEV_SNP (if enabled)
+    if [ "$ENABLE_SEV_SNP" == "true" ]; then
         kernel_hash=""
         host_data=""
 
-        args+=("-machine" "confidential-guest-support=$SEV_ID,memory-backend=$MEM_ID")
+        args+=("-machine" "confidential-guest-support=$SEV_SNP_ID,memory-backend=$MEM_ID")
 
-        if [ "$ENABLE_SEV_SNP" == "true" ]; then
-            args+=("-bios" "$OVMF_CODE_FILE")
-            sev_type="sev-snp-guest"
+        args+=("-bios" "$OVMF_CODE_FILE")
+        sev_snp_type="sev-snp-guest"
 
-            if [ -n "$SEV_HOST_DATA" ]; then
-                host_data=",host-data=$SEV_HOST_DATA"
-            fi
+        if [ -n "$SEV_SNP_HOST_DATA" ]; then
+            host_data=",host-data=$SEV_SNP_HOST_DATA"
         fi
 
         if [ "$ENABLE_KERNEL_HASH" == "true" ]; then
@@ -96,7 +92,7 @@ construct_qemu_args() {
         fi
 
         args+=("-object" "memory-backend-memfd,id=$MEM_ID,size=$MEMORY_SIZE,share=true,prealloc=false")
-        args+=("-object" "$sev_type,id=$SEV_ID,cbitpos=$SEV_CBIT_POS,reduced-phys-bits=$SEV_REDUCED_PHYS_BITS$kernel_hash$host_data")
+        args+=("-object" "$sev_snp_type,id=$SEV_SNP_ID,cbitpos=$SEV_SNP_CBIT_POS,reduced-phys-bits=$SEV_SNP_REDUCED_PHYS_BITS$kernel_hash$host_data")
     fi
 
     # Disk image configuration
@@ -111,7 +107,6 @@ construct_qemu_args() {
     fi
 
     args+=("-monitor" "$MONITOR")
-    args+=("-no-reboot")
     args+=("-vnc" ":9")
 
     echo "${args[@]}"

hal/linux/README.md

@@ -10,7 +10,7 @@ HAL uses [Buildroot](https://buildroot.org/)'s [_External Tree_ mechanism](https
 git clone git@github.com:ultravioletrs/cocos.git
 git clone git@github.com:buildroot/buildroot.git
 cd buildroot
-git checkout 2024.11-rc2
+git checkout 2025.08-rc3
 make BR2_EXTERNAL=../cocos/hal/linux cocos_defconfig
 # Execute 'make menuconfig' only if you want to make additional configuration changes to Buildroot.
 make menuconfig

hal/linux/board/cocos/linux.config

@@ -76,3 +76,36 @@ CONFIG_9P_FS_SECURITY=y
 CONFIG_TCG_TPM=y
 CONFIG_TCG_TPM2_HMAC=y
 CONFIG_TCG_PLATFORM=y
+
+# Linux IMA
+CONFIG_SECURITY=y
+CONFIG_SECURITYFS=y
+CONFIG_INTEGRITY=y
+CONFIG_INTEGRITY_SIGNATURE=y
+CONFIG_IMA=y
+CONFIG_IMA_MEASURE_PCR_IDX=10   # optional but good
+CONFIG_IMA_LSM_RULES=y
+CONFIG_IMA_APPRAISE=y           # if you want appraisal (signature checking)
+CONFIG_IMA_DEFAULT_TEMPLATE="ima-ng"
+CONFIG_KEYS=y
+CONFIG_ENCRYPTED_KEYS=y          # if you plan to use encrypted keys
+CONFIG_IMA_DEFAULT_HASH="sha256" # or sha1 if you prefer
+
+#Intel TDX
+CONFIG_EXPERT=y
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=y
+CONFIG_KVM_SW_PROTECTED_VM=y
+CONFIG_KVM_INTEL=y
+CONFIG_PCI_MSI=y
+CONFIG_IRQ_REMAP=y
+CONFIG_X86_X2APIC=y
+CONFIG_CRYPTO_SHA256=y
+CONFIG_X86_SGX=y
+CONFIG_X86_SGX_KVM=y
+CONFIG_INTEL_TDX_GUEST=y
+CONFIG_KSM=n
+CONFIG_EISA=n
+CONFIG_VIRTIO_BLK=y
+CONFIG_VIRTIO_NET=y
+CONFIG_TDX_GUEST_DRIVER=y

hal/linux/package/agent/agent.mk

@@ -24,4 +24,4 @@ define AGENT_INSTALL_INIT_SYSTEMD
 	$(INSTALL) -D -m 0750 $(@D)/init/systemd/agent_start_script.sh $(TARGET_DIR)/cocos_init/agent_start_script.sh
 endef
 
-$(eval $(golang-package))
+$(eval $(generic-package))

hal/linux/package/wasmedge/wasmedge.mk

@@ -1,7 +1,7 @@
 WASMEDGE_DOWNLOAD_URL = https://raw.githubusercontent.com/WasmEdge/WasmEdge/master/utils/install.sh
 
 define WASMEDGE_INSTALL_TARGET_CMDS
-    curl -sSf $(WASMEDGE_DOWNLOAD_URL) | bash -s -- -p $(TARGET_DIR)/usr
+    curl -sSf $(WASMEDGE_DOWNLOAD_URL) | bash -s -- -p $(TARGET_DIR)/usr -v 0.14.1
     echo "source /usr/env" >> $(TARGET_DIR)/etc/profile
 endef
 

init/systemd/cocos-agent.service

@@ -7,11 +7,11 @@ Before=docker.service
 WorkingDirectory=/cocos
 StandardOutput=file:/var/log/cocos/agent.stdout
 StandardError=file:/var/log/cocos/agent.stderr
-
 EnvironmentFile=/etc/cocos/environment
-
 ExecStartPre=/cocos_init/agent_setup.sh
 ExecStart=/cocos_init/agent_start_script.sh
+Restart=always
+RestartSec=5s
 
 [Install]
 WantedBy=default.target

internal/logger/protohandler_test.go

@@ -9,7 +9,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/absmach/magistrala/pkg/errors"
+	"github.com/absmach/supermq/pkg/errors"
 	"github.com/stretchr/testify/assert"
 	"github.com/ultravioletrs/cocos/agent/cvms"
 )

internal/server/grpc/grpc.go

@@ -1,441 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-
-package grpc
-
-import (
-	"bytes"
-	"context"
-	"crypto/ecdsa"
-	"crypto/elliptic"
-	"crypto/rand"
-	"crypto/tls"
-	"crypto/x509"
-	"crypto/x509/pkix"
-	"encoding/json"
-	"encoding/pem"
-	"fmt"
-	"io"
-	"log/slog"
-	"math/big"
-	"net"
-	"net/http"
-	"net/url"
-	"os"
-	"strings"
-	"time"
-
-	certs "github.com/absmach/certs"
-	certscli "github.com/absmach/certs/cli"
-	"github.com/absmach/certs/errors"
-	certssdk "github.com/absmach/certs/sdk"
-	"github.com/google/go-sev-guest/client"
-	agentgrpc "github.com/ultravioletrs/cocos/agent/api/grpc"
-	"github.com/ultravioletrs/cocos/agent/auth"
-	"github.com/ultravioletrs/cocos/internal/server"
-	"github.com/ultravioletrs/cocos/pkg/atls"
-	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
-	"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/credentials/insecure"
-	"google.golang.org/grpc/health"
-	grpchealth "google.golang.org/grpc/health/grpc_health_v1"
-)
-
-const (
-	stopWaitTime  = 5 * time.Second
-	organization  = "Ultraviolet"
-	country       = "Serbia"
-	province      = ""
-	locality      = "Belgrade"
-	streetAddress = "Bulevar Arsenija Carnojevica 103"
-	postalCode    = "11000"
-	notAfterYear  = 1
-	notAfterMonth = 0
-	notAfterDay   = 0
-	nonceSize     = 32
-)
-
-type Server struct {
-	server.BaseServer
-	server          *grpc.Server
-	registerService serviceRegister
-	quoteProvider   client.LeveledQuoteProvider
-	authSvc         auth.Authenticator
-	health          *health.Server
-	caUrl           string
-	cvmId           string
-}
-
-type csrReq struct {
-	CSR string `json:"csr,omitempty"`
-}
-
-type serviceRegister func(srv *grpc.Server)
-
-var _ server.Server = (*Server)(nil)
-
-func New(ctx context.Context, cancel context.CancelFunc, name string, config server.ServerConfiguration, registerService serviceRegister, logger *slog.Logger, qp client.LeveledQuoteProvider, authSvc auth.Authenticator, caUrl string, cvmId string) server.Server {
-	base := config.GetBaseConfig()
-	listenFullAddress := fmt.Sprintf("%s:%s", base.Host, base.Port)
-	return &Server{
-		BaseServer: server.BaseServer{
-			Ctx:     ctx,
-			Cancel:  cancel,
-			Name:    name,
-			Address: listenFullAddress,
-			Config:  config,
-			Logger:  logger,
-		},
-		registerService: registerService,
-		quoteProvider:   qp,
-		authSvc:         authSvc,
-		caUrl:           caUrl,
-		cvmId:           cvmId,
-	}
-}
-
-func (s *Server) Start() error {
-	errCh := make(chan error)
-	grpcServerOptions := []grpc.ServerOption{
-		grpc.StatsHandler(otelgrpc.NewServerHandler()),
-	}
-
-	if s.authSvc != nil {
-		unary, stream := agentgrpc.NewAuthInterceptor(s.authSvc)
-		grpcServerOptions = append(grpcServerOptions, grpc.UnaryInterceptor(unary))
-		grpcServerOptions = append(grpcServerOptions, grpc.StreamInterceptor(stream))
-	}
-
-	creds := grpc.Creds(insecure.NewCredentials())
-	var listener net.Listener
-
-	if agCfg, ok := s.Config.(server.AgentConfig); ok && agCfg.AttestedTLS {
-		certificateBytes, privateKeyBytes, err := generateCertificatesForATLS(s.caUrl, s.cvmId)
-		if err != nil {
-			return fmt.Errorf("failed to create certificate: %w", err)
-		}
-
-		certificate, err := tls.X509KeyPair(certificateBytes, privateKeyBytes)
-		if err != nil {
-			return fmt.Errorf("falied due to invalid key pair: %w", err)
-		}
-
-		tlsConfig := &tls.Config{
-			ClientAuth:   tls.NoClientCert,
-			Certificates: []tls.Certificate{certificate},
-		}
-
-		creds = grpc.Creds(credentials.NewTLS(tlsConfig))
-
-		listener, err = atls.Listen(
-			s.Address,
-			certificateBytes,
-			privateKeyBytes,
-		)
-		if err != nil {
-			return fmt.Errorf("failed to create Listener for aTLS: %w", err)
-		}
-		s.Logger.Info(fmt.Sprintf("%s service gRPC server listening at %s with Attested TLS", s.Name, s.Address))
-	} else {
-		c := s.Config.GetBaseConfig()
-		switch {
-		case c.CertFile != "" || c.KeyFile != "":
-			certificate, err := loadX509KeyPair(c.CertFile, c.KeyFile)
-			if err != nil {
-				return fmt.Errorf("failed to load auth certificates: %w", err)
-			}
-			tlsConfig := &tls.Config{
-				ClientAuth:   tls.NoClientCert,
-				Certificates: []tls.Certificate{certificate},
-			}
-
-			var mtlsCA string
-			// Loading Server CA file
-			rootCA, err := loadCertFile(c.ServerCAFile)
-			if err != nil {
-				return fmt.Errorf("failed to load root ca file: %w", err)
-			}
-			if len(rootCA) > 0 {
-				if tlsConfig.RootCAs == nil {
-					tlsConfig.RootCAs = x509.NewCertPool()
-				}
-				if !tlsConfig.RootCAs.AppendCertsFromPEM(rootCA) {
-					return fmt.Errorf("failed to append root ca to tls.Config")
-				}
-				mtlsCA = fmt.Sprintf("root ca %s", c.ServerCAFile)
-			}
-
-			// Loading Client CA File
-			clientCA, err := loadCertFile(c.ClientCAFile)
-			if err != nil {
-				return fmt.Errorf("failed to load client ca file: %w", err)
-			}
-			if len(clientCA) > 0 {
-				if tlsConfig.ClientCAs == nil {
-					tlsConfig.ClientCAs = x509.NewCertPool()
-				}
-				if !tlsConfig.ClientCAs.AppendCertsFromPEM(clientCA) {
-					return fmt.Errorf("failed to append client ca to tls.Config")
-				}
-				mtlsCA = fmt.Sprintf("%s client ca %s", mtlsCA, c.ClientCAFile)
-			}
-			creds = grpc.Creds(credentials.NewTLS(tlsConfig))
-			switch {
-			case mtlsCA != "":
-				tlsConfig.ClientAuth = tls.RequireAndVerifyClientCert
-				creds = grpc.Creds(credentials.NewTLS(tlsConfig))
-				s.Logger.Info(fmt.Sprintf("%s service gRPC server listening at %s with TLS/mTLS cert %s , key %s and %s", s.Name, s.Address, c.CertFile, c.KeyFile, mtlsCA))
-			default:
-				s.Logger.Info(fmt.Sprintf("%s service gRPC server listening at %s with TLS cert %s and key %s", s.Name, s.Address, c.CertFile, c.KeyFile))
-			}
-
-			listener, err = net.Listen("tcp", s.Address)
-			if err != nil {
-				return fmt.Errorf("failed to listen on port %s: %w", s.Address, err)
-			}
-		default:
-			var err error
-
-			listener, err = net.Listen("tcp", s.Address)
-			if err != nil {
-				return fmt.Errorf("failed to listen on port %s: %w", s.Address, err)
-			}
-			s.Logger.Info(fmt.Sprintf("%s service gRPC server listening at %s without TLS", s.Name, s.Address))
-		}
-	}
-
-	grpcServerOptions = append(grpcServerOptions, creds)
-
-	s.server = grpc.NewServer(grpcServerOptions...)
-	s.health = health.NewServer()
-	grpchealth.RegisterHealthServer(s.server, s.health)
-	s.registerService(s.server)
-	s.health.SetServingStatus(s.Name, grpchealth.HealthCheckResponse_SERVING)
-
-	go func() {
-		errCh <- s.server.Serve(listener)
-	}()
-
-	select {
-	case <-s.Ctx.Done():
-		return s.Stop()
-	case err := <-errCh:
-		s.Cancel()
-		return err
-	}
-}
-
-func (s *Server) Stop() error {
-	defer s.Cancel()
-	c := make(chan bool)
-	go func() {
-		defer close(c)
-		s.health.Shutdown()
-		s.server.GracefulStop()
-	}()
-	select {
-	case <-c:
-	case <-time.After(stopWaitTime):
-	}
-	s.Logger.Info(fmt.Sprintf("%s gRPC service shutdown at %s", s.Name, s.Address))
-
-	return nil
-}
-
-func loadCertFile(certFile string) ([]byte, error) {
-	if certFile != "" {
-		return readFileOrData(certFile)
-	}
-	return []byte{}, nil
-}
-
-func readFileOrData(input string) ([]byte, error) {
-	if len(input) < 1000 && !strings.Contains(input, "\n") {
-		data, err := os.ReadFile(input)
-		if err == nil {
-			return data, nil
-		}
-	}
-	return []byte(input), nil
-}
-
-func loadX509KeyPair(certfile, keyfile string) (tls.Certificate, error) {
-	cert, err := readFileOrData(certfile)
-	if err != nil {
-		return tls.Certificate{}, fmt.Errorf("failed to read cert: %v", err)
-	}
-
-	key, err := readFileOrData(keyfile)
-	if err != nil {
-		return tls.Certificate{}, fmt.Errorf("failed to read key: %v", err)
-	}
-
-	return tls.X509KeyPair(cert, key)
-}
-
-func generateCertificatesForATLS(caUrl string, cvmId string) ([]byte, []byte, error) {
-	curve := elliptic.P256()
-
-	privateKey, err := ecdsa.GenerateKey(curve, rand.Reader)
-	if err != nil {
-		return nil, nil, fmt.Errorf("failed to generate private/public key: %w", err)
-	}
-
-	var certDERBytes []byte
-
-	if caUrl == "" || cvmId == "" {
-		certTemplate := &x509.Certificate{
-			SerialNumber: big.NewInt(202403311),
-			Subject: pkix.Name{
-				Organization:  []string{organization},
-				Country:       []string{country},
-				Province:      []string{province},
-				Locality:      []string{locality},
-				StreetAddress: []string{streetAddress},
-				PostalCode:    []string{postalCode},
-			},
-			NotBefore:             time.Now(),
-			NotAfter:              time.Now().AddDate(notAfterYear, notAfterMonth, notAfterDay),
-			KeyUsage:              x509.KeyUsageDigitalSignature,
-			ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
-			BasicConstraintsValid: true,
-		}
-
-		DERBytes, err := x509.CreateCertificate(rand.Reader, certTemplate, certTemplate, &privateKey.PublicKey, privateKey)
-		if err != nil {
-			return nil, nil, fmt.Errorf("failed to create certificate: %w", err)
-		}
-
-		certDERBytes = DERBytes
-	} else {
-		csrmd := certs.CSRMetadata{
-			Organization:  []string{organization},
-			Country:       []string{country},
-			Province:      []string{province},
-			Locality:      []string{locality},
-			StreetAddress: []string{streetAddress},
-			PostalCode:    []string{postalCode},
-		}
-
-		csr, err := certscli.CreateCSR(csrmd, privateKey)
-		if err != nil {
-			return nil, nil, fmt.Errorf("failed to create CSR: %w", err)
-		}
-
-		csrData := string(csr.CSR)
-
-		r := csrReq{
-			CSR: csrData,
-		}
-
-		data, error := json.Marshal(r)
-		if error != nil {
-			return nil, nil, errors.NewSDKError(error)
-		}
-
-		notBefore := time.Now()
-		notAfter := time.Now().AddDate(notAfterYear, notAfterMonth, notAfterDay)
-		ttlString := notAfter.Sub(notBefore).String()
-
-		query := url.Values{}
-		query.Add("ttl", ttlString)
-		query_string := query.Encode()
-
-		certsEndpoint := "certs"
-		csrEndpoint := "csrs"
-		endpoint := fmt.Sprintf("%s/%s/%s", certsEndpoint, csrEndpoint, cvmId)
-
-		url := fmt.Sprintf("%s/%s?%s", caUrl, endpoint, query_string)
-
-		_, body, sdkerr := processRequest(http.MethodPost, url, data, nil, http.StatusOK)
-		if sdkerr != nil {
-			return nil, nil, errors.NewSDKError(sdkerr)
-		}
-
-		var cert certssdk.Certificate
-		if err := json.Unmarshal(body, &cert); err != nil {
-			return nil, nil, errors.NewSDKError(err)
-		}
-
-		cleanCertificateString := strings.ReplaceAll(cert.Certificate, "\\n", "\n")
-
-		block, rest := pem.Decode([]byte(cleanCertificateString))
-
-		if len(rest) != 0 {
-			return nil, nil, fmt.Errorf("failed to convert generated certificate to DER format: %s", cleanCertificateString)
-		}
-
-		certDERBytes = block.Bytes
-	}
-
-	certBytes := pem.EncodeToMemory(&pem.Block{
-		Type:  "CERTIFICATE",
-		Bytes: certDERBytes,
-	})
-
-	privateKeyBytes, err := x509.MarshalPKCS8PrivateKey(privateKey)
-	if err != nil {
-		return nil, nil, fmt.Errorf("failed to marshal the private key: %w", err)
-	}
-
-	keyBytes := pem.EncodeToMemory(&pem.Block{
-		Type:  "PRIVATE KEY",
-		Bytes: privateKeyBytes,
-	})
-
-	cert, err := x509.ParseCertificate(certDERBytes)
-	if err != nil {
-		return nil, nil, fmt.Errorf("failed to parse certificate: %w", err)
-	}
-
-	pubKeyDER, err := x509.MarshalPKIXPublicKey(cert.PublicKey)
-	if err != nil {
-		return nil, nil, fmt.Errorf("failed to marshal public key to DER format: %w", err)
-	}
-
-	if err := vtpm.ExtendPCR(vtpm.PCR15, pubKeyDER); err != nil {
-		return nil, nil, fmt.Errorf("failed to extend vTPM PCR with public key: %w", err)
-	}
-
-	return certBytes, keyBytes, nil
-}
-
-func processRequest(method, reqUrl string, data []byte, headers map[string]string, expectedRespCodes ...int) (http.Header, []byte, errors.SDKError) {
-	req, err := http.NewRequest(method, reqUrl, bytes.NewReader(data))
-	if err != nil {
-		return make(http.Header), []byte{}, errors.NewSDKError(err)
-	}
-
-	// Sets a default value for the Content-Type.
-	// Overridden if Content-Type is passed in the headers arguments.
-	req.Header.Add("Content-Type", "application/json")
-
-	for key, value := range headers {
-		req.Header.Add(key, value)
-	}
-
-	client := &http.Client{
-		Transport: &http.Transport{
-			TLSClientConfig: &tls.Config{
-				InsecureSkipVerify: true,
-			},
-		},
-	}
-
-	resp, err := client.Do(req)
-	if err != nil {
-		return make(http.Header), []byte{}, errors.NewSDKError(err)
-	}
-	defer resp.Body.Close()
-	sdkerr := errors.CheckError(resp, expectedRespCodes...)
-	if sdkerr != nil {
-		return make(http.Header), []byte{}, sdkerr
-	}
-	body, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return make(http.Header), []byte{}, errors.NewSDKError(err)
-	}
-	return resp.Header, body, nil
-}

internal/zip.go

@@ -111,6 +111,10 @@ func ZipDirectoryToTempFile(sourceDir string) (*os.File, error) {
 		return nil, err
 	}
 
+	if _, err := tmpFile.Seek(0, 0); err != nil {
+		return nil, err
+	}
+
 	return tmpFile, nil
 }
 

manager/README.md

@@ -14,11 +14,18 @@ The service is configured using the environment variables from the following tab
 | MANAGER_ATTESTATION_POLICY_BINARY          | The file path for the attestation policy binarie.                                                                | ../../build/attestation_policy |
 | MANAGER_IGVMMEASURE_BINARY                 | The file path for the igvmmeasure binarie.                                                                       | ../../build/igvmmeasure        |
 | MANAGER_PCR_VALUES                         | The file path for the file with the expected PCR values.                                                         |                                |
-| MANAGER_GRPC_CLIENT_CERT                   | The file path for the client certificate.                                                                        |                                |
-| MANAGER_GRPC_CLIENT_KEY                    | The file path for the client private key.                                                                        |                                |
-| MANAGER_GRPC_SERVER_CA_CERTS               | The file path for the server CA certificate(s).                                                                  |                                |
-| MANAGER_GRPC_URL                           | The URL for the gRPC endpoint.                                                                                   | localhost:7001                 |
-| MANAGER_GRPC_TIMEOUT                       | The timeout for gRPC requests.                                                                                   | 60s                            |
+| MANAGER_HTTP_HOST                          | Manager service HTTP host                                                                                        | ""                             |
+| MANAGER_HTTP_PORT                          | Manager service HTTP port                                                                                        | 7003                           |
+| MANAGER_HTTP_SERVER_CERT                   | Manager to HTTP server certificate in pem format                                                                 | ""                             |
+| MANAGER_HTTP_SERVER_KEY                    | Path to HTTP server key in pem format                                                                            | ""                             |
+| MANAGER_HTTP_SERVER_CA_CERTS               | Path to HTTP server CA certificate                                                                               | ""                             |
+| MANAGER_HTTP_CLIENT_CA_CERTS               | Path to HTTP client CA certificate                                                                               | ""                             |
+| MANAGER_GRPC_HOST                          | Manager service gRPC host                                                                                        | ""                             |
+| MANAGER_GRPC_PORT                          | Manager service gRPC port                                                                                        | 7001                           |
+| MANAGER_GRPC_SERVER_CERT                   | Path to gRPC server certificate in pem format                                                                    | ""                             |
+| MANAGER_GRPC_SERVER_KEY                    | Path to gRPC server key in pem format                                                                            | ""                             |
+| MANAGER_GRPC_SERVER_CA_CERTS               | Path to gRPC server CA certificate                                                                               | ""                             |
+| MANAGER_GRPC_CLIENT_CA_CERTS               | Path to gRPC client CA certificate                                                                               | ""                             |
 | MANAGER_EOS_VERSION                        | The EOS version used for booting CVMs.                                                                           |                                |
 | MANAGER_INSTANCE_ID                        | Manager service instance ID                                                                                      |                                |
 | MANAGER_QEMU_MEMORY_SIZE                   | The total memory size for the virtual machine. Can be specified in a human-readable format like "2048M" or "4G". | 2048M                          |
@@ -43,20 +50,20 @@ The service is configured using the environment variables from the following tab
 | MANAGER_QEMU_VIRTIO_NET_PCI_ROMFILE        | The file path for the ROM image for the virtio-net PCI device.                                                   |                                |
 | MANAGER_QEMU_DISK_IMG_KERNEL_FILE          | The file path for the kernel image.                                                                              | img/bzImage                    |
 | MANAGER_QEMU_DISK_IMG_ROOTFS_FILE          | The file path for the root filesystem image.                                                                     | img/rootfs.cpio.gz             |
-| MANAGER_QEMU_SEV_ID                        | The ID for the Secure Encrypted Virtualization (SEV) device.                                                     | sev0                           |
-| MANAGER_QEMU_SEV_CBITPOS                   | The position of the C-bit in the physical address.                                                               | 51                             |
-| MANAGER_QEMU_SEV_REDUCED_PHYS_BITS         | The number of reduced physical address bits for SEV.                                                             | 1                              |
-| MANAGER_QEMU_ENABLE_HOST_DATA              | Enable additional data for the SEV host.                                                                         | false                          |
-| MANAGER_QEMU_HOST_DATA                     | Additional data for the SEV host.                                                                                |                                |
+| MANAGER_QEMU_SEV_SNP_ID                    | The ID for the Secure Encrypted Virtualization (SEV-SNP) device.                                                 | sev0                           |
+| MANAGER_QEMU_SEV_SNP_CBITPOS               | The position of the C-bit in the physical address.                                                               | 51                             |
+| MANAGER_QEMU_SEV_SNP_REDUCED_PHYS_BITS     | The number of reduced physical address bits for SEV-SNP.                                                         | 1                              |
+| MANAGER_QEMU_ENABLE_HOST_DATA              | Enable additional data for the SEV-SNP host.                                                                     | false                          |
+| MANAGER_QEMU_HOST_DATA                     | Additional data for the SEV-SNP host.                                                                            |                                |
+| MANAGER_QEMU_TDX_ID                        | The ID for the Trust Domain Extensions (TDX) device.                                                             | tdx0                           |
+| MANAGER_QEMU_QUOTE_GENERATION_PORT         | The port number for virtual socket used to communicate with the Quote Generation Service (QGS).                  | 4050                           |
+| MANAGER_QEMU_OVMF_FILE                     | The file path for the OVMF file (combined OVMF_CODE and OVMF_VARS file).                                         | /usr/share/ovmf/OVMF.fd        |
 | MANAGER_QEMU_IGVM_ID                       | The ID of the IGVM file.                                                                                         | igvm0                          |
 | MANAGER_QEMU_IGVM_FILE                     | The file path to the IGVM file.                                                                                  | /root/coconut-qemu.igvm        |
-| MANAGER_QEMU_VSOCK_ID                      | The ID for the virtual socket device.                                                                            | vhost-vsock-pci0               |
-| MANAGER_QEMU_VSOCK_GUEST_CID               | The guest-side CID (Context ID) for the virtual socket device.                                                   | 3                              |
-| MANAGER_QEMU_VSOCK_VNC                     | Whether to enable the virtual socket device for VNC.                                                             | 0                              |
 | MANAGER_QEMU_BIN_PATH                      | The file path for the QEMU binary.                                                                               | qemu-system-x86_64             |
 | MANAGER_QEMU_USE_SUDO                      | Whether to use sudo to run QEMU.                                                                                 | false                          |
-| MANAGER_QEMU_ENABLE_SEV                    | Whether to enable Secure Encrypted Virtualization (SEV).                                                         | false                          |
 | MANAGER_QEMU_ENABLE_SEV_SNP                | Whether to enable Secure Nested Paging (SEV-SNP).                                                                | true                           |
+| MANAGER_QEMU_ENABLE_TDX                    | Whether to enable Trust Domain Extensions (TDX).                                                                 | false                          |
 | MANAGER_QEMU_ENABLE_KVM                    | Whether to enable the Kernel-based Virtual Machine (KVM) acceleration.                                           | true                           |
 | MANAGER_QEMU_MACHINE                       | The machine type for QEMU.                                                                                       | q35                            |
 | MANAGER_QEMU_CPU                           | The CPU model for QEMU.                                                                                          | EPYC                           |
@@ -66,6 +73,7 @@ The service is configured using the environment variables from the following tab
 | MANAGER_QEMU_NO_GRAPHIC                    | Whether to disable the graphical display.                                                                        | true                           |
 | MANAGER_QEMU_MONITOR                       | The type of monitor to use.                                                                                      | pty                            |
 | MANAGER_QEMU_HOST_FWD_RANGE                | The range of host ports to forward.                                                                              | 6100-6200                      |
+| MANAGER_MAX_VMS                            | The maximum number of vms running concurrently on manager.                                                       | 10                             |
 
 ## Setup
 
@@ -237,19 +245,6 @@ make manager
 MANAGER_GRPC_URL=localhost:7001 \
 MANAGER_LOG_LEVEL=debug \
 MANAGER_QEMU_USE_SUDO=false \
-MANAGER_QEMU_ENABLE_SEV=false \
-./build/cocos-manager
-```
-
-
-To enable [AMD SEV](https://www.amd.com/en/developer/sev.html) support, start manager like this 
-
-```sh
-MANAGER_GRPC_URL=localhost:7001
-MANAGER_LOG_LEVEL=debug \
-MANAGER_QEMU_USE_SUDO=true \
-MANAGER_QEMU_ENABLE_SEV=true \
-MANAGER_QEMU_SEV_CBITPOS=51 \
 ./build/cocos-manager
 ```
 
@@ -260,14 +255,26 @@ To enable [AMD SEV-SNP](https://www.amd.com/en/developer/sev.html) support, star
 ```sh
 MANAGER_GRPC_URL=localhost:7001 \
 MANAGER_LOG_LEVEL=debug \
-MANAGER_QEMU_ENABLE_SEV=false \
 MANAGER_QEMU_ENABLE_SEV_SNP=true \
-MANAGER_QEMU_SEV_CBITPOS=51 \
+MANAGER_QEMU_SEV_SNP_CBITPOS=51 \
 MANAGER_QEMU_BIN_PATH=<path to QEMU binary> \
 MANAGER_QEMU_IGVM_FILE=<path to IGVM file> \
 ./build/cocos-manager
 ```
 
+To enable [TDX](https://www.intel.com/content/www/us/en/developer/tools/trust-domain-extensions/overview.html) support, start manager like this
+
+```sh
+MANAGER_GRPC_URL=localhost:7001 \
+MANAGER_LOG_LEVEL=debug \
+MANAGER_QEMU_ENABLE_SEV_SNP=false \
+MANAGER_QEMU_ENABLE_TDX=true \
+MANAGER_QEMU_CPU=host \
+MANAGER_QEMU_BIN_PATH=<path to QEMU binary> \
+MANAGER_QEMU_OVMF_FILE=<path to OVMF file> \
+./build/cocos-manager
+```
+
 ### Troubleshooting
 
 If the `ps aux | grep qemu-system-x86_64` give you something like this

manager/api/grpc/server_test.go

@@ -0,0 +1,425 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package grpc
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/ultravioletrs/cocos/manager"
+	"github.com/ultravioletrs/cocos/manager/mocks"
+	"google.golang.org/protobuf/types/known/emptypb"
+)
+
+func TestNewServer(t *testing.T) {
+	mockSvc := new(mocks.Service)
+	server := NewServer(mockSvc)
+
+	assert.NotNil(t, server)
+	assert.IsType(t, &grpcServer{}, server)
+
+	grpcSrv := server.(*grpcServer)
+	assert.Equal(t, mockSvc, grpcSrv.svc)
+}
+
+func TestCreateVm(t *testing.T) {
+	tests := []struct {
+		name        string
+		req         *manager.CreateReq
+		mockPort    string
+		mockId      string
+		mockErr     error
+		expectedRes *manager.CreateRes
+		expectedErr error
+	}{
+		{
+			name:     "successful VM creation",
+			req:      &manager.CreateReq{},
+			mockPort: "8080",
+			mockId:   "vm-123",
+			mockErr:  nil,
+			expectedRes: &manager.CreateRes{
+				ForwardedPort: "8080",
+				CvmId:         "vm-123",
+			},
+			expectedErr: nil,
+		},
+		{
+			name:     "VM creation with different port",
+			req:      &manager.CreateReq{},
+			mockPort: "9090",
+			mockId:   "vm-456",
+			mockErr:  nil,
+			expectedRes: &manager.CreateRes{
+				ForwardedPort: "9090",
+				CvmId:         "vm-456",
+			},
+			expectedErr: nil,
+		},
+		{
+			name:        "VM creation failure",
+			req:         &manager.CreateReq{},
+			mockPort:    "",
+			mockId:      "",
+			mockErr:     errors.New("failed to create VM"),
+			expectedRes: nil,
+			expectedErr: errors.New("failed to create VM"),
+		},
+		{
+			name:     "VM creation with empty request",
+			req:      &manager.CreateReq{},
+			mockPort: "3000",
+			mockId:   "vm-empty",
+			mockErr:  nil,
+			expectedRes: &manager.CreateRes{
+				ForwardedPort: "3000",
+				CvmId:         "vm-empty",
+			},
+			expectedErr: nil,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mockSvc := new(mocks.Service)
+			server := NewServer(mockSvc)
+
+			mockSvc.On("CreateVM", mock.Anything, tt.req).Return(tt.mockPort, tt.mockId, tt.mockErr)
+
+			res, err := server.CreateVm(context.Background(), tt.req)
+
+			if tt.expectedErr != nil {
+				assert.Error(t, err)
+				assert.Equal(t, tt.expectedErr.Error(), err.Error())
+				assert.Nil(t, res)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, tt.expectedRes, res)
+			}
+
+			mockSvc.AssertExpectations(t)
+		})
+	}
+}
+
+func TestRemoveVm(t *testing.T) {
+	tests := []struct {
+		name        string
+		req         *manager.RemoveReq
+		mockErr     error
+		expectedErr error
+	}{
+		{
+			name: "successful VM removal",
+			req: &manager.RemoveReq{
+				CvmId: "vm-123",
+			},
+			mockErr:     nil,
+			expectedErr: nil,
+		},
+		{
+			name: "VM removal failure",
+			req: &manager.RemoveReq{
+				CvmId: "vm-456",
+			},
+			mockErr:     errors.New("VM not found"),
+			expectedErr: errors.New("VM not found"),
+		},
+		{
+			name: "VM removal with empty ID",
+			req: &manager.RemoveReq{
+				CvmId: "",
+			},
+			mockErr:     errors.New("invalid VM ID"),
+			expectedErr: errors.New("invalid VM ID"),
+		},
+		{
+			name: "VM removal with non-existent ID",
+			req: &manager.RemoveReq{
+				CvmId: "non-existent-vm",
+			},
+			mockErr:     errors.New("VM does not exist"),
+			expectedErr: errors.New("VM does not exist"),
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mockSvc := new(mocks.Service)
+			server := NewServer(mockSvc)
+
+			mockSvc.On("RemoveVM", mock.Anything, tt.req.CvmId).Return(tt.mockErr)
+
+			res, err := server.RemoveVm(context.Background(), tt.req)
+
+			if tt.expectedErr != nil {
+				assert.Error(t, err)
+				assert.Equal(t, tt.expectedErr.Error(), err.Error())
+				assert.Nil(t, res)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, &emptypb.Empty{}, res)
+			}
+
+			mockSvc.AssertExpectations(t)
+		})
+	}
+}
+
+func TestCVMInfo(t *testing.T) {
+	tests := []struct {
+		name           string
+		req            *manager.CVMInfoReq
+		mockOvmf       string
+		mockCpuNum     int
+		mockCpuType    string
+		mockEosVersion string
+		expectedRes    *manager.CVMInfoRes
+	}{
+		{
+			name: "successful CVM info retrieval",
+			req: &manager.CVMInfoReq{
+				Id: "cvm-123",
+			},
+			mockOvmf:       "OVMF-v1.0",
+			mockCpuNum:     4,
+			mockCpuType:    "Intel-x86_64",
+			mockEosVersion: "EOS-v2.1",
+			expectedRes: &manager.CVMInfoRes{
+				OvmfVersion: "OVMF-v1.0",
+				CpuNum:      4,
+				CpuType:     "Intel-x86_64",
+				EosVersion:  "EOS-v2.1",
+				Id:          "cvm-123",
+			},
+		},
+		{
+			name: "CVM info with different values",
+			req: &manager.CVMInfoReq{
+				Id: "cvm-456",
+			},
+			mockOvmf:       "OVMF-v2.0",
+			mockCpuNum:     8,
+			mockCpuType:    "AMD-x86_64",
+			mockEosVersion: "EOS-v3.0",
+			expectedRes: &manager.CVMInfoRes{
+				OvmfVersion: "OVMF-v2.0",
+				CpuNum:      8,
+				CpuType:     "AMD-x86_64",
+				EosVersion:  "EOS-v3.0",
+				Id:          "cvm-456",
+			},
+		},
+		{
+			name: "CVM info with empty ID",
+			req: &manager.CVMInfoReq{
+				Id: "",
+			},
+			mockOvmf:       "OVMF-v1.5",
+			mockCpuNum:     2,
+			mockCpuType:    "ARM64",
+			mockEosVersion: "EOS-v1.8",
+			expectedRes: &manager.CVMInfoRes{
+				OvmfVersion: "OVMF-v1.5",
+				CpuNum:      2,
+				CpuType:     "ARM64",
+				EosVersion:  "EOS-v1.8",
+				Id:          "",
+			},
+		},
+		{
+			name: "CVM info with zero CPU count",
+			req: &manager.CVMInfoReq{
+				Id: "cvm-zero",
+			},
+			mockOvmf:       "OVMF-v1.0",
+			mockCpuNum:     0,
+			mockCpuType:    "Unknown",
+			mockEosVersion: "EOS-v1.0",
+			expectedRes: &manager.CVMInfoRes{
+				OvmfVersion: "OVMF-v1.0",
+				CpuNum:      0,
+				CpuType:     "Unknown",
+				EosVersion:  "EOS-v1.0",
+				Id:          "cvm-zero",
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mockSvc := new(mocks.Service)
+			server := NewServer(mockSvc)
+
+			mockSvc.On("ReturnCVMInfo", mock.Anything).Return(
+				tt.mockOvmf, tt.mockCpuNum, tt.mockCpuType, tt.mockEosVersion)
+
+			res, err := server.CVMInfo(context.Background(), tt.req)
+
+			assert.NoError(t, err)
+			assert.Equal(t, tt.expectedRes, res)
+
+			mockSvc.AssertExpectations(t)
+		})
+	}
+}
+
+func TestAttestationPolicy(t *testing.T) {
+	tests := []struct {
+		name        string
+		req         *manager.AttestationPolicyReq
+		mockPolicy  string
+		mockErr     error
+		expectedRes *manager.AttestationPolicyRes
+		expectedErr error
+	}{
+		{
+			name: "successful attestation policy fetch",
+			req: &manager.AttestationPolicyReq{
+				Id: "policy-123",
+			},
+			mockPolicy: `{"version": "1.0", "rules": ["rule1", "rule2"]}`,
+			mockErr:    nil,
+			expectedRes: &manager.AttestationPolicyRes{
+				Info: []byte(`{"version": "1.0", "rules": ["rule1", "rule2"]}`),
+				Id:   "policy-123",
+			},
+			expectedErr: nil,
+		},
+		{
+			name: "attestation policy fetch failure",
+			req: &manager.AttestationPolicyReq{
+				Id: "policy-456",
+			},
+			mockPolicy:  "",
+			mockErr:     errors.New("policy not found"),
+			expectedRes: nil,
+			expectedErr: errors.New("policy not found"),
+		},
+		{
+			name: "attestation policy with empty ID",
+			req: &manager.AttestationPolicyReq{
+				Id: "",
+			},
+			mockPolicy:  "",
+			mockErr:     errors.New("invalid policy ID"),
+			expectedRes: nil,
+			expectedErr: errors.New("invalid policy ID"),
+		},
+		{
+			name: "attestation policy with different content",
+			req: &manager.AttestationPolicyReq{
+				Id: "policy-789",
+			},
+			mockPolicy: `{"version": "2.0", "attestation_type": "SGX"}`,
+			mockErr:    nil,
+			expectedRes: &manager.AttestationPolicyRes{
+				Info: []byte(`{"version": "2.0", "attestation_type": "SGX"}`),
+				Id:   "policy-789",
+			},
+			expectedErr: nil,
+		},
+		{
+			name: "attestation policy with empty policy content",
+			req: &manager.AttestationPolicyReq{
+				Id: "policy-empty",
+			},
+			mockPolicy: "",
+			mockErr:    nil,
+			expectedRes: &manager.AttestationPolicyRes{
+				Info: []byte{},
+				Id:   "policy-empty",
+			},
+			expectedErr: nil,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mockSvc := new(mocks.Service)
+			server := NewServer(mockSvc)
+
+			mockSvc.On("FetchAttestationPolicy", mock.Anything, tt.req.Id).Return([]byte(tt.mockPolicy), tt.mockErr)
+
+			res, err := server.AttestationPolicy(context.Background(), tt.req)
+
+			if tt.expectedErr != nil {
+				assert.Error(t, err)
+				assert.Equal(t, tt.expectedErr.Error(), err.Error())
+				assert.Nil(t, res)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, tt.expectedRes, res)
+			}
+
+			mockSvc.AssertExpectations(t)
+		})
+	}
+}
+
+func TestContextCancellation(t *testing.T) {
+	t.Run("CreateVm with cancelled context", func(t *testing.T) {
+		mockSvc := new(mocks.Service)
+		server := NewServer(mockSvc)
+
+		ctx, cancel := context.WithCancel(context.Background())
+		cancel() // Cancel the context immediately
+
+		req := &manager.CreateReq{}
+		mockSvc.On("CreateVM", mock.Anything, req).Return("", "", context.Canceled)
+
+		res, err := server.CreateVm(ctx, req)
+
+		assert.Error(t, err)
+		assert.Equal(t, context.Canceled, err)
+		assert.Nil(t, res)
+
+		mockSvc.AssertExpectations(t)
+	})
+
+	t.Run("RemoveVm with cancelled context", func(t *testing.T) {
+		mockSvc := new(mocks.Service)
+		server := NewServer(mockSvc)
+
+		ctx, cancel := context.WithCancel(context.Background())
+		cancel() // Cancel the context immediately
+
+		req := &manager.RemoveReq{CvmId: "vm-123"}
+		mockSvc.On("RemoveVM", mock.Anything, "vm-123").Return(context.Canceled)
+
+		res, err := server.RemoveVm(ctx, req)
+
+		assert.Error(t, err)
+		assert.Equal(t, context.Canceled, err)
+		assert.Nil(t, res)
+
+		mockSvc.AssertExpectations(t)
+	})
+}
+
+func TestErrorHandling(t *testing.T) {
+	t.Run("service returns multiple error types", func(t *testing.T) {
+		mockSvc := new(mocks.Service)
+		server := NewServer(mockSvc)
+
+		// Test with different error types
+		customErr := errors.New("custom service error")
+
+		req := &manager.CreateReq{}
+		mockSvc.On("CreateVM", mock.Anything, req).Return("", "", customErr)
+
+		res, err := server.CreateVm(context.Background(), req)
+
+		assert.Error(t, err)
+		assert.Equal(t, customErr, err)
+		assert.Nil(t, res)
+
+		mockSvc.AssertExpectations(t)
+	})
+}

manager/api/http/transport.go

@@ -0,0 +1,20 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+
+package http
+
+import (
+	"net/http"
+
+	"github.com/absmach/supermq"
+	"github.com/go-chi/chi/v5"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+)
+
+// MakeHandler returns a HTTP handler for API endpoints.
+func MakeHandler(r *chi.Mux, svcName, instanceID string) http.Handler {
+	r.Get("/health", supermq.Health(svcName, instanceID))
+	r.Handle("/metrics", promhttp.Handler())
+
+	return r
+}

manager/api/http/transport_test.go

@@ -0,0 +1,379 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+
+package http
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMakeHandler(t *testing.T) {
+	const (
+		testServiceName = "test-service"
+		testInstanceID  = "test-instance-123"
+	)
+
+	tests := []struct {
+		name           string
+		serviceName    string
+		instanceID     string
+		expectedRoutes int
+	}{
+		{
+			name:           "valid handler creation",
+			serviceName:    testServiceName,
+			instanceID:     testInstanceID,
+			expectedRoutes: 2, // /health and /metrics
+		},
+		{
+			name:           "empty service name",
+			serviceName:    "",
+			instanceID:     testInstanceID,
+			expectedRoutes: 2,
+		},
+		{
+			name:           "empty instance ID",
+			serviceName:    testServiceName,
+			instanceID:     "",
+			expectedRoutes: 2,
+		},
+		{
+			name:           "both empty",
+			serviceName:    "",
+			instanceID:     "",
+			expectedRoutes: 2,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := chi.NewRouter()
+			handler := MakeHandler(r, tt.serviceName, tt.instanceID)
+
+			require.NotNil(t, handler)
+			assert.Implements(t, (*http.Handler)(nil), handler)
+
+			// Verify that the handler is actually the chi router
+			assert.Equal(t, r, handler)
+		})
+	}
+}
+
+func TestHealthEndpoint(t *testing.T) {
+	const (
+		testServiceName = "test-service"
+		testInstanceID  = "test-instance-123"
+	)
+
+	tests := []struct {
+		name           string
+		serviceName    string
+		instanceID     string
+		method         string
+		path           string
+		expectedStatus int
+	}{
+		{
+			name:           "GET health endpoint success",
+			serviceName:    testServiceName,
+			instanceID:     testInstanceID,
+			method:         http.MethodGet,
+			path:           "/health",
+			expectedStatus: http.StatusOK,
+		},
+		{
+			name:           "POST health endpoint not allowed",
+			serviceName:    testServiceName,
+			instanceID:     testInstanceID,
+			method:         http.MethodPost,
+			path:           "/health",
+			expectedStatus: http.StatusMethodNotAllowed,
+		},
+		{
+			name:           "PUT health endpoint not allowed",
+			serviceName:    testServiceName,
+			instanceID:     testInstanceID,
+			method:         http.MethodPut,
+			path:           "/health",
+			expectedStatus: http.StatusMethodNotAllowed,
+		},
+		{
+			name:           "DELETE health endpoint not allowed",
+			serviceName:    testServiceName,
+			instanceID:     testInstanceID,
+			method:         http.MethodDelete,
+			path:           "/health",
+			expectedStatus: http.StatusMethodNotAllowed,
+		},
+		{
+			name:           "health with empty service name",
+			serviceName:    "",
+			instanceID:     testInstanceID,
+			method:         http.MethodGet,
+			path:           "/health",
+			expectedStatus: http.StatusOK,
+		},
+		{
+			name:           "health with empty instance ID",
+			serviceName:    testServiceName,
+			instanceID:     "",
+			method:         http.MethodGet,
+			path:           "/health",
+			expectedStatus: http.StatusOK,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := chi.NewRouter()
+			handler := MakeHandler(r, tt.serviceName, tt.instanceID)
+
+			req, err := http.NewRequest(tt.method, tt.path, nil)
+			require.NoError(t, err)
+
+			rr := httptest.NewRecorder()
+			handler.ServeHTTP(rr, req)
+
+			assert.Equal(t, tt.expectedStatus, rr.Code)
+
+			if tt.expectedStatus == http.StatusOK {
+				// Verify content type for successful health checks
+				contentType := rr.Header().Get("Content-Type")
+				assert.Contains(t, contentType, "application/health+json")
+
+				// Verify response body contains service info
+				body := rr.Body.String()
+				if tt.serviceName != "" {
+					assert.Contains(t, body, tt.serviceName)
+				}
+				if tt.instanceID != "" {
+					assert.Contains(t, body, tt.instanceID)
+				}
+			}
+		})
+	}
+}
+
+func TestMetricsEndpoint(t *testing.T) {
+	const (
+		testServiceName = "test-service"
+		testInstanceID  = "test-instance-123"
+	)
+
+	tests := []struct {
+		name           string
+		method         string
+		path           string
+		expectedStatus int
+	}{
+		{
+			name:           "GET metrics endpoint success",
+			method:         http.MethodGet,
+			path:           "/metrics",
+			expectedStatus: http.StatusOK,
+		},
+		{
+			name:           "POST metrics endpoint not allowed",
+			method:         http.MethodPost,
+			path:           "/metrics",
+			expectedStatus: http.StatusOK,
+		},
+		{
+			name:           "PUT metrics endpoint not allowed",
+			method:         http.MethodPut,
+			path:           "/metrics",
+			expectedStatus: http.StatusOK,
+		},
+		{
+			name:           "DELETE metrics endpoint not allowed",
+			method:         http.MethodDelete,
+			path:           "/metrics",
+			expectedStatus: http.StatusOK,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := chi.NewRouter()
+			handler := MakeHandler(r, testServiceName, testInstanceID)
+
+			req, err := http.NewRequest(tt.method, tt.path, nil)
+			require.NoError(t, err)
+
+			rr := httptest.NewRecorder()
+			handler.ServeHTTP(rr, req)
+
+			assert.Equal(t, tt.expectedStatus, rr.Code)
+
+			if tt.expectedStatus == http.StatusOK {
+				// Verify content type for Prometheus metrics
+				contentType := rr.Header().Get("Content-Type")
+				assert.Contains(t, contentType, "text/plain")
+
+				// Verify response contains Prometheus metrics format
+				body := rr.Body.String()
+				assert.Contains(t, body, "# HELP")
+				assert.Contains(t, body, "# TYPE")
+			}
+		})
+	}
+}
+
+func TestNotFoundEndpoint(t *testing.T) {
+	const (
+		testServiceName = "test-service"
+		testInstanceID  = "test-instance-123"
+	)
+
+	tests := []struct {
+		name           string
+		path           string
+		expectedStatus int
+	}{
+		{
+			name:           "root path not found",
+			path:           "/",
+			expectedStatus: http.StatusNotFound,
+		},
+		{
+			name:           "random path not found",
+			path:           "/random-path",
+			expectedStatus: http.StatusNotFound,
+		},
+		{
+			name:           "health typo not found",
+			path:           "/helth",
+			expectedStatus: http.StatusNotFound,
+		},
+		{
+			name:           "metrics typo not found",
+			path:           "/metric",
+			expectedStatus: http.StatusNotFound,
+		},
+		{
+			name:           "health with trailing slash",
+			path:           "/health/",
+			expectedStatus: http.StatusNotFound,
+		},
+		{
+			name:           "metrics with trailing slash",
+			path:           "/metrics/",
+			expectedStatus: http.StatusNotFound,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := chi.NewRouter()
+			handler := MakeHandler(r, testServiceName, testInstanceID)
+
+			req, err := http.NewRequest(http.MethodGet, tt.path, nil)
+			require.NoError(t, err)
+
+			rr := httptest.NewRecorder()
+			handler.ServeHTTP(rr, req)
+
+			assert.Equal(t, tt.expectedStatus, rr.Code)
+		})
+	}
+}
+
+func TestConcurrentRequests(t *testing.T) {
+	const (
+		testServiceName = "test-service"
+		testInstanceID  = "test-instance-123"
+		numRequests     = 100
+	)
+
+	r := chi.NewRouter()
+	handler := MakeHandler(r, testServiceName, testInstanceID)
+
+	// Test concurrent health requests
+	t.Run("concurrent health requests", func(t *testing.T) {
+		results := make(chan int, numRequests)
+
+		for i := 0; i < numRequests; i++ {
+			go func() {
+				req, err := http.NewRequest(http.MethodGet, "/health", nil)
+				require.NoError(t, err)
+
+				rr := httptest.NewRecorder()
+				handler.ServeHTTP(rr, req)
+
+				results <- rr.Code
+			}()
+		}
+
+		// Collect all results
+		for i := 0; i < numRequests; i++ {
+			status := <-results
+			assert.Equal(t, http.StatusOK, status)
+		}
+	})
+
+	// Test concurrent metrics requests
+	t.Run("concurrent metrics requests", func(t *testing.T) {
+		results := make(chan int, numRequests)
+
+		for i := 0; i < numRequests; i++ {
+			go func() {
+				req, err := http.NewRequest(http.MethodGet, "/metrics", nil)
+				require.NoError(t, err)
+
+				rr := httptest.NewRecorder()
+				handler.ServeHTTP(rr, req)
+
+				results <- rr.Code
+			}()
+		}
+
+		// Collect all results
+		for i := 0; i < numRequests; i++ {
+			status := <-results
+			assert.Equal(t, http.StatusOK, status)
+		}
+	})
+}
+
+func TestHandlerWithCustomRouter(t *testing.T) {
+	const (
+		testServiceName = "test-service"
+		testInstanceID  = "test-instance-123"
+	)
+
+	// Test with a router that already has some routes
+	r := chi.NewRouter()
+	r.Get("/existing", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		if _, err := w.Write([]byte("existing")); err != nil {
+			http.Error(w, "Failed to write response", http.StatusInternalServerError)
+		}
+	})
+
+	handler := MakeHandler(r, testServiceName, testInstanceID)
+
+	// Test that existing route still works
+	req, err := http.NewRequest(http.MethodGet, "/existing", nil)
+	require.NoError(t, err)
+
+	rr := httptest.NewRecorder()
+	handler.ServeHTTP(rr, req)
+
+	assert.Equal(t, http.StatusOK, rr.Code)
+	assert.Equal(t, "existing", rr.Body.String())
+
+	// Test that new routes work
+	req, err = http.NewRequest(http.MethodGet, "/health", nil)
+	require.NoError(t, err)
+
+	rr = httptest.NewRecorder()
+	handler.ServeHTTP(rr, req)
+
+	assert.Equal(t, http.StatusOK, rr.Code)
+}

manager/api/logging.go

@@ -75,3 +75,20 @@ func (lm *loggingMiddleware) ReturnCVMInfo(ctx context.Context) (string, int, st
 
 	return lm.svc.ReturnCVMInfo(ctx)
 }
+
+func (lm *loggingMiddleware) Shutdown() (err error) {
+	defer func(begin time.Time) {
+		if err != nil {
+			lm.logger.Warn("Method Shutdown completed with error",
+				"time_taken", time.Since(begin),
+				"error", err,
+			)
+			return
+		}
+		lm.logger.Info("Method Shutdown completed successfully",
+			"time_taken", time.Since(begin),
+		)
+	}(time.Now())
+
+	return lm.svc.Shutdown()
+}

manager/api/metrics.go

@@ -67,3 +67,12 @@ func (ms *metricsMiddleware) ReturnCVMInfo(ctx context.Context) (string, int, st
 
 	return ms.svc.ReturnCVMInfo(ctx)
 }
+
+func (ms *metricsMiddleware) Shutdown() error {
+	defer func(begin time.Time) {
+		ms.counter.With("method", "Shutdown").Add(1)
+		ms.latency.With("method", "Shutdown").Observe(time.Since(begin).Seconds())
+	}(time.Now())
+
+	return ms.svc.Shutdown()
+}

manager/attestation_policy.go

@@ -12,23 +12,71 @@ import (
 	"context"
 	"encoding/base64"
 	"encoding/hex"
-	"encoding/json"
 	"fmt"
-	"strconv"
 	"strings"
 
 	"github.com/google/go-sev-guest/proto/check"
 	"github.com/ultravioletrs/cocos/manager/qemu"
-	config "github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/attestation"
 	"github.com/ultravioletrs/cocos/pkg/attestation/cmdconfig"
-	"github.com/virtee/sev-snp-measure-go/cpuid"
-	"github.com/virtee/sev-snp-measure-go/guest"
-	"github.com/virtee/sev-snp-measure-go/vmmtypes"
+	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 )
 
-const defGuestFeatures = 0x1
-
 func (ms *managerService) FetchAttestationPolicy(_ context.Context, computationId string) ([]byte, error) {
+	ms.mu.Lock()
+	vm, exists := ms.vms[computationId]
+	ms.mu.Unlock()
+	if !exists {
+		return nil, fmt.Errorf("computationId %s not found", computationId)
+	}
+
+	vmi, ok := vm.GetConfig().(qemu.VMInfo)
+	if !ok {
+		return nil, fmt.Errorf("failed to cast config to qemu.VMInfo")
+	}
+
+	var attestPolicyCmd *cmdconfig.CmdConfig
+	var err error
+	switch {
+	case vmi.Config.EnableSEVSNP:
+		attestPolicyCmd, err = fetchSNPAttestationPolicy(ms)
+	case vmi.Config.EnableTDX:
+		attestPolicyCmd, err = fetchTDXAttestationPolicy(ms)
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	var stdOutByte []byte
+	ms.ap.Lock()
+	switch {
+	case vmi.Config.EnableSEVSNP:
+		stdOutByte, err = attestPolicyCmd.Run(ms.attestationPolicyBinaryPath)
+	case vmi.Config.EnableTDX:
+		stdOutByte, err = attestPolicyCmd.Run("")
+	}
+	ms.ap.Unlock()
+	if err != nil {
+		return nil, err
+	}
+
+	var policy []byte
+	switch {
+	case vmi.Config.EnableSEVSNP:
+		policy, err = readSEVSNPPolicy(stdOutByte, ms, vmi)
+	case vmi.Config.EnableTDX:
+		policy = stdOutByte
+		err = nil
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	return policy, nil
+}
+
+func fetchSNPAttestationPolicy(ms *managerService) (*cmdconfig.CmdConfig, error) {
 	var stderrBuffer bytes.Buffer
 	options := []string{"--policy", "196608"}
 
@@ -44,38 +92,33 @@ func (ms *managerService) FetchAttestationPolicy(_ context.Context, computationI
 		return nil, err
 	}
 
-	ms.mu.Lock()
-	vm, exists := ms.vms[computationId]
-	ms.mu.Unlock()
-	if !exists {
-		return nil, fmt.Errorf("computationId %s not found", computationId)
-	}
+	return attestPolicyCmd, nil
+}
 
-	vmi, ok := vm.GetConfig().(qemu.VMInfo)
-	if !ok {
-		return nil, fmt.Errorf("failed to cast config to qemu.VMInfo")
-	}
+func fetchTDXAttestationPolicy(ms *managerService) (*cmdconfig.CmdConfig, error) {
+	var stderrBuffer bytes.Buffer
 
-	ms.ap.Lock()
-	stdOutByte, err := attestPolicyCmd.Run(ms.attestationPolicyBinaryPath)
-	ms.ap.Unlock()
+	stderr := bufio.NewWriter(&stderrBuffer)
+
+	attestPolicyCmd, err := cmdconfig.NewCmdConfig(ms.attestationPolicyBinaryPath, nil, stderr)
 	if err != nil {
 		return nil, err
 	}
 
-	attestationPolicy := config.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &config.PcrConfig{}}
+	return attestPolicyCmd, nil
+}
 
-	if err = config.ReadAttestationPolicyFromByte(stdOutByte, &attestationPolicy); err != nil {
+func readSEVSNPPolicy(stdOutByte []byte, ms *managerService, vmi qemu.VMInfo) ([]byte, error) {
+	attestationPolicy := attestation.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &attestation.PcrConfig{}}
+
+	if err := vtpm.ReadPolicyFromByte(stdOutByte, &attestationPolicy); err != nil {
 		return nil, err
 	}
 
+	var stderrBuffer bytes.Buffer
 	var measurement []byte
+	var err error
 	switch {
-	case vmi.Config.EnableSEV:
-		measurement, err = guest.CalcLaunchDigest(guest.SEV, vmi.Config.SMPCount, uint64(cpuid.CpuSigs[ms.qemuCfg.CPU]), vmi.Config.OVMFCodeConfig.File, vmi.Config.KernelFile, vmi.Config.RootFsFile, strconv.Quote(qemu.KernelCommandLine), defGuestFeatures, "", vmmtypes.QEMU, false, "", 0)
-		if err != nil {
-			return nil, err
-		}
 	case vmi.Config.EnableSEVSNP:
 		stderr := bufio.NewWriter(&stderrBuffer)
 		options := cmdconfig.IgvmMeasureOptions
@@ -110,8 +153,8 @@ func (ms *managerService) FetchAttestationPolicy(_ context.Context, computationI
 		attestationPolicy.Config.Policy.Measurement = measurement
 	}
 
-	if vmi.Config.SevConfig.EnableHostData {
-		hostData, err := base64.StdEncoding.DecodeString(vmi.Config.SevConfig.HostData)
+	if vmi.Config.SEVSNPConfig.EnableHostData {
+		hostData, err := base64.StdEncoding.DecodeString(vmi.Config.SEVSNPConfig.HostData)
 		if err != nil {
 			return nil, err
 		}
@@ -120,7 +163,7 @@ func (ms *managerService) FetchAttestationPolicy(_ context.Context, computationI
 
 	attestationPolicy.Config.Policy.MinimumLaunchTcb = vmi.LaunchTCB
 
-	f, err := json.MarshalIndent(attestationPolicy, "", " ")
+	f, err := vtpm.ConvertPolicyToJSON(&attestationPolicy)
 	if err != nil {
 		return nil, err
 	}

manager/attestation_policy_test.go

@@ -47,28 +47,24 @@ func TestFetchAttestationPolicy(t *testing.T) {
 	testCases := []struct {
 		name           string
 		computationId  string
-		vmConfig       interface{}
+		vmConfig       any
 		binaryBehavior string
 		expectedError  string
-		expectedResult map[string]interface{}
+		expectedResult map[string]any
 	}{
 		{
-			name:           "Valid SEV configuration",
-			computationId:  "sev-computation",
+			name:           "Valid SEV-SNP configuration",
+			computationId:  "sev-snp-computation",
 			binaryBehavior: "success",
 			vmConfig: qemu.VMInfo{
 				Config: qemu.Config{
-					EnableSEV:    true,
-					EnableSEVSNP: false,
+					EnableSEVSNP: true,
 					SMPCount:     2,
 					CPU:          "EPYC",
-					OVMFCodeConfig: qemu.OVMFCodeConfig{
-						File: "/path/to/OVMF_CODE.fd",
-					},
 				},
 				LaunchTCB: 0,
 			},
-			expectedError: "open /path/to/OVMF_CODE.fd: no such file or directory",
+			expectedError: "pathToBinary cannot be empty",
 		},
 		{
 			name:           "Invalid computation ID",
@@ -90,7 +86,7 @@ func TestFetchAttestationPolicy(t *testing.T) {
 			binaryBehavior: "fail",
 			vmConfig: qemu.VMInfo{
 				Config: qemu.Config{
-					EnableSEV: true,
+					EnableSEVSNP: true,
 				},
 				LaunchTCB: 0,
 			},
@@ -102,7 +98,7 @@ func TestFetchAttestationPolicy(t *testing.T) {
 			binaryBehavior: "no_json",
 			vmConfig: qemu.VMInfo{
 				Config: qemu.Config{
-					EnableSEV: true,
+					EnableSEVSNP: true,
 				},
 				LaunchTCB: 0,
 			},
@@ -140,7 +136,7 @@ func TestFetchAttestationPolicy(t *testing.T) {
 				assert.NoError(t, err)
 				assert.NotNil(t, result)
 
-				var attestationPolicy map[string]interface{}
+				var attestationPolicy map[string]any
 				err = json.Unmarshal(result, &attestationPolicy)
 				assert.NoError(t, err)
 

manager/manager.pb.go

@@ -3,7 +3,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.5
+// 	protoc-gen-go v1.36.8
 // 	protoc        v5.29.0
 // source: manager/manager.proto
 
@@ -34,6 +34,7 @@ type CreateReq struct {
 	AgentCvmServerUrl    string                 `protobuf:"bytes,5,opt,name=agent_cvm_server_url,json=agentCvmServerUrl,proto3" json:"agent_cvm_server_url,omitempty"`
 	AgentCvmCaUrl        string                 `protobuf:"bytes,6,opt,name=agent_cvm_ca_url,json=agentCvmCaUrl,proto3" json:"agent_cvm_ca_url,omitempty"`
 	Ttl                  string                 `protobuf:"bytes,7,opt,name=ttl,proto3" json:"ttl,omitempty"`
+	AgentCertsToken      string                 `protobuf:"bytes,8,opt,name=agent_certs_token,json=agentCertsToken,proto3" json:"agent_certs_token,omitempty"`
 	unknownFields        protoimpl.UnknownFields
 	sizeCache            protoimpl.SizeCache
 }
@@ -117,6 +118,13 @@ func (x *CreateReq) GetTtl() string {
 	return ""
 }
 
+func (x *CreateReq) GetAgentCertsToken() string {
+	if x != nil {
+		return x.AgentCertsToken
+	}
+	return ""
+}
+
 type CreateRes struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	ForwardedPort string                 `protobuf:"bytes,1,opt,name=forwarded_port,json=forwardedPort,proto3" json:"forwarded_port,omitempty"`
@@ -439,77 +447,46 @@ func (x *CVMInfoReq) GetId() string {
 
 var File_manager_manager_proto protoreflect.FileDescriptor
 
-var file_manager_manager_proto_rawDesc = string([]byte{
-	0x0a, 0x15, 0x6d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x72, 0x2f, 0x6d, 0x61, 0x6e, 0x61, 0x67, 0x65,
-	0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x07, 0x6d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x72,
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-})
+const file_manager_manager_proto_rawDesc = "" +
+	"\n" +
+	"\x15manager/manager.proto\x12\amanager\x1a\x1bgoogle/protobuf/empty.proto\"\xe7\x02\n" +
+	"\tCreateReq\x12&\n" +
+	"\x0fagent_log_level\x18\x01 \x01(\tR\ragentLogLevel\x126\n" +
+	"\x18agent_cvm_server_ca_cert\x18\x02 \x01(\fR\x14agentCvmServerCaCert\x12/\n" +
+	"\x14agent_cvm_client_key\x18\x03 \x01(\fR\x11agentCvmClientKey\x121\n" +
+	"\x15agent_cvm_client_cert\x18\x04 \x01(\fR\x12agentCvmClientCert\x12/\n" +
+	"\x14agent_cvm_server_url\x18\x05 \x01(\tR\x11agentCvmServerUrl\x12'\n" +
+	"\x10agent_cvm_ca_url\x18\x06 \x01(\tR\ragentCvmCaUrl\x12\x10\n" +
+	"\x03ttl\x18\a \x01(\tR\x03ttl\x12*\n" +
+	"\x11agent_certs_token\x18\b \x01(\tR\x0fagentCertsToken\"I\n" +
+	"\tCreateRes\x12%\n" +
+	"\x0eforwarded_port\x18\x01 \x01(\tR\rforwardedPort\x12\x15\n" +
+	"\x06cvm_id\x18\x02 \x01(\tR\x05cvmId\"\"\n" +
+	"\tRemoveReq\x12\x15\n" +
+	"\x06cvm_id\x18\x01 \x01(\tR\x05cvmId\":\n" +
+	"\x14AttestationPolicyRes\x12\x12\n" +
+	"\x04info\x18\x01 \x01(\fR\x04info\x12\x0e\n" +
+	"\x02id\x18\x02 \x01(\tR\x02id\"\xb3\x01\n" +
+	"\n" +
+	"CVMInfoRes\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\tR\x02id\x12!\n" +
+	"\fovmf_version\x18\x02 \x01(\tR\vovmfVersion\x12\x17\n" +
+	"\acpu_num\x18\x03 \x01(\x05R\x06cpuNum\x12\x19\n" +
+	"\bcpu_type\x18\x04 \x01(\tR\acpuType\x12\x1d\n" +
+	"\n" +
+	"kernel_cmd\x18\x05 \x01(\tR\tkernelCmd\x12\x1f\n" +
+	"\veos_version\x18\x06 \x01(\tR\n" +
+	"eosVersion\"&\n" +
+	"\x14AttestationPolicyReq\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\tR\x02id\"\x1c\n" +
+	"\n" +
+	"CVMInfoReq\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\tR\x02id2\x8c\x02\n" +
+	"\x0eManagerService\x124\n" +
+	"\bCreateVm\x12\x12.manager.CreateReq\x1a\x12.manager.CreateRes\"\x00\x128\n" +
+	"\bRemoveVm\x12\x12.manager.RemoveReq\x1a\x16.google.protobuf.Empty\"\x00\x125\n" +
+	"\aCVMInfo\x12\x13.manager.CVMInfoReq\x1a\x13.manager.CVMInfoRes\"\x00\x12S\n" +
+	"\x11AttestationPolicy\x12\x1d.manager.AttestationPolicyReq\x1a\x1d.manager.AttestationPolicyRes\"\x00B\vZ\t./managerb\x06proto3"
 
 var (
 	file_manager_manager_proto_rawDescOnce sync.Once

manager/manager.proto

@@ -24,6 +24,7 @@ message CreateReq{
   string agent_cvm_server_url = 5;
   string agent_cvm_ca_url = 6;
   string ttl = 7;
+  string agent_certs_token = 8;
 }
 
 message CreateRes{