Update README.md

.github/dependabot.yaml

@@ -16,3 +16,7 @@ updates:
     schedule:
       interval: "weekly"
       day: "monday"
+    groups:
+      go-dependency:
+        patterns:
+          - "*"

.github/workflows/checkproto.yaml

@@ -9,7 +9,6 @@ on:
       - "pkg/manager/*.pb.go"
       - "agent/agent.proto"
       - "agent/*.pb.go"
-
   pull_request:
     branches:
       - main
@@ -34,8 +33,8 @@ jobs:
 
       - name: Set up protoc
         run: |
-          PROTOC_VERSION=29.0
-          PROTOC_GEN_VERSION=v1.36.5
+          PROTOC_VERSION=28.1
+          PROTOC_GEN_VERSION=v1.34.2
           PROTOC_GRPC_VERSION=v1.5.1
 
           # Download and install protoc
@@ -56,7 +55,7 @@ jobs:
       - name: Set up Cocos-AI
         run: |
           # Rename .pb.go files to .pb.go.tmp to prevent conflicts
-          for p in $(ls manager/*.pb.go); do
+          for p in $(ls pkg/manager/*.pb.go); do
             mv $p $p.tmp
           done
 
@@ -68,7 +67,7 @@ jobs:
           make protoc
 
           # Compare generated Go files with the original ones
-          for p in $(ls manager/*.pb.go); do
+          for p in $(ls pkg/manager/*.pb.go); do
             if ! cmp -s $p $p.tmp; then
               echo "Proto file and generated Go file $p are out of sync!"
               exit 1

.github/workflows/hal.yml

@@ -1,9 +1,9 @@
-name: Build and Release Hal
+name: Build and Release
 
 on:
   push:
     tags:
-      - "*"
+      - '*'
 
 jobs:
   build:
@@ -32,8 +32,8 @@ jobs:
         with:
           root-reserve-mb: 35000
           swap-size-mb: 1024
-          remove-dotnet: "true"
-          remove-android: "true"
+          remove-dotnet: 'true'
+          remove-android: 'true'
       - name: Check free space
         run: |
           echo "Free space:"
@@ -48,33 +48,26 @@ jobs:
       - name: Checkout cocos
         uses: actions/checkout@v4
         with:
-          repository: "ultravioletrs/cocos"
+          repository: 'ultravioletrs/cocos'
           path: cocos
 
       - name: Checkout buildroot
         uses: actions/checkout@v4
         with:
-          repository: "buildroot/buildroot"
+          repository: 'buildroot/buildroot'
           path: buildroot
-          ref: 2025.05-rc1
+          ref: 2024.11-rc2
 
-      - name: Build hal
+      - name: Build
         run: |
           cd buildroot
           make BR2_EXTERNAL=../cocos/hal/linux cocos_defconfig
           make
 
-      - name: Build cocos
-        run: |
-          cd cocos
-          make
-
       - name: Release
         uses: softprops/action-gh-release@v2
         with:
           files: |
             buildroot/output/images/bzImage
             buildroot/output/images/rootfs.cpio.gz
-            cocos/build/cocos-agent  
-            cocos/build/cocos-cli  
-            cocos/build/cocos-manager
+

.github/workflows/main.yaml

@@ -22,11 +22,10 @@ jobs:
           go-version: 1.23.x
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v7
+        uses: golangci/golangci-lint-action@v6
         with:
-          version: v2.0.2
+          version: v1.60
 
-        
       - name: Build
         run: |
           make

.golangci.yaml

@@ -1,100 +1,80 @@
-version: "2"
+run:
+  timeout: 3m
+
+issues:
+  max-issues-per-linter: 10
+  max-same-issues: 10
+
+linters-settings:
+  importas:
+    no-unaliased: true
+    no-extra-aliases: false
+    alias:
+      - pkg: github.com/absmach/magistrala/logger
+        alias: mglog
+
+  gocritic:
+    enabled-checks:
+      - dupImport
+      - importShadow
+      - httpNoBody
+      - paramTypeCombine
+      - emptyStringTest
+      - builtinShadow
+      - exposedSyncMutex
+    disabled-checks:
+      - appendAssign
+    enabled-tags:
+      - diagnostic
+    disabled-tags:
+      - performance
+      - style
+      - experimental
+      - opinionated
+  stylecheck:
+    checks: ["-ST1000", "-ST1003", "-ST1020", "-ST1021", "-ST1022"]
+  goheader:
+    template: |-
+      Copyright (c) Ultraviolet
+      SPDX-License-Identifier: Apache-2.0
+
 linters:
-  default: none
+  disable-all: true
   enable:
+    - importas
+    - gocritic
+    - gosimple
+    - errcheck
+    - govet
+    - unused
+    - goconst
+    - godot
+    - godox
+    - ineffassign
+    - misspell
+    - stylecheck
+    - whitespace
+    - gci
+    - gofmt
+    - goimports
+    - loggercheck
+    - goheader
     - asasalint
     - asciicheck
     - bidichk
     - contextcheck
-    - copyloopvar
     - decorder
     - dogsled
-    - dupword
-    - errcheck
     - errchkjson
     - errname
+    - execinquery
+    - copyloopvar
     - ginkgolinter
     - gocheckcompilerdirectives
-    - goconst
-    - gocritic
-    - godot
-    - godox
-    - goheader
+    - gofumpt
     - goprintffuncname
-    - govet
     - importas
-    - ineffassign
-    - loggercheck
     - makezero
     - mirror
-    - misspell
     - nakedret
-    - staticcheck
-    - unused
-    - whitespace
-  settings:
-    gocritic:
-      enabled-checks:
-        - dupImport
-        - importShadow
-        - httpNoBody
-        - paramTypeCombine
-        - emptyStringTest
-        - builtinShadow
-        - exposedSyncMutex
-      disabled-checks:
-        - appendAssign
-      enabled-tags:
-        - diagnostic
-      disabled-tags:
-        - performance
-        - style
-        - experimental
-        - opinionated
-    goheader:
-      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
-        - -ST1003
-        - -ST1020
-        - -ST1021
-        - -ST1022
-  exclusions:
-    generated: lax
-    presets:
-      - comments
-      - common-false-positives
-      - legacy
-      - std-error-handling
-    rules:
-      - linters:
-          - makezero
-        text: with non-zero initialized length
-    paths:
-      - third_party$
-      - builtin$
-      - examples$
-issues:
-  max-issues-per-linter: 10
-  max-same-issues: 10
-formatters:
-  enable:
-    - gci
-    - gofmt
-    - gofumpt
-    - goimports
-  exclusions:
-    generated: lax
-    paths:
-      - third_party$
-      - builtin$
-      - examples$
+    - dupword

Makefile

@@ -12,7 +12,6 @@ CONFIG_DIR ?= /etc/cocos
 SERVICE_NAME ?= cocos-manager
 SERVICE_DIR ?= /etc/systemd/system
 SERVICE_FILE = init/systemd/$(SERVICE_NAME).service
-IGVM_BUILD_SCRIPT := ./scripts/igvmmeasure/igvm.sh
 
 define compile_service
 	CGO_ENABLED=$(CGO_ENABLED) GOOS=$(GOOS) GOARCH=$(GOARCH) GOARM=$(GOARM) \
@@ -28,9 +27,8 @@ endef
 
 all: $(SERVICES)
 
-$(SERVICES): 
+$(SERVICES):
 	$(call compile_service,$@)
-	@if [ "$@" = "cli" ] || [ "$@" = "manager" ]; then $(MAKE) build-igvm; fi
 
 $(ATTESTATION_POLICY):
 	$(MAKE) -C ./scripts/attestation_policy
@@ -39,7 +37,6 @@ protoc:
 	protoc -I. --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative agent/agent.proto
 	protoc -I. --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative manager/manager.proto
 	protoc -I. --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative agent/events/events.proto
-	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
@@ -63,7 +60,3 @@ stop:
 install_service:
 	sudo install -m 644 $(SERVICE_FILE) $(SERVICE_DIR)/$(SERVICE_NAME).service
 	sudo systemctl daemon-reload
-
-build-igvm:
-	@echo "Running build script for igvmmeasure..."
-	@$(IGVM_BUILD_SCRIPT)

README.md

@@ -76,5 +76,3 @@ Cocos AI is published under the permissive open-source [Apache-2.0](LICENSE) lic
 - [Official Releases](https://github.com/ultravioletrs/cocos/releases)
 - [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.

agent/README.md

@@ -6,16 +6,16 @@ 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) | info                           |
+| AGENT_GRPC_HOST               | Agent service gRPC host                                | ""                             |
+| AGENT_GRPC_PORT               | Agent service gRPC port                                | 7002                           |
+| AGENT_GRPC_SERVER_CERT        | Path to gRPC server certificate in pem format          | ""                             |
+| AGENT_GRPC_SERVER_KEY         | Path to gRPC server key in pem format                  | ""                             |
+| AGENT_GRPC_SERVER_CA_CERTS    | Path to gRPC server CA certificate                     | ""                             |
+| AGENT_GRPC_CLIENT_CA_CERTS    | Path to gRPC client CA certificate                     | ""                             |
+
 
 ## Deployment
 

agent/agent.pb.go

@@ -3,8 +3,8 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.5
-// 	protoc        v5.29.0
+// 	protoc-gen-go v1.34.2
+// 	protoc        v5.28.1
 // source: agent/agent.proto
 
 package agent
@@ -14,7 +14,6 @@ import (
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
-	unsafe "unsafe"
 )
 
 const (
@@ -25,18 +24,21 @@ const (
 )
 
 type AlgoRequest struct {
-	state         protoimpl.MessageState `protogen:"open.v1"`
-	Algorithm     []byte                 `protobuf:"bytes,1,opt,name=algorithm,proto3" json:"algorithm,omitempty"`
-	Requirements  []byte                 `protobuf:"bytes,2,opt,name=requirements,proto3" json:"requirements,omitempty"`
-	unknownFields protoimpl.UnknownFields
+	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Algorithm    []byte `protobuf:"bytes,1,opt,name=algorithm,proto3" json:"algorithm,omitempty"`
+	Requirements []byte `protobuf:"bytes,2,opt,name=requirements,proto3" json:"requirements,omitempty"`
 }
 
 func (x *AlgoRequest) Reset() {
 	*x = AlgoRequest{}
-	mi := &file_agent_agent_proto_msgTypes[0]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_agent_agent_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }
 
 func (x *AlgoRequest) String() string {
@@ -47,7 +49,7 @@ func (*AlgoRequest) ProtoMessage() {}
 
 func (x *AlgoRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_agent_agent_proto_msgTypes[0]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -77,16 +79,18 @@ func (x *AlgoRequest) GetRequirements() []byte {
 }
 
 type AlgoResponse struct {
-	state         protoimpl.MessageState `protogen:"open.v1"`
-	unknownFields protoimpl.UnknownFields
+	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
 }
 
 func (x *AlgoResponse) Reset() {
 	*x = AlgoResponse{}
-	mi := &file_agent_agent_proto_msgTypes[1]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_agent_agent_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }
 
 func (x *AlgoResponse) String() string {
@@ -97,7 +101,7 @@ func (*AlgoResponse) ProtoMessage() {}
 
 func (x *AlgoResponse) ProtoReflect() protoreflect.Message {
 	mi := &file_agent_agent_proto_msgTypes[1]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -113,18 +117,21 @@ func (*AlgoResponse) Descriptor() ([]byte, []int) {
 }
 
 type DataRequest struct {
-	state         protoimpl.MessageState `protogen:"open.v1"`
-	Dataset       []byte                 `protobuf:"bytes,1,opt,name=dataset,proto3" json:"dataset,omitempty"`
-	Filename      string                 `protobuf:"bytes,2,opt,name=filename,proto3" json:"filename,omitempty"`
-	unknownFields protoimpl.UnknownFields
+	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Dataset  []byte `protobuf:"bytes,1,opt,name=dataset,proto3" json:"dataset,omitempty"`
+	Filename string `protobuf:"bytes,2,opt,name=filename,proto3" json:"filename,omitempty"`
 }
 
 func (x *DataRequest) Reset() {
 	*x = DataRequest{}
-	mi := &file_agent_agent_proto_msgTypes[2]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_agent_agent_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }
 
 func (x *DataRequest) String() string {
@@ -135,7 +142,7 @@ func (*DataRequest) ProtoMessage() {}
 
 func (x *DataRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_agent_agent_proto_msgTypes[2]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -165,16 +172,18 @@ func (x *DataRequest) GetFilename() string {
 }
 
 type DataResponse struct {
-	state         protoimpl.MessageState `protogen:"open.v1"`
-	unknownFields protoimpl.UnknownFields
+	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
 }
 
 func (x *DataResponse) Reset() {
 	*x = DataResponse{}
-	mi := &file_agent_agent_proto_msgTypes[3]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_agent_agent_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }
 
 func (x *DataResponse) String() string {
@@ -185,7 +194,7 @@ func (*DataResponse) ProtoMessage() {}
 
 func (x *DataResponse) ProtoReflect() protoreflect.Message {
 	mi := &file_agent_agent_proto_msgTypes[3]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -201,16 +210,18 @@ func (*DataResponse) Descriptor() ([]byte, []int) {
 }
 
 type ResultRequest struct {
-	state         protoimpl.MessageState `protogen:"open.v1"`
-	unknownFields protoimpl.UnknownFields
+	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
 }
 
 func (x *ResultRequest) Reset() {
 	*x = ResultRequest{}
-	mi := &file_agent_agent_proto_msgTypes[4]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_agent_agent_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }
 
 func (x *ResultRequest) String() string {
@@ -221,7 +232,7 @@ func (*ResultRequest) ProtoMessage() {}
 
 func (x *ResultRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_agent_agent_proto_msgTypes[4]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -237,17 +248,20 @@ func (*ResultRequest) Descriptor() ([]byte, []int) {
 }
 
 type ResultResponse struct {
-	state         protoimpl.MessageState `protogen:"open.v1"`
-	File          []byte                 `protobuf:"bytes,1,opt,name=file,proto3" json:"file,omitempty"`
-	unknownFields protoimpl.UnknownFields
+	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	File []byte `protobuf:"bytes,1,opt,name=file,proto3" json:"file,omitempty"`
 }
 
 func (x *ResultResponse) Reset() {
 	*x = ResultResponse{}
-	mi := &file_agent_agent_proto_msgTypes[5]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_agent_agent_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }
 
 func (x *ResultResponse) String() string {
@@ -258,7 +272,7 @@ func (*ResultResponse) ProtoMessage() {}
 
 func (x *ResultResponse) ProtoReflect() protoreflect.Message {
 	mi := &file_agent_agent_proto_msgTypes[5]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -281,19 +295,20 @@ func (x *ResultResponse) GetFile() []byte {
 }
 
 type AttestationRequest struct {
-	state         protoimpl.MessageState `protogen:"open.v1"`
-	TeeNonce      []byte                 `protobuf:"bytes,1,opt,name=teeNonce,proto3" json:"teeNonce,omitempty"`   // Should be less or equal 64 bytes.
-	VtpmNonce     []byte                 `protobuf:"bytes,2,opt,name=vtpmNonce,proto3" json:"vtpmNonce,omitempty"` // Should be less or equal 32 bytes.
-	Type          int32                  `protobuf:"varint,3,opt,name=type,proto3" json:"type,omitempty"`
-	unknownFields protoimpl.UnknownFields
+	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ReportData []byte `protobuf:"bytes,1,opt,name=report_data,json=reportData,proto3" json:"report_data,omitempty"` // Should be of length 64.
 }
 
 func (x *AttestationRequest) Reset() {
 	*x = AttestationRequest{}
-	mi := &file_agent_agent_proto_msgTypes[6]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_agent_agent_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }
 
 func (x *AttestationRequest) String() string {
@@ -304,7 +319,7 @@ func (*AttestationRequest) ProtoMessage() {}
 
 func (x *AttestationRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_agent_agent_proto_msgTypes[6]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -319,39 +334,28 @@ func (*AttestationRequest) Descriptor() ([]byte, []int) {
 	return file_agent_agent_proto_rawDescGZIP(), []int{6}
 }
 
-func (x *AttestationRequest) GetTeeNonce() []byte {
+func (x *AttestationRequest) GetReportData() []byte {
 	if x != nil {
-		return x.TeeNonce
+		return x.ReportData
 	}
 	return nil
 }
 
-func (x *AttestationRequest) GetVtpmNonce() []byte {
-	if x != nil {
-		return x.VtpmNonce
-	}
-	return nil
-}
-
-func (x *AttestationRequest) GetType() int32 {
-	if x != nil {
-		return x.Type
-	}
-	return 0
-}
-
 type AttestationResponse struct {
-	state         protoimpl.MessageState `protogen:"open.v1"`
-	File          []byte                 `protobuf:"bytes,1,opt,name=file,proto3" json:"file,omitempty"`
-	unknownFields protoimpl.UnknownFields
+	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	File []byte `protobuf:"bytes,1,opt,name=file,proto3" json:"file,omitempty"`
 }
 
 func (x *AttestationResponse) Reset() {
 	*x = AttestationResponse{}
-	mi := &file_agent_agent_proto_msgTypes[7]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_agent_agent_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }
 
 func (x *AttestationResponse) String() string {
@@ -362,7 +366,7 @@ func (*AttestationResponse) ProtoMessage() {}
 
 func (x *AttestationResponse) ProtoReflect() protoreflect.Message {
 	mi := &file_agent_agent_proto_msgTypes[7]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -384,193 +388,9 @@ 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 AttestationResultRequest 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 *AttestationResultRequest) Reset() {
-	*x = AttestationResultRequest{}
-	mi := &file_agent_agent_proto_msgTypes[10]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *AttestationResultRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*AttestationResultRequest) ProtoMessage() {}
-
-func (x *AttestationResultRequest) 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 AttestationResultRequest.ProtoReflect.Descriptor instead.
-func (*AttestationResultRequest) Descriptor() ([]byte, []int) {
-	return file_agent_agent_proto_rawDescGZIP(), []int{10}
-}
-
-func (x *AttestationResultRequest) GetTokenNonce() []byte {
-	if x != nil {
-		return x.TokenNonce
-	}
-	return nil
-}
-
-func (x *AttestationResultRequest) GetType() int32 {
-	if x != nil {
-		return x.Type
-	}
-	return 0
-}
-
-type AttestationResultResponse 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 *AttestationResultResponse) Reset() {
-	*x = AttestationResultResponse{}
-	mi := &file_agent_agent_proto_msgTypes[11]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *AttestationResultResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*AttestationResultResponse) ProtoMessage() {}
-
-func (x *AttestationResultResponse) 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 AttestationResultResponse.ProtoReflect.Descriptor instead.
-func (*AttestationResultResponse) Descriptor() ([]byte, []int) {
-	return file_agent_agent_proto_rawDescGZIP(), []int{11}
-}
-
-func (x *AttestationResultResponse) 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{
+var file_agent_agent_proto_rawDesc = []byte{
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+}
 
 var (
 	file_agent_agent_proto_rawDescOnce sync.Once
-	file_agent_agent_proto_rawDescData []byte
+	file_agent_agent_proto_rawDescData = file_agent_agent_proto_rawDesc
 )
 
 func file_agent_agent_proto_rawDescGZIP() []byte {
 	file_agent_agent_proto_rawDescOnce.Do(func() {
-		file_agent_agent_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_agent_agent_proto_rawDesc), len(file_agent_agent_proto_rawDesc)))
+		file_agent_agent_proto_rawDescData = protoimpl.X.CompressGZIP(file_agent_agent_proto_rawDescData)
 	})
 	return file_agent_agent_proto_rawDescData
 }
 
-var file_agent_agent_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
+var file_agent_agent_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
 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
-	(*IMAMeasurementsRequest)(nil),    // 8: agent.IMAMeasurementsRequest
-	(*IMAMeasurementsResponse)(nil),   // 9: agent.IMAMeasurementsResponse
-	(*AttestationResultRequest)(nil),  // 10: agent.AttestationResultRequest
-	(*AttestationResultResponse)(nil), // 11: agent.AttestationResultResponse
+	(*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
 }
 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
-	8,  // 4: agent.AgentService.IMAMeasurements:input_type -> agent.IMAMeasurementsRequest
-	10, // 5: agent.AgentService.AttestationResult:input_type -> agent.AttestationResultRequest
-	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.AttestationResult:output_type -> agent.AttestationResultResponse
-	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
+	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
 }
 
 func init() { file_agent_agent_proto_init() }
@@ -693,13 +477,111 @@ func file_agent_agent_proto_init() {
 	if File_agent_agent_proto != nil {
 		return
 	}
+	if !protoimpl.UnsafeEnabled {
+		file_agent_agent_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*AlgoRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_agent_agent_proto_msgTypes[1].Exporter = func(v any, i int) any {
+			switch v := v.(*AlgoResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_agent_agent_proto_msgTypes[2].Exporter = func(v any, i int) any {
+			switch v := v.(*DataRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_agent_agent_proto_msgTypes[3].Exporter = func(v any, i int) any {
+			switch v := v.(*DataResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_agent_agent_proto_msgTypes[4].Exporter = func(v any, i int) any {
+			switch v := v.(*ResultRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_agent_agent_proto_msgTypes[5].Exporter = func(v any, i int) any {
+			switch v := v.(*ResultResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_agent_agent_proto_msgTypes[6].Exporter = func(v any, i int) any {
+			switch v := v.(*AttestationRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_agent_agent_proto_msgTypes[7].Exporter = func(v any, i int) any {
+			switch v := v.(*AttestationResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: unsafe.Slice(unsafe.StringData(file_agent_agent_proto_rawDesc), len(file_agent_agent_proto_rawDesc)),
+			RawDescriptor: file_agent_agent_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   12,
+			NumMessages:   8,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
@@ -708,6 +590,7 @@ func file_agent_agent_proto_init() {
 		MessageInfos:      file_agent_agent_proto_msgTypes,
 	}.Build()
 	File_agent_agent_proto = out.File
+	file_agent_agent_proto_rawDesc = nil
 	file_agent_agent_proto_goTypes = nil
 	file_agent_agent_proto_depIdxs = nil
 }

agent/agent.proto

@@ -12,8 +12,6 @@ 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 AttestationResult(AttestationResultRequest) returns (AttestationResultResponse) {}
 }
 
 message AlgoRequest {
@@ -38,27 +36,9 @@ message ResultResponse {
 }
 
 message AttestationRequest {
-  bytes teeNonce = 1; // Should be less or equal 64 bytes.
-  bytes vtpmNonce = 2; // Should be less or equal 32 bytes.
-  int32 type = 3;
+  bytes report_data = 1; // Should be of length 64.
 }
 
 message AttestationResponse {
   bytes file = 1;
 }
-
-message IMAMeasurementsRequest {
-}
-
-message IMAMeasurementsResponse {
-  bytes file = 1;
-  bytes pcr10 = 2;
-}
-
-message AttestationResultRequest{
-  bytes tokenNonce = 1; // Should be less or equal 32 bytes
-  int32 type = 3;
-}
-message AttestationResultResponse{
-  bytes file = 1;
-}

agent/agent_grpc.pb.go

@@ -4,7 +4,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.5.1
-// - protoc             v5.29.0
+// - protoc             v5.28.1
 // source: agent/agent.proto
 
 package agent
@@ -22,12 +22,10 @@ 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_IMAMeasurements_FullMethodName   = "/agent.AgentService/IMAMeasurements"
-	AgentService_AttestationResult_FullMethodName = "/agent.AgentService/AttestationResult"
+	AgentService_Algo_FullMethodName        = "/agent.AgentService/Algo"
+	AgentService_Data_FullMethodName        = "/agent.AgentService/Data"
+	AgentService_Result_FullMethodName      = "/agent.AgentService/Result"
+	AgentService_Attestation_FullMethodName = "/agent.AgentService/Attestation"
 )
 
 // AgentServiceClient is the client API for AgentService service.
@@ -38,8 +36,6 @@ 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)
-	AttestationResult(ctx context.Context, in *AttestationResultRequest, opts ...grpc.CallOption) (*AttestationResultResponse, error)
 }
 
 type agentServiceClient struct {
@@ -114,35 +110,6 @@ 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) AttestationResult(ctx context.Context, in *AttestationResultRequest, opts ...grpc.CallOption) (*AttestationResultResponse, error) {
-	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	out := new(AttestationResultResponse)
-	err := c.cc.Invoke(ctx, AgentService_AttestationResult_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.
@@ -151,8 +118,6 @@ 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
-	AttestationResult(context.Context, *AttestationResultRequest) (*AttestationResultResponse, error)
 	mustEmbedUnimplementedAgentServiceServer()
 }
 
@@ -175,12 +140,6 @@ 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) AttestationResult(context.Context, *AttestationResultRequest) (*AttestationResultResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method AttestationResult not implemented")
-}
 func (UnimplementedAgentServiceServer) mustEmbedUnimplementedAgentServiceServer() {}
 func (UnimplementedAgentServiceServer) testEmbeddedByValue()                      {}
 
@@ -238,47 +197,13 @@ 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_AttestationResult_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(AttestationResultRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(AgentServiceServer).AttestationResult(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: AgentService_AttestationResult_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(AgentServiceServer).AttestationResult(ctx, req.(*AttestationResultRequest))
-	}
-	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{
-		{
-			MethodName: "AttestationResult",
-			Handler:    _AgentService_AttestationResult_Handler,
-		},
-	},
+	Methods:     []grpc.MethodDesc{},
 	Streams: []grpc.StreamDesc{
 		{
 			StreamName:    "Algo",
@@ -300,11 +225,6 @@ 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/algorithm.go

@@ -46,7 +46,4 @@ func AlgorithmArgsFromContext(ctx context.Context) []string {
 type Algorithm interface {
 	// Run executes the algorithm and returns the result.
 	Run() error
-
-	// Stop stops the algorithm.
-	Stop() error
 }

agent/algorithm/binary/binary.go

@@ -20,50 +20,29 @@ type binary struct {
 	stderr   io.Writer
 	stdout   io.Writer
 	args     []string
-	cmd      *exec.Cmd
 }
 
-func NewAlgorithm(logger *slog.Logger, eventsSvc events.Service, algoFile string, args []string, cmpID string) algorithm.Algorithm {
+func NewAlgorithm(logger *slog.Logger, eventsSvc events.Service, algoFile string, args []string) algorithm.Algorithm {
 	return &binary{
 		algoFile: algoFile,
-		stderr:   &logging.Stderr{Logger: logger, EventSvc: eventsSvc, CmpID: cmpID},
+		stderr:   &logging.Stderr{Logger: logger, EventSvc: eventsSvc},
 		stdout:   &logging.Stdout{Logger: logger},
 		args:     args,
 	}
 }
 
 func (b *binary) Run() error {
-	b.cmd = exec.Command(b.algoFile, b.args...)
-	b.cmd.Stderr = b.stderr
-	b.cmd.Stdout = b.stdout
+	cmd := exec.Command(b.algoFile, b.args...)
+	cmd.Stderr = b.stderr
+	cmd.Stdout = b.stdout
 
-	if err := b.cmd.Start(); err != nil {
+	if err := cmd.Start(); err != nil {
 		return fmt.Errorf("error starting algorithm: %v", err)
 	}
 
-	if err := b.cmd.Wait(); err != nil {
+	if err := cmd.Wait(); err != nil {
 		return fmt.Errorf("algorithm execution error: %v", err)
 	}
 
 	return nil
 }
-
-func (b *binary) Stop() error {
-	if b.cmd == nil {
-		return nil
-	}
-
-	if b.cmd.ProcessState != nil && b.cmd.ProcessState.Exited() {
-		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)
-	}
-
-	return nil
-}

agent/algorithm/binary/binary_test.go

@@ -18,7 +18,7 @@ func TestNewAlgorithm(t *testing.T) {
 	algoFile := "/path/to/algo"
 	args := []string{"arg1", "arg2"}
 
-	algo := NewAlgorithm(logger, eventsSvc, algoFile, args, "")
+	algo := NewAlgorithm(logger, eventsSvc, algoFile, args)
 
 	b, ok := algo.(*binary)
 	if !ok {
@@ -74,7 +74,7 @@ func TestBinaryRun(t *testing.T) {
 			logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
 			eventsSvc := new(mocks.Service)
 
-			b := NewAlgorithm(logger, eventsSvc, tt.algoFile, tt.args, "").(*binary)
+			b := NewAlgorithm(logger, eventsSvc, tt.algoFile, tt.args).(*binary)
 
 			var stdout, stderr bytes.Buffer
 			b.stdout = &stdout

agent/algorithm/docker/docker.go

@@ -35,11 +35,11 @@ type docker struct {
 	stdout   io.Writer
 }
 
-func NewAlgorithm(logger *slog.Logger, eventsSvc events.Service, algoFile, cmpID string) algorithm.Algorithm {
+func NewAlgorithm(logger *slog.Logger, eventsSvc events.Service, algoFile string) algorithm.Algorithm {
 	d := &docker{
 		algoFile: algoFile,
 		logger:   logger,
-		stderr:   &logging.Stderr{Logger: logger, EventSvc: eventsSvc, CmpID: cmpID},
+		stderr:   &logging.Stderr{Logger: logger, EventSvc: eventsSvc},
 		stdout:   &logging.Stdout{Logger: logger},
 	}
 
@@ -47,6 +47,8 @@ func NewAlgorithm(logger *slog.Logger, eventsSvc events.Service, algoFile, cmpID
 }
 
 func (d *docker) Run() error {
+	ctx := context.Background()
+
 	// Create a new Docker client.
 	cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
 	if err != nil {
@@ -60,9 +62,8 @@ func (d *docker) Run() error {
 	}
 	defer imageFile.Close()
 
-	ctx := context.Background()
 	// Load the Docker image from the tar file.
-	resp, err := cli.ImageLoad(ctx, imageFile, client.ImageLoadWithQuiet(true))
+	resp, err := cli.ImageLoad(ctx, imageFile, true)
 	if err != nil {
 		return fmt.Errorf("could not load Docker image from file: %v", err)
 	}
@@ -175,8 +176,3 @@ func writeToOut(readCloser io.ReadCloser, ioWriter io.Writer) error {
 
 	return nil
 }
-
-func (d *docker) Stop() error {
-	// To be supported later.
-	return nil
-}

agent/algorithm/docker/docker_test.go

@@ -18,7 +18,7 @@ func TestNewAlgorithm(t *testing.T) {
 	eventsSvc := new(mocks.Service)
 	algoFile := "/path/to/algo.tar"
 
-	algo := NewAlgorithm(logger, eventsSvc, algoFile, "")
+	algo := NewAlgorithm(logger, eventsSvc, algoFile)
 
 	d, ok := algo.(*docker)
 	assert.True(t, ok, "NewAlgorithm should return a *docker")

agent/algorithm/logging/logging.go

@@ -50,7 +50,6 @@ func (s *Stdout) Write(p []byte) (n int, err error) {
 type Stderr struct {
 	Logger   *slog.Logger
 	EventSvc events.Service
-	CmpID    string
 }
 
 // Write implements io.Writer.
@@ -71,7 +70,9 @@ func (s *Stderr) Write(p []byte) (n int, err error) {
 		s.Logger.Error(string(buf[:n]))
 	}
 
-	s.EventSvc.SendEvent(s.CmpID, algorithmRun, warningStatus, json.RawMessage{})
+	if err := s.EventSvc.SendEvent(algorithmRun, warningStatus, json.RawMessage{}); err != nil {
+		return len(p), err
+	}
 
 	return len(p), nil
 }

agent/algorithm/logging/logging_test.go

@@ -73,7 +73,7 @@ func TestStderrWrite(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			mockEventService := mocks.NewService(t)
-			mockEventService.On("SendEvent", mock.Anything, "AlgorithmRun", manager.Warning.String(), mock.Anything).Return(nil)
+			mockEventService.On("SendEvent", "AlgorithmRun", manager.Warning.String(), mock.Anything).Return(nil)
 
 			stderr := &Stderr{Logger: mglog.NewMock(), EventSvc: mockEventService}
 			n, err := stderr.Write([]byte(tt.input))

agent/algorithm/python/python.go

@@ -39,13 +39,12 @@ type python struct {
 	runtime          string
 	requirementsFile string
 	args             []string
-	cmd              *exec.Cmd
 }
 
-func NewAlgorithm(logger *slog.Logger, eventsSvc events.Service, runtime, requirementsFile, algoFile string, args []string, cmpID string) algorithm.Algorithm {
+func NewAlgorithm(logger *slog.Logger, eventsSvc events.Service, runtime, requirementsFile, algoFile string, args []string) algorithm.Algorithm {
 	p := &python{
 		algoFile:         algoFile,
-		stderr:           &logging.Stderr{Logger: logger, EventSvc: eventsSvc, CmpID: cmpID},
+		stderr:           &logging.Stderr{Logger: logger, EventSvc: eventsSvc},
 		stdout:           &logging.Stdout{Logger: logger},
 		requirementsFile: requirementsFile,
 		args:             args,
@@ -86,15 +85,15 @@ func (p *python) Run() error {
 	}
 
 	args := append([]string{p.algoFile}, p.args...)
-	p.cmd = exec.Command(pythonPath, args...)
-	p.cmd.Stderr = p.stderr
-	p.cmd.Stdout = p.stdout
+	cmd := exec.Command(pythonPath, args...)
+	cmd.Stderr = p.stderr
+	cmd.Stdout = p.stdout
 
-	if err := p.cmd.Start(); err != nil {
+	if err := cmd.Start(); err != nil {
 		return fmt.Errorf("error starting algorithm: %v", err)
 	}
 
-	if err := p.cmd.Wait(); err != nil {
+	if err := cmd.Wait(); err != nil {
 		return fmt.Errorf("algorithm execution error: %v", err)
 	}
 
@@ -104,23 +103,3 @@ func (p *python) Run() error {
 
 	return nil
 }
-
-func (p *python) Stop() error {
-	if p.cmd == nil {
-		return nil
-	}
-
-	if p.cmd.ProcessState != nil && p.cmd.ProcessState.Exited() {
-		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)
-	}
-
-	return nil
-}

agent/algorithm/python/python_test.go

@@ -50,7 +50,7 @@ func TestNewAlgorithm(t *testing.T) {
 	algoFile := "algorithm.py"
 	args := []string{"--arg1", "value1"}
 
-	algo := NewAlgorithm(logger, eventsSvc, runtime, requirementsFile, algoFile, args, "")
+	algo := NewAlgorithm(logger, eventsSvc, runtime, requirementsFile, algoFile, args)
 
 	p, ok := algo.(*python)
 	if !ok {

agent/algorithm/wasm/wasm.go

@@ -24,13 +24,12 @@ type wasm struct {
 	stderr   io.Writer
 	stdout   io.Writer
 	args     []string
-	cmd      *exec.Cmd
 }
 
-func NewAlgorithm(logger *slog.Logger, eventsSvc events.Service, args []string, algoFile, cmpID string) algorithm.Algorithm {
+func NewAlgorithm(logger *slog.Logger, eventsSvc events.Service, algoFile string, args []string) algorithm.Algorithm {
 	return &wasm{
 		algoFile: algoFile,
-		stderr:   &logging.Stderr{Logger: logger, EventSvc: eventsSvc, CmpID: cmpID},
+		stderr:   &logging.Stderr{Logger: logger, EventSvc: eventsSvc},
 		stdout:   &logging.Stdout{Logger: logger},
 		args:     args,
 	}
@@ -39,37 +38,17 @@ func NewAlgorithm(logger *slog.Logger, eventsSvc events.Service, args []string,
 func (w *wasm) Run() error {
 	args := append(mapDirOption, w.algoFile)
 	args = append(args, w.args...)
-	w.cmd = exec.Command(wasmRuntime, args...)
-	w.cmd.Stderr = w.stderr
-	w.cmd.Stdout = w.stdout
+	cmd := exec.Command(wasmRuntime, args...)
+	cmd.Stderr = w.stderr
+	cmd.Stdout = w.stdout
 
-	if err := w.cmd.Start(); err != nil {
+	if err := cmd.Start(); err != nil {
 		return fmt.Errorf("error starting algorithm: %v", err)
 	}
 
-	if err := w.cmd.Wait(); err != nil {
+	if err := cmd.Wait(); err != nil {
 		return fmt.Errorf("algorithm execution error: %v", err)
 	}
 
 	return nil
 }
-
-func (w *wasm) Stop() error {
-	if w.cmd == nil {
-		return nil
-	}
-
-	if w.cmd.ProcessState != nil && w.cmd.ProcessState.Exited() {
-		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)
-	}
-
-	return nil
-}

agent/algorithm/wasm/wasm_test.go

@@ -18,7 +18,7 @@ func TestNewAlgorithm(t *testing.T) {
 	algoFile := "test.wasm"
 	args := []string{"arg1", "arg2"}
 
-	algo := NewAlgorithm(logger, eventsSvc, args, algoFile, "")
+	algo := NewAlgorithm(logger, eventsSvc, algoFile, args)
 
 	w, ok := algo.(*wasm)
 	if !ok {
@@ -54,7 +54,7 @@ func TestRunError(t *testing.T) {
 	algoFile := "test.wasm"
 	args := []string{"arg1", "arg2"}
 
-	w := NewAlgorithm(logger, eventsSvc, args, algoFile, "").(*wasm)
+	w := NewAlgorithm(logger, eventsSvc, algoFile, args).(*wasm)
 
 	err := w.Run()
 	if err == nil {

agent/api/grpc/endpoint.go

@@ -7,7 +7,6 @@ import (
 
 	"github.com/go-kit/kit/endpoint"
 	"github.com/ultravioletrs/cocos/agent"
-	"github.com/ultravioletrs/cocos/pkg/attestation"
 )
 
 func algoEndpoint(svc agent.Service) endpoint.Endpoint {
@@ -71,7 +70,7 @@ func attestationEndpoint(svc agent.Service) endpoint.Endpoint {
 		if err := req.validate(); err != nil {
 			return attestationRes{}, err
 		}
-		file, err := svc.Attestation(ctx, req.TeeNonce, req.VtpmNonce, attestation.PlatformType(req.AttType))
+		file, err := svc.Attestation(ctx, req.ReportData)
 		if err != nil {
 			return attestationRes{}, err
 		}
@@ -79,33 +78,3 @@ 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 interface{}) (interface{}, 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 attestationResultEndpoint(svc agent.Service) endpoint.Endpoint {
-	return func(ctx context.Context, request interface{}) (interface{}, error) {
-		req := request.(FetchAttestationResultReq)
-		if err := req.validate(); err != nil {
-			return fetchAttestationResultRes{}, err
-		}
-		file, err := svc.AttestationResult(ctx, req.tokenNonce, attestation.PlatformType(req.AttType))
-		if err != nil {
-			return fetchAttestationResultRes{}, err
-		}
-		return fetchAttestationResultRes{File: file}, nil
-	}
-}

agent/api/grpc/endpoint_test.go

@@ -7,10 +7,8 @@ import (
 	"errors"
 	"testing"
 
-	"github.com/stretchr/testify/mock"
 	"github.com/ultravioletrs/cocos/agent"
 	"github.com/ultravioletrs/cocos/agent/mocks"
-	"github.com/ultravioletrs/cocos/pkg/attestation"
 	"golang.org/x/crypto/sha3"
 )
 
@@ -143,11 +141,11 @@ func TestAttestationEndpoint(t *testing.T) {
 	}{
 		{
 			name: "Success",
-			req:  attestationReq{TeeNonce: sha3.Sum512([]byte("report data")), VtpmNonce: sha3.Sum256([]byte("vtpm nonce")), AttType: attestation.SNP},
+			req:  attestationReq{ReportData: sha3.Sum512([]byte("report data"))},
 		},
 		{
 			name:        "Service Error",
-			req:         attestationReq{TeeNonce: sha3.Sum512([]byte("report data")), VtpmNonce: sha3.Sum256([]byte("vtpm nonce")), AttType: attestation.SNP},
+			req:         attestationReq{ReportData: sha3.Sum512([]byte("report data"))},
 			expectedErr: true,
 		},
 	}
@@ -155,9 +153,9 @@ func TestAttestationEndpoint(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			if tt.name == svcErr {
-				svc.On("Attestation", context.Background(), tt.req.TeeNonce, tt.req.VtpmNonce, tt.req.AttType).Return([]byte{}, errors.New("")).Once()
+				svc.On("Attestation", context.Background(), tt.req.ReportData).Return([]byte{}, errors.New("")).Once()
 			} else {
-				svc.On("Attestation", context.Background(), tt.req.TeeNonce, tt.req.VtpmNonce, tt.req.AttType).Return([]byte{}, nil).Once()
+				svc.On("Attestation", context.Background(), tt.req.ReportData).Return([]byte{}, nil).Once()
 			}
 			endpoint := attestationEndpoint(svc)
 			res, err := endpoint(context.Background(), tt.req)
@@ -173,55 +171,3 @@ func TestAttestationEndpoint(t *testing.T) {
 		})
 	}
 }
-
-func TestAttestationResultEndpoint(t *testing.T) {
-	svc := new(mocks.Service)
-	tests := []struct {
-		name        string
-		req         FetchAttestationResultReq
-		mockErr     error
-		expectedErr bool
-	}{
-		{
-			name:        "Success",
-			req:         FetchAttestationResultReq{tokenNonce: sha3.Sum256([]byte("vtpm nonce")), AttType: attestation.AzureToken},
-			mockErr:     nil,
-			expectedErr: false,
-		},
-		{
-			name:        "Service Error",
-			req:         FetchAttestationResultReq{tokenNonce: sha3.Sum256([]byte("vtpm nonce")), AttType: attestation.AzureToken},
-			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("AttestationResult", mock.Anything, tt.req.tokenNonce, attestation.PlatformType(tt.req.AttType)).
-					Return([]byte("mock file"), tt.mockErr).Once()
-			}
-
-			endpoint := attestationResultEndpoint(svc)
-			res, err := endpoint(context.Background(), tt.req)
-
-			if (err != nil) != tt.expectedErr {
-				t.Errorf("attestationResultEndpoint() error = %v, expectedErr %v", err, tt.expectedErr)
-			}
-
-			if !tt.expectedErr {
-				r, ok := res.(fetchAttestationResultRes)
-				if !ok {
-					t.Errorf("attestationResultEndpoint() 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/requests.go

@@ -4,10 +4,6 @@ package grpc
 
 import (
 	"errors"
-
-	"github.com/ultravioletrs/cocos/pkg/attestation"
-	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
-	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 )
 
 type algoReq struct {
@@ -42,36 +38,9 @@ func (req resultReq) validate() error {
 }
 
 type attestationReq struct {
-	TeeNonce  [quoteprovider.Nonce]byte
-	VtpmNonce [vtpm.Nonce]byte
-	AttType   attestation.PlatformType
-}
-
-type FetchAttestationResultReq struct {
-	tokenNonce [vtpm.Nonce]byte
-	AttType    attestation.PlatformType
+	ReportData [64]byte
 }
 
 func (req attestationReq) validate() error {
-	return validateAttestationType(req.AttType)
-}
-
-func (req FetchAttestationResultReq) validate() error {
-	return validateAttestationType(req.AttType)
-}
-
-func validateAttestationType(attType attestation.PlatformType) error {
-	switch attType {
-	case attestation.SNP, attestation.VTPM, attestation.SNPvTPM, attestation.AzureToken:
-		return nil
-	default:
-		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

@@ -13,12 +13,3 @@ type resultRes struct {
 type attestationRes struct {
 	File []byte
 }
-
-type imaMeasurementsRes struct {
-	File  []byte
-	PCR10 []byte
-}
-
-type fetchAttestationResultRes struct {
-	File []byte `protobuf:"bytes,1,opt,name=AttestationResult,proto3" json:"AttestationResult,omitempty"`
-}

agent/api/grpc/server.go

@@ -8,13 +8,9 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"strconv"
 
 	"github.com/go-kit/kit/transport/grpc"
 	"github.com/ultravioletrs/cocos/agent"
-	"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"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
@@ -25,21 +21,13 @@ const (
 	FileSizeKey = "file-size"
 )
 
-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")
-	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
-	imaMeasurements   grpc.Handler
-	attestationResult grpc.Handler
+	algo        grpc.Handler
+	data        grpc.Handler
+	result      grpc.Handler
+	attestation grpc.Handler
 	agent.UnimplementedAgentServiceServer
 }
 
@@ -66,16 +54,6 @@ func NewServer(svc agent.Service) agent.AgentServiceServer {
 			decodeAttestationRequest,
 			encodeAttestationResponse,
 		),
-		imaMeasurements: grpc.NewServer(
-			imaMeasurementsEndpoint(svc),
-			decodeIMAMeasurementsRequest,
-			encodeIMAMeasurementsResponse,
-		),
-		attestationResult: grpc.NewServer(
-			attestationResultEndpoint(svc),
-			decodeAttestationResultRequest,
-			encodeAttestationResultResponse,
-		),
 	}
 }
 
@@ -118,20 +96,10 @@ func encodeResultResponse(_ context.Context, response interface{}) (interface{},
 
 func decodeAttestationRequest(_ context.Context, grpcReq interface{}) (interface{}, 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 len(req.ReportData) != agent.ReportDataSize {
+		return nil, errors.New("malformed report data, expect 64 bytes")
 	}
-
-	if len(req.VtpmNonce) > vtpm.Nonce {
-		return nil, ErrVTPMNonceLength
-	}
-
-	copy(reportData[:], req.TeeNonce)
-	copy(nonce[:], req.VtpmNonce)
-	return attestationReq{TeeNonce: reportData, VtpmNonce: nonce, AttType: attestation.PlatformType(req.Type)}, nil
+	return attestationReq{ReportData: [agent.ReportDataSize]byte(req.ReportData)}, nil
 }
 
 func encodeAttestationResponse(_ context.Context, response interface{}) (interface{}, error) {
@@ -141,25 +109,6 @@ func encodeAttestationResponse(_ context.Context, response interface{}) (interfa
 	}, nil
 }
 
-func encodeAttestationResultResponse(_ context.Context, response interface{}) (interface{}, error) {
-	res := response.(fetchAttestationResultRes)
-	return &agent.AttestationResultResponse{
-		File: res.File,
-	}, nil
-}
-
-func decodeAttestationResultRequest(_ context.Context, grpcReq interface{}) (interface{}, error) {
-	req := grpcReq.(*agent.AttestationResultRequest)
-	var nonce [vtpm.Nonce]byte
-
-	if len(req.TokenNonce) > vtpm.Nonce {
-		return nil, ErrVTPMNonceLength
-	}
-
-	copy(nonce[:], req.TokenNonce)
-	return FetchAttestationResultReq{tokenNonce: nonce, AttType: attestation.PlatformType(req.Type)}, nil
-}
-
 // Algo implements agent.AgentServiceServer.
 func (s *grpcServer) Algo(stream agent.AgentService_AlgoServer) error {
 	var algoFile, reqFile []byte
@@ -268,70 +217,3 @@ func (s *grpcServer) Attestation(req *agent.AttestationRequest, stream agent.Age
 
 	return nil
 }
-
-func decodeIMAMeasurementsRequest(_ context.Context, grpcReq interface{}) (interface{}, error) {
-	return imaMeasurementsReq{}, nil
-}
-
-func encodeIMAMeasurementsResponse(_ context.Context, response interface{}) (interface{}, error) {
-	res := response.(imaMeasurementsRes)
-	return &agent.IMAMeasurementsResponse{
-		File:  res.File,
-		Pcr10: res.PCR10,
-	}, nil
-}
-
-func (s *grpcServer) IMAMeasurements(req *agent.IMAMeasurementsRequest, stream agent.AgentService_IMAMeasurementsServer) error {
-	_, res, err := s.imaMeasurements.ServeGRPC(stream.Context(), req)
-	if err != nil {
-		return err
-	}
-	rr := res.(*agent.IMAMeasurementsResponse)
-
-	if err := stream.SetHeader(metadata.New(map[string]string{FileSizeKey: strconv.Itoa(len(rr.File))})); err != nil {
-		return status.Error(codes.Internal, err.Error())
-	}
-
-	imaBuff := bytes.NewBuffer(rr.File)
-	pcr10Buff := bytes.NewBuffer(rr.Pcr10)
-
-	imaResBuff := make([]byte, bufferSize)
-	pcr10ResBuff := make([]byte, bufferSize)
-
-	for {
-		nIma, errIma := imaBuff.Read(imaResBuff)
-		if errIma != nil && errIma != io.EOF {
-			return status.Error(codes.Internal, errIma.Error())
-		}
-
-		nPcr, errPcr := pcr10Buff.Read(pcr10ResBuff)
-		if errPcr != nil && errPcr != io.EOF {
-			return status.Error(codes.Internal, errPcr.Error())
-		}
-
-		if nIma == 0 && errIma == io.EOF &&
-			nPcr == 0 && errPcr == io.EOF {
-			break
-		}
-
-		if err := stream.Send(&agent.IMAMeasurementsResponse{File: imaResBuff[:nIma], Pcr10: pcr10ResBuff[:nPcr]}); err != nil {
-			return status.Error(codes.Internal, err.Error())
-		}
-	}
-
-	return nil
-}
-
-func (s *grpcServer) AttestationResult(ctx context.Context, req *agent.AttestationResultRequest) (*agent.AttestationResultResponse, error) {
-	_, res, err := s.attestationResult.ServeGRPC(ctx, req)
-	if err != nil {
-		return nil, err
-	}
-	rr, ok := res.(*agent.AttestationResultResponse)
-
-	if !ok {
-		return nil, status.Error(codes.Internal, "failed to cast response to FetchAttestationResultResponse")
-	}
-
-	return rr, nil
-}

agent/api/grpc/server_test.go

@@ -11,9 +11,6 @@ import (
 	"github.com/stretchr/testify/mock"
 	"github.com/ultravioletrs/cocos/agent"
 	"github.com/ultravioletrs/cocos/agent/mocks"
-	"github.com/ultravioletrs/cocos/pkg/attestation"
-	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
-	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/metadata"
 )
@@ -154,32 +151,15 @@ func TestAttestation(t *testing.T) {
 	mockStream := &MockAgentService_AttestationServer{ctx: context.Background()}
 	mockStream.On("Send", mock.AnythingOfType("*agent.AttestationResponse")).Return(nil)
 
-	reportData := [quoteprovider.Nonce]byte{}
-	vtpmNonce := [vtpm.Nonce]byte{}
-	attestationType := attestation.SNP
-	mockService.On("Attestation", mock.Anything, reportData, vtpmNonce, attestationType).Return([]byte("attestation data"), nil)
+	reportData := [agent.ReportDataSize]byte{}
+	mockService.On("Attestation", mock.Anything, reportData).Return([]byte("attestation data"), nil)
 
-	err := server.Attestation(&agent.AttestationRequest{TeeNonce: reportData[:]}, mockStream)
+	err := server.Attestation(&agent.AttestationRequest{ReportData: reportData[:]}, mockStream)
 	assert.NoError(t, err)
 
 	mockService.AssertExpectations(t)
 }
 
-func TestAttestationResult(t *testing.T) {
-	mockService := new(mocks.Service)
-	server := NewServer(mockService)
-
-	vtpmNonce := [vtpm.Nonce]byte{}
-	attestationType := attestation.SNP
-	mockService.On("AttestationResult", mock.Anything, vtpmNonce, attestationType).Return([]byte("attestation data"), nil)
-
-	resp, err := server.AttestationResult(context.Background(), &agent.AttestationResultRequest{TokenNonce: vtpmNonce[:]})
-	assert.NoError(t, err)
-	assert.Equal(t, []byte("attestation data"), resp.File)
-
-	mockService.AssertExpectations(t)
-}
-
 func TestDecodeAlgoRequest(t *testing.T) {
 	req := &agent.AlgoRequest{Algorithm: []byte("algo"), Requirements: []byte("req")}
 	decoded, err := decodeAlgoRequest(context.Background(), req)
@@ -219,11 +199,11 @@ func TestEncodeResultResponse(t *testing.T) {
 }
 
 func TestDecodeAttestationRequest(t *testing.T) {
-	nonce := [quoteprovider.Nonce]byte{}
-	req := &agent.AttestationRequest{TeeNonce: nonce[:]}
+	reportData := [agent.ReportDataSize]byte{}
+	req := &agent.AttestationRequest{ReportData: reportData[:]}
 	decoded, err := decodeAttestationRequest(context.Background(), req)
 	assert.NoError(t, err)
-	assert.Equal(t, attestationReq{TeeNonce: nonce}, decoded)
+	assert.Equal(t, attestationReq{ReportData: reportData}, decoded)
 }
 
 func TestEncodeAttestationResponse(t *testing.T) {
@@ -231,17 +211,3 @@ func TestEncodeAttestationResponse(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, &agent.AttestationResponse{File: []byte("attestation")}, encoded)
 }
-
-func TestEncodeAttestationResultResponse(t *testing.T) {
-	encoded, err := encodeAttestationResultResponse(context.Background(), fetchAttestationResultRes{File: []byte("attestation")})
-	assert.NoError(t, err)
-	assert.Equal(t, &agent.AttestationResultResponse{File: []byte("attestation")}, encoded)
-}
-
-func TestDecodeAttestationResultRequest(t *testing.T) {
-	nonce := [vtpm.Nonce]byte{}
-	req := &agent.AttestationResultRequest{TokenNonce: nonce[:]}
-	decoded, err := decodeAttestationResultRequest(context.Background(), req)
-	assert.NoError(t, err)
-	assert.Equal(t, FetchAttestationResultReq{tokenNonce: nonce}, decoded)
-}

agent/api/logging.go

@@ -13,9 +13,6 @@ import (
 	"time"
 
 	"github.com/ultravioletrs/cocos/agent"
-	"github.com/ultravioletrs/cocos/pkg/attestation"
-	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
-	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 )
 
 var _ agent.Service = (*loggingMiddleware)(nil)
@@ -30,43 +27,6 @@ func LoggingMiddleware(svc agent.Service, logger *slog.Logger) agent.Service {
 	return &loggingMiddleware{logger, svc}
 }
 
-// State implements agent.Service.
-func (lm *loggingMiddleware) State() (state string) {
-	defer func(begin time.Time) {
-		message := fmt.Sprintf("Method State took %s to complete with state %s", time.Since(begin), state)
-		lm.logger.Debug(message)
-	}(time.Now())
-	return lm.svc.State()
-}
-
-// InitComputation implements agent.Service.
-func (lm *loggingMiddleware) InitComputation(ctx context.Context, cmp agent.Computation) (err error) {
-	defer func(begin time.Time) {
-		message := fmt.Sprintf("Method InitComputation for computation id %s took %s to complete", cmp.ID, time.Since(begin))
-		if err != nil {
-			lm.logger.WithGroup(cmp.ID).Warn(fmt.Sprintf("%s with error: %s", message, err))
-			return
-		}
-		lm.logger.WithGroup(cmp.ID).Info(fmt.Sprintf("%s without errors", message))
-	}(time.Now())
-
-	return lm.svc.InitComputation(ctx, cmp)
-}
-
-// StopComputation implements agent.Service.
-func (lm *loggingMiddleware) StopComputation(ctx context.Context) (err error) {
-	defer func(begin time.Time) {
-		message := fmt.Sprintf("Method StopComputation 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.StopComputation(ctx)
-}
-
 func (lm *loggingMiddleware) Algo(ctx context.Context, algorithm agent.Algorithm) (err error) {
 	defer func(begin time.Time) {
 		message := fmt.Sprintf("Method Algo took %s to complete", time.Since(begin))
@@ -106,7 +66,7 @@ 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 attestation.PlatformType) (response []byte, err error) {
+func (lm *loggingMiddleware) Attestation(ctx context.Context, reportData [agent.ReportDataSize]byte) (response []byte, err error) {
 	defer func(begin time.Time) {
 		message := fmt.Sprintf("Method Attestation took %s to complete", time.Since(begin))
 		if err != nil {
@@ -116,31 +76,5 @@ func (lm *loggingMiddleware) Attestation(ctx context.Context, reportData [quotep
 		lm.logger.Info(fmt.Sprintf("%s without errors", message))
 	}(time.Now())
 
-	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) AttestationResult(ctx context.Context, nonce [vtpm.Nonce]byte, attType attestation.PlatformType) (response []byte, err error) {
-	defer func(begin time.Time) {
-		message := fmt.Sprintf("Method AttestationResult 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.AttestationResult(ctx, nonce, attType)
+	return lm.svc.Attestation(ctx, reportData)
 }

agent/api/metrics.go

@@ -12,9 +12,6 @@ import (
 
 	"github.com/go-kit/kit/metrics"
 	"github.com/ultravioletrs/cocos/agent"
-	"github.com/ultravioletrs/cocos/pkg/attestation"
-	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
-	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 )
 
 var _ agent.Service = (*metricsMiddleware)(nil)
@@ -35,36 +32,6 @@ func MetricsMiddleware(svc agent.Service, counter metrics.Counter, latency metri
 	}
 }
 
-// State implements agent.Service.
-func (ms *metricsMiddleware) State() string {
-	defer func(begin time.Time) {
-		ms.counter.With("method", "state").Add(1)
-		ms.latency.With("method", "state").Observe(time.Since(begin).Seconds())
-	}(time.Now())
-
-	return ms.svc.State()
-}
-
-// InitComputation implements agent.Service.
-func (ms *metricsMiddleware) InitComputation(ctx context.Context, cmp agent.Computation) error {
-	defer func(begin time.Time) {
-		ms.counter.With("method", "init_computation").Add(1)
-		ms.latency.With("method", "init_computation").Observe(time.Since(begin).Seconds())
-	}(time.Now())
-
-	return ms.svc.InitComputation(ctx, cmp)
-}
-
-// StopComputation implements agent.Service.
-func (ms *metricsMiddleware) StopComputation(ctx context.Context) error {
-	defer func(begin time.Time) {
-		ms.counter.With("method", "stop_computation").Add(1)
-		ms.latency.With("method", "stop_computation").Observe(time.Since(begin).Seconds())
-	}(time.Now())
-
-	return ms.svc.StopComputation(ctx)
-}
-
 func (ms *metricsMiddleware) Algo(ctx context.Context, algorithm agent.Algorithm) error {
 	defer func(begin time.Time) {
 		ms.counter.With("method", "algo").Add(1)
@@ -92,29 +59,11 @@ 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 attestation.PlatformType) ([]byte, error) {
+func (ms *metricsMiddleware) Attestation(ctx context.Context, reportData [agent.ReportDataSize]byte) ([]byte, error) {
 	defer func(begin time.Time) {
 		ms.counter.With("method", "attestation").Add(1)
 		ms.latency.With("method", "attestation").Observe(time.Since(begin).Seconds())
 	}(time.Now())
 
-	return ms.svc.Attestation(ctx, reportData, nonce, attType)
-}
-
-func (ms *metricsMiddleware) AttestationResult(ctx context.Context, nonce [vtpm.Nonce]byte, attType attestation.PlatformType) ([]byte, error) {
-	defer func(begin time.Time) {
-		ms.counter.With("method", "attestation_result").Add(1)
-		ms.latency.With("method", "attestation_result").Observe(time.Since(begin).Seconds())
-	}(time.Now())
-
-	return ms.svc.AttestationResult(ctx, nonce, attType)
-}
-
-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)
+	return ms.svc.Attestation(ctx, reportData)
 }

agent/auth/mocks/auth.go

@@ -1,7 +1,7 @@
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
+// Code generated by mockery v2.43.2. DO NOT EDIT.
 
 package mocks
 

agent/computations.go

@@ -13,6 +13,8 @@ import (
 var _ fmt.Stringer = (*Datasets)(nil)
 
 type AgentConfig struct {
+	LogLevel     string `json:"log_level,omitempty"`
+	Host         string `json:"host,omitempty"`
 	Port         string `json:"port,omitempty"`
 	CertFile     string `json:"cert_file,omitempty"`
 	KeyFile      string `json:"server_key,omitempty"`
@@ -28,6 +30,7 @@ type Computation struct {
 	Datasets        Datasets         `json:"datasets,omitempty"`
 	Algorithm       Algorithm        `json:"algorithm,omitempty"`
 	ResultConsumers []ResultConsumer `json:"result_consumers,omitempty"`
+	AgentConfig     AgentConfig      `json:"agent_config,omitempty"`
 }
 
 type ResultConsumer struct {

agent/computations_test.go

@@ -106,6 +106,8 @@ func TestDecompressToContext(t *testing.T) {
 
 func TestAgentConfigJSON(t *testing.T) {
 	config := AgentConfig{
+		LogLevel:     "info",
+		Host:         "localhost",
 		Port:         "8080",
 		CertFile:     "cert.pem",
 		KeyFile:      "key.pem",

agent/cvms/api/grpc/client.go

@@ -1,360 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-package grpc
-
-import (
-	"context"
-	"log/slog"
-	"sync"
-	"time"
-
-	"github.com/absmach/magistrala/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"
-	"golang.org/x/sync/errgroup"
-	"google.golang.org/protobuf/proto"
-)
-
-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")
-)
-
-type PendingMessage struct {
-	Message *cvms.ClientStreamMessage
-	Time    time.Time
-}
-
-type CVMSClient struct {
-	mu            sync.Mutex
-	stream        cvms.Service_ProcessClient
-	svc           agent.Service
-	messageQueue  chan *cvms.ClientStreamMessage
-	logger        *slog.Logger
-	runReqManager *runRequestManager
-	sp            server.AgentServer
-	storage       storage.Storage
-	reconnectFn   func(context.Context) (pkggrpc.Client, cvms.Service_ProcessClient, error)
-	grpcClient    pkggrpc.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) {
-	store, err := storage.NewFileStorage(storageDir)
-	if err != nil {
-		return nil, err
-	}
-
-	return &CVMSClient{
-		stream:        stream,
-		svc:           svc,
-		messageQueue:  messageQueue,
-		logger:        logger,
-		runReqManager: newRunRequestManager(),
-		sp:            sp,
-		storage:       store,
-		reconnectFn:   reconnectFn,
-		grpcClient:    grpcClient,
-	}, nil
-}
-
-func (client *CVMSClient) Process(ctx context.Context, cancel context.CancelFunc) error {
-	for {
-		err := client.processWithRetry(ctx)
-		if ctx.Err() != nil {
-			return ctx.Err()
-		}
-
-		client.logger.Info("Connection lost, attempting to reconnect...", "error", err)
-		time.Sleep(reconnectInterval)
-
-		grpcClient, stream, err := client.reconnectFn(ctx)
-		if err != nil {
-			client.logger.Error("Failed to reconnect", "error", err)
-			continue
-		}
-
-		client.mu.Lock()
-		client.stream = stream
-		client.grpcClient = grpcClient
-		client.mu.Unlock()
-	}
-}
-
-func (client *CVMSClient) processWithRetry(ctx context.Context) error {
-	eg, ctx := errgroup.WithContext(ctx)
-
-	eg.Go(func() error {
-		return client.handleIncomingMessages(ctx)
-	})
-
-	eg.Go(func() error {
-		return client.handleOutgoingMessages(ctx)
-	})
-
-	return eg.Wait()
-}
-
-func (client *CVMSClient) handleIncomingMessages(ctx context.Context) error {
-	for {
-		select {
-		case <-ctx.Done():
-			return ctx.Err()
-		default:
-			req, err := client.stream.Recv()
-			if err != nil {
-				return err
-			}
-			if err := client.processIncomingMessage(ctx, req); err != nil {
-				return err
-			}
-		}
-	}
-}
-
-func (client *CVMSClient) handleOutgoingMessages(ctx context.Context) error {
-	pendingMsgs, err := client.storage.Load()
-	if err != nil {
-		client.logger.Error("Failed to load pending messages", "error", err)
-	} else {
-		client.sendPendingMessages(pendingMsgs)
-	}
-
-	for {
-		select {
-		case <-ctx.Done():
-			return ctx.Err()
-		case msg := <-client.messageQueue:
-			if err := client.sendStreamMessage(msg); err != nil {
-				if err := client.storage.Add(msg); err != nil {
-					client.logger.Error("Failed to store pending message", "error", err)
-				}
-				client.logger.Error("Failed to send message, stored for retry", "error", err)
-			}
-		}
-	}
-}
-
-func (client *CVMSClient) sendStreamMessage(msg *cvms.ClientStreamMessage) error {
-	client.mu.Lock()
-	defer client.mu.Unlock()
-
-	return client.stream.Send(msg)
-}
-
-func (client *CVMSClient) sendPendingMessages(pending []storage.Message) {
-	for _, pm := range pending {
-		if err := client.sendStreamMessage(pm.Message); err != nil {
-			if err := client.storage.Add(pm.Message); err != nil {
-				client.logger.Error("Failed to store pending message", "error", err)
-			}
-			client.logger.Error("Failed to resend pending message", "error", err)
-		} else {
-			client.logger.Info("Successfully resent pending message")
-		}
-	}
-
-	if err := client.storage.Clear(); err != nil {
-		client.logger.Error("Failed to clear pending messages", "error", err)
-	}
-}
-
-func (client *CVMSClient) processIncomingMessage(ctx context.Context, req *cvms.ServerStreamMessage) error {
-	switch mes := req.Message.(type) {
-	case *cvms.ServerStreamMessage_RunReqChunks:
-		return client.handleRunReqChunks(ctx, mes)
-	case *cvms.ServerStreamMessage_StopComputation:
-		go client.handleStopComputation(ctx, mes)
-	case *cvms.ServerStreamMessage_AgentStateReq:
-		client.handleAgentStateReq(mes)
-	case *cvms.ServerStreamMessage_DisconnectReq:
-		client.logger.Info("Received disconnect request")
-		client.mu.Lock()
-		if err := client.grpcClient.Close(); err != nil {
-			client.logger.Error("Failed to close gRPC client", "error", err)
-		}
-		client.mu.Unlock()
-	default:
-		return errUnknonwMessageType
-	}
-	return nil
-}
-
-func (client *CVMSClient) handleAgentStateReq(mes *cvms.ServerStreamMessage_AgentStateReq) {
-	state := client.svc.State()
-
-	msg := &cvms.ClientStreamMessage_AgentStateRes{
-		AgentStateRes: &cvms.AgentStateRes{
-			State: state,
-			Id:    mes.AgentStateReq.Id,
-		},
-	}
-
-	client.sendMessage(&cvms.ClientStreamMessage{Message: msg})
-}
-
-func (client *CVMSClient) handleRunReqChunks(ctx context.Context, msg *cvms.ServerStreamMessage_RunReqChunks) error {
-	buffer, complete := client.runReqManager.addChunk(msg.RunReqChunks.Id, msg.RunReqChunks.Data, msg.RunReqChunks.IsLast)
-
-	if complete {
-		var runReq cvms.ComputationRunReq
-		if err := proto.Unmarshal(buffer, &runReq); err != nil {
-			return errors.Wrap(err, errCorruptedManifest)
-		}
-
-		go client.executeRun(ctx, &runReq)
-	}
-
-	return nil
-}
-
-func (client *CVMSClient) executeRun(ctx context.Context, runReq *cvms.ComputationRunReq) {
-	ac := agent.Computation{
-		ID:          runReq.Id,
-		Name:        runReq.Name,
-		Description: runReq.Description,
-	}
-
-	if runReq.Algorithm != nil {
-		ac.Algorithm = agent.Algorithm{
-			Hash:    [32]byte(runReq.Algorithm.Hash),
-			UserKey: runReq.Algorithm.UserKey,
-		}
-	}
-
-	for _, ds := range runReq.Datasets {
-		ac.Datasets = append(ac.Datasets, agent.Dataset{
-			Hash:    [32]byte(ds.Hash),
-			UserKey: ds.UserKey,
-		})
-	}
-
-	for _, rc := range runReq.ResultConsumers {
-		ac.ResultConsumers = append(ac.ResultConsumers, agent.ResultConsumer{
-			UserKey: rc.UserKey,
-		})
-	}
-
-	if err := client.svc.InitComputation(ctx, ac); err != nil {
-		client.logger.Warn(err.Error())
-		return
-	}
-
-	client.mu.Lock()
-	defer client.mu.Unlock()
-
-	if runReq.AgentConfig == nil {
-		runReq.AgentConfig = &cvms.AgentConfig{}
-	}
-
-	runRes := &cvms.ClientStreamMessage_RunRes{
-		RunRes: &cvms.RunResponse{
-			ComputationId: runReq.Id,
-		},
-	}
-
-	if err := client.sp.Start(agent.AgentConfig{
-		Port:         runReq.AgentConfig.Port,
-		CertFile:     runReq.AgentConfig.CertFile,
-		KeyFile:      runReq.AgentConfig.KeyFile,
-		ServerCAFile: runReq.AgentConfig.ServerCaFile,
-		ClientCAFile: runReq.AgentConfig.ClientCaFile,
-		AttestedTls:  runReq.AgentConfig.AttestedTls,
-	}, ac); err != nil {
-		client.logger.Warn(err.Error())
-		runRes.RunRes.Error = err.Error()
-	}
-
-	client.sendMessage(&cvms.ClientStreamMessage{Message: runRes})
-}
-
-func (client *CVMSClient) handleStopComputation(ctx context.Context, mes *cvms.ServerStreamMessage_StopComputation) {
-	msg := &cvms.ClientStreamMessage_StopComputationRes{
-		StopComputationRes: &cvms.StopComputationResponse{
-			ComputationId: mes.StopComputation.ComputationId,
-		},
-	}
-	if err := client.svc.StopComputation(ctx); err != nil {
-		msg.StopComputationRes.Message = err.Error()
-	}
-
-	client.mu.Lock()
-	if err := client.sp.Stop(); err != nil {
-		msg.StopComputationRes.Message = err.Error()
-	}
-	client.mu.Unlock()
-
-	client.sendMessage(&cvms.ClientStreamMessage{Message: msg})
-}
-
-func (client *CVMSClient) sendMessage(mes *cvms.ClientStreamMessage) {
-	ctx, cancel := context.WithTimeout(context.Background(), sendTimeout)
-	defer cancel()
-
-	select {
-	case client.messageQueue <- mes:
-	case <-ctx.Done():
-		client.logger.Warn("Failed to send message: timeout exceeded")
-	}
-}
-
-type runRequestManager struct {
-	requests map[string]*runRequest
-	mu       sync.Mutex
-}
-
-type runRequest struct {
-	buffer    []byte
-	lastChunk time.Time
-	timer     *time.Timer
-}
-
-func newRunRequestManager() *runRequestManager {
-	return &runRequestManager{
-		requests: make(map[string]*runRequest),
-	}
-}
-
-func (m *runRequestManager) addChunk(id string, chunk []byte, isLast bool) ([]byte, bool) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-
-	req, exists := m.requests[id]
-	if !exists {
-		req = &runRequest{
-			buffer:    make([]byte, 0),
-			lastChunk: time.Now(),
-			timer:     time.AfterFunc(runReqTimeout, func() { m.timeoutRequest(id) }),
-		}
-		m.requests[id] = req
-	}
-
-	req.buffer = append(req.buffer, chunk...)
-	req.lastChunk = time.Now()
-	req.timer.Reset(runReqTimeout)
-
-	if isLast {
-		delete(m.requests, id)
-		req.timer.Stop()
-		return req.buffer, true
-	}
-
-	return nil, false
-}
-
-func (m *runRequestManager) timeoutRequest(id string) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-
-	delete(m.requests, id)
-	// Log timeout or handle it as needed
-}

agent/cvms/api/grpc/client_test.go

@@ -1,215 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-package grpc
-
-import (
-	"context"
-	"testing"
-	"time"
-
-	mglog "github.com/absmach/magistrala/logger"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/mock"
-	"github.com/ultravioletrs/cocos/agent/cvms"
-	servermocks "github.com/ultravioletrs/cocos/agent/cvms/server/mocks"
-	"github.com/ultravioletrs/cocos/agent/mocks"
-	pkggrpc "github.com/ultravioletrs/cocos/pkg/clients/grpc"
-	clientmocks "github.com/ultravioletrs/cocos/pkg/clients/grpc/mocks"
-	"google.golang.org/grpc"
-	"google.golang.org/protobuf/proto"
-)
-
-type mockStream struct {
-	mock.Mock
-	grpc.ClientStream
-}
-
-func (m *mockStream) Recv() (*cvms.ServerStreamMessage, error) {
-	args := m.Called()
-	return args.Get(0).(*cvms.ServerStreamMessage), args.Error(1)
-}
-
-func (m *mockStream) Send(msg *cvms.ClientStreamMessage) error {
-	args := m.Called(msg)
-	return args.Error(0)
-}
-
-func TestManagerClient_Process(t *testing.T) {
-	tests := []struct {
-		name        string
-		setupMocks  func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer)
-		expectError bool
-		errorMsg    string
-	}{
-		{
-			name: "Stop computation",
-			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer) {
-				mockStream.On("Recv").Return(&cvms.ServerStreamMessage{
-					Message: &cvms.ServerStreamMessage_StopComputation{
-						StopComputation: &cvms.StopComputation{},
-					},
-				}, nil)
-				mockStream.On("Send", mock.Anything).Return(nil)
-				mockSvc.On("StopComputation", mock.Anything).Return(nil)
-				mockServerSvc.On("Stop").Return(nil)
-			},
-			expectError: true,
-			errorMsg:    "context deadline exceeded",
-		},
-		{
-			name: "Run request chunks",
-			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer) {
-				mockStream.On("Recv").Return(&cvms.ServerStreamMessage{
-					Message: &cvms.ServerStreamMessage_RunReqChunks{
-						RunReqChunks: &cvms.RunReqChunks{},
-					},
-				}, nil)
-				mockStream.On("Send", mock.Anything).Return(nil).Once()
-				mockSvc.On("Run", mock.Anything, mock.Anything).Return("", assert.AnError).Once()
-			},
-			expectError: true,
-		},
-		{
-			name: "Receive error",
-			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service, mockServerSvc *servermocks.AgentServer) {
-				mockStream.On("Recv").Return(&cvms.ServerStreamMessage{}, assert.AnError)
-			},
-			expectError: true,
-		},
-	}
-
-	for _, tc := range tests {
-		t.Run(tc.name, func(t *testing.T) {
-			mockStream := new(mockStream)
-			mockSvc := new(mocks.Service)
-			mockServerSvc := new(servermocks.AgentServer)
-			messageQueue := make(chan *cvms.ClientStreamMessage)
-			logger := mglog.NewMock()
-
-			go func() {
-				<-messageQueue
-			}()
-
-			grpcClient := new(clientmocks.Client)
-
-			client, err := NewClient(mockStream, mockSvc, messageQueue, logger, mockServerSvc, t.TempDir(), func(ctx context.Context) (pkggrpc.Client, cvms.Service_ProcessClient, error) { return nil, nil, nil }, grpcClient)
-			assert.NoError(t, err)
-
-			ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
-			defer cancel()
-
-			tc.setupMocks(mockStream, mockSvc, mockServerSvc)
-
-			err = client.Process(ctx, cancel)
-
-			if tc.expectError {
-				assert.Error(t, err)
-				if tc.errorMsg != "" {
-					assert.Contains(t, err.Error(), tc.errorMsg)
-				}
-			} else {
-				assert.NoError(t, err)
-			}
-		})
-	}
-}
-
-func TestManagerClient_handleRunReqChunks(t *testing.T) {
-	mockStream := new(mockStream)
-	mockSvc := new(mocks.Service)
-	mockServerSvc := new(servermocks.AgentServer)
-	messageQueue := make(chan *cvms.ClientStreamMessage, 10)
-	logger := mglog.NewMock()
-	grpcClient := new(clientmocks.Client)
-
-	client, err := NewClient(mockStream, mockSvc, messageQueue, logger, mockServerSvc, t.TempDir(), func(ctx context.Context) (pkggrpc.Client, cvms.Service_ProcessClient, error) { return nil, nil, nil }, grpcClient)
-	assert.NoError(t, err)
-
-	runReq := &cvms.ComputationRunReq{
-		Id: "test-id",
-	}
-	runReqBytes, _ := proto.Marshal(runReq)
-
-	chunk1 := &cvms.ServerStreamMessage_RunReqChunks{
-		RunReqChunks: &cvms.RunReqChunks{
-			Id:     "chunk-1",
-			Data:   runReqBytes[:len(runReqBytes)/2],
-			IsLast: false,
-		},
-	}
-	chunk2 := &cvms.ServerStreamMessage_RunReqChunks{
-		RunReqChunks: &cvms.RunReqChunks{
-			Id:     "chunk-1",
-			Data:   runReqBytes[len(runReqBytes)/2:],
-			IsLast: true,
-		},
-	}
-
-	mockSvc.On("InitComputation", mock.Anything, mock.Anything).Return(nil)
-	mockServerSvc.On("Start", mock.Anything, mock.Anything, mock.Anything).Return(nil)
-
-	err = client.handleRunReqChunks(context.Background(), chunk1)
-	assert.NoError(t, err)
-
-	err = client.handleRunReqChunks(context.Background(), chunk2)
-	assert.NoError(t, err)
-
-	// Wait for the goroutine to finish
-	time.Sleep(50 * time.Millisecond)
-
-	mockSvc.AssertExpectations(t)
-	assert.Len(t, messageQueue, 1)
-
-	msg := <-messageQueue
-	runRes, ok := msg.Message.(*cvms.ClientStreamMessage_RunRes)
-	assert.True(t, ok)
-	assert.Equal(t, "test-id", runRes.RunRes.ComputationId)
-}
-
-func TestManagerClient_handleStopComputation(t *testing.T) {
-	mockStream := new(mockStream)
-	mockSvc := new(mocks.Service)
-	mockServerSvc := new(servermocks.AgentServer)
-	messageQueue := make(chan *cvms.ClientStreamMessage, 10)
-	logger := mglog.NewMock()
-	grpcClient := new(clientmocks.Client)
-
-	client, err := NewClient(mockStream, mockSvc, messageQueue, logger, mockServerSvc, t.TempDir(), func(ctx context.Context) (pkggrpc.Client, cvms.Service_ProcessClient, error) { return nil, nil, nil }, grpcClient)
-	assert.NoError(t, err)
-
-	stopReq := &cvms.ServerStreamMessage_StopComputation{
-		StopComputation: &cvms.StopComputation{
-			ComputationId: "test-comp-id",
-		},
-	}
-
-	mockSvc.On("StopComputation", mock.Anything).Return(nil)
-	mockServerSvc.On("Stop").Return(nil)
-
-	client.handleStopComputation(context.Background(), stopReq)
-
-	// Wait for the goroutine to finish
-	time.Sleep(50 * time.Millisecond)
-
-	mockSvc.AssertExpectations(t)
-	assert.Len(t, messageQueue, 1)
-
-	msg := <-messageQueue
-	stopRes, ok := msg.Message.(*cvms.ClientStreamMessage_StopComputationRes)
-	assert.True(t, ok)
-	assert.Equal(t, "test-comp-id", stopRes.StopComputationRes.ComputationId)
-	assert.Empty(t, stopRes.StopComputationRes.Message)
-}
-
-func TestManagerClient_timeoutRequest(t *testing.T) {
-	rm := newRunRequestManager()
-	rm.requests["test-id"] = &runRequest{
-		timer:     time.NewTimer(100 * time.Millisecond),
-		buffer:    []byte("test-data"),
-		lastChunk: time.Now(),
-	}
-
-	rm.timeoutRequest("test-id")
-
-	assert.Len(t, rm.requests, 0)
-}

agent/cvms/api/grpc/doc.go

@@ -1,5 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-
-// Package grpc contains implementation of kit service gRPC API.
-package grpc

agent/cvms/api/grpc/server.go

@@ -1,133 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-package grpc
-
-import (
-	"bytes"
-	"context"
-	"errors"
-	"io"
-	"time"
-
-	"github.com/ultravioletrs/cocos/agent/cvms"
-	"golang.org/x/sync/errgroup"
-	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/peer"
-	"google.golang.org/protobuf/proto"
-)
-
-var (
-	_                cvms.ServiceServer = (*grpcServer)(nil)
-	ErrUnexpectedMsg                    = errors.New("unknown message type")
-)
-
-const (
-	bufferSize    = 1024 * 1024 // 1 MB
-	runReqTimeout = 30 * time.Second
-)
-
-type SendFunc func(*cvms.ServerStreamMessage) error
-
-type grpcServer struct {
-	cvms.UnimplementedServiceServer
-	incoming chan *cvms.ClientStreamMessage
-	svc      Service
-}
-
-type Service interface {
-	Run(ctx context.Context, ipAddress string, sendMessage SendFunc, authInfo credentials.AuthInfo)
-}
-
-// NewServer returns new AuthServiceServer instance.
-func NewServer(incoming chan *cvms.ClientStreamMessage, svc Service) cvms.ServiceServer {
-	return &grpcServer{
-		incoming: incoming,
-		svc:      svc,
-	}
-}
-
-func (s *grpcServer) Process(stream cvms.Service_ProcessServer) error {
-	client, ok := peer.FromContext(stream.Context())
-	if !ok {
-		return errors.New("failed to get peer info")
-	}
-
-	eg, ctx := errgroup.WithContext(stream.Context())
-
-	eg.Go(func() error {
-		for {
-			select {
-			case <-ctx.Done():
-				return ctx.Err()
-			default:
-				req, err := stream.Recv()
-				if err != nil {
-					return err
-				}
-				s.incoming <- req
-			}
-		}
-	})
-
-	eg.Go(func() error {
-		sendMessage := func(msg *cvms.ServerStreamMessage) error {
-			select {
-			case <-ctx.Done():
-				return ctx.Err()
-			default:
-				switch m := msg.Message.(type) {
-				case *cvms.ServerStreamMessage_RunReq:
-					return s.sendRunReqInChunks(stream, m.RunReq)
-				default:
-					return stream.Send(msg)
-				}
-			}
-		}
-
-		s.svc.Run(ctx, client.Addr.String(), sendMessage, client.AuthInfo)
-		return nil
-	})
-
-	return eg.Wait()
-}
-
-func (s *grpcServer) sendRunReqInChunks(stream cvms.Service_ProcessServer, runReq *cvms.ComputationRunReq) error {
-	data, err := proto.Marshal(runReq)
-	if err != nil {
-		return err
-	}
-
-	dataBuffer := bytes.NewBuffer(data)
-	buf := make([]byte, bufferSize)
-
-	for {
-		n, err := dataBuffer.Read(buf)
-		isLast := false
-
-		if err == io.EOF {
-			isLast = true
-		} else if err != nil {
-			return err
-		}
-
-		chunk := &cvms.ServerStreamMessage{
-			Message: &cvms.ServerStreamMessage_RunReqChunks{
-				RunReqChunks: &cvms.RunReqChunks{
-					Id:     runReq.Id,
-					Data:   buf[:n],
-					IsLast: isLast,
-				},
-			},
-		}
-
-		if err := stream.Send(chunk); err != nil {
-			return err
-		}
-
-		if isLast {
-			break
-		}
-	}
-
-	return nil
-}

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

@@ -1,234 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-
-// Code generated by mockery v2.53.3. DO NOT EDIT.
-
-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"
-)
-
-// Storage is an autogenerated mock type for the Storage type
-type Storage struct {
-	mock.Mock
-}
-
-type Storage_Expecter struct {
-	mock *mock.Mock
-}
-
-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)
-
-	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)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// Storage_Add_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Add'
-type Storage_Add_Call struct {
-	*mock.Call
-}
-
-// Add is a helper method to define mock.On call
-//   - msg *cvms.ClientStreamMessage
-func (_e *Storage_Expecter) Add(msg interface{}) *Storage_Add_Call {
-	return &Storage_Add_Call{Call: _e.mock.On("Add", msg)}
-}
-
-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))
-	})
-	return _c
-}
-
-func (_c *Storage_Add_Call) Return(_a0 error) *Storage_Add_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *Storage_Add_Call) RunAndReturn(run func(*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()
-
-	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()
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// Storage_Clear_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Clear'
-type Storage_Clear_Call struct {
-	*mock.Call
-}
-
-// Clear is a helper method to define mock.On call
-func (_e *Storage_Expecter) Clear() *Storage_Clear_Call {
-	return &Storage_Clear_Call{Call: _e.mock.On("Clear")}
-}
-
-func (_c *Storage_Clear_Call) Run(run func()) *Storage_Clear_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *Storage_Clear_Call) Return(_a0 error) *Storage_Clear_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *Storage_Clear_Call) RunAndReturn(run func() error) *Storage_Clear_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Load provides a mock function with no fields
-func (_m *Storage) Load() ([]storage.Message, error) {
-	ret := _m.Called()
-
-	if len(ret) == 0 {
-		panic("no return value specified for Load")
-	}
-
-	var r0 []storage.Message
-	var r1 error
-	if rf, ok := ret.Get(0).(func() ([]storage.Message, error)); ok {
-		return rf()
-	}
-	if rf, ok := ret.Get(0).(func() []storage.Message); ok {
-		r0 = rf()
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).([]storage.Message)
-		}
-	}
-
-	if rf, ok := ret.Get(1).(func() error); ok {
-		r1 = rf()
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// Storage_Load_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Load'
-type Storage_Load_Call struct {
-	*mock.Call
-}
-
-// Load is a helper method to define mock.On call
-func (_e *Storage_Expecter) Load() *Storage_Load_Call {
-	return &Storage_Load_Call{Call: _e.mock.On("Load")}
-}
-
-func (_c *Storage_Load_Call) Run(run func()) *Storage_Load_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *Storage_Load_Call) Return(_a0 []storage.Message, _a1 error) *Storage_Load_Call {
-	_c.Call.Return(_a0, _a1)
-	return _c
-}
-
-func (_c *Storage_Load_Call) RunAndReturn(run func() ([]storage.Message, error)) *Storage_Load_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Save provides a mock function with given fields: messages
-func (_m *Storage) Save(messages []storage.Message) error {
-	ret := _m.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)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// Storage_Save_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Save'
-type Storage_Save_Call struct {
-	*mock.Call
-}
-
-// Save is a helper method to define mock.On call
-//   - messages []storage.Message
-func (_e *Storage_Expecter) Save(messages interface{}) *Storage_Save_Call {
-	return &Storage_Save_Call{Call: _e.mock.On("Save", messages)}
-}
-
-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))
-	})
-	return _c
-}
-
-func (_c *Storage_Save_Call) Return(_a0 error) *Storage_Save_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *Storage_Save_Call) RunAndReturn(run func([]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.go

@@ -1,111 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-package storage
-
-import (
-	"encoding/json"
-	"os"
-	"path/filepath"
-	"sync"
-	"time"
-
-	"github.com/ultravioletrs/cocos/agent/cvms"
-)
-
-// Message represents a pending message with its timestamp.
-type Message struct {
-	Message *cvms.ClientStreamMessage
-	Time    time.Time
-}
-
-// Storage defines the interface for message persistence operations.
-type Storage interface {
-	// Load retrieves all pending messages from storage.
-	Load() ([]Message, error)
-
-	// Save persists the given messages to storage.
-	Save(messages []Message) error
-
-	// Add appends a new message to storage.
-	Add(msg *cvms.ClientStreamMessage) error
-
-	// Clear removes all messages from storage.
-	Clear() error
-}
-
-// FileStorage implements Storage interface using file-based persistence.
-type FileStorage struct {
-	mu   sync.Mutex
-	path string
-	msgs []Message
-}
-
-// NewFileStorage creates a new file-based storage instance.
-func NewFileStorage(storageDir string) (*FileStorage, error) {
-	if err := os.MkdirAll(storageDir, 0o755); err != nil {
-		return nil, err
-	}
-
-	return &FileStorage{
-		path: filepath.Join(storageDir, "pending_messages.json"),
-		msgs: make([]Message, 0),
-	}, nil
-}
-
-func (fs *FileStorage) Load() ([]Message, error) {
-	fs.mu.Lock()
-	defer fs.mu.Unlock()
-
-	data, err := os.ReadFile(fs.path)
-	if os.IsNotExist(err) {
-		return nil, nil
-	}
-	if err != nil {
-		return nil, err
-	}
-
-	if err := json.Unmarshal(data, &fs.msgs); err != nil {
-		return nil, err
-	}
-
-	return fs.msgs, nil
-}
-
-func (fs *FileStorage) Save(messages []Message) error {
-	fs.mu.Lock()
-	defer fs.mu.Unlock()
-
-	fs.msgs = messages
-
-	data, err := json.Marshal(messages)
-	if err != nil {
-		return err
-	}
-
-	return os.WriteFile(fs.path, data, 0o644)
-}
-
-func (fs *FileStorage) Add(msg *cvms.ClientStreamMessage) error {
-	fs.mu.Lock()
-	defer fs.mu.Unlock()
-
-	fs.msgs = append(fs.msgs, Message{
-		Message: msg,
-		Time:    time.Now(),
-	})
-
-	data, err := json.Marshal(fs.msgs)
-	if err != nil {
-		return err
-	}
-
-	return os.WriteFile(fs.path, data, 0o644)
-}
-
-func (fs *FileStorage) Clear() error {
-	fs.mu.Lock()
-	defer fs.mu.Unlock()
-
-	fs.msgs = make([]Message, 0)
-	return os.WriteFile(fs.path, []byte("[]"), 0o644)
-}

agent/cvms/cvms.proto

@@ -1,130 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-
-syntax = "proto3";
-
-import "google/protobuf/timestamp.proto";
-
-package cvms;
-
-option go_package = "./cvms";
-
-service Service {
-  rpc Process(stream ClientStreamMessage) returns (stream ServerStreamMessage) {}
-}
-
-message AgentStateReq {
-  string id = 1;
-}
-
-message AgentStateRes {
-  string id = 1;
-  string state = 2;
-}
-
-message StopComputation {
-  string computation_id = 1;
-}
-
-message StopComputationResponse {
-  string computation_id = 1;
-  string message = 2;
-}
-
-message RunResponse{
-  string computation_id = 1;
-  string error = 2;
-}
-
-message AgentEvent {
-  string event_type = 1;
-	google.protobuf.Timestamp timestamp = 2;
-	string	computation_id = 3;
-	bytes	details = 4;
-	string	originator = 5;
-	string	status = 6;
-}
-
-message AgentLog {
-  string message = 1;
-  string computation_id = 2;
-  string level = 3;
-  google.protobuf.Timestamp timestamp = 4;
-}
-
-message ClientStreamMessage {
-  oneof message {
-    AgentLog agent_log = 1;
-    AgentEvent agent_event = 2;
-    RunResponse run_res = 3;
-    StopComputationResponse stopComputationRes = 4;
-    AgentStateRes agentStateRes = 5;
-    AttestationResponse vTPMattestationReport = 6;
-    azureAttestationResponse azureAttestationResult = 7;
-  }
-}
-
-message ServerStreamMessage {
-  oneof message {
-    RunReqChunks runReqChunks = 1;
-    ComputationRunReq runReq = 2;
-    StopComputation stopComputation = 3;
-    AgentStateReq agentStateReq = 4;
-    DisconnectReq disconnectReq = 5;
-  }
-}
-
-message DisconnectReq {
-  string id = 1;
-}
-
-message RunReqChunks {
-  bytes data = 1;
-  string id = 2;
-  bool is_last = 3;
-}
-
-message ComputationRunReq {
-  string id = 1;
-  string name = 2;
-  string description = 3;
-  repeated Dataset datasets = 4;
-  Algorithm algorithm = 5;
-  repeated ResultConsumer result_consumers = 6;
-  AgentConfig agent_config = 7;
-}
-
-message ResultConsumer {
-  bytes userKey = 1;
-}
-
-message Dataset {
-  bytes hash = 1; // should be sha3.Sum256, 32 byte length.
-  bytes userKey = 2;
-  string filename = 3;
-}
-
-message Algorithm {
-  bytes hash = 1; // should be sha3.Sum256, 32 byte length.
-  bytes userKey = 2;
-}
-
-message AgentConfig {
-  string port = 1;
-  string cert_file = 2;
-  string key_file = 3;
-  string client_ca_file = 4;
-  string server_ca_file = 5;
-  string log_level = 6;
-  bool   attested_tls = 7;
-}
-
-message AttestationResponse {
-  bytes file = 1;
-  string certSerialNumber = 2;
-}
-
-message azureAttestationResponse {
-  bytes file = 1;
-  string certSerialNumber = 2;
-}

agent/cvms/cvms_grpc.pb.go

@@ -1,118 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-
-// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
-// versions:
-// - protoc-gen-go-grpc v1.5.1
-// - protoc             v5.29.0
-// source: agent/cvms/cvms.proto
-
-package cvms
-
-import (
-	context "context"
-	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
-)
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.64.0 or later.
-const _ = grpc.SupportPackageIsVersion9
-
-const (
-	Service_Process_FullMethodName = "/cvms.Service/Process"
-)
-
-// ServiceClient is the client API for Service service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
-type ServiceClient interface {
-	Process(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[ClientStreamMessage, ServerStreamMessage], error)
-}
-
-type serviceClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewServiceClient(cc grpc.ClientConnInterface) ServiceClient {
-	return &serviceClient{cc}
-}
-
-func (c *serviceClient) Process(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[ClientStreamMessage, ServerStreamMessage], error) {
-	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	stream, err := c.cc.NewStream(ctx, &Service_ServiceDesc.Streams[0], Service_Process_FullMethodName, cOpts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &grpc.GenericClientStream[ClientStreamMessage, ServerStreamMessage]{ClientStream: stream}
-	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 Service_ProcessClient = grpc.BidiStreamingClient[ClientStreamMessage, ServerStreamMessage]
-
-// ServiceServer is the server API for Service service.
-// All implementations must embed UnimplementedServiceServer
-// for forward compatibility.
-type ServiceServer interface {
-	Process(grpc.BidiStreamingServer[ClientStreamMessage, ServerStreamMessage]) error
-	mustEmbedUnimplementedServiceServer()
-}
-
-// UnimplementedServiceServer must be embedded to have
-// forward compatible implementations.
-//
-// NOTE: this should be embedded by value instead of pointer to avoid a nil
-// pointer dereference when methods are called.
-type UnimplementedServiceServer struct{}
-
-func (UnimplementedServiceServer) Process(grpc.BidiStreamingServer[ClientStreamMessage, ServerStreamMessage]) error {
-	return status.Errorf(codes.Unimplemented, "method Process not implemented")
-}
-func (UnimplementedServiceServer) mustEmbedUnimplementedServiceServer() {}
-func (UnimplementedServiceServer) testEmbeddedByValue()                 {}
-
-// UnsafeServiceServer may be embedded to opt out of forward compatibility for this service.
-// Use of this interface is not recommended, as added methods to ServiceServer will
-// result in compilation errors.
-type UnsafeServiceServer interface {
-	mustEmbedUnimplementedServiceServer()
-}
-
-func RegisterServiceServer(s grpc.ServiceRegistrar, srv ServiceServer) {
-	// If the following call pancis, it indicates UnimplementedServiceServer was
-	// embedded by pointer and is nil.  This will cause panics if an
-	// unimplemented method is ever invoked, so we test this at initialization
-	// time to prevent it from happening at runtime later due to I/O.
-	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
-		t.testEmbeddedByValue()
-	}
-	s.RegisterService(&Service_ServiceDesc, srv)
-}
-
-func _Service_Process_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(ServiceServer).Process(&grpc.GenericServerStream[ClientStreamMessage, ServerStreamMessage]{ServerStream: stream})
-}
-
-// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
-type Service_ProcessServer = grpc.BidiStreamingServer[ClientStreamMessage, ServerStreamMessage]
-
-// Service_ServiceDesc is the grpc.ServiceDesc for Service service.
-// It's only intended for direct use with grpc.RegisterService,
-// and not to be introspected or modified (even as a copy)
-var Service_ServiceDesc = grpc.ServiceDesc{
-	ServiceName: "cvms.Service",
-	HandlerType: (*ServiceServer)(nil),
-	Methods:     []grpc.MethodDesc{},
-	Streams: []grpc.StreamDesc{
-		{
-			StreamName:    "Process",
-			Handler:       _Service_Process_Handler,
-			ServerStreams: true,
-			ClientStreams: true,
-		},
-	},
-	Metadata: "agent/cvms/cvms.proto",
-}

agent/cvms/server/cvm.go

@@ -1,98 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-
-package server
-
-import (
-	context "context"
-	"fmt"
-	"log/slog"
-
-	"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"
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/reflection"
-)
-
-const (
-	svcName        = "agent"
-	defSvcGRPCPort = "7002"
-)
-
-type AgentServer interface {
-	Start(cfg agent.AgentConfig, cmp agent.Computation) error
-	Stop() error
-}
-
-type agentServer struct {
-	gs     server.Server
-	logger *slog.Logger
-	svc    agent.Service
-	host   string
-	caUrl  string
-	cvmId  string
-}
-
-func NewServer(logger *slog.Logger, svc agent.Service, host string, caUrl string, cvmId string) AgentServer {
-	return &agentServer{
-		logger: logger,
-		svc:    svc,
-		host:   host,
-		caUrl:  caUrl,
-		cvmId:  cvmId,
-	}
-}
-
-func (as *agentServer) Start(cfg agent.AgentConfig, cmp agent.Computation) error {
-	if cfg.Port == "" {
-		cfg.Port = defSvcGRPCPort
-	}
-
-	agentGrpcServerConfig := server.AgentConfig{
-		ServerConfig: server.ServerConfig{
-			BaseConfig: server.BaseConfig{
-				Host:         as.host,
-				Port:         cfg.Port,
-				CertFile:     cfg.CertFile,
-				KeyFile:      cfg.KeyFile,
-				ServerCAFile: cfg.ServerCAFile,
-				ClientCAFile: cfg.ClientCAFile,
-			},
-		},
-		AttestedTLS: cfg.AttestedTls,
-	}
-
-	registerAgentServiceServer := func(srv *grpc.Server) {
-		reflection.Register(srv)
-		agent.RegisterAgentServiceServer(srv, agentgrpc.NewServer(as.svc))
-	}
-
-	authSvc, err := auth.New(cmp)
-	if err != nil {
-		as.logger.WithGroup(cmp.ID).Error(fmt.Sprintf("failed to create auth service %s", err.Error()))
-		return err
-	}
-
-	ctx, cancel := context.WithCancel(context.Background())
-
-	as.gs = grpcserver.New(ctx, cancel, svcName, agentGrpcServerConfig, registerAgentServiceServer, as.logger, authSvc, as.caUrl, as.cvmId)
-
-	go func() {
-		err := as.gs.Start()
-		if err != nil {
-			as.logger.Error(fmt.Sprintf("failed to start grpc server %s", err.Error()))
-		}
-	}()
-
-	return nil
-}
-
-func (as *agentServer) Stop() error {
-	if as.gs == nil {
-		return nil
-	}
-	return as.gs.Stop()
-}

agent/cvms/server/mocks/server.go

@@ -1,130 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-
-// Code generated by mockery v2.53.3. DO NOT EDIT.
-
-package mocks
-
-import (
-	mock "github.com/stretchr/testify/mock"
-	agent "github.com/ultravioletrs/cocos/agent"
-)
-
-// AgentServer is an autogenerated mock type for the AgentServer type
-type AgentServer struct {
-	mock.Mock
-}
-
-type AgentServer_Expecter struct {
-	mock *mock.Mock
-}
-
-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)
-
-	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)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// AgentServer_Start_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Start'
-type AgentServer_Start_Call struct {
-	*mock.Call
-}
-
-// Start is a helper method to define mock.On call
-//   - cfg agent.AgentConfig
-//   - cmp agent.Computation
-func (_e *AgentServer_Expecter) Start(cfg interface{}, cmp interface{}) *AgentServer_Start_Call {
-	return &AgentServer_Start_Call{Call: _e.mock.On("Start", cfg, cmp)}
-}
-
-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))
-	})
-	return _c
-}
-
-func (_c *AgentServer_Start_Call) Return(_a0 error) *AgentServer_Start_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentServer_Start_Call) RunAndReturn(run func(agent.AgentConfig, 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()
-
-	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()
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// AgentServer_Stop_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Stop'
-type AgentServer_Stop_Call struct {
-	*mock.Call
-}
-
-// Stop is a helper method to define mock.On call
-func (_e *AgentServer_Expecter) Stop() *AgentServer_Stop_Call {
-	return &AgentServer_Stop_Call{Call: _e.mock.On("Stop")}
-}
-
-func (_c *AgentServer_Stop_Call) Run(run func()) *AgentServer_Stop_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *AgentServer_Stop_Call) Return(_a0 error) *AgentServer_Stop_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *AgentServer_Stop_Call) RunAndReturn(run func() error) *AgentServer_Stop_Call {
-	_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.go

@@ -4,38 +4,43 @@ package events
 
 import (
 	"encoding/json"
+	"io"
 
-	"github.com/ultravioletrs/cocos/agent/cvms"
+	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
 type service struct {
-	service string
-	queue   chan *cvms.ClientStreamMessage
+	service       string
+	computationID string
+	conn          io.Writer
 }
 
 type Service interface {
-	SendEvent(cmpID, event, status string, details json.RawMessage)
+	SendEvent(event, status string, details json.RawMessage) error
 }
 
-func New(svc string, queue chan *cvms.ClientStreamMessage) (Service, error) {
+func New(svc, computationID string, conn io.Writer) (Service, error) {
 	return &service{
-		service: svc,
-		queue:   queue,
+		service:       svc,
+		computationID: computationID,
+		conn:          conn,
 	}, nil
 }
 
-func (s *service) SendEvent(cmpID, event, status string, details json.RawMessage) {
-	s.queue <- &cvms.ClientStreamMessage{
-		Message: &cvms.ClientStreamMessage_AgentEvent{
-			AgentEvent: &cvms.AgentEvent{
-				EventType:     event,
-				Timestamp:     timestamppb.Now(),
-				ComputationId: cmpID,
-				Originator:    s.service,
-				Status:        status,
-				Details:       details,
-			},
-		},
+func (s *service) SendEvent(event, status string, details json.RawMessage) error {
+	body := EventsLogs{Message: &EventsLogs_AgentEvent{AgentEvent: &AgentEvent{
+		EventType:     event,
+		Timestamp:     timestamppb.Now(),
+		ComputationId: s.computationID,
+		Originator:    s.service,
+		Status:        status,
+		Details:       details,
+	}}}
+	protoBody, err := proto.Marshal(&body)
+	if err != nil {
+		return err
 	}
+	_, err = s.conn.Write(protoBody)
+	return err
 }

agent/events/events.pb.go

@@ -3,8 +3,8 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.5
-// 	protoc        v5.29.0
+// 	protoc-gen-go v1.34.2
+// 	protoc        v5.28.1
 // source: agent/events/events.proto
 
 package events
@@ -15,7 +15,6 @@ import (
 	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
 	reflect "reflect"
 	sync "sync"
-	unsafe "unsafe"
 )
 
 const (
@@ -26,22 +25,25 @@ const (
 )
 
 type AgentEvent struct {
-	state         protoimpl.MessageState `protogen:"open.v1"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	EventType     string                 `protobuf:"bytes,1,opt,name=event_type,json=eventType,proto3" json:"event_type,omitempty"`
 	Timestamp     *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
 	ComputationId string                 `protobuf:"bytes,3,opt,name=computation_id,json=computationId,proto3" json:"computation_id,omitempty"`
 	Details       []byte                 `protobuf:"bytes,4,opt,name=details,proto3" json:"details,omitempty"`
 	Originator    string                 `protobuf:"bytes,5,opt,name=originator,proto3" json:"originator,omitempty"`
 	Status        string                 `protobuf:"bytes,6,opt,name=status,proto3" json:"status,omitempty"`
-	unknownFields protoimpl.UnknownFields
-	sizeCache     protoimpl.SizeCache
 }
 
 func (x *AgentEvent) Reset() {
 	*x = AgentEvent{}
-	mi := &file_agent_events_events_proto_msgTypes[0]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_agent_events_events_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }
 
 func (x *AgentEvent) String() string {
@@ -52,7 +54,7 @@ func (*AgentEvent) ProtoMessage() {}
 
 func (x *AgentEvent) ProtoReflect() protoreflect.Message {
 	mi := &file_agent_events_events_proto_msgTypes[0]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -110,20 +112,23 @@ func (x *AgentEvent) GetStatus() string {
 }
 
 type AgentLog struct {
-	state         protoimpl.MessageState `protogen:"open.v1"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	Message       string                 `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
 	ComputationId string                 `protobuf:"bytes,2,opt,name=computation_id,json=computationId,proto3" json:"computation_id,omitempty"`
 	Level         string                 `protobuf:"bytes,3,opt,name=level,proto3" json:"level,omitempty"`
 	Timestamp     *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
-	unknownFields protoimpl.UnknownFields
-	sizeCache     protoimpl.SizeCache
 }
 
 func (x *AgentLog) Reset() {
 	*x = AgentLog{}
-	mi := &file_agent_events_events_proto_msgTypes[1]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_agent_events_events_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }
 
 func (x *AgentLog) String() string {
@@ -134,7 +139,7 @@ func (*AgentLog) ProtoMessage() {}
 
 func (x *AgentLog) ProtoReflect() protoreflect.Message {
 	mi := &file_agent_events_events_proto_msgTypes[1]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -178,21 +183,24 @@ func (x *AgentLog) GetTimestamp() *timestamppb.Timestamp {
 }
 
 type EventsLogs struct {
-	state protoimpl.MessageState `protogen:"open.v1"`
-	// Types that are valid to be assigned to Message:
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to Message:
 	//
 	//	*EventsLogs_AgentLog
 	//	*EventsLogs_AgentEvent
-	Message       isEventsLogs_Message `protobuf_oneof:"message"`
-	unknownFields protoimpl.UnknownFields
-	sizeCache     protoimpl.SizeCache
+	Message isEventsLogs_Message `protobuf_oneof:"message"`
 }
 
 func (x *EventsLogs) Reset() {
 	*x = EventsLogs{}
-	mi := &file_agent_events_events_proto_msgTypes[2]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
+	if protoimpl.UnsafeEnabled {
+		mi := &file_agent_events_events_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
 }
 
 func (x *EventsLogs) String() string {
@@ -203,7 +211,7 @@ func (*EventsLogs) ProtoMessage() {}
 
 func (x *EventsLogs) ProtoReflect() protoreflect.Message {
 	mi := &file_agent_events_events_proto_msgTypes[2]
-	if x != nil {
+	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -218,27 +226,23 @@ func (*EventsLogs) Descriptor() ([]byte, []int) {
 	return file_agent_events_events_proto_rawDescGZIP(), []int{2}
 }
 
-func (x *EventsLogs) GetMessage() isEventsLogs_Message {
-	if x != nil {
-		return x.Message
+func (m *EventsLogs) GetMessage() isEventsLogs_Message {
+	if m != nil {
+		return m.Message
 	}
 	return nil
 }
 
 func (x *EventsLogs) GetAgentLog() *AgentLog {
-	if x != nil {
-		if x, ok := x.Message.(*EventsLogs_AgentLog); ok {
-			return x.AgentLog
-		}
+	if x, ok := x.GetMessage().(*EventsLogs_AgentLog); ok {
+		return x.AgentLog
 	}
 	return nil
 }
 
 func (x *EventsLogs) GetAgentEvent() *AgentEvent {
-	if x != nil {
-		if x, ok := x.Message.(*EventsLogs_AgentEvent); ok {
-			return x.AgentEvent
-		}
+	if x, ok := x.GetMessage().(*EventsLogs_AgentEvent); ok {
+		return x.AgentEvent
 	}
 	return nil
 }
@@ -261,7 +265,7 @@ func (*EventsLogs_AgentEvent) isEventsLogs_Message() {}
 
 var File_agent_events_events_proto protoreflect.FileDescriptor
 
-var file_agent_events_events_proto_rawDesc = string([]byte{
+var file_agent_events_events_proto_rawDesc = []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,
@@ -300,16 +304,16 @@ var file_agent_events_events_proto_rawDesc = string([]byte{
 	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,
-})
+}
 
 var (
 	file_agent_events_events_proto_rawDescOnce sync.Once
-	file_agent_events_events_proto_rawDescData []byte
+	file_agent_events_events_proto_rawDescData = file_agent_events_events_proto_rawDesc
 )
 
 func file_agent_events_events_proto_rawDescGZIP() []byte {
 	file_agent_events_events_proto_rawDescOnce.Do(func() {
-		file_agent_events_events_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_agent_events_events_proto_rawDesc), len(file_agent_events_events_proto_rawDesc)))
+		file_agent_events_events_proto_rawDescData = protoimpl.X.CompressGZIP(file_agent_events_events_proto_rawDescData)
 	})
 	return file_agent_events_events_proto_rawDescData
 }
@@ -338,6 +342,44 @@ func file_agent_events_events_proto_init() {
 	if File_agent_events_events_proto != nil {
 		return
 	}
+	if !protoimpl.UnsafeEnabled {
+		file_agent_events_events_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*AgentEvent); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_agent_events_events_proto_msgTypes[1].Exporter = func(v any, i int) any {
+			switch v := v.(*AgentLog); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_agent_events_events_proto_msgTypes[2].Exporter = func(v any, i int) any {
+			switch v := v.(*EventsLogs); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
 	file_agent_events_events_proto_msgTypes[2].OneofWrappers = []any{
 		(*EventsLogs_AgentLog)(nil),
 		(*EventsLogs_AgentEvent)(nil),
@@ -346,7 +388,7 @@ func file_agent_events_events_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: unsafe.Slice(unsafe.StringData(file_agent_events_events_proto_rawDesc), len(file_agent_events_events_proto_rawDesc)),
+			RawDescriptor: file_agent_events_events_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   3,
 			NumExtensions: 0,
@@ -357,6 +399,7 @@ func file_agent_events_events_proto_init() {
 		MessageInfos:      file_agent_events_events_proto_msgTypes,
 	}.Build()
 	File_agent_events_events_proto = out.File
+	file_agent_events_events_proto_rawDesc = nil
 	file_agent_events_events_proto_goTypes = nil
 	file_agent_events_events_proto_depIdxs = nil
 }

agent/events/events_test.go

@@ -3,36 +3,62 @@
 package events
 
 import (
+	"bytes"
 	"encoding/json"
+	"errors"
 	"testing"
 	"time"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/ultravioletrs/cocos/agent/cvms"
+	"google.golang.org/protobuf/proto"
 )
 
+type mockConn struct {
+	writeErr error
+	buf      bytes.Buffer
+}
+
+func (m *mockConn) Write(p []byte) (n int, err error) {
+	if m.writeErr != nil {
+		return 0, m.writeErr
+	}
+	return m.buf.Write(p)
+}
+
 func TestSendEventSuccess(t *testing.T) {
-	queue := make(chan *cvms.ClientStreamMessage, 1)
-	svc, err := New("test_service", queue)
+	mockConnection := &mockConn{}
+
+	svc, err := New("test_service", "12345", mockConnection)
 	assert.NoError(t, err)
 
 	details := json.RawMessage(`{"key": "value"}`)
 
-	go func() {
-		msg := <-queue
-		assert.NotNil(t, msg)
-		assert.NotNil(t, msg.GetAgentEvent())
-		assert.Equal(t, "test_event", msg.GetAgentEvent().EventType)
-		assert.Equal(t, "testid", msg.GetAgentEvent().ComputationId)
-		assert.Equal(t, "test_service", msg.GetAgentEvent().Originator)
-		assert.Equal(t, "success", msg.GetAgentEvent().Status)
+	err = svc.SendEvent("test_event", "success", details)
+	assert.NoError(t, err)
 
-		now := time.Now()
-		eventTimestamp := msg.GetAgentEvent().GetTimestamp().AsTime()
-		assert.WithinDuration(t, now, eventTimestamp, 1*time.Second)
-	}()
+	var writtenMessage EventsLogs
+	err = proto.Unmarshal(mockConnection.buf.Bytes(), &writtenMessage)
+	assert.NoError(t, err)
 
-	svc.SendEvent("testid", "test_event", "success", details)
+	assert.Equal(t, "test_event", writtenMessage.GetAgentEvent().EventType)
+	assert.Equal(t, "12345", writtenMessage.GetAgentEvent().ComputationId)
+	assert.Equal(t, "test_service", writtenMessage.GetAgentEvent().Originator)
+	assert.Equal(t, "success", writtenMessage.GetAgentEvent().Status)
 
-	time.Sleep(1 * time.Second)
+	now := time.Now()
+	eventTimestamp := writtenMessage.GetAgentEvent().GetTimestamp().AsTime()
+	assert.WithinDuration(t, now, eventTimestamp, 1*time.Second)
+}
+
+func TestSendEventFailure(t *testing.T) {
+	mockConnection := &mockConn{writeErr: errors.New("write error")}
+
+	svc, err := New("test_service", "12345", mockConnection)
+	assert.NoError(t, err)
+
+	details := json.RawMessage(`{"key": "value"}`)
+
+	err = svc.SendEvent("test_event", "failure", details)
+	assert.Error(t, err)
+	assert.Equal(t, "write error", err.Error())
 }

agent/events/mocks/events.go

@@ -1,7 +1,7 @@
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
+// Code generated by mockery v2.43.2. DO NOT EDIT.
 
 package mocks
 
@@ -24,9 +24,22 @@ 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 with given fields: event, status, details
+func (_m *Service) SendEvent(event string, status string, details json.RawMessage) error {
+	ret := _m.Called(event, status, details)
+
+	if len(ret) == 0 {
+		panic("no return value specified for SendEvent")
+	}
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(string, string, json.RawMessage) error); ok {
+		r0 = rf(event, status, details)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
 }
 
 // Service_SendEvent_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'SendEvent'
@@ -35,28 +48,27 @@ type Service_SendEvent_Call struct {
 }
 
 // SendEvent is a helper method to define mock.On call
-//   - cmpID string
 //   - event string
 //   - status string
 //   - details json.RawMessage
-func (_e *Service_Expecter) SendEvent(cmpID interface{}, event interface{}, status interface{}, details interface{}) *Service_SendEvent_Call {
-	return &Service_SendEvent_Call{Call: _e.mock.On("SendEvent", cmpID, event, status, details)}
+func (_e *Service_Expecter) SendEvent(event interface{}, status interface{}, details interface{}) *Service_SendEvent_Call {
+	return &Service_SendEvent_Call{Call: _e.mock.On("SendEvent", event, status, details)}
 }
 
-func (_c *Service_SendEvent_Call) Run(run func(cmpID string, event string, status string, details json.RawMessage)) *Service_SendEvent_Call {
+func (_c *Service_SendEvent_Call) Run(run func(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))
+		run(args[0].(string), args[1].(string), args[2].(json.RawMessage))
 	})
 	return _c
 }
 
-func (_c *Service_SendEvent_Call) Return() *Service_SendEvent_Call {
-	_c.Call.Return()
+func (_c *Service_SendEvent_Call) Return(_a0 error) *Service_SendEvent_Call {
+	_c.Call.Return(_a0)
 	return _c
 }
 
-func (_c *Service_SendEvent_Call) RunAndReturn(run func(string, string, string, json.RawMessage)) *Service_SendEvent_Call {
-	_c.Run(run)
+func (_c *Service_SendEvent_Call) RunAndReturn(run func(string, string, json.RawMessage) error) *Service_SendEvent_Call {
+	_c.Call.Return(run)
 	return _c
 }
 

agent/mocks/agent.go

@@ -1,16 +1,15 @@
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
+// Code generated by mockery v2.43.2. DO NOT EDIT.
 
 package mocks
 
 import (
-	agent "github.com/ultravioletrs/cocos/agent"
-	attestation "github.com/ultravioletrs/cocos/pkg/attestation"
-
 	context "context"
 
+	agent "github.com/ultravioletrs/cocos/agent"
+
 	mock "github.com/stretchr/testify/mock"
 )
 
@@ -74,9 +73,9 @@ func (_c *Service_Algo_Call) RunAndReturn(run func(context.Context, agent.Algori
 	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 attestation.PlatformType) ([]byte, error) {
-	ret := _m.Called(ctx, reportData, nonce, attType)
+// Attestation provides a mock function with given fields: ctx, reportData
+func (_m *Service) Attestation(ctx context.Context, reportData [64]byte) ([]byte, error) {
+	ret := _m.Called(ctx, reportData)
 
 	if len(ret) == 0 {
 		panic("no return value specified for Attestation")
@@ -84,19 +83,19 @@ func (_m *Service) Attestation(ctx context.Context, reportData [64]byte, nonce [
 
 	var r0 []byte
 	var r1 error
-	if rf, ok := ret.Get(0).(func(context.Context, [64]byte, [32]byte, attestation.PlatformType) ([]byte, error)); ok {
-		return rf(ctx, reportData, nonce, attType)
+	if rf, ok := ret.Get(0).(func(context.Context, [64]byte) ([]byte, error)); ok {
+		return rf(ctx, reportData)
 	}
-	if rf, ok := ret.Get(0).(func(context.Context, [64]byte, [32]byte, attestation.PlatformType) []byte); ok {
-		r0 = rf(ctx, reportData, nonce, attType)
+	if rf, ok := ret.Get(0).(func(context.Context, [64]byte) []byte); ok {
+		r0 = rf(ctx, reportData)
 	} else {
 		if ret.Get(0) != nil {
 			r0 = ret.Get(0).([]byte)
 		}
 	}
 
-	if rf, ok := ret.Get(1).(func(context.Context, [64]byte, [32]byte, attestation.PlatformType) error); ok {
-		r1 = rf(ctx, reportData, nonce, attType)
+	if rf, ok := ret.Get(1).(func(context.Context, [64]byte) error); ok {
+		r1 = rf(ctx, reportData)
 	} else {
 		r1 = ret.Error(1)
 	}
@@ -112,15 +111,13 @@ type Service_Attestation_Call struct {
 // 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 (_e *Service_Expecter) Attestation(ctx interface{}, reportData interface{}) *Service_Attestation_Call {
+	return &Service_Attestation_Call{Call: _e.mock.On("Attestation", ctx, reportData)}
 }
 
-func (_c *Service_Attestation_Call) Run(run func(ctx context.Context, reportData [64]byte, nonce [32]byte, attType attestation.PlatformType)) *Service_Attestation_Call {
+func (_c *Service_Attestation_Call) Run(run func(ctx context.Context, reportData [64]byte)) *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].(attestation.PlatformType))
+		run(args[0].(context.Context), args[1].([64]byte))
 	})
 	return _c
 }
@@ -130,67 +127,7 @@ func (_c *Service_Attestation_Call) Return(_a0 []byte, _a1 error) *Service_Attes
 	return _c
 }
 
-func (_c *Service_Attestation_Call) RunAndReturn(run func(context.Context, [64]byte, [32]byte, attestation.PlatformType) ([]byte, error)) *Service_Attestation_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// AttestationResult provides a mock function with given fields: ctx, nonce, attType
-func (_m *Service) AttestationResult(ctx context.Context, nonce [32]byte, attType attestation.PlatformType) ([]byte, error) {
-	ret := _m.Called(ctx, nonce, attType)
-
-	if len(ret) == 0 {
-		panic("no return value specified for AttestationResult")
-	}
-
-	var r0 []byte
-	var r1 error
-	if rf, ok := ret.Get(0).(func(context.Context, [32]byte, attestation.PlatformType) ([]byte, error)); ok {
-		return rf(ctx, nonce, attType)
-	}
-	if rf, ok := ret.Get(0).(func(context.Context, [32]byte, attestation.PlatformType) []byte); ok {
-		r0 = rf(ctx, nonce, attType)
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).([]byte)
-		}
-	}
-
-	if rf, ok := ret.Get(1).(func(context.Context, [32]byte, attestation.PlatformType) error); ok {
-		r1 = rf(ctx, nonce, attType)
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// Service_AttestationResult_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'AttestationResult'
-type Service_AttestationResult_Call struct {
-	*mock.Call
-}
-
-// AttestationResult is a helper method to define mock.On call
-//   - ctx context.Context
-//   - nonce [32]byte
-//   - attType attestation.PlatformType
-func (_e *Service_Expecter) AttestationResult(ctx interface{}, nonce interface{}, attType interface{}) *Service_AttestationResult_Call {
-	return &Service_AttestationResult_Call{Call: _e.mock.On("AttestationResult", ctx, nonce, attType)}
-}
-
-func (_c *Service_AttestationResult_Call) Run(run func(ctx context.Context, nonce [32]byte, attType attestation.PlatformType)) *Service_AttestationResult_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(context.Context), args[1].([32]byte), args[2].(attestation.PlatformType))
-	})
-	return _c
-}
-
-func (_c *Service_AttestationResult_Call) Return(_a0 []byte, _a1 error) *Service_AttestationResult_Call {
-	_c.Call.Return(_a0, _a1)
-	return _c
-}
-
-func (_c *Service_AttestationResult_Call) RunAndReturn(run func(context.Context, [32]byte, attestation.PlatformType) ([]byte, error)) *Service_AttestationResult_Call {
+func (_c *Service_Attestation_Call) RunAndReturn(run func(context.Context, [64]byte) ([]byte, error)) *Service_Attestation_Call {
 	_c.Call.Return(run)
 	return _c
 }
@@ -242,120 +179,6 @@ func (_c *Service_Data_Call) RunAndReturn(run func(context.Context, agent.Datase
 	return _c
 }
 
-// IMAMeasurements provides a mock function with given fields: ctx
-func (_m *Service) IMAMeasurements(ctx context.Context) ([]byte, []byte, error) {
-	ret := _m.Called(ctx)
-
-	if len(ret) == 0 {
-		panic("no return value specified for IMAMeasurements")
-	}
-
-	var r0 []byte
-	var r1 []byte
-	var r2 error
-	if rf, ok := ret.Get(0).(func(context.Context) ([]byte, []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) []byte); ok {
-		r1 = rf(ctx)
-	} else {
-		if ret.Get(1) != nil {
-			r1 = ret.Get(1).([]byte)
-		}
-	}
-
-	if rf, ok := ret.Get(2).(func(context.Context) error); ok {
-		r2 = rf(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) {
-		run(args[0].(context.Context))
-	})
-	return _c
-}
-
-func (_c *Service_IMAMeasurements_Call) Return(_a0 []byte, _a1 []byte, _a2 error) *Service_IMAMeasurements_Call {
-	_c.Call.Return(_a0, _a1, _a2)
-	return _c
-}
-
-func (_c *Service_IMAMeasurements_Call) RunAndReturn(run func(context.Context) ([]byte, []byte, error)) *Service_IMAMeasurements_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)
@@ -414,97 +237,6 @@ func (_c *Service_Result_Call) RunAndReturn(run func(context.Context) ([]byte, e
 	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 {

agent/mocks/agent_grpc_algo.go

@@ -1,8 +1,8 @@
+// Code generated by mockery v2.43.2. DO NOT EDIT.
+
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
-
 package mocks
 
 import (
@@ -16,20 +16,12 @@ import (
 )
 
 // AgentService_AlgoClient is an autogenerated mock type for the AgentService_AlgoClient type
-type AgentService_AlgoClient[Req interface{}, Res interface{}] struct {
+type AgentService_AlgoClient 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) {
+// CloseAndRecv provides a mock function with given fields:
+func (_m *AgentService_AlgoClient) CloseAndRecv() (*agent.AlgoResponse, error) {
 	ret := _m.Called()
 
 	if len(ret) == 0 {
@@ -58,35 +50,8 @@ func (_m *AgentService_AlgoClient[Req, Res]) CloseAndRecv() (*agent.AlgoResponse
 	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 {
+// CloseSend provides a mock function with given fields:
+func (_m *AgentService_AlgoClient) CloseSend() error {
 	ret := _m.Called()
 
 	if len(ret) == 0 {
@@ -103,35 +68,8 @@ func (_m *AgentService_AlgoClient[Req, Res]) CloseSend() error {
 	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 {
+// Context provides a mock function with given fields:
+func (_m *AgentService_AlgoClient) Context() context.Context {
 	ret := _m.Called()
 
 	if len(ret) == 0 {
@@ -150,35 +88,8 @@ func (_m *AgentService_AlgoClient[Req, Res]) Context() 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) {
+// Header provides a mock function with given fields:
+func (_m *AgentService_AlgoClient) Header() (metadata.MD, error) {
 	ret := _m.Called()
 
 	if len(ret) == 0 {
@@ -207,35 +118,8 @@ func (_m *AgentService_AlgoClient[Req, Res]) Header() (metadata.MD, error) {
 	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 {
+func (_m *AgentService_AlgoClient) RecvMsg(m interface{}) error {
 	ret := _m.Called(m)
 
 	if len(ret) == 0 {
@@ -252,36 +136,8 @@ func (_m *AgentService_AlgoClient[Req, Res]) RecvMsg(m interface{}) error {
 	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 {
+func (_m *AgentService_AlgoClient) Send(_a0 *agent.AlgoRequest) error {
 	ret := _m.Called(_a0)
 
 	if len(ret) == 0 {
@@ -298,36 +154,8 @@ func (_m *AgentService_AlgoClient[Req, Res]) Send(_a0 *agent.AlgoRequest) error
 	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 {
+func (_m *AgentService_AlgoClient) SendMsg(m interface{}) error {
 	ret := _m.Called(m)
 
 	if len(ret) == 0 {
@@ -344,36 +172,8 @@ func (_m *AgentService_AlgoClient[Req, Res]) SendMsg(m interface{}) error {
 	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 {
+// Trailer provides a mock function with given fields:
+func (_m *AgentService_AlgoClient) Trailer() metadata.MD {
 	ret := _m.Called()
 
 	if len(ret) == 0 {
@@ -392,40 +192,13 @@ func (_m *AgentService_AlgoClient[Req, Res]) Trailer() 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 {
+func NewAgentService_AlgoClient(t interface {
 	mock.TestingT
 	Cleanup(func())
-}) *AgentService_AlgoClient[Req, Res] {
-	mock := &AgentService_AlgoClient[Req, Res]{}
+}) *AgentService_AlgoClient {
+	mock := &AgentService_AlgoClient{}
 	mock.Mock.Test(t)
 
 	t.Cleanup(func() { mock.AssertExpectations(t) })

agent/mocks/agent_grpc_data.go

@@ -1,8 +1,8 @@
+// Code generated by mockery v2.43.2. DO NOT EDIT.
+
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
-
 package mocks
 
 import (
@@ -16,20 +16,12 @@ import (
 )
 
 // AgentService_DataClient is an autogenerated mock type for the AgentService_DataClient type
-type AgentService_DataClient[Req interface{}, Res interface{}] struct {
+type AgentService_DataClient 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) {
+// CloseAndRecv provides a mock function with given fields:
+func (_m *AgentService_DataClient) CloseAndRecv() (*agent.DataResponse, error) {
 	ret := _m.Called()
 
 	if len(ret) == 0 {
@@ -58,35 +50,8 @@ func (_m *AgentService_DataClient[Req, Res]) CloseAndRecv() (*agent.DataResponse
 	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 {
+// CloseSend provides a mock function with given fields:
+func (_m *AgentService_DataClient) CloseSend() error {
 	ret := _m.Called()
 
 	if len(ret) == 0 {
@@ -103,35 +68,8 @@ func (_m *AgentService_DataClient[Req, Res]) CloseSend() error {
 	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 {
+// Context provides a mock function with given fields:
+func (_m *AgentService_DataClient) Context() context.Context {
 	ret := _m.Called()
 
 	if len(ret) == 0 {
@@ -150,35 +88,8 @@ func (_m *AgentService_DataClient[Req, Res]) Context() 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) {
+// Header provides a mock function with given fields:
+func (_m *AgentService_DataClient) Header() (metadata.MD, error) {
 	ret := _m.Called()
 
 	if len(ret) == 0 {
@@ -207,35 +118,8 @@ func (_m *AgentService_DataClient[Req, Res]) Header() (metadata.MD, error) {
 	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 {
+func (_m *AgentService_DataClient) RecvMsg(m interface{}) error {
 	ret := _m.Called(m)
 
 	if len(ret) == 0 {
@@ -252,36 +136,8 @@ func (_m *AgentService_DataClient[Req, Res]) RecvMsg(m interface{}) error {
 	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 {
+func (_m *AgentService_DataClient) Send(_a0 *agent.DataRequest) error {
 	ret := _m.Called(_a0)
 
 	if len(ret) == 0 {
@@ -298,36 +154,8 @@ func (_m *AgentService_DataClient[Req, Res]) Send(_a0 *agent.DataRequest) error
 	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 {
+func (_m *AgentService_DataClient) SendMsg(m interface{}) error {
 	ret := _m.Called(m)
 
 	if len(ret) == 0 {
@@ -344,36 +172,8 @@ func (_m *AgentService_DataClient[Req, Res]) SendMsg(m interface{}) error {
 	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 {
+// Trailer provides a mock function with given fields:
+func (_m *AgentService_DataClient) Trailer() metadata.MD {
 	ret := _m.Called()
 
 	if len(ret) == 0 {
@@ -392,40 +192,13 @@ func (_m *AgentService_DataClient[Req, Res]) Trailer() 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 {
+func NewAgentService_DataClient(t interface {
 	mock.TestingT
 	Cleanup(func())
-}) *AgentService_DataClient[Req, Res] {
-	mock := &AgentService_DataClient[Req, Res]{}
+}) *AgentService_DataClient {
+	mock := &AgentService_DataClient{}
 	mock.Mock.Test(t)
 
 	t.Cleanup(func() { mock.AssertExpectations(t) })

agent/service.go

@@ -6,6 +6,7 @@ package agent
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"log/slog"
 	"os"
@@ -13,7 +14,7 @@ import (
 	"slices"
 	sync "sync"
 
-	"github.com/absmach/magistrala/pkg/errors"
+	"github.com/google/go-sev-guest/client"
 	"github.com/ultravioletrs/cocos/agent/algorithm"
 	"github.com/ultravioletrs/cocos/agent/algorithm/binary"
 	"github.com/ultravioletrs/cocos/agent/algorithm/docker"
@@ -22,9 +23,6 @@ import (
 	"github.com/ultravioletrs/cocos/agent/events"
 	"github.com/ultravioletrs/cocos/agent/statemachine"
 	"github.com/ultravioletrs/cocos/internal"
-	"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"
 )
 
@@ -71,14 +69,11 @@ const (
 )
 
 const (
+	// ReportDataSize is the size of the report data expected by the attestation service.
+	ReportDataSize     = 64
 	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).
@@ -104,26 +99,15 @@ 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")
 )
 
 // Service specifies an API that must be fullfiled by the domain service
 // implementation, and all of its decorators (e.g. logging & metrics).
 type Service interface {
-	InitComputation(ctx context.Context, cmp Computation) error
-	StopComputation(ctx context.Context) error
 	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 attestation.PlatformType) ([]byte, error)
-	IMAMeasurements(ctx context.Context) ([]byte, []byte, error)
-	AttestationResult(ctx context.Context, nonce [vtpm.Nonce]byte, attType attestation.PlatformType) ([]byte, error)
-	State() string
+	Attestation(ctx context.Context, reportData [ReportDataSize]byte) ([]byte, error)
 }
 
 type agentService struct {
@@ -134,26 +118,22 @@ type agentService struct {
 	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.
+	quoteProvider   client.QuoteProvider      // 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, provider attestation.Provider, vmlp int) Service {
+func New(ctx context.Context, logger *slog.Logger, eventSvc events.Service, cmp Computation, quoteProvider client.QuoteProvider) Service {
 	sm := statemachine.NewStateMachine(Idle)
-	ctx, cancel := context.WithCancel(ctx)
 	svc := &agentService{
-		sm:       sm,
-		eventSvc: eventSvc,
-		provider: provider,
-		logger:   logger,
-		cancel:   cancel,
-		vmpl:     vmlp,
+		sm:            sm,
+		eventSvc:      eventSvc,
+		quoteProvider: quoteProvider,
+		logger:        logger,
+		computation:   cmp,
 	}
 
 	transitions := []statemachine.Transition{
@@ -161,6 +141,13 @@ func New(ctx context.Context, logger *slog.Logger, eventSvc events.Service, prov
 		{From: ReceivingManifest, Event: ManifestReceived, To: ReceivingAlgorithm},
 	}
 
+	if len(cmp.Datasets) == 0 {
+		transitions = append(transitions, statemachine.Transition{From: ReceivingAlgorithm, Event: AlgorithmReceived, To: Running})
+	} else {
+		transitions = append(transitions, statemachine.Transition{From: ReceivingAlgorithm, Event: AlgorithmReceived, To: ReceivingData})
+		transitions = append(transitions, statemachine.Transition{From: ReceivingData, Event: DataReceived, To: Running})
+	}
+
 	transitions = append(transitions, []statemachine.Transition{
 		{From: Running, Event: RunComplete, To: ConsumingResults},
 		{From: Running, Event: RunFailed, To: Failed},
@@ -171,6 +158,8 @@ func New(ctx context.Context, logger *slog.Logger, eventSvc events.Service, prov
 		sm.AddTransition(t)
 	}
 
+	sm.SetAction(Idle, svc.publishEvent(IdleState.String()))
+	sm.SetAction(ReceivingManifest, svc.publishEvent(InProgress.String()))
 	sm.SetAction(ReceivingAlgorithm, svc.publishEvent(InProgress.String()))
 	sm.SetAction(ReceivingData, svc.publishEvent(InProgress.String()))
 	sm.SetAction(Running, svc.runComputation)
@@ -184,84 +173,11 @@ func New(ctx context.Context, logger *slog.Logger, eventSvc events.Service, prov
 		}
 	}()
 	sm.SendEvent(Start)
+	defer sm.SendEvent(ManifestReceived)
 
 	return svc
 }
 
-func (as *agentService) State() string {
-	return as.sm.GetState().String()
-}
-
-func (as *agentService) InitComputation(ctx context.Context, cmp Computation) error {
-	if as.sm.GetState() != ReceivingManifest {
-		return ErrStateNotReady
-	}
-	defer as.sm.SendEvent(ManifestReceived)
-
-	as.mu.Lock()
-	defer as.mu.Unlock()
-
-	as.computation = cmp
-
-	transitions := []statemachine.Transition{}
-
-	if len(cmp.Datasets) == 0 {
-		transitions = append(transitions, statemachine.Transition{From: ReceivingAlgorithm, Event: AlgorithmReceived, To: Running})
-	} else {
-		transitions = append(transitions, statemachine.Transition{From: ReceivingAlgorithm, Event: AlgorithmReceived, To: ReceivingData})
-		transitions = append(transitions, statemachine.Transition{From: ReceivingData, Event: DataReceived, To: Running})
-	}
-
-	for _, t := range transitions {
-		as.sm.AddTransition(t)
-	}
-
-	return nil
-}
-
-func (as *agentService) StopComputation(ctx context.Context) error {
-	as.mu.Lock()
-	defer as.mu.Unlock()
-
-	as.eventSvc.SendEvent(as.computation.ID, "Stopped", "Stopped", json.RawMessage{})
-
-	as.cancel()
-
-	if as.algorithm != nil {
-		if err := as.algorithm.Stop(); err != nil {
-			return fmt.Errorf("error stopping computation: %v", err)
-		}
-	}
-
-	if err := os.RemoveAll(algorithm.DatasetsDir); err != nil {
-		return fmt.Errorf("error removing datasets directory: %v", err)
-	}
-
-	if err := os.RemoveAll(algorithm.ResultsDir); err != nil {
-		return fmt.Errorf("error removing results directory: %v", err)
-	}
-
-	as.sm.Reset(Idle)
-
-	as.computation = Computation{}
-	as.algorithm = nil
-	as.result = nil
-	as.runError = nil
-	as.resultsConsumed = false
-
-	ctx, cancel := context.WithCancel(ctx)
-	as.cancel = cancel
-
-	go func() {
-		if err := as.sm.Start(ctx); err != nil {
-			as.logger.Error(err.Error())
-		}
-	}()
-	as.sm.SendEvent(Start)
-
-	return nil
-}
-
 func (as *agentService) Algo(ctx context.Context, algo Algorithm) error {
 	if as.sm.GetState() != ReceivingAlgorithm {
 		return ErrStateNotReady
@@ -309,7 +225,7 @@ func (as *agentService) Algo(ctx context.Context, algo Algorithm) error {
 
 	switch algoType {
 	case string(algorithm.AlgoTypeBin):
-		as.algorithm = binary.NewAlgorithm(as.logger, as.eventSvc, f.Name(), args, as.computation.ID)
+		as.algorithm = binary.NewAlgorithm(as.logger, as.eventSvc, f.Name(), args)
 	case string(algorithm.AlgoTypePython):
 		var requirementsFile string
 		if len(algo.Requirements) > 0 {
@@ -327,11 +243,11 @@ func (as *agentService) Algo(ctx context.Context, algo Algorithm) error {
 			requirementsFile = fr.Name()
 		}
 		runtime := python.PythonRunTimeFromContext(ctx)
-		as.algorithm = python.NewAlgorithm(as.logger, as.eventSvc, runtime, requirementsFile, f.Name(), args, as.computation.ID)
+		as.algorithm = python.NewAlgorithm(as.logger, as.eventSvc, runtime, requirementsFile, f.Name(), args)
 	case string(algorithm.AlgoTypeWasm):
-		as.algorithm = wasm.NewAlgorithm(as.logger, as.eventSvc, args, f.Name(), as.computation.ID)
+		as.algorithm = wasm.NewAlgorithm(as.logger, as.eventSvc, f.Name(), args)
 	case string(algorithm.AlgoTypeDocker):
-		as.algorithm = docker.NewAlgorithm(as.logger, as.eventSvc, f.Name(), as.computation.ID)
+		as.algorithm = docker.NewAlgorithm(as.logger, as.eventSvc, f.Name())
 	}
 
 	if err := os.Mkdir(algorithm.DatasetsDir, 0o755); err != nil {
@@ -425,42 +341,13 @@ 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 attestation.PlatformType) ([]byte, error) {
-	switch attType {
-	case attestation.SNP:
-		rawQuote, err := as.provider.TeeAttestation(reportData[:])
-		if err != nil {
-			return []byte{}, errors.Wrap(ErrAttestationFailed, err)
-		}
-		return rawQuote, nil
-	case attestation.VTPM:
-		vTPMQuote, err := as.provider.VTpmAttestation(nonce[:])
-		if err != nil {
-			return []byte{}, errors.Wrap(ErrAttestationVTpmFailed, err)
-		}
-		return vTPMQuote, nil
-	case attestation.SNPvTPM:
-		vTPMQuote, err := as.provider.Attestation(reportData[:], nonce[:])
-		if err != nil {
-			return []byte{}, errors.Wrap(ErrAttestationVTpmFailed, err)
-		}
-		return vTPMQuote, nil
-	default:
-		return []byte{}, ErrAttestationType
+func (as *agentService) Attestation(ctx context.Context, reportData [ReportDataSize]byte) ([]byte, error) {
+	rawQuote, err := as.quoteProvider.GetRawQuote(reportData)
+	if err != nil {
+		return []byte{}, err
 	}
-}
 
-func (as *agentService) AttestationResult(ctx context.Context, nonce [vtpm.Nonce]byte, attType attestation.PlatformType) ([]byte, error) {
-	switch attType {
-	case attestation.AzureToken:
-		token, err := as.provider.AzureAttestationToken(nonce[:])
-		if err != nil {
-			return []byte{}, err
-		}
-		return token, nil
-	default:
-		return []byte{}, ErrAttestationType
-	}
+	return rawQuote, nil
 }
 
 func (as *agentService) runComputation(state statemachine.State) {
@@ -513,20 +400,8 @@ func (as *agentService) runComputation(state statemachine.State) {
 
 func (as *agentService) publishEvent(status string) statemachine.Action {
 	return func(state statemachine.State) {
-		as.eventSvc.SendEvent(as.computation.ID, state.String(), status, json.RawMessage{})
+		if err := as.eventSvc.SendEvent(state.String(), status, json.RawMessage{}); err != nil {
+			as.logger.Warn(err.Error())
+		}
 	}
 }
-
-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

@@ -20,10 +20,8 @@ import (
 	"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"
-	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
+	mocks2 "github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider/mocks"
 	"golang.org/x/crypto/sha3"
 	"google.golang.org/grpc/metadata"
 )
@@ -37,6 +35,14 @@ var (
 const datasetFile = "iris.csv"
 
 func TestAlgo(t *testing.T) {
+	events := new(mocks.Service)
+
+	evCall := events.On("SendEvent", mock.Anything, mock.Anything, mock.Anything).Return(nil)
+	defer evCall.Unset()
+
+	qp, err := quoteprovider.GetQuoteProvider()
+	require.NoError(t, err)
+
 	algo, err := os.ReadFile(algoPath)
 	require.NoError(t, err)
 
@@ -114,15 +120,9 @@ func TestAlgo(t *testing.T) {
 				metadata.Pairs(algorithm.AlgoTypeKey, tc.algoType, python.PyRuntimeKey, python.PyRuntime),
 			)
 
-			events := new(mocks.Service)
-			events.EXPECT().SendEvent(mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return()
-
 			ctx, cancel := context.WithCancel(ctx)
 			defer cancel()
-			svc := New(ctx, mglog.NewMock(), events, &attestation.EmptyProvider{}, 0)
-
-			err := svc.InitComputation(ctx, testComputation(t))
-			require.NoError(t, err)
+			svc := New(ctx, mglog.NewMock(), events, testComputation(t), qp)
 
 			time.Sleep(300 * time.Millisecond)
 
@@ -138,6 +138,14 @@ func TestAlgo(t *testing.T) {
 }
 
 func TestData(t *testing.T) {
+	events := new(mocks.Service)
+
+	evCall := events.On("SendEvent", mock.Anything, mock.Anything, mock.Anything).Return(nil)
+	defer evCall.Unset()
+
+	qp, err := quoteprovider.GetQuoteProvider()
+	require.NoError(t, err)
+
 	algo, err := os.ReadFile(algoPath)
 	require.NoError(t, err)
 
@@ -201,9 +209,6 @@ func TestData(t *testing.T) {
 					python.PyRuntimeKey, python.PyRuntime),
 			)
 
-			events := new(mocks.Service)
-			events.EXPECT().SendEvent(mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return()
-
 			if tc.err != ErrUndeclaredDataset {
 				ctx = IndexToContext(ctx, 0)
 			}
@@ -211,16 +216,13 @@ func TestData(t *testing.T) {
 			ctx, cancel := context.WithCancel(ctx)
 			defer cancel()
 
-			svc := New(ctx, mglog.NewMock(), events, &attestation.EmptyProvider{}, 0)
-
-			err := svc.InitComputation(ctx, testComputation(t))
-			require.NoError(t, err)
+			comp := testComputation(t)
 
+			svc := New(ctx, mglog.NewMock(), events, comp, qp)
 			time.Sleep(300 * time.Millisecond)
 
 			if tc.err != ErrStateNotReady {
-				err = svc.Algo(ctx, alg)
-				require.NoError(t, err)
+				_ = svc.Algo(ctx, alg)
 				time.Sleep(300 * time.Millisecond)
 			}
 			err = svc.Data(ctx, tc.data)
@@ -236,6 +238,14 @@ func TestData(t *testing.T) {
 }
 
 func TestResult(t *testing.T) {
+	events := new(mocks.Service)
+
+	evCall := events.On("SendEvent", mock.Anything, mock.Anything, mock.Anything).Return(nil)
+	defer evCall.Unset()
+
+	qp, err := quoteprovider.GetQuoteProvider()
+	require.NoError(t, err)
+
 	cases := []struct {
 		name     string
 		err      error
@@ -275,9 +285,6 @@ func TestResult(t *testing.T) {
 	}
 
 	for _, tc := range cases {
-		events := new(mocks.Service)
-		events.EXPECT().SendEvent(mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return()
-
 		t.Run(tc.name, func(t *testing.T) {
 			ctx := metadata.NewIncomingContext(context.Background(),
 				metadata.Pairs(algorithm.AlgoTypeKey, "python", python.PyRuntimeKey, python.PyRuntime),
@@ -293,10 +300,10 @@ func TestResult(t *testing.T) {
 			sm.On("SendEvent", mock.Anything).Return()
 
 			svc := &agentService{
-				sm:          sm,
-				eventSvc:    events,
-				provider:    &attestation.EmptyProvider{},
-				computation: testComputation(t),
+				sm:            sm,
+				eventSvc:      events,
+				quoteProvider: qp,
+				computation:   testComputation(t),
 			}
 
 			go func() {
@@ -316,144 +323,55 @@ func TestResult(t *testing.T) {
 }
 
 func TestAttestation(t *testing.T) {
-	provider := new(mocks2.Provider)
+	events := new(mocks.Service)
+	qp := new(mocks2.QuoteProvider)
+
+	evCall := events.On("SendEvent", mock.Anything, mock.Anything, mock.Anything).Return(nil)
+	defer evCall.Unset()
 
 	cases := []struct {
 		name       string
-		reportData [quoteprovider.Nonce]byte
-		nonce      [vtpm.Nonce]byte
+		reportData [ReportDataSize]byte
 		rawQuote   []uint8
-		platform   attestation.PlatformType
 		err        error
 	}{
 		{
-			name:       "Test SNP attestation successful",
+			name:       "Test attestation successful",
 			reportData: generateReportData(),
-			nonce:      [32]byte{},
 			rawQuote:   make([]uint8, 0),
-			platform:   attestation.SNP,
 			err:        nil,
 		},
 		{
-			name:       "Test SNP attestation failed",
+			name:       "Test 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) {
-			events := new(mocks.Service)
-			events.EXPECT().SendEvent(mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return()
-
 			ctx := metadata.NewIncomingContext(context.Background(),
 				metadata.Pairs(algorithm.AlgoTypeKey, "python", python.PyRuntimeKey, python.PyRuntime),
 			)
 			ctx, cancel := context.WithCancel(ctx)
 			defer cancel()
 
-			getQuote := provider.On("TeeAttestation", mock.Anything).Return(tc.rawQuote, tc.err)
-			if tc.err != ErrAttestationFailed && tc.err != ErrAttestationVTpmFailed {
-				getQuote = provider.On("TeeAttestation", mock.Anything).Return(tc.nonce, nil)
+			getQuote := qp.On("GetRawQuote", mock.Anything).Return(tc.rawQuote, tc.err)
+			if tc.err != ErrAttestationFailed {
+				getQuote = qp.On("GetRawQuote", mock.Anything).Return(tc.reportData, nil)
 			}
 			defer getQuote.Unset()
 
-			svc := New(ctx, mglog.NewMock(), events, provider, 0)
+			svc := New(ctx, mglog.NewMock(), events, testComputation(t), qp)
 			time.Sleep(300 * time.Millisecond)
-			_, err := svc.Attestation(ctx, tc.reportData, tc.nonce, 0)
+			_, err := svc.Attestation(ctx, tc.reportData)
 			assert.True(t, errors.Contains(err, tc.err), "expected %v, got %v", tc.err, err)
 		})
 	}
 }
 
-func TestAttestationResult(t *testing.T) {
-	provider := new(mocks2.Provider)
-	cases := []struct {
-		name     string
-		nonce    [vtpm.Nonce]byte
-		platform attestation.PlatformType
-		token    []byte
-		err      error
-	}{
-		{
-			name:     "Azure token fetch successful",
-			nonce:    [32]byte{1, 2, 3}, // any test nonce
-			platform: attestation.AzureToken,
-			token:    []byte("mockToken"),
-			err:      nil,
-		},
-		{
-			name:     "Azure token fetch failed",
-			nonce:    [32]byte{4, 5, 6},
-			platform: attestation.AzureToken,
-			token:    []byte{},
-			err:      ErrFetchAzureToken,
-		},
-		{
-			name:     "Invalid attestation type",
-			nonce:    [32]byte{7, 8, 9},
-			platform: attestation.SNP,
-			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()
-
-			if tc.platform == attestation.AzureToken {
-				provider.On("AzureAttestationToken", tc.nonce[:]).Return(tc.token, tc.err)
-			}
-
-			ctx := context.Background()
-
-			svc := New(ctx, mglog.NewMock(), events, provider, 0)
-
-			result, err := svc.AttestationResult(ctx, tc.nonce, tc.platform)
-			assert.True(t, errors.Contains(err, tc.err), "expected error %v, got %v", tc.err, err)
-			assert.Equal(t, tc.token, result)
-		})
-	}
-}
-
-func generateReportData() [quoteprovider.Nonce]byte {
-	bytes := make([]byte, quoteprovider.Nonce)
+func generateReportData() [ReportDataSize]byte {
+	bytes := make([]byte, ReportDataSize)
 	_, err := rand.Read(bytes)
 	if err != nil {
 		log.Fatalf("Failed to generate random bytes: %v", err)
@@ -479,5 +397,10 @@ func testComputation(t *testing.T) Computation {
 		Datasets:        []Dataset{{Hash: dataHash, UserKey: []byte("key"), Dataset: data, Filename: datasetFile}},
 		Algorithm:       Algorithm{Hash: algoHash, UserKey: []byte("key"), Algorithm: algo},
 		ResultConsumers: []ResultConsumer{{UserKey: []byte("key")}},
+		AgentConfig: AgentConfig{
+			Port:        "7002",
+			LogLevel:    "debug",
+			AttestedTls: false,
+		},
 	}
 }

agent/statemachine/mocks/state.go

@@ -1,7 +1,7 @@
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
+// Code generated by mockery v2.43.2. DO NOT EDIT.
 
 package mocks
 
@@ -54,11 +54,11 @@ func (_c *StateMachine_AddTransition_Call) Return() *StateMachine_AddTransition_
 }
 
 func (_c *StateMachine_AddTransition_Call) RunAndReturn(run func(statemachine.Transition)) *StateMachine_AddTransition_Call {
-	_c.Run(run)
+	_c.Call.Return(run)
 	return _c
 }
 
-// GetState provides a mock function with no fields
+// GetState provides a mock function with given fields:
 func (_m *StateMachine) GetState() statemachine.State {
 	ret := _m.Called()
 
@@ -105,39 +105,6 @@ 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)
-}
-
-// StateMachine_Reset_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Reset'
-type StateMachine_Reset_Call struct {
-	*mock.Call
-}
-
-// Reset is a helper method to define mock.On call
-//   - initialState statemachine.State
-func (_e *StateMachine_Expecter) Reset(initialState interface{}) *StateMachine_Reset_Call {
-	return &StateMachine_Reset_Call{Call: _e.mock.On("Reset", initialState)}
-}
-
-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))
-	})
-	return _c
-}
-
-func (_c *StateMachine_Reset_Call) Return() *StateMachine_Reset_Call {
-	_c.Call.Return()
-	return _c
-}
-
-func (_c *StateMachine_Reset_Call) RunAndReturn(run func(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)
@@ -167,7 +134,7 @@ func (_c *StateMachine_SendEvent_Call) Return() *StateMachine_SendEvent_Call {
 }
 
 func (_c *StateMachine_SendEvent_Call) RunAndReturn(run func(statemachine.Event)) *StateMachine_SendEvent_Call {
-	_c.Run(run)
+	_c.Call.Return(run)
 	return _c
 }
 
@@ -201,7 +168,7 @@ func (_c *StateMachine_SetAction_Call) Return() *StateMachine_SetAction_Call {
 }
 
 func (_c *StateMachine_SetAction_Call) RunAndReturn(run func(statemachine.State, statemachine.Action)) *StateMachine_SetAction_Call {
-	_c.Run(run)
+	_c.Call.Return(run)
 	return _c
 }
 

agent/statemachine/state.go

@@ -30,7 +30,6 @@ type StateMachine interface {
 	GetState() State
 	SendEvent(event Event)
 	Start(ctx context.Context) error
-	Reset(initialState State)
 }
 
 type stateMachine struct {
@@ -90,20 +89,6 @@ func (sm *stateMachine) Start(ctx context.Context) error {
 	}
 }
 
-func (sm *stateMachine) Reset(initialState State) {
-	sm.mu.Lock()
-	defer sm.mu.Unlock()
-
-	// Reset current state to initial state
-	sm.currentState = initialState
-
-	// Close the existing event channel to stop processing events
-	close(sm.eventChan)
-
-	// Create a new event channel
-	sm.eventChan = make(chan Event)
-}
-
 func (sm *stateMachine) handleEvent(event Event) error {
 	sm.mu.Lock()
 	currentState := sm.currentState

attestation.go

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

cli/README.md

@@ -100,22 +100,3 @@ When defining the manifest dataset and algorithm checksums are required. This ca
 ```bash
 ./build/cocos-cli checksum <path_to_dataset_or_algorithm>
 ```
-
-#### Measure IGVM file
-We assume that our current working directory is the root of the cocos repository, both on the host machine and in the VM.
-
-`igvmmeasure` calculates the launch measurement for an IGVM file and can generate a signed version. It ensures integrity by precomputing the expected launch digest, which can be verified against the attestation report. The tool parses IGVM directives, outputs the measurement as a hex string, or creates a signed file for verification at guest launch.
-
-##### Example
-We measure an IGVM file using our measure command, run:
-
-```bash
-./build/cocos-cli igvmmeasure /path/to/igvm/file
-```
-
-The tool will parse the directives in the IGVM file, calculate the launch measurement, and output the computed digest. If successful, it prints the measurement to standard output.
-
-Here is a sample output
-```
-91c4929bec2d0ecf11a708e09f0a57d7d82208bcba2451564444a4b01c22d047995ca27f9053f86de4e8063e9f810548
-```

cli/attestation.go

@@ -3,11 +3,9 @@
 package cli
 
 import (
-	"encoding/base64"
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
-	"io"
 	"os"
 	"strconv"
 	"strings"
@@ -19,45 +17,35 @@ import (
 	"github.com/google/go-sev-guest/proto/check"
 	"github.com/google/go-sev-guest/proto/sevsnp"
 	"github.com/google/go-sev-guest/tools/lib/report"
-	tpmAttest "github.com/google/go-tpm-tools/proto/attest"
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
-	"github.com/ultravioletrs/cocos/pkg/attestation"
-	"github.com/ultravioletrs/cocos/pkg/attestation/azure"
+	"github.com/ultravioletrs/cocos/agent"
 	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
-	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
 	"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"
-	size16                    = 16
-	size32                    = 32
-	size48                    = 48
-	size64                    = 64
-	attestationFilePath       = "attestation.bin"
-	azureAttestResultFilePath = "azure_attest_result.json"
-	azureAttestTokenFilePath  = "azure_attest_token.jwt"
-	vtpmFilePath              = "../quote.dat"
-	attestationReportJson     = "attestation.json"
-	sevProductNameMilan       = "Milan"
-	sevProductNameGenoa       = "Genoa"
-	FormatBinaryPB            = "binarypb"
-	FormatTextProto           = "textproto"
-	exampleJSONConfig         = `
+	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"
+	size16                  = 16
+	size32                  = 32
+	size48                  = 48
+	size64                  = 64
+	attestationFilePath     = "attestation.bin"
+	attestationJson         = "attestation.json"
+	sevProductNameMilan     = "Milan"
+	sevProductNameGenoa     = "Genoa"
+	exampleJSONConfig       = `
 	{
 		"rootOfTrust":{
 		   "product":"test_product",
@@ -110,48 +98,29 @@ const (
 		}
 	}
 	`
-	SNP        = "snp"
-	VTPM       = "vtpm"
-	SNPvTPM    = "snp-vtpm"
-	AzureToken = "azure-token"
-	CCNone     = "none"
-	CCAzure    = "azure"
-	CCGCP      = "gcp"
 )
 
 var (
-	mode                          string
-	cfg                           = check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
-	cfgString                     string
-	timeout                       time.Duration
-	maxRetryDelay                 time.Duration
-	platformInfo                  string
-	stepping                      string
-	trustedAuthorKeys             []string
-	trustedAuthorHashes           []string
-	trustedIdKeys                 []string
-	trustedIdKeyHashes            []string
-	attestationFile               string
-	tpmAttestationFile            string
-	attestationRaw                []byte
-	empty16                       = [size16]byte{}
-	empty32                       = [size32]byte{}
-	empty64                       = [size64]byte{}
-	defaultReportIdMa             = []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255}
-	errReportSize                 = errors.New("attestation contents too small")
-	ErrBadAttestation             = errors.New("attestation file is corrupted or in wrong format")
-	output                        string
-	nonce                         []byte
-	format                        string
-	teeNonce                      []byte
-	tokenNonce                    []byte
-	getTextProtoAttestationReport bool
-	getAzureTokenJWT              bool
-	cloud                         string
+	cfg                 = check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
+	cfgString           string
+	timeout             time.Duration
+	maxRetryDelay       time.Duration
+	platformInfo        string
+	stepping            string
+	trustedAuthorKeys   []string
+	trustedAuthorHashes []string
+	trustedIdKeys       []string
+	trustedIdKeyHashes  []string
+	attestationFile     string
+	attestation         []byte
+	empty16             = [size16]byte{}
+	empty32             = [size32]byte{}
+	empty64             = [size64]byte{}
+	defaultReportIdMa   = []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255}
+	getJsonAttestation  bool
+	errReportSize       = errors.New("attestation contents too small")
 )
 
-var errEmptyFile = errors.New("input file is empty")
-
 func (cli *CLI) NewAttestationCmd() *cobra.Command {
 	return &cobra.Command{
 		Use:   "attestation [command]",
@@ -184,96 +153,32 @@ func (cli *CLI) NewAttestationCmd() *cobra.Command {
 
 func (cli *CLI) NewGetAttestationCmd() *cobra.Command {
 	cmd := &cobra.Command{
-		Use:       "get",
-		Short:     "Retrieve attestation information from agent. The argument of the command must be the type of the report (snp or vtpm or snp-vtpm).",
-		ValidArgs: []cobra.Completion{SNP, VTPM, SNPvTPM, AzureToken},
-		Example: fmt.Sprintf(`Based on attestation report type:
-		get %s --tee <512 bit hex value>
-		get %s --vtpm <256 bit hex value>
-		get %s --tee <512 bit hex value> --vtpm <256 bit hex value>
-		get %s --token <256 bit hex value>`, SNP, VTPM, SNPvTPM, AzureToken),
-		Args: cobra.ExactArgs(1),
+		Use:     "get",
+		Short:   "Retrieve attestation information from agent. Report data expected in hex enoded string of length 64 bytes.",
+		Example: "get <report_data>",
+		Args:    cobra.ExactArgs(1),
 		Run: func(cmd *cobra.Command, args []string) {
 			if cli.connectErr != nil {
 				printError(cmd, "Failed to connect to agent: %v ❌ ", cli.connectErr)
 				return
 			}
 
-			if err := cobra.OnlyValidArgs(cmd, args); err != nil {
-				printError(cmd, "Bad attestation type: %v ❌ ", err)
+			cmd.Println("Getting attestation")
+
+			reportData, err := hex.DecodeString(args[0])
+			if err != nil {
+				printError(cmd, "Error decoding report data: %v ❌ ", err)
 				return
 			}
-
-			attestationType := args[0]
-
-			attType := attestation.SNP
-			switch attestationType {
-			case SNP:
-				cmd.Println("Fetching SEV-SNP attestation report")
-			case VTPM:
-				cmd.Println("Fetching vTPM report")
-				attType = attestation.VTPM
-			case SNPvTPM:
-				cmd.Println("Fetching SEV-SNP and vTPM report")
-				attType = attestation.SNPvTPM
-			case AzureToken:
-				cmd.Println("Fetching Azure token")
-				attType = attestation.AzureToken
-			}
-
-			if (attType == attestation.VTPM || attType == attestation.SNPvTPM) && len(nonce) == 0 {
-				msg := color.New(color.FgRed).Sprint("vTPM nonce must be defined for vTPM attestation ❌ ")
+			if len(reportData) != agent.ReportDataSize {
+				msg := color.New(color.FgRed).Sprintf("report data must be a hex encoded string of length %d bytes ❌ ", agent.ReportDataSize)
 				cmd.Println(msg)
 				return
 			}
 
-			if (attType == attestation.SNP || attType == attestation.SNPvTPM) && len(teeNonce) == 0 {
-				msg := color.New(color.FgRed).Sprint("TEE nonce must be defined for SEV-SNP attestation ❌ ")
-				cmd.Println(msg)
-				return
-			}
-
-			if (attType == attestation.AzureToken) && len(tokenNonce) == 0 {
-				msg := color.New(color.FgRed).Sprint("Token nonce must be defined for Azure attestation ❌ ")
-				cmd.Println(msg)
-				return
-			}
-
-			var fixedReportData [quoteprovider.Nonce]byte
-			if attType == attestation.SNP || attType == attestation.SNPvTPM {
-				if len(teeNonce) > quoteprovider.Nonce {
-					msg := color.New(color.FgRed).Sprintf("nonce must be a hex encoded string of length lesser or equal %d bytes ❌ ", quoteprovider.Nonce)
-					cmd.Println(msg)
-					return
-				}
-
-				copy(fixedReportData[:], teeNonce)
-			}
-
-			var fixedVtpmNonceByte [vtpm.Nonce]byte
-			if attType != attestation.SNP {
-				if (len(nonce) > vtpm.Nonce) || (len(tokenNonce) > vtpm.Nonce) {
-					msg := color.New(color.FgRed).Sprintf("vTPM nonce must be a hex encoded string of length lesser or equal %d bytes ❌ ", vtpm.Nonce)
-					cmd.Println(msg)
-					return
-				}
-				if attType == attestation.AzureToken {
-					copy(fixedVtpmNonceByte[:], tokenNonce)
-				} else {
-					copy(fixedVtpmNonceByte[:], nonce)
-				}
-			}
-
 			filename := attestationFilePath
-
-			if attType == attestation.AzureToken {
-				filename = azureAttestResultFilePath
-			}
-
-			if getTextProtoAttestationReport {
-				filename = attestationReportJson
-			} else if getAzureTokenJWT {
-				filename = azureAttestTokenFilePath
+			if getJsonAttestation {
+				filename = attestationJson
 			}
 
 			attestationFile, err := os.Create(filename)
@@ -282,21 +187,9 @@ func (cli *CLI) NewGetAttestationCmd() *cobra.Command {
 				return
 			}
 
-			var returnJsonAzureToken bool
-
-			if attType == attestation.AzureToken {
-				err := cli.agentSDK.AttestationResult(cmd.Context(), fixedVtpmNonceByte, int(attType), attestationFile)
-				if err != nil {
-					printError(cmd, "Failed to get attestation result due to error: %v ❌", err)
-					return
-				}
-				returnJsonAzureToken = !getAzureTokenJWT
-			} else {
-				err := cli.agentSDK.Attestation(cmd.Context(), fixedReportData, fixedVtpmNonceByte, int(attType), attestationFile)
-				if err != nil {
-					printError(cmd, "Failed to get attestation due to error: %v ❌", err)
-					return
-				}
+			if err := cli.agentSDK.Attestation(cmd.Context(), [agent.ReportDataSize]byte(reportData), attestationFile); err != nil {
+				printError(cmd, "Failed to get attestation due to error: %v ❌ ", err)
+				return
 			}
 
 			if err := attestationFile.Close(); err != nil {
@@ -304,40 +197,17 @@ func (cli *CLI) NewGetAttestationCmd() *cobra.Command {
 				return
 			}
 
-			if getTextProtoAttestationReport || returnJsonAzureToken {
+			if getJsonAttestation {
 				result, err := os.ReadFile(filename)
 				if err != nil {
 					printError(cmd, "Error reading attestation file: %v ❌ ", err)
 					return
 				}
 
-				switch attestationType {
-				case SNP:
-					result, err = attesationToJSON(result)
-					if err != nil {
-						printError(cmd, "Error converting SNP attestation to JSON: %v ❌", err)
-						return
-					}
-
-				case VTPM, SNPvTPM:
-					marshalOptions := prototext.MarshalOptions{
-						Multiline: true,
-						EmitASCII: true,
-					}
-					var attvTPM tpmAttest.Attestation
-					err = proto.Unmarshal(result, &attvTPM)
-					if err != nil {
-						printError(cmd, "Failed to unmarshal the attestation report: %v ❌", err)
-						return
-					}
-					result = []byte(marshalOptions.Format(&attvTPM))
-
-				case AzureToken:
-					result, err = decodeJWTToJSON(result)
-					if err != nil {
-						printError(cmd, "Error decoding Azure token: %v ❌", err)
-						return
-					}
+				result, err = attesationToJSON(result)
+				if err != nil {
+					printError(cmd, "Error converting attestation to json: %v ❌ ", err)
+					return
 				}
 
 				if err := os.WriteFile(filename, result, 0o644); err != nil {
@@ -350,11 +220,7 @@ func (cli *CLI) NewGetAttestationCmd() *cobra.Command {
 		},
 	}
 
-	cmd.Flags().BoolVarP(&getAzureTokenJWT, "azurejwt", "t", false, "Get azure attestation token as jwt format")
-	cmd.Flags().BoolVarP(&getTextProtoAttestationReport, "reporttextproto", "r", false, "Get attestation report in textproto format")
-	cmd.Flags().BytesHexVar(&teeNonce, "tee", []byte{}, "Define the nonce for the SNP attestation report (must be used with attestation type snp and snp-vtpm)")
-	cmd.Flags().BytesHexVar(&nonce, "vtpm", []byte{}, "Define the nonce for the vTPM attestation report (must be used with attestation type vtpm and snp-vtpm)")
-	cmd.Flags().BytesHexVar(&tokenNonce, "token", []byte{}, "Define the nonce for the Azure attestation token (must be used with attestation type azure-token)")
+	cmd.Flags().BoolVarP(&getJsonAttestation, "json", "j", false, "Get attestation in json format")
 
 	return cmd
 }
@@ -386,137 +252,52 @@ func isFileJSON(filename string) bool {
 
 func (cli *CLI) NewValidateAttestationValidationCmd() *cobra.Command {
 	cmd := &cobra.Command{
-		Use:   "validate",
-		Short: fmt.Sprintf("Validate and verify attestation information. You can define the confidential computing cloud provider (%s, %s, %s; %s is the default) and can choose from 3 modes: %s, %s and %s. Default mode is %s.", CCNone, CCAzure, CCGCP, CCNone, SNP, VTPM, SNPvTPM, SNP),
-		Example: `Based on mode:
-		validate <attestationreportfilepath> --report_data <reportdata> --product <product data> --platform <cc platform> //default
-		validate --mode snp <attestationreportfilepath> --report_data <reportdata> --product <product data>
-		validate --mode vtpm <attestationreportfilepath> --nonce <noncevalue> --format <formatvalue>  --output <outputvalue>
-		validate --mode snp-vtpm <attestationreportfilepath> --report_data <reportdata> --product <product data> --nonce <noncevalue> --format <formatvalue>  --output <outputvalue>
-		validate --cloud none --mode snp <attestationreportfilepath> --report_data <reportdata> --product <product data>
-		validate --cloud azure --mode vtpm <attestationreportfilepath> --nonce <noncevalue> --format <formatvalue>  --output <outputvalue>
-		validate --cloud gcp --mode snp-vtpm <attestationreportfilepath> --report_data <reportdata> --product <product data> --nonce <noncevalue> --format <formatvalue>  --output <outputvalue>`,
-		PreRunE: func(cmd *cobra.Command, args []string) error {
-			mode, _ := cmd.Flags().GetString("mode")
-			if len(args) != 1 {
-				return fmt.Errorf("please pass the attestation report file path")
+		Use:     "validate",
+		Short:   "Validate and verify attestation information. The report is provided as a file path.",
+		Example: "validate <attestation_report_file_path>",
+		Args:    cobra.ExactArgs(1),
+		Run: func(cmd *cobra.Command, args []string) {
+			cmd.Println("Checking attestation")
+
+			attestationFile = string(args[0])
+
+			if err := parseConfig(); err != nil {
+				printError(cmd, "Error parsing config: %v ❌ ", err)
+				return
+			}
+			if err := parseHashes(); err != nil {
+				printError(cmd, "Error parsing hashes: %v ❌ ", err)
+				return
+			}
+			if err := parseFiles(); err != nil {
+				printError(cmd, "Error parsing files: %v ❌ ", err)
+				return
+			}
+			// This format is the attestation report in AMD's specified ABI format, immediately
+			// followed by the certificate table bytes.
+			if len(attestation) < abi.ReportSize {
+				msg := color.New(color.FgRed).Sprintf("attestation contents too small (0x%x bytes). Want at least 0x%x bytes ❌ ", len(attestation), abi.ReportSize)
+				cmd.Println(msg)
+				return
+			}
+			if err := parseUints(); err != nil {
+				printError(cmd, "Error parsing uints: %v ❌ ", err)
+				return
+			}
+			cfg.Policy.Vmpl = wrapperspb.UInt32(0)
+
+			if err := validateInput(); err != nil {
+				printError(cmd, "Error validating input: %v ❌ ", err)
+				return
 			}
 
-			// Validate flags based on the mode
-			switch mode {
-			case SNP:
-				if err := cmd.MarkFlagRequired("report_data"); err != nil {
-					return fmt.Errorf("failed to mark 'report_data' as required for SEV-%s mode: %v", SNP, err)
-				}
-				if err := cmd.MarkFlagRequired("product"); err != nil {
-					return fmt.Errorf("failed to mark flag as required: %v ❌ ", err)
-				}
-			case SNPvTPM:
-				if err := cmd.MarkFlagRequired("nonce"); err != nil {
-					return fmt.Errorf("failed to mark 'nonce' as required for %s mode: %v", VTPM, err)
-				}
-				if err := cmd.MarkFlagRequired("report_data"); err != nil {
-					return fmt.Errorf("failed to mark 'report_data' as required for SEV-%s mode: %v", SNP, err)
-				}
-				if err := cmd.MarkFlagRequired("product"); err != nil {
-					return fmt.Errorf("failed to mark flag as required: %v ❌ ", err)
-				}
-				if err := cmd.MarkFlagRequired("format"); err != nil {
-					return fmt.Errorf("failed to mark 'format' as required for %s mode: %v", VTPM, err)
-				}
-				if err := cmd.MarkFlagRequired("output"); err != nil {
-					return fmt.Errorf("failed to mark 'output' as required for %s mode: %v", VTPM, err)
-				}
-			case VTPM:
-				if err := cmd.MarkFlagRequired("nonce"); err != nil {
-					return fmt.Errorf("failed to mark 'nonce' as required for %s mode: %v", VTPM, err)
-				}
-				if err := cmd.MarkFlagRequired("format"); err != nil {
-					return fmt.Errorf("failed to mark 'format' as required for %s mode: %v", VTPM, err)
-				}
-				if err := cmd.MarkFlagRequired("output"); err != nil {
-					return fmt.Errorf("failed to mark 'output' as required for %s mode: %v", VTPM, err)
-				}
-			default:
-				return fmt.Errorf("unknown mode: %s", mode)
+			if err := quoteprovider.VerifyAndValidate(attestation, &cfg); err != nil {
+				printError(cmd, "Attestation validation and verification failed with error: %v ❌ ", err)
+				return
 			}
-			return nil
+			cmd.Println("Attestation validation and verification is successful!")
 		},
-		RunE: func(cmd *cobra.Command, args []string) error {
-			mode, _ := cmd.Flags().GetString("mode")
-			cloud, _ := cmd.Flags().GetString("cloud")
-
-			output, err := createOutputFile()
-			if err != nil {
-				return fmt.Errorf("failed to create output file: %v ❌ ", err)
-			}
-			if closer, ok := output.(*os.File); ok {
-				defer closer.Close()
-			}
-
-			var provider attestation.Provider
-			switch cloud {
-			case CCNone:
-				provider = vtpm.New(nil, false, 0, output)
-			case CCAzure:
-				provider = azure.New(output)
-			case CCGCP:
-				provider = vtpm.New(nil, false, 0, output)
-			default:
-				provider = vtpm.New(nil, false, 0, output)
-			}
-
-			switch mode {
-			case SNP:
-				return sevsnpverify(cmd, provider, args)
-			case SNPvTPM:
-				return vtpmSevSnpverify(args, provider)
-			case VTPM:
-				return vtpmverify(args, provider)
-			default:
-				return fmt.Errorf("unknown mode: %s", mode)
-			}
-		},
-		SilenceUsage:  true,
-		SilenceErrors: true,
 	}
-	cmd.Flags().StringVar(
-		&cloud,
-		"cloud",
-		"none", // default CC provider
-		"The confidential computing cloud provider. Example: azure",
-	)
-
-	cmd.Flags().StringVar(
-		&mode,
-		"mode",
-		"snp", // default mode
-		"The attestation validation mode. Example: snp",
-	)
-
-	// VTPM FLAGS
-	cmd.Flags().BytesHexVar(
-		&nonce,
-		"nonce",
-		[]byte{},
-		"hex encoded nonce for vTPM attestation, cannot be empty",
-	)
-
-	cmd.Flags().StringVar(
-		&format,
-		"format",
-		"binarypb", // default value
-		"type of output file where attestation report stored <binarypb|textproto>",
-	)
-
-	cmd.Flags().StringVar(
-		&output,
-		"output",
-		"",
-		"output file",
-	)
-
-	// SEV-SNP FLAGS
 	cmd.Flags().StringVar(
 		&cfgString,
 		"config",
@@ -692,180 +473,19 @@ func (cli *CLI) NewValidateAttestationValidationCmd() *cobra.Command {
 		"PEM format CA bundles for the AMD product. Combined with contents of cabundle_paths.",
 	)
 
+	if err := cmd.MarkFlagRequired("report_data"); err != nil {
+		printError(cmd, "Failed to mark flag as required: %v ❌ ", err)
+		return nil
+	}
+
+	if err := cmd.MarkFlagRequired("product"); err != nil {
+		printError(cmd, "Failed to mark flag as required: %v ❌ ", err)
+		return nil
+	}
+
 	return cmd
 }
 
-func (cli *CLI) NewMeasureCmd(igvmBinaryPath string) *cobra.Command {
-	igvmmeasureCmd := &cobra.Command{
-		Use:   "igvmmeasure <INPUT>",
-		Short: "Measure an IGVM file",
-		Long: `igvmmeasure measures an IGVM file and outputs the calculated measurement.
-			It ensures integrity verification for the IGVM file.`,
-
-		Args: cobra.MinimumNArgs(1),
-		RunE: func(cmd *cobra.Command, args []string) error {
-			if len(args) == 0 {
-				return fmt.Errorf("error: No input file provided")
-			}
-
-			inputFile := args[0]
-
-			measurement, err := cli.measurement.Run(inputFile)
-			if err != nil {
-				return err
-			}
-
-			outputString := string(measurement)
-			lines := strings.Split(strings.TrimSpace(outputString), "\n")
-
-			if len(lines) == 1 {
-				outputString = strings.ToLower(outputString)
-			} else {
-				return fmt.Errorf("error: %s", outputString)
-			}
-
-			cmd.Print(outputString)
-
-			return nil
-		},
-	}
-
-	return igvmmeasureCmd
-}
-
-func sevsnpverify(cmd *cobra.Command, provider attestation.Provider, 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
-	}
-
-	// Used for verification of SNP attestation report
-	attestation.AttestationPolicy.Config = &cfg
-
-	if err := provider.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, provider attestation.Provider) error {
-	attest, err := returnvTPMAttestation(args)
-	if err != nil {
-		return err
-	}
-
-	if err := parseAttestationConfig(); err != nil {
-		return err
-	}
-
-	// Used for verification of SNP attestation report
-	attestation.AttestationPolicy.Config = &cfg
-
-	if err := provider.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, provider attestation.Provider) error {
-	attestation, err := returnvTPMAttestation(args)
-	if err != nil {
-		return err
-	}
-
-	if err := provider.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) {
-	tpmAttestationFile = 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
-}
-
-func openInputFile() (io.Reader, error) {
-	if tpmAttestationFile == "" {
-		return nil, errEmptyFile
-	}
-	return os.Open(tpmAttestationFile)
-}
-
-func createOutputFile() (io.Writer, error) {
-	if output == "" {
-		return os.Stdout, nil
-	}
-	return os.Create(output)
-}
-
 // parseConfig decodes config passed as json for check.Config struct.
 // example
 /* {
@@ -954,23 +574,19 @@ func parseHashes() error {
 	return nil
 }
 
-func parseAttestationFile() error {
+func parseFiles() error {
 	file, err := os.ReadFile(attestationFile)
 	if err != nil {
 		return err
 	}
-	attestationRaw = file
+	attestation = file
 	if isFileJSON(attestationFile) {
-		attestationRaw, err = attesationFromJSON(attestationRaw)
+		attestation, err = attesationFromJSON(attestation)
 		if err != nil {
 			return err
 		}
 	}
 
-	return nil
-}
-
-func parseTrustedKeys() error {
 	for _, path := range trustedAuthorKeys {
 		file, err := os.ReadFile(path)
 		if err != nil {
@@ -1083,47 +699,3 @@ func validateFieldLength(fieldName string, field []byte, expectedLength int) err
 	}
 	return nil
 }
-
-func decodeJWTToJSON(tokenBytes []byte) ([]byte, error) {
-	token := string(tokenBytes) // convert to string
-	parts := strings.Split(token, ".")
-	if len(parts) < 2 {
-		return nil, fmt.Errorf("invalid JWT: must have at least 2 parts")
-	}
-
-	decode := func(seg string) (map[string]interface{}, error) {
-		// Add padding if missing
-		if m := len(seg) % 4; m != 0 {
-			seg += strings.Repeat("=", 4-m)
-		}
-
-		data, err := base64.URLEncoding.DecodeString(seg)
-		if err != nil {
-			return nil, err
-		}
-
-		var result map[string]interface{}
-		if err := json.Unmarshal(data, &result); err != nil {
-			return nil, err
-		}
-
-		return result, nil
-	}
-
-	header, err := decode(parts[0])
-	if err != nil {
-		return nil, fmt.Errorf("failed to decode header: %v", err)
-	}
-
-	payload, err := decode(parts[1])
-	if err != nil {
-		return nil, fmt.Errorf("failed to decode payload: %v", err)
-	}
-
-	combined := map[string]interface{}{
-		"header":  header,
-		"payload": payload,
-	}
-
-	return json.MarshalIndent(combined, "", "  ")
-}

cli/attestation_policy.go

@@ -3,23 +3,15 @@
 package cli
 
 import (
-	"bytes"
-	"crypto/sha512"
 	"encoding/base64"
-	"encoding/json"
 	"fmt"
 	"os"
-	"strconv"
 
 	"github.com/absmach/magistrala/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"
-	"github.com/ultravioletrs/cocos/pkg/attestation"
-	"github.com/ultravioletrs/cocos/pkg/attestation/azure"
-	"github.com/ultravioletrs/cocos/pkg/attestation/gcp"
-	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/encoding/protojson"
 )
 
 type fieldType int
@@ -38,14 +30,13 @@ 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")
-	policy                          uint64 = 196639
+	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")
 )
 
 func (cli *CLI) NewAttestationPolicyCmd() *cobra.Command {
@@ -108,172 +99,6 @@ func (cli *CLI) NewAddHostDataCmd() *cobra.Command {
 	}
 }
 
-func (cli *CLI) NewGCPAttestationPolicy() *cobra.Command {
-	return &cobra.Command{
-		Use:     "gcp",
-		Short:   "Get attestation policy for GCP CVM",
-		Example: `gcp <bin_vtmp_attestation_report_file> <vcpu_count>`,
-		Args:    cobra.ExactArgs(2),
-		Run: func(cmd *cobra.Command, args []string) {
-			attestationBin, err := os.ReadFile(args[0])
-			if err != nil {
-				printError(cmd, "Error reading attestation report file: %v ❌ ", err)
-				return
-			}
-
-			vcpuCount, err := strconv.Atoi(args[1])
-			if err != nil {
-				printError(cmd, "Error converting vCPU count to integer: %v ❌ ", err)
-				return
-			}
-
-			attestation := &attest.Attestation{}
-
-			if err := proto.Unmarshal(attestationBin, attestation); err != nil {
-				printError(cmd, "Error unmarshaling attestation report: %v ❌ ", err)
-				return
-			}
-
-			attestationPB := attestation.GetSevSnpAttestation()
-
-			measurement, err := gcp.Extract384BitMeasurement(attestationPB)
-			if err != nil {
-				printError(cmd, "Error extracting 384-bit measurement: %v ❌ ", err)
-				return
-			}
-
-			launchEndorsement, err := gcp.GetLaunchEndorsement(cmd.Context(), measurement)
-			if err != nil {
-				printError(cmd, "Error getting launch endorsement: %v ❌ ", err)
-				return
-			}
-
-			attestationPolicy, err := gcp.GenerateAttestationPolicy(launchEndorsement, uint32(vcpuCount))
-			if err != nil {
-				printError(cmd, "Error generating attestation policy: %v ❌ ", err)
-				return
-			}
-
-			attestationPolicyJson, err := json.MarshalIndent(attestationPolicy, "", "  ")
-			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 ✅")
-		},
-	}
-}
-
-func (cli *CLI) NewDownloadGCPOvmfFile() *cobra.Command {
-	return &cobra.Command{
-		Use:     "download",
-		Short:   "Download GCP OVMF file",
-		Example: `download <bin_vtmp_attestation_report_file>`,
-		Args:    cobra.ExactArgs(1),
-		Run: func(cmd *cobra.Command, args []string) {
-			attestationBin, err := os.ReadFile(args[0])
-			if err != nil {
-				printError(cmd, "Error reading attestation report file: %v ❌ ", err)
-				return
-			}
-
-			attestation := &attest.Attestation{}
-
-			if err := proto.Unmarshal(attestationBin, attestation); err != nil {
-				printError(cmd, "Error unmarshaling attestation report: %v ❌ ", err)
-				return
-			}
-
-			attestationPB := attestation.GetSevSnpAttestation()
-
-			measurement, err := gcp.Extract384BitMeasurement(attestationPB)
-			if err != nil {
-				printError(cmd, "Error extracting 384-bit measurement: %v ❌ ", err)
-				return
-			}
-
-			launchEndorsement, err := gcp.GetLaunchEndorsement(cmd.Context(), measurement)
-			if err != nil {
-				printError(cmd, "Error getting launch endorsement: %v ❌ ", err)
-				return
-			}
-
-			ovmf, err := gcp.DownloadOvmfFile(cmd.Context(), fmt.Sprintf("%x", launchEndorsement.Digest))
-			if err != nil {
-				printError(cmd, "Error downloading OVMF file: %v ❌ ", err)
-				return
-			}
-
-			sum384 := sha512.Sum384(ovmf)
-
-			if !bytes.Equal(sum384[:], launchEndorsement.Digest) {
-				printError(cmd, "Error OVMF file does not match the measurement: %v ❌ ", fmt.Errorf("digest mismatch"))
-			} else {
-				cmd.Println("OVMF firmware in vm is unmodified ✅")
-			}
-
-			if err := os.WriteFile("ovmf.fd", ovmf, filePermission); err != nil {
-				printError(cmd, "Error writing OVMF file: %v ❌ ", err)
-				return
-			}
-
-			cmd.Println("OVMF file downloaded successfully ✅")
-		},
-	}
-}
-
-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 changeAttestationConfiguration(fileName, base64Data string, expectedLength int, field fieldType) error {
 	data, err := base64.StdEncoding.DecodeString(base64Data)
 	if err != nil {
@@ -284,31 +109,27 @@ func changeAttestationConfiguration(fileName, base64Data string, expectedLength
 		return errDataLength
 	}
 
-	ac := attestation.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &attestation.PcrConfig{}}
+	ac := check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
 
-	f, err := os.ReadFile(fileName)
+	attestationPolicy, err := os.ReadFile(fileName)
 	if err != nil {
 		return errors.Wrap(errReadingAttestationPolicyFile, err)
 	}
 
-	if err = attestation.ReadAttestationPolicyFromByte(f, &ac); err != nil {
+	if err = protojson.Unmarshal(attestationPolicy, &ac); err != nil {
 		return errors.Wrap(errUnmarshalJSON, err)
 	}
 
-	if ac.Config.Policy == nil {
-		ac.Config.Policy = &check.Policy{}
-	}
-
 	switch field {
 	case measurementField:
-		ac.Config.Policy.Measurement = data
+		ac.Policy.Measurement = data
 	case hostDataField:
-		ac.Config.Policy.HostData = data
+		ac.Policy.HostData = data
 	default:
 		return errAttestationPolicyField
 	}
 
-	fileJson, err := json.MarshalIndent(&ac, "", " ")
+	fileJson, err := protojson.Marshal(&ac)
 	if err != nil {
 		return errors.Wrap(errMarshalJSON, err)
 	}

cli/attestation_policy_test.go

@@ -4,14 +4,13 @@ package cli
 
 import (
 	"encoding/base64"
-	"encoding/json"
 	"os"
 	"testing"
 
 	"github.com/google/go-sev-guest/proto/check"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"github.com/ultravioletrs/cocos/pkg/attestation"
+	"google.golang.org/protobuf/encoding/protojson"
 )
 
 func TestChangeAttestationConfiguration(t *testing.T) {
@@ -19,9 +18,9 @@ func TestChangeAttestationConfiguration(t *testing.T) {
 	require.NoError(t, err)
 	defer os.Remove(tmpfile.Name())
 
-	initialConfig := attestation.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &attestation.PcrConfig{}}
+	initialConfig := check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
 
-	initialJSON, err := json.Marshal(initialConfig)
+	initialJSON, err := protojson.Marshal(&initialConfig)
 	require.NoError(t, err)
 	err = os.WriteFile(tmpfile.Name(), initialJSON, 0o644)
 	require.NoError(t, err)
@@ -87,15 +86,15 @@ func TestChangeAttestationConfiguration(t *testing.T) {
 				content, err := os.ReadFile(tmpfile.Name())
 				require.NoError(t, err)
 
-				ap := attestation.Config{Config: &check.Config{RootOfTrust: &check.RootOfTrust{}, Policy: &check.Policy{}}, PcrConfig: &attestation.PcrConfig{}}
-				err = attestation.ReadAttestationPolicyFromByte(content, &ap)
+				config := check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
+				err = protojson.Unmarshal(content, &config)
 				require.NoError(t, err)
 
 				decodedData, _ := base64.StdEncoding.DecodeString(tt.base64Data)
 				if tt.field == measurementField {
-					assert.Equal(t, decodedData, ap.Config.Policy.Measurement)
+					assert.Equal(t, decodedData, config.Policy.Measurement)
 				} else if tt.field == hostDataField {
-					assert.Equal(t, decodedData, ap.Config.Policy.HostData)
+					assert.Equal(t, decodedData, config.Policy.HostData)
 				}
 			}
 		})

cli/attestation_test.go

@@ -14,12 +14,10 @@ import (
 	"github.com/google/go-sev-guest/abi"
 	"github.com/google/go-sev-guest/proto/check"
 	"github.com/google/go-sev-guest/proto/sevsnp"
-	"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/quoteprovider"
-	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
+	"github.com/ultravioletrs/cocos/agent"
 	"github.com/ultravioletrs/cocos/pkg/sdk/mocks"
 )
 
@@ -34,8 +32,10 @@ func TestNewAttestationCmd(t *testing.T) {
 	var buf bytes.Buffer
 	cmd.SetOut(&buf)
 
-	reportData := bytes.Repeat([]byte{0x01}, quoteprovider.Nonce)
-	mockSDK.On("Attestation", mock.Anything, [quoteprovider.Nonce]byte(reportData), mock.Anything).Return(nil)
+	cmd.SetOutput(&buf)
+
+	reportData := bytes.Repeat([]byte{0x01}, agent.ReportDataSize)
+	mockSDK.On("Attestation", mock.Anything, [agent.ReportDataSize]byte(reportData), mock.Anything).Return(nil)
 
 	cmd.SetArgs([]string{hex.EncodeToString(reportData)})
 	err := cmd.Execute()
@@ -46,11 +46,6 @@ func TestNewAttestationCmd(t *testing.T) {
 func TestNewGetAttestationCmd(t *testing.T) {
 	validattestation, err := os.ReadFile("../attestation.bin")
 	require.NoError(t, err)
-
-	teeNonce := hex.EncodeToString(bytes.Repeat([]byte{0x00}, quoteprovider.Nonce))
-	vtpmNonce := hex.EncodeToString(bytes.Repeat([]byte{0x00}, vtpm.Nonce))
-	tokenNonce := hex.EncodeToString(bytes.Repeat([]byte{0x00}, vtpm.Nonce))
-
 	testCases := []struct {
 		name         string
 		args         []string
@@ -60,117 +55,68 @@ func TestNewGetAttestationCmd(t *testing.T) {
 		expectedOut  string
 	}{
 		{
-			name:         "successful SNP attestation retrieval",
-			args:         []string{"snp", "--tee", teeNonce},
+			name:         "successful attestation retrieval",
+			args:         []string{hex.EncodeToString(bytes.Repeat([]byte{0x01}, agent.ReportDataSize))},
 			mockResponse: []byte("mock attestation"),
 			mockError:    nil,
 			expectedOut:  "Attestation result retrieved and saved successfully!",
 		},
 		{
-			name:         "successful vTPM attestation retrieval",
-			args:         []string{"vtpm", "--vtpm", vtpmNonce},
-			mockResponse: []byte("mock attestation"),
-			mockError:    nil,
-			expectedOut:  "Attestation result retrieved and saved successfully!",
-		},
-		{
-			name:         "successful SNP-vTPM attestation retrieval",
-			args:         []string{"snp-vtpm", "--tee", teeNonce, "--vtpm", vtpmNonce},
-			mockResponse: []byte("mock attestation"),
-			mockError:    nil,
-			expectedOut:  "Attestation result retrieved and saved successfully!",
-		},
-		{
-			name:         "missing vTPM nonce",
-			args:         []string{"snp-vtpm", "--tee", teeNonce},
-			mockResponse: []byte("mock attestation"),
-			mockError:    nil,
-			expectedOut:  "vTPM nonce must be defined for vTPM attestation",
-		},
-		{
-			name:         "missing TEE nonce",
-			args:         []string{"snp-vtpm", "--vtpm", vtpmNonce},
-			mockResponse: []byte("mock attestation"),
-			mockError:    nil,
-			expectedOut:  "TEE nonce must be defined for SEV-SNP attestation",
-		},
-		{
-			name:         "invalid report data size",
-			args:         []string{"snp", "--tee", hex.EncodeToString(bytes.Repeat([]byte{0x00}, 65))},
-			mockResponse: nil,
-			mockError:    errors.New("error"),
-			expectedErr:  "nonce must be a hex encoded string of length lesser or equal 64 bytes",
-		},
-		{
-			name:         "invalid vTPM data size",
-			args:         []string{"vtpm", "--vtpm", hex.EncodeToString(bytes.Repeat([]byte{0x00}, 33))},
-			mockResponse: nil,
-			mockError:    errors.New("error"),
-			expectedErr:  "vTPM nonce must be a hex encoded string of length lesser or equal 32 bytes",
-		},
-		{
-			name:         "invalid arguments",
+			name:         "invalid report data (decoding error)",
 			args:         []string{"invalid"},
 			mockResponse: nil,
 			mockError:    errors.New("error"),
-			expectedErr:  "Bad attestation type: invalid argument ",
+			expectedErr:  "Error decoding report data",
+		},
+		{
+			name:         "invalid report data size",
+			args:         []string{hex.EncodeToString(bytes.Repeat([]byte{0x01}, 32))},
+			mockResponse: nil,
+			mockError:    errors.New("error"),
+			expectedErr:  "report data must be a hex encoded string of length 64 bytes",
+		},
+		{
+			name:         "invalid report data hex",
+			args:         []string{"invalid"},
+			mockResponse: nil,
+			mockError:    errors.New("error"),
+			expectedErr:  "Error decoding report data",
 		},
 		{
 			name:         "failed to get attestation",
-			args:         []string{"snp", "--tee", teeNonce},
+			args:         []string{hex.EncodeToString(bytes.Repeat([]byte{0x01}, agent.ReportDataSize))},
 			mockResponse: nil,
 			mockError:    errors.New("error"),
 			expectedErr:  "Failed to get attestation due to error",
 		},
 		{
-			name:         "Textproto report error",
-			args:         []string{"snp", "--tee", teeNonce, "--reporttextproto"},
+			name:         "JSON report error",
+			args:         []string{hex.EncodeToString(bytes.Repeat([]byte{0x01}, agent.ReportDataSize)), "--json"},
 			mockResponse: []byte("mock attestation"),
 			mockError:    nil,
-			expectedErr:  "Fetching SEV-SNP attestation report\nError converting SNP attestation to JSON: attestation contents too small : attestation contents too small (0x10 bytes). Want at least 0x4a0 bytes ❌\n",
+			expectedErr:  "Error converting attestation to json",
 		},
 		{
-			name:         "successful Textproto report",
-			args:         []string{"snp", "--tee", teeNonce, "--reporttextproto"},
+			name:         "successful JSON report",
+			args:         []string{hex.EncodeToString(bytes.Repeat([]byte{0x01}, agent.ReportDataSize)), "--json"},
 			mockResponse: validattestation,
 			mockError:    nil,
 			expectedOut:  "Attestation result retrieved and saved successfully!",
 		},
 		{
 			name:         "connection error",
-			args:         []string{"snp", "--tee", teeNonce},
+			args:         []string{hex.EncodeToString(bytes.Repeat([]byte{0x01}, agent.ReportDataSize))},
 			mockResponse: nil,
 			mockError:    errors.New("failed to connect to agent"),
 			expectedErr:  "Failed to connect to agent",
 		},
-		{
-			name:         "successful Azure token retrieval",
-			args:         []string{"azure-token", "--token", tokenNonce},
-			mockResponse: []byte("eyJhbGciOiAiUlMyNTYifQ.eyJzdWIiOiAidGVzdC11c2VyIn0.signature"),
-			mockError:    nil,
-			expectedOut:  "Fetching Azure token\nAttestation result retrieved and saved successfully!\n",
-		},
-		{
-			name:         "failed to retrieve Azure token",
-			args:         []string{"azure-token", "--token", tokenNonce},
-			mockResponse: nil,
-			mockError:    errors.New("error"),
-			expectedErr:  "Fetching Azure token\nFailed to get attestation result due to error: error ❌\n",
-		},
-		{
-			name:         "invalid token nonce size",
-			args:         []string{"azure-token", "--token", hex.EncodeToString(bytes.Repeat([]byte{0x00}, 33))},
-			mockResponse: nil,
-			mockError:    errors.New("error"),
-			expectedErr:  "Fetching Azure token\nvTPM nonce must be a hex encoded string of length lesser or equal 32 bytes ❌ \n",
-		},
 	}
 
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
 			t.Cleanup(func() {
 				os.Remove(attestationFilePath)
-				os.Remove(attestationReportJson)
+				os.Remove(attestationJson)
 			})
 			mockSDK := new(mocks.SDK)
 			cli := &CLI{agentSDK: mockSDK}
@@ -179,15 +125,10 @@ func TestNewGetAttestationCmd(t *testing.T) {
 			}
 			cmd := cli.NewGetAttestationCmd()
 			var buf bytes.Buffer
-			cmd.SetOut(&buf)
+			cmd.SetOutput(&buf)
 
-			mockSDK.On("Attestation", mock.Anything, [quoteprovider.Nonce]byte(bytes.Repeat([]byte{0x00}, quoteprovider.Nonce)), [vtpm.Nonce]byte(bytes.Repeat([]byte{0x00}, vtpm.Nonce)), mock.Anything, mock.Anything).Return(tc.mockError).Run(func(args mock.Arguments) {
-				_, err := args.Get(4).(*os.File).Write(tc.mockResponse)
-				require.NoError(t, err)
-			})
-
-			mockSDK.On("AttestationResult", mock.Anything, [vtpm.Nonce]byte(bytes.Repeat([]byte{0x00}, vtpm.Nonce)), mock.Anything, mock.Anything).Return(tc.mockError).Run(func(args mock.Arguments) {
-				_, err := args.Get(3).(*os.File).Write(tc.mockResponse)
+			mockSDK.On("Attestation", mock.Anything, [agent.ReportDataSize]byte(bytes.Repeat([]byte{0x01}, agent.ReportDataSize)), mock.Anything).Return(tc.mockError).Run(func(args mock.Arguments) {
+				_, err := args.Get(2).(*os.File).Write(tc.mockResponse)
 				require.NoError(t, err)
 			})
 
@@ -204,13 +145,12 @@ func TestNewGetAttestationCmd(t *testing.T) {
 	}
 }
 
-func TestNewValidateAttestationValidationCmdDefaults(t *testing.T) {
+func TestNewValidateAttestationValidationCmd(t *testing.T) {
 	cli := &CLI{}
 	cmd := cli.NewValidateAttestationValidationCmd()
 
 	assert.Equal(t, "validate", cmd.Use)
-	expectedMessage := fmt.Sprintf("Validate and verify attestation information. You can define the confidential computing cloud provider (%s, %s, %s; %s is the default) and can choose from 3 modes: %s, %s and %s. Default mode is %s.", CCNone, CCAzure, CCGCP, CCNone, SNP, VTPM, SNPvTPM, SNP)
-	assert.Equal(t, expectedMessage, cmd.Short)
+	assert.Equal(t, "Validate and verify attestation information. The report is provided as a file path.", cmd.Short)
 
 	assert.Equal(t, fmt.Sprint(defaultMinimumTcb), cmd.Flag("minimum_tcb").Value.String())
 	assert.Equal(t, fmt.Sprint(defaultMinimumLaunchTcb), cmd.Flag("minimum_lauch_tcb").Value.String())
@@ -222,150 +162,6 @@ func TestNewValidateAttestationValidationCmdDefaults(t *testing.T) {
 	assert.Equal(t, fmt.Sprint(defaultMaxRetryDelay), cmd.Flag("max_retry_delay").Value.String())
 }
 
-func TestNewValidateAttestationValidationCmd(t *testing.T) {
-	cli := &CLI{}
-	cmd := cli.NewValidateAttestationValidationCmd()
-
-	t.Run("missing attestation report file path", func(t *testing.T) {
-		err := cmd.Execute()
-		assert.Error(t, err)
-		assert.Equal(t, "please pass the attestation report file path", err.Error())
-	})
-
-	t.Run("unknown mode", func(t *testing.T) {
-		cmd.SetArgs([]string{attestationFilePath, "--mode=invalid"})
-		err := cmd.Execute()
-		assert.Error(t, err)
-		assert.Contains(t, err.Error(), "unknown mode")
-	})
-
-	t.Run("snp mode with missing flags", func(t *testing.T) {
-		cmd.SetArgs([]string{attestationFilePath, "--mode=snp"})
-		err := cmd.Execute()
-		assert.Error(t, err)
-		assert.Contains(t, err.Error(), "required flag(s) \"product\", \"report_data\" not set")
-	})
-
-	t.Run("vtpm mode with missing flags", func(t *testing.T) {
-		cmd.SetArgs([]string{vtpmFilePath, "--mode=vtpm"})
-		err := cmd.Execute()
-		assert.Error(t, err)
-		assert.Contains(t, err.Error(), "required flag(s) \"format\", \"nonce\", \"output\", \"product\", \"report_data\" not set")
-	})
-
-	t.Run("snp-vtpm mode with missing flags", func(t *testing.T) {
-		cmd.SetArgs([]string{vtpmFilePath, "--mode=snp-vtpm"})
-		err := cmd.Execute()
-		assert.Error(t, err)
-		assert.Contains(t, err.Error(), "required flag(s) \"format\", \"nonce\", \"output\", \"product\", \"report_data\" not set")
-	})
-
-	t.Run("valid snp mode execution", func(t *testing.T) {
-		cli := CLI{}
-		cmd := cli.NewValidateAttestationValidationCmd()
-
-		cmd.RunE = func(_ *cobra.Command, _ []string) error {
-			t.Log("Mock RunE executed instead of sevsnpverify")
-			return nil
-		}
-
-		cmd.SetArgs([]string{
-			"../attestation.bin",
-			"--mode=snp",
-			"--report_data=" +
-				"11223344556677889900aabbccddeeff11223344556677889900aabbccddeeff" +
-				"11223344556677889900aabbccddeeff11223344556677889900aabbccddeeff",
-			"--product=Milan",
-		})
-		err := cmd.PreRunE(cmd, []string{"../attestation.bin"})
-		assert.NoError(t, err)
-	})
-
-	t.Run("valid vtpm mode execution", func(t *testing.T) {
-		cli := CLI{}
-		cmd := cli.NewValidateAttestationValidationCmd()
-
-		cmd.RunE = func(_ *cobra.Command, _ []string) error {
-			t.Log("Mock RunE executed instead of vtpmverify")
-			return nil
-		}
-
-		cmd.SetArgs([]string{vtpmFilePath, "--mode=vtpm", "--nonce=123abc", "--format=binarypb", "--output=some_output"})
-
-		err := cmd.PreRunE(cmd, []string{"../quote.dat"})
-		assert.NoError(t, err)
-	})
-
-	t.Run("valid snp-vtpm mode execution", func(t *testing.T) {
-		cli := CLI{}
-		cmd := cli.NewValidateAttestationValidationCmd()
-
-		cmd.RunE = func(_ *cobra.Command, _ []string) error {
-			t.Log("Mock RunE executed instead of vtpmSevSnpverify")
-			return nil
-		}
-
-		cmd.SetArgs([]string{vtpmFilePath, "--mode=snp-vtpm", "--nonce=123abc", "--format=textproto", "--output=some_output"})
-		err := cmd.PreRunE(cmd, []string{"../quote.dat"})
-		assert.NoError(t, err)
-	})
-}
-
-type MockMeasurement struct {
-	mock.Mock
-}
-
-func (m *MockMeasurement) Run(igvmBinaryPath string) ([]byte, error) {
-	args := m.Called(igvmBinaryPath)
-	return nil, args.Error(0)
-}
-
-func (m *MockMeasurement) Stop() error {
-	args := m.Called()
-	return args.Error(0)
-}
-
-func TestNewMeasureCmd_RunSuccess(t *testing.T) {
-	cliInstance := &CLI{}
-	mockMeasurement := new(MockMeasurement)
-	cliInstance.measurement = mockMeasurement
-
-	mockMeasurement.On("Run", "testfile.igvm").Return(nil)
-
-	cmd := cliInstance.NewMeasureCmd("fake_binary_path")
-	buf := new(bytes.Buffer)
-	cmd.SetOut(buf)
-	cmd.SetErr(buf)
-	cmd.SetArgs([]string{"testfile.igvm"})
-
-	err := cmd.Execute()
-
-	assert.NoError(t, err)
-	mockMeasurement.AssertExpectations(t)
-}
-
-func TestNewMeasureCmd_RunError(t *testing.T) {
-	cliInstance := &CLI{}
-	mockMeasurement := new(MockMeasurement)
-	cliInstance.measurement = mockMeasurement
-	expectedError := errors.New("mocked measurement error")
-
-	mockMeasurement.On("Run", "testfile.igvm").Return(expectedError)
-
-	cmd := cliInstance.NewMeasureCmd("fake_binary_path")
-
-	buf := new(bytes.Buffer)
-	cmd.SetOut(buf)
-	cmd.SetErr(buf)
-	cmd.SetArgs([]string{"testfile.igvm"})
-
-	err := cmd.Execute()
-
-	assert.Error(t, err)
-	assert.Equal(t, expectedError.Error(), err.Error())
-	mockMeasurement.AssertExpectations(t)
-}
-
 func TestParseConfig(t *testing.T) {
 	cfgString = ""
 	err := parseConfig()
@@ -418,11 +214,9 @@ func TestParseFiles(t *testing.T) {
 	trustedAuthorKeys = []string{authorKeyFile}
 	trustedIdKeys = []string{idKeyFile}
 
-	err = parseAttestationFile()
+	err = parseFiles()
 	assert.NoError(t, err)
-	err = parseTrustedKeys()
-	assert.NoError(t, err)
-	assert.Equal(t, []byte("test attestation"), attestationRaw)
+	assert.Equal(t, []byte("test attestation"), attestation)
 	assert.Len(t, cfg.Policy.TrustedAuthorKeys, 1)
 	assert.Len(t, cfg.Policy.TrustedIdKeys, 1)
 
@@ -431,7 +225,7 @@ func TestParseFiles(t *testing.T) {
 	os.Remove(idKeyFile)
 
 	attestationFile = "non_existent_file.bin"
-	err = parseAttestationFile()
+	err = parseFiles()
 	assert.Error(t, err)
 }
 
@@ -654,56 +448,3 @@ func TestRoundTrip(t *testing.T) {
 	require.NoError(t, err)
 	require.NotNil(t, roundTripReport)
 }
-
-func TestDecodeJWTToJSON(t *testing.T) {
-	tests := []struct {
-		name     string
-		input    []byte
-		err      error
-		validate func(t *testing.T, output []byte)
-	}{
-		{
-			name: "Valid JWT",
-			input: []byte("eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9." +
-				"eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ." +
-				"SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"),
-			err: nil,
-			validate: func(t *testing.T, output []byte) {
-				assert.NotEmpty(t, output)
-				assert.Contains(t, string(output), `"header"`)
-				assert.Contains(t, string(output), `"payload"`)
-			},
-		},
-		{
-			name:  "Invalid JWT - one part",
-			input: []byte("justonepart"),
-			err:   fmt.Errorf("invalid JWT: must have at least 2 parts"),
-			validate: func(t *testing.T, output []byte) {
-				assert.Nil(t, output)
-			},
-		},
-		{
-			name:  "Invalid Base64",
-			input: []byte("bad@@@.header"),
-			err:   errors.New("illegal base64 data"),
-			validate: func(t *testing.T, output []byte) {
-				assert.Nil(t, output)
-			},
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			got, err := decodeJWTToJSON(tt.input)
-
-			if tt.err != nil {
-				assert.Error(t, err)
-				assert.Contains(t, err.Error(), tt.err.Error())
-			} else {
-				assert.NoError(t, err)
-			}
-
-			tt.validate(t, got)
-		})
-	}
-}

cli/cache.go

@@ -12,7 +12,7 @@ import (
 	"github.com/google/go-sev-guest/proto/check"
 	"github.com/google/go-sev-guest/verify/trust"
 	"github.com/spf13/cobra"
-	"github.com/ultravioletrs/cocos/pkg/attestation"
+	"github.com/ultravioletrs/cocos/pkg/clients/grpc"
 )
 
 const (
@@ -27,14 +27,14 @@ 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 := attestation.Config{Config: &check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}, PcrConfig: &attestation.PcrConfig{}}
-			err := attestation.ReadAttestationPolicy(args[0], &attestationConfiguration)
+			attestationConfiguration := check.Config{Policy: &check.Policy{}, RootOfTrust: &check.RootOfTrust{}}
+			err := grpc.ReadAttestationPolicy(args[0], &attestationConfiguration)
 			if err != nil {
 				printError(cmd, "Error while reading manifest: %v ❌ ", err)
 				return
 			}
 
-			product := attestationConfiguration.Config.RootOfTrust.ProductLine
+			product := attestationConfiguration.RootOfTrust.ProductLine
 
 			getter := trust.DefaultHTTPSGetter()
 			caURL := kds.ProductCertChainURL(abi.VcekReportSigner, product)

cli/checksum_test.go

@@ -131,7 +131,7 @@ func TestManifestChecksum(t *testing.T) {
 				"name": "Example Computation",
 				"description": "This is an example computation"
 			}`,
-			expectedSum: "a99683e4d22ba54cefa51aa49fb2e97a92b828c088395992ddff16a6236f3299",
+			expectedSum: "868825367c32c4b6d621d5d95e2890f233d8554df2348ab743aac2663a936f08",
 		},
 		{
 			name:        "Invalid JSON",

cli/ima_measurements.go

@@ -1,96 +0,0 @@
-// 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/manager.go

@@ -1,146 +0,0 @@
-// Copyright (c) Ultraviolet
-// SPDX-License-Identifier: Apache-2.0
-package cli
-
-import (
-	"os"
-	"time"
-
-	"github.com/fatih/color"
-	"github.com/spf13/cobra"
-	"github.com/ultravioletrs/cocos/manager"
-)
-
-const (
-	serverURL = "server-url"
-	serverCA  = "server-ca"
-	clientKey = "client-key"
-	clientCrt = "client-crt"
-	caUrl     = "ca-url"
-	logLevel  = "log-level"
-	ttlFlag   = "ttl"
-)
-
-var (
-	agentCVMServerUrl string
-	agentCVMServerCA  string
-	agentCVMClientKey string
-	agentCVMClientCrt string
-	agentCVMCaUrl     string
-	agentLogLevel     string
-	ttl               time.Duration
-)
-
-func (c *CLI) NewCreateVMCmd() *cobra.Command {
-	cmd := &cobra.Command{
-		Use:     "create-vm",
-		Short:   "Create a new virtual machine",
-		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
-			}
-			defer c.Close()
-
-			createReq, err := loadCerts()
-			if err != nil {
-				printError(cmd, "Error loading certs: %v ❌ ", err)
-				return
-			}
-
-			createReq.AgentCvmServerUrl = agentCVMServerUrl
-			createReq.AgentLogLevel = agentLogLevel
-			createReq.AgentCvmCaUrl = agentCVMCaUrl
-
-			if ttl > 0 {
-				createReq.Ttl = ttl.String()
-			}
-
-			cmd.Println("🔗 Creating a new virtual machine")
-
-			res, err := c.managerClient.CreateVm(cmd.Context(), createReq)
-			if err != nil {
-				printError(cmd, "Error creating virtual machine: %v ❌ ", err)
-				return
-			}
-
-			cmd.Println(color.New(color.FgGreen).Sprintf("✅ Virtual machine created successfully with id %s and port %s", res.CvmId, res.ForwardedPort))
-		},
-	}
-
-	cmd.Flags().StringVar(&agentCVMServerUrl, serverURL, "", "CVM server URL")
-	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(&agentLogLevel, logLevel, "", "Agent Log level")
-	cmd.Flags().DurationVar(&ttl, ttlFlag, 0, "TTL for the VM")
-	if err := cmd.MarkFlagRequired(serverURL); err != nil {
-		printError(cmd, "Error marking flag as required: %v ❌ ", err)
-		return cmd
-	}
-
-	return cmd
-}
-
-func (c *CLI) NewRemoveVMCmd() *cobra.Command {
-	return &cobra.Command{
-		Use:     "remove-vm",
-		Short:   "Remove a virtual machine",
-		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
-			}
-
-			cmd.Println("🔗 Removing virtual machine")
-
-			_, err := c.managerClient.RemoveVm(cmd.Context(), &manager.RemoveReq{CvmId: args[0]})
-			if err != nil {
-				printError(cmd, "Error removing virtual machine: %v ❌ ", err)
-				return
-			}
-
-			cmd.Println(color.New(color.FgGreen).Sprintf("✅ Virtual machine removed successfully"))
-		},
-	}
-}
-
-func fileReader(path string) ([]byte, error) {
-	if path == "" {
-		return nil, nil
-	}
-
-	return os.ReadFile(path)
-}
-
-func loadCerts() (*manager.CreateReq, error) {
-	clientKey, err := fileReader(agentCVMClientKey)
-	if err != nil {
-		return nil, err
-	}
-
-	clientCrt, err := fileReader(agentCVMClientCrt)
-	if err != nil {
-		return nil, err
-	}
-
-	serverCA, err := fileReader(agentCVMServerCA)
-	if err != nil {
-		return nil, err
-	}
-
-	return &manager.CreateReq{
-		AgentCvmServerCaCert: serverCA,
-		AgentCvmClientKey:    clientKey,
-		AgentCvmClientCert:   clientCrt,
-	}, nil
-}

cli/sdk.go

@@ -6,61 +6,39 @@ import (
 	"context"
 
 	"github.com/spf13/cobra"
-	"github.com/ultravioletrs/cocos/manager"
-	"github.com/ultravioletrs/cocos/pkg/attestation/cmdconfig"
 	"github.com/ultravioletrs/cocos/pkg/clients/grpc"
 	"github.com/ultravioletrs/cocos/pkg/clients/grpc/agent"
-	managergrpc "github.com/ultravioletrs/cocos/pkg/clients/grpc/manager"
 	"github.com/ultravioletrs/cocos/pkg/sdk"
 )
 
 var Verbose bool
 
 type CLI struct {
-	agentSDK      sdk.SDK
-	agentConfig   grpc.AgentClientConfig
-	managerConfig grpc.ManagerClientConfig
-	client        grpc.Client
-	managerClient manager.ManagerServiceClient
-	connectErr    error
-	measurement   cmdconfig.MeasurementProvider
+	agentSDK   sdk.SDK
+	config     grpc.AgentClientConfig
+	client     grpc.Client
+	connectErr error
 }
 
-func New(agentConfig grpc.AgentClientConfig, managerConfig grpc.ManagerClientConfig, measurement cmdconfig.MeasurementProvider) *CLI {
+func New(config grpc.AgentClientConfig) *CLI {
 	return &CLI{
-		agentConfig:   agentConfig,
-		managerConfig: managerConfig,
-		measurement:   measurement,
+		config: config,
 	}
 }
 
-func (c *CLI) InitializeAgentSDK(cmd *cobra.Command) error {
-	agentGRPCClient, agentClient, err := agent.NewAgentClient(context.Background(), c.agentConfig)
+func (c *CLI) InitializeSDK(cmd *cobra.Command) error {
+	agentGRPCClient, agentClient, err := agent.NewAgentClient(context.Background(), c.config)
 	if err != nil {
 		c.connectErr = err
 		return err
 	}
-	cmd.Println("🔗 Connected to agent ", agentGRPCClient.Secure())
+	cmd.Println("🔗 Connected to agent using ", agentGRPCClient.Secure())
 	c.client = agentGRPCClient
 
 	c.agentSDK = sdk.NewAgentSDK(agentClient)
 	return nil
 }
 
-func (c *CLI) InitializeManagerClient(cmd *cobra.Command) error {
-	managerGRPCClient, managerClient, err := managergrpc.NewManagerClient(c.managerConfig)
-	if err != nil {
-		c.connectErr = err
-		return err
-	}
-
-	cmd.Println("🔗 Connected to manager using ", managerGRPCClient.Secure())
-	c.client = managerGRPCClient
-
-	c.managerClient = managerClient
-	return nil
-}
-
 func (c *CLI) Close() {
 	c.client.Close()
 }

cmd/agent/main.go

@@ -3,228 +3,157 @@
 package main
 
 import (
+	"bytes"
 	"context"
-	"crypto/sha256"
-	"crypto/sha512"
-	"crypto/x509"
-	"encoding/pem"
+	"encoding/json"
 	"fmt"
+	"io"
 	"log"
 	"log/slog"
 	"os"
-	"os/signal"
-	"syscall"
 	"time"
 
 	mglog "github.com/absmach/magistrala/logger"
 	"github.com/absmach/magistrala/pkg/prometheus"
-	"github.com/caarlos0/env/v11"
+	"github.com/cenkalti/backoff/v4"
+	"github.com/google/go-sev-guest/abi"
+	"github.com/google/go-sev-guest/client"
+	"github.com/mdlayher/vsock"
 	"github.com/ultravioletrs/cocos/agent"
 	"github.com/ultravioletrs/cocos/agent/api"
-	"github.com/ultravioletrs/cocos/agent/cvms"
-	cvmsapi "github.com/ultravioletrs/cocos/agent/cvms/api/grpc"
-	"github.com/ultravioletrs/cocos/agent/cvms/server"
+	agentgrpc "github.com/ultravioletrs/cocos/agent/api/grpc"
+	"github.com/ultravioletrs/cocos/agent/auth"
 	"github.com/ultravioletrs/cocos/agent/events"
 	agentlogger "github.com/ultravioletrs/cocos/internal/logger"
-	"github.com/ultravioletrs/cocos/pkg/attestation"
-	"github.com/ultravioletrs/cocos/pkg/attestation/azure"
-	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
-	pkggrpc "github.com/ultravioletrs/cocos/pkg/clients/grpc"
-	cvmsgrpc "github.com/ultravioletrs/cocos/pkg/clients/grpc/cvm"
+	"github.com/ultravioletrs/cocos/internal/server"
+	grpcserver "github.com/ultravioletrs/cocos/internal/server/grpc"
+	ackvsock "github.com/ultravioletrs/cocos/internal/vsock"
+	managerevents "github.com/ultravioletrs/cocos/manager/events"
+	"github.com/ultravioletrs/cocos/manager/qemu"
+	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider"
+	"golang.org/x/crypto/sha3"
 	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/reflection"
 )
 
 const (
-	svcName          = "agent"
-	defSvcGRPCPort   = "7002"
-	retryInterval    = 5 * time.Second
-	envPrefixCVMGRPC = "AGENT_CVM_GRPC_"
-	storageDir       = "/var/lib/cocos/agent"
+	svcName        = "agent"
+	defSvcGRPCPort = "7002"
+	retryInterval  = 5 * time.Second
 )
 
-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:""`
-	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() {
 	ctx, cancel := context.WithCancel(context.Background())
 	g, ctx := errgroup.WithContext(ctx)
 
-	var cfg config
-	if err := env.Parse(&cfg); err != nil {
-		log.Fatalf("failed to load %s configuration : %s", svcName, err)
+	cfg, err := readConfig()
+	if err != nil {
+		log.Fatalf("failed to read agent configuration from vsock %s", err.Error())
 	}
 
+	conn, err := dialVsock()
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer conn.Close()
+
+	ackConn := ackvsock.NewAckWriter(conn)
+
 	var exitCode int
 	defer mglog.ExitWithError(&exitCode)
 
 	var level slog.Level
-	if err := level.UnmarshalText([]byte(cfg.LogLevel)); err != nil {
+	if err := level.UnmarshalText([]byte(cfg.AgentConfig.LogLevel)); err != nil {
 		log.Println(err)
 		exitCode = 1
 		return
 	}
 
-	eventsLogsQueue := make(chan *cvms.ClientStreamMessage, 1000)
-
-	handler := agentlogger.NewProtoHandler(os.Stdout, &slog.HandlerOptions{Level: level}, eventsLogsQueue)
+	handler := agentlogger.NewProtoHandler(ackConn, &slog.HandlerOptions{Level: level}, cfg.ID)
 	logger := slog.New(handler)
 
-	eventSvc, err := events.New(svcName, eventsLogsQueue)
+	eventSvc, err := events.New(svcName, cfg.ID, ackConn)
 	if err != nil {
 		logger.Error(fmt.Sprintf("failed to create events service %s", err.Error()))
 		exitCode = 1
 		return
 	}
 
-	var provider attestation.Provider
-	ccPlatform := attestation.CCPlatform()
-
-	azureConfig := azure.NewEnvConfigFromAgent(
-		cfg.AgentOSBuild,
-		cfg.AgentOSType,
-		cfg.AgentOSDistro,
-		cfg.AgentMaaURL,
-	)
-	azure.InitializeDefaultMAAVars(azureConfig)
-
-	switch ccPlatform {
-	case attestation.SNP:
-		provider = vtpm.New(nil, false, uint(cfg.Vmpl), nil)
-	case attestation.SNPvTPM:
-		provider = vtpm.New(nil, true, uint(cfg.Vmpl), nil)
-	case attestation.Azure:
-		provider = azure.New(nil)
-	case attestation.NoCC:
-		logger.Info("TEE device not found")
-		provider = &attestation.EmptyProvider{}
-	}
-
-	cvmGrpcConfig := pkggrpc.CVMClientConfig{}
-	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))
+	qp, err := quoteprovider.GetQuoteProvider()
+	if err != nil {
+		logger.Error(fmt.Sprintf("failed to create quote provider %s", err.Error()))
 		exitCode = 1
 		return
 	}
 
-	cvmGRPCClient, cvmsClient, err := cvmsgrpc.NewCVMClient(cvmGrpcConfig)
-	if err != nil {
-		logger.Error(err.Error())
-		exitCode = 1
-		return
-	}
-	defer cvmGRPCClient.Close()
-
-	reconnectFn := func(ctx context.Context) (pkggrpc.Client, cvms.Service_ProcessClient, error) {
-		grpcClient, newClient, err := cvmsgrpc.NewCVMClient(cvmGrpcConfig)
-		if err != nil {
-			return nil, nil, err
-		}
-		// Don't defer close here as we want to keep the connection open
-
-		pc, err := newClient.Process(ctx)
-		if err != nil {
-			grpcClient.Close()
-			return nil, nil, err
-		}
-		return grpcClient, pc, nil
-	}
-
-	pc, err := cvmsClient.Process(ctx)
-	if err != nil {
+	if err := verifyManifest(cfg, qp); err != nil {
 		logger.Error(err.Error())
 		exitCode = 1
 		return
 	}
 
-	if cfg.Vmpl < 0 || cfg.Vmpl > 3 {
-		logger.Error("vmpl level must be in a range [0, 3]")
-		exitCode = 1
-		return
-	}
+	setDefaultValues(&cfg)
 
-	svc := newService(ctx, logger, eventSvc, provider, cfg.Vmpl)
+	svc := newService(ctx, logger, eventSvc, cfg, qp)
 
-	if err := os.MkdirAll(storageDir, 0o755); err != nil {
-		logger.Error(fmt.Sprintf("failed to create storage directory: %s", err))
-		exitCode = 1
-		return
-	}
-
-	mc, err := cvmsapi.NewClient(pc, svc, eventsLogsQueue, logger, server.NewServer(logger, svc, cfg.AgentGrpcHost, cfg.CAUrl, cfg.CVMId), storageDir, reconnectFn, cvmGRPCClient)
-	if err != nil {
-		logger.Error(err.Error())
-		exitCode = 1
-		return
-	}
-
-	g.Go(func() error {
-		ch := make(chan os.Signal, 1)
-		signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
-		defer signal.Stop(ch)
-
-		select {
-		case <-ch:
-			logger.Info("Received signal, shutting down...")
-			cancel()
-			return nil
-		case <-ctx.Done():
-			return ctx.Err()
-		}
-	})
-
-	g.Go(func() error {
-		return mc.Process(ctx, cancel)
-	})
-
-	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 {
-		azureAttestationResult, 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_AzureAttestationResult{
-				AzureAttestationResult: &cvms.AzureAttestationResponse{
-					File:             azureAttestationResult,
-					CertSerialNumber: azureCertSerialNumber,
-				},
-			},
-		}
-	}
-
-	eventsLogsQueue <- &cvms.ClientStreamMessage{
-		Message: &cvms.ClientStreamMessage_VTPMattestationReport{
-			VTPMattestationReport: &cvms.AttestationResponse{
-				File:             attest,
-				CertSerialNumber: certSerialNumber,
+	agentGrpcServerConfig := server.AgentConfig{
+		ServerConfig: server.ServerConfig{
+			BaseConfig: server.BaseConfig{
+				Host:         cfg.AgentConfig.Host,
+				Port:         cfg.AgentConfig.Port,
+				CertFile:     cfg.AgentConfig.CertFile,
+				KeyFile:      cfg.AgentConfig.KeyFile,
+				ServerCAFile: cfg.AgentConfig.ServerCAFile,
+				ClientCAFile: cfg.AgentConfig.ClientCAFile,
 			},
 		},
+		AttestedTLS: cfg.AgentConfig.AttestedTls,
 	}
 
+	registerAgentServiceServer := func(srv *grpc.Server) {
+		reflection.Register(srv)
+		agent.RegisterAgentServiceServer(srv, agentgrpc.NewServer(svc))
+	}
+
+	authSvc, err := auth.New(cfg)
+	if err != nil {
+		logger.Error(fmt.Sprintf("failed to create auth service %s", err.Error()))
+		exitCode = 1
+		return
+	}
+
+	gs := grpcserver.New(ctx, cancel, svcName, agentGrpcServerConfig, registerAgentServiceServer, logger, qp, authSvc)
+
+	g.Go(func() error {
+		for {
+			if _, err := io.Copy(io.Discard, conn); err != nil {
+				log.Printf("vsock connection lost: %v, reconnecting...", err)
+				conn.Close()
+				conn, err = dialVsock()
+				if err != nil {
+					log.Fatal("failed to reconnect: ", err)
+				}
+			}
+			time.Sleep(retryInterval)
+		}
+	})
+
+	g.Go(func() error {
+		return gs.Start()
+	})
+
+	g.Go(func() error {
+		return server.StopHandler(ctx, cancel, logger, svcName, gs)
+	})
+
 	if err := g.Wait(); err != nil {
 		logger.Error(fmt.Sprintf("%s service terminated: %s", svcName, err))
 	}
 }
 
-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)
+func newService(ctx context.Context, logger *slog.Logger, eventSvc events.Service, cmp agent.Computation, qp client.QuoteProvider) agent.Service {
+	svc := agent.New(ctx, logger, eventSvc, cmp, qp)
 
 	svc = api.LoggingMiddleware(svc, logger)
 	counter, latency := prometheus.MakeMetrics(svcName, "api")
@@ -233,53 +162,103 @@ func newService(ctx context.Context, logger *slog.Logger, eventSvc events.Servic
 	return svc
 }
 
-func attestationFromCert(ctx context.Context, certFilePath string, svc agent.Service) ([]byte, string, error) {
-	if certFilePath == "" {
-		return nil, "", nil
-	}
-
-	certFile, err := os.ReadFile(certFilePath)
+func readConfig() (agent.Computation, error) {
+	l, err := vsock.Listen(qemu.VsockConfigPort, nil)
 	if err != nil {
-		return nil, "", err
+		return agent.Computation{}, err
 	}
+	defer l.Close()
 
-	certPem, _ := pem.Decode(certFile)
-	certx509, err := x509.ParseCertificate(certPem.Bytes)
+	conn, err := l.Accept()
 	if err != nil {
-		return nil, "", err
+		return agent.Computation{}, err
+	}
+	defer conn.Close()
+
+	var buffer []byte
+	for {
+		chunk := make([]byte, 1024)
+		n, err := conn.Read(chunk)
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return agent.Computation{}, err
+		}
+		buffer = append(buffer, chunk[:n]...)
 	}
 
-	nonceSNP := sha512.Sum512(certFile)
-	nonceVTPM := sha256.Sum256(certFile)
-	attest, err := svc.Attestation(ctx, nonceSNP, nonceVTPM, attestation.SNPvTPM)
-	if err != nil {
-		return nil, "", err
+	ac := agent.Computation{
+		AgentConfig: agent.AgentConfig{},
 	}
-
-	return attest, certx509.SerialNumber.String(), nil
+	if err := json.Unmarshal(buffer, &ac); err != nil {
+		return agent.Computation{}, err
+	}
+	return ac, nil
 }
 
-func azureAttestationFromCert(ctx context.Context, certFilePath string, svc agent.Service) ([]byte, string, error) {
-	if certFilePath == "" {
-		return nil, "", nil
+func setDefaultValues(cfg *agent.Computation) {
+	if cfg.AgentConfig.LogLevel == "" {
+		cfg.AgentConfig.LogLevel = "info"
 	}
-
-	certFile, err := os.ReadFile(certFilePath)
-	if err != nil {
-		return nil, "", err
+	if cfg.AgentConfig.Port == "" {
+		cfg.AgentConfig.Port = defSvcGRPCPort
 	}
-
-	certPem, _ := pem.Decode(certFile)
-	certx509, err := x509.ParseCertificate(certPem.Bytes)
-	if err != nil {
-		return nil, "", err
-	}
-
-	nonceAzure := sha256.Sum256(certFile)
-	attestation, err := svc.AttestationResult(ctx, nonceAzure, attestation.AzureToken)
-	if err != nil {
-		return nil, "", err
-	}
-
-	return attestation, certx509.SerialNumber.String(), nil
+}
+
+func isTEE() bool {
+	_, err := os.Stat("/dev/sev-guest")
+	return !os.IsNotExist(err)
+}
+
+func dialVsock() (*vsock.Conn, error) {
+	var conn *vsock.Conn
+	var err error
+
+	err = backoff.Retry(func() error {
+		conn, err = vsock.Dial(vsock.Host, managerevents.ManagerVsockPort, nil)
+		if err == nil {
+			log.Println("vsock connection established")
+			return nil
+		}
+		log.Printf("vsock connection failed, retrying in %s... Error: %v", retryInterval, err)
+		return err
+	}, backoff.NewExponentialBackOff())
+	if err != nil {
+		return nil, err
+	}
+
+	return conn, nil
+}
+
+func verifyManifest(cfg agent.Computation, qp client.QuoteProvider) error {
+	if !isTEE() {
+		return nil
+	}
+
+	ar, err := qp.GetRawQuote(sha3.Sum512([]byte(cfg.ID)))
+	if err != nil {
+		return err
+	}
+
+	arProto, err := abi.ReportCertsToProto(ar[:abi.ReportSize])
+	if err != nil {
+		return err
+	}
+
+	cfgBytes, err := json.Marshal(cfg)
+	if err != nil {
+		return err
+	}
+
+	mcHash := sha3.Sum256(cfgBytes)
+
+	if arProto.Report.HostData == nil {
+		return fmt.Errorf("manifest verification failed: HostData is nil")
+	}
+	if !bytes.Equal(arProto.Report.HostData, mcHash[:]) {
+		return fmt.Errorf("manifest verification failed")
+	}
+
+	return nil
 }

cmd/agent/main_test.go

@@ -0,0 +1,94 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package main
+
+import (
+	"context"
+	"log/slog"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/ultravioletrs/cocos/agent"
+	"github.com/ultravioletrs/cocos/agent/events/mocks"
+	qpmocks "github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider/mocks"
+)
+
+func TestSetDefaultValues(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    agent.Computation
+		expected agent.Computation
+	}{
+		{
+			name: "Empty config",
+			input: agent.Computation{
+				AgentConfig: agent.AgentConfig{},
+			},
+			expected: agent.Computation{
+				AgentConfig: agent.AgentConfig{
+					LogLevel: "info",
+					Port:     "7002",
+				},
+			},
+		},
+		{
+			name: "Partial config",
+			input: agent.Computation{
+				AgentConfig: agent.AgentConfig{
+					LogLevel: "debug",
+				},
+			},
+			expected: agent.Computation{
+				AgentConfig: agent.AgentConfig{
+					LogLevel: "debug",
+					Port:     "7002",
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			setDefaultValues(&tt.input)
+			assert.Equal(t, tt.expected, tt.input)
+		})
+	}
+}
+
+func TestNewService(t *testing.T) {
+	ctx := context.Background()
+	logger := slog.New(slog.NewTextHandler(os.Stdout, nil))
+	eventSvc := new(mocks.Service)
+	eventSvc.On("SendEvent", mock.Anything, mock.Anything, mock.Anything).Return(nil)
+	cmp := agent.Computation{
+		ID: "test-computation",
+		AgentConfig: agent.AgentConfig{
+			LogLevel: "info",
+			Port:     "7002",
+		},
+	}
+	qp := new(qpmocks.QuoteProvider)
+
+	svc := newService(ctx, logger, eventSvc, cmp, qp)
+
+	assert.NotNil(t, svc)
+}
+
+func TestVerifyManifest(t *testing.T) {
+	cfg := agent.Computation{
+		ID: "test-computation",
+		AgentConfig: agent.AgentConfig{
+			LogLevel: "info",
+			Port:     "7002",
+		},
+	}
+
+	mockQP := new(qpmocks.QuoteProvider)
+	mockQP.On("GetRawQuote", mock.Anything).Return([]byte{}, nil)
+
+	err := verifyManifest(cfg, mockQP)
+
+	assert.NoError(t, err)
+}

cmd/cli/main.go

@@ -14,23 +14,20 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
 	"github.com/ultravioletrs/cocos/cli"
-	"github.com/ultravioletrs/cocos/pkg/attestation/cmdconfig"
 	"github.com/ultravioletrs/cocos/pkg/clients/grpc"
 	cmd "github.com/virtee/sev-snp-measure-go/sevsnpmeasure/cmd"
 )
 
 const (
-	svcName              = "cli"
-	envPrefixAgentGRPC   = "AGENT_GRPC_"
-	envPrefixManagerGRPC = "MANAGER_GRPC_"
-	completion           = "completion"
-	filePermision        = 0o755
-	cocosDirectory       = ".cocos"
+	svcName            = "cli"
+	envPrefixAgentGRPC = "AGENT_GRPC_"
+	completion         = "completion"
+	filePermision      = 0o755
+	cocosDirectory     = ".cocos"
 )
 
 type config struct {
-	LogLevel       string `env:"AGENT_LOG_LEVEL" envDefault:"info"`
-	IgvmBinaryPath string `env:"IGVM_BINARY_PATH" envDefault:"./build/igvmmeasure"`
+	LogLevel string `env:"AGENT_LOG_LEVEL" envDefault:"info"`
 }
 
 func main() {
@@ -101,24 +98,9 @@ func main() {
 		return
 	}
 
-	managerGRPCConfig := grpc.ManagerClientConfig{}
-	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)
-		return
-	}
+	cliSVC := cli.New(agentGRPCConfig)
 
-	options := cmdconfig.IgvmMeasureOptions
-	measurement, err := cmdconfig.NewCmdConfig(cfg.IgvmBinaryPath, options, os.Stderr)
-	if err != nil {
-		message := color.New(color.FgRed).Sprintf("failed to initialize measurement: %s", err) // Use %s instead of %w
-		rootCmd.Println(message)
-		return
-	}
-
-	cliSVC := cli.New(agentGRPCConfig, managerGRPCConfig, measurement)
-
-	if err := cliSVC.InitializeAgentSDK(rootCmd); err == nil {
+	if err := cliSVC.InitializeSDK(rootCmd); err == nil {
 		defer cliSVC.Close()
 	}
 
@@ -137,9 +119,6 @@ func main() {
 	rootCmd.AddCommand(attestationPolicyCmd)
 	rootCmd.AddCommand(keysCmd)
 	rootCmd.AddCommand(cliSVC.NewCABundleCmd(directoryCachePath))
-	rootCmd.AddCommand(cliSVC.NewCreateVMCmd())
-	rootCmd.AddCommand(cliSVC.NewRemoveVMCmd())
-	rootCmd.AddCommand(cliSVC.NewIMAMeasurementsCmd())
 
 	// Attestation commands
 	attestationCmd.AddCommand(cliSVC.NewGetAttestationCmd())
@@ -147,7 +126,6 @@ func main() {
 
 	// measure.
 	rootCmd.AddCommand(cmd.NewRootCmd())
-	rootCmd.AddCommand(cliSVC.NewMeasureCmd(cfg.IgvmBinaryPath))
 
 	// Flags
 	keysCmd.PersistentFlags().StringVarP(
@@ -161,9 +139,6 @@ func main() {
 	// Attestation Policy commands
 	attestationPolicyCmd.AddCommand(cliSVC.NewAddMeasurementCmd())
 	attestationPolicyCmd.AddCommand(cliSVC.NewAddHostDataCmd())
-	attestationPolicyCmd.AddCommand(cliSVC.NewGCPAttestationPolicy())
-	attestationPolicyCmd.AddCommand(cliSVC.NewDownloadGCPOvmfFile())
-	attestationPolicyCmd.AddCommand(cliSVC.NewAzureAttestationPolicy())
 
 	if err := rootCmd.Execute(); err != nil {
 		logErrorCmd(*rootCmd, err)

cmd/manager/main.go

@@ -10,24 +10,25 @@ import (
 	"log/slog"
 	"net/url"
 	"os"
+	"os/signal"
 	"strings"
+	"syscall"
 
 	mglog "github.com/absmach/magistrala/logger"
 	"github.com/absmach/magistrala/pkg/jaeger"
 	"github.com/absmach/magistrala/pkg/prometheus"
 	"github.com/absmach/magistrala/pkg/uuid"
 	"github.com/caarlos0/env/v11"
-	"github.com/ultravioletrs/cocos/internal/server"
-	grpcserver "github.com/ultravioletrs/cocos/internal/server/grpc"
 	"github.com/ultravioletrs/cocos/manager"
 	"github.com/ultravioletrs/cocos/manager/api"
-	managergrpc "github.com/ultravioletrs/cocos/manager/api/grpc"
+	managerapi "github.com/ultravioletrs/cocos/manager/api/grpc"
+	"github.com/ultravioletrs/cocos/manager/events"
 	"github.com/ultravioletrs/cocos/manager/qemu"
 	"github.com/ultravioletrs/cocos/manager/tracing"
+	pkggrpc "github.com/ultravioletrs/cocos/pkg/clients/grpc"
+	managergrpc "github.com/ultravioletrs/cocos/pkg/clients/grpc/manager"
 	"go.opentelemetry.io/otel/trace"
 	"golang.org/x/sync/errgroup"
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/reflection"
 )
 
 const (
@@ -42,9 +43,7 @@ type config struct {
 	JaegerURL               url.URL `env:"COCOS_JAEGER_URL"                   envDefault:"http://localhost:4318"`
 	TraceRatio              float64 `env:"COCOS_JAEGER_TRACE_RATIO"           envDefault:"1.0"`
 	InstanceID              string  `env:"MANAGER_INSTANCE_ID"                envDefault:""`
-	AttestationPolicyBinary string  `env:"MANAGER_ATTESTATION_POLICY_BINARY"  envDefault:"../../build/attestation_policy"`
-	IgvmMeasureBinary       string  `env:"MANAGER_IGVMMEASURE_BINARY"         envDefault:"../../build/igvmmeasure"`
-	PcrValues               string  `env:"MANAGER_PCR_VALUES"                 envDefault:""`
+	AttestationPolicyBinary string  `env:"MANAGER_ATTESTATION_POLICY_BINARY"  envDefault:"../../build"`
 	EosVersion              string  `env:"MANAGER_EOS_VERSION"                envDefault:""`
 }
 
@@ -84,23 +83,7 @@ func main() {
 	}()
 	tracer := tp.Tracer(svcName)
 
-	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 if qemuCfg.EnableSEV {
-		logger.Info("Manager started with SEV enabled")
-	} else {
-		logger.Info("Manager started without confidential computing support")
-	}
-
+	qemuCfg := qemu.Config{}
 	if err := env.ParseWithOptions(&qemuCfg, env.Options{Prefix: envPrefixQemu}); err != nil {
 		logger.Error(fmt.Sprintf("failed to load QEMU configuration: %s", err))
 		exitCode = 1
@@ -109,33 +92,64 @@ func main() {
 	args := qemuCfg.ConstructQemuArgs()
 	logger.Info(strings.Join(args, " "))
 
-	managerGRPCConfig := server.ServerConfig{}
+	managerGRPCConfig := pkggrpc.ManagerClientConfig{}
 	if err := env.ParseWithOptions(&managerGRPCConfig, env.Options{Prefix: envPrefixGRPC}); err != nil {
 		logger.Error(fmt.Sprintf("failed to load %s gRPC client configuration : %s", svcName, err))
 		exitCode = 1
 		return
 	}
 
-	svc, err := newService(ctx, logger, tracer, *qemuCfg, cfg.AttestationPolicyBinary, cfg.IgvmMeasureBinary, cfg.PcrValues, cfg.EosVersion)
+	managerGRPCClient, managerClient, err := managergrpc.NewManagerClient(managerGRPCConfig)
+	if err != nil {
+		logger.Error(err.Error())
+		exitCode = 1
+		return
+	}
+	defer managerGRPCClient.Close()
+
+	pc, err := managerClient.Process(ctx)
 	if err != nil {
 		logger.Error(err.Error())
 		exitCode = 1
 		return
 	}
 
-	registerManagerServiceServer := func(srv *grpc.Server) {
-		reflection.Register(srv)
-		manager.RegisterManagerServiceServer(srv, managergrpc.NewServer(svc))
+	eventsChan := make(chan *manager.ClientStreamMessage, clientBufferSize)
+	svc, err := newService(logger, tracer, qemuCfg, eventsChan, cfg.AttestationPolicyBinary, cfg.EosVersion)
+	if err != nil {
+		logger.Error(err.Error())
+		exitCode = 1
+		return
 	}
 
-	gs := grpcserver.New(ctx, cancel, svcName, managerGRPCConfig, registerManagerServiceServer, logger, nil, "", "")
+	eventsSvc, err := events.New(logger, svc.ReportBrokenConnection, eventsChan)
+	if err != nil {
+		logger.Error(err.Error())
+		exitCode = 1
+		return
+	}
+
+	go eventsSvc.Listen(ctx)
+
+	mc := managerapi.NewClient(pc, svc, eventsChan, logger)
 
 	g.Go(func() error {
-		return gs.Start()
+		ch := make(chan os.Signal, 1)
+		signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
+		defer signal.Stop(ch)
+
+		select {
+		case <-ch:
+			logger.Info("Received signal, shutting down...")
+			cancel()
+			return nil
+		case <-ctx.Done():
+			return ctx.Err()
+		}
 	})
 
 	g.Go(func() error {
-		return server.StopHandler(ctx, cancel, logger, svcName, gs)
+		return mc.Process(ctx, cancel)
 	})
 
 	if err := g.Wait(); err != nil {
@@ -143,8 +157,8 @@ func main() {
 	}
 }
 
-func newService(ctx context.Context, logger *slog.Logger, tracer trace.Tracer, qemuCfg qemu.Config, attestationPolicyPath string, igvmMeasurementBinaryPath string, pcrValuesFilePath string, eosVersion string) (manager.Service, error) {
-	svc, err := manager.New(ctx, qemuCfg, attestationPolicyPath, igvmMeasurementBinaryPath, pcrValuesFilePath, logger, qemu.NewVM, eosVersion)
+func newService(logger *slog.Logger, tracer trace.Tracer, qemuCfg qemu.Config, eventsChan chan *manager.ClientStreamMessage, attestationPolicyPath string, eosVersion string) (manager.Service, error) {
+	svc, err := manager.New(qemuCfg, attestationPolicyPath, logger, eventsChan, qemu.NewVM, eosVersion)
 	if err != nil {
 		return nil, err
 	}

cocos-manager.env

@@ -7,13 +7,10 @@ COCOS_JAEGER_TRACE_RATIO=1.0
 # Manager Service Configuration
 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_CA_CERTS=
-MANAGER_GRPC_PORT=6101
-MANAGER_GRPC_HOST=0.0.0.0
+MANAGER_GRPC_URL=localhost:7001
 MANAGER_GRPC_TIMEOUT=60s
 MANAGER_EOS_VERSION=""
 
@@ -24,13 +21,13 @@ MANAGER_QEMU_MAX_MEMORY=30G
 MANAGER_QEMU_OVMF_CODE_IF=pflash
 MANAGER_QEMU_OVMF_CODE_FORMAT=raw
 MANAGER_QEMU_OVMF_CODE_UNIT=0
-MANAGER_QEMU_OVMF_CODE_FILE=/usr/share/edk2/x64/OVMF_CODE.fd
+MANAGER_QEMU_OVMF_CODE_FILE=/usr/share/OVMF/x64/OVMF_CODE.fd
 MANAGER_QEMU_OVMF_VERSION=edk2-stable202408
 MANAGER_QEMU_OVMF_CODE_READONLY=on
 MANAGER_QEMU_OVMF_VARS_IF=pflash
 MANAGER_QEMU_OVMF_VARS_FORMAT=raw
 MANAGER_QEMU_OVMF_VARS_UNIT=1
-MANAGER_QEMU_OVMF_VARS_FILE=/usr/share/edk2/x64/OVMF_VARS.fd
+MANAGER_QEMU_OVMF_VARS_FILE=/usr/share/OVMF/x64/OVMF_VARS.fd
 MANAGER_QEMU_NETDEV_ID=vmnic
 MANAGER_QEMU_HOST_FWD_AGENT=7020
 MANAGER_QEMU_GUEST_FWD_AGENT=7002
@@ -38,15 +35,12 @@ MANAGER_QEMU_VIRTIO_NET_PCI_DISABLE_LEGACY=on
 MANAGER_QEMU_VIRTIO_NET_PCI_IOMMU_PLATFORM=true
 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_DISK_IMG_KERNEL_FILE=/home/sammyk/Documents/cocos-ai/cmd/manager/img/bzImage
+MANAGER_QEMU_DISK_IMG_ROOTFS_FILE=/home/sammyk/Documents/cocos-ai/cmd/manager/img/rootfs.cpio.gz
 MANAGER_QEMU_SEV_ID=sev0
 MANAGER_QEMU_SEV_CBITPOS=51
 MANAGER_QEMU_SEV_REDUCED_PHYS_BITS=1
 MANAGER_QEMU_HOST_DATA=
-MANAGER_QEMU_TDX_ID=tdx0
-MANAGER_QEMU_QUOTE_GENERATION_PORT=4050
-MANAGER_QEMU_OVMF_FILE=/usr/share/ovmf/OVMF.fd
 MANAGER_QEMU_VSOCK_ID=vhost-vsock-pci0
 MANAGER_QEMU_VSOCK_GUEST_CID=3
 MANAGER_QEMU_VSOCK_VNC=0
@@ -54,14 +48,13 @@ 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
 MANAGER_QEMU_CPU=EPYC
 MANAGER_QEMU_SMP_COUNT=4
 MANAGER_QEMU_SMP_MAXCPUS=16
 MANAGER_QEMU_MEM_ID=ram1
+MANAGER_QEMU_KERNEL_HASH=false
 MANAGER_QEMU_NO_GRAPHIC=true
 MANAGER_QEMU_MONITOR=pty
 MANAGER_QEMU_HOST_FWD_RANGE=6100-6200

go.mod

@@ -1,71 +1,37 @@
 module github.com/ultravioletrs/cocos
 
-go 1.23.2
-
-toolchain go1.24.1
+go 1.23.0
 
 require (
 	github.com/absmach/magistrala v0.15.1
-	github.com/caarlos0/env/v11 v11.3.1
+	github.com/caarlos0/env/v11 v11.2.2
+	github.com/cenkalti/backoff/v4 v4.3.0
 	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/google/go-sev-guest v0.11.1
 	github.com/mdlayher/vsock v1.2.1
-	github.com/spf13/cobra v1.9.1
-	github.com/spf13/pflag v1.0.6
+	github.com/spf13/cobra v1.8.1
+	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.10.0
 	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 v1.36.0
-	golang.org/x/crypto v0.38.0
-	golang.org/x/sync v0.14.0
-	google.golang.org/grpc v1.72.1
-	google.golang.org/protobuf v1.36.6
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.57.0
+	go.opentelemetry.io/otel/trace v1.32.0
+	golang.org/x/crypto v0.30.0
+	golang.org/x/sync v0.10.0
+	google.golang.org/grpc v1.68.1
+	google.golang.org/protobuf v1.35.2
 )
 
 require (
-	cloud.google.com/go/storage v1.51.0
-	github.com/caarlos0/env/v10 v10.0.0
-	github.com/golang-jwt/jwt/v5 v5.2.2
-	github.com/google/gce-tcb-verifier v0.3.1
-)
-
-require (
-	cel.dev/expr v0.20.0 // 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 v1.26.0 // 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
 	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/containerd/log v0.1.0 // indirect
 	github.com/distribution/reference v0.6.0 // indirect
 	github.com/docker/go-connections v0.5.0 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
-	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/go-jose/go-jose/v3 v3.0.3 // indirect
-	github.com/go-jose/go-jose/v4 v4.0.4 // 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 v1.1.8 // 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/mattn/go-isatty v0.0.20 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
@@ -73,66 +39,48 @@ require (
 	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
-	github.com/spiffe/go-spiffe/v2 v2.5.0 // indirect
-	github.com/zeebo/errs v1.4.0 // 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 v1.36.0 // 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
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.57.0 // indirect
+	go.opentelemetry.io/otel v1.32.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.32.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.32.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.32.0 // 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/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/edgelesssys/go-azguestattestation v0.0.0-20250408071817-8c4457b235ff
+	github.com/docker/docker v27.4.0+incompatible
 	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-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/golang/protobuf v1.5.4 // indirect
+	github.com/google/go-configfs-tsm v0.2.2 // indirect
 	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/google/uuid v1.6.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.23.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/mdlayher/socket v0.4.1 // indirect
+	github.com/pborman/uuid v1.2.1 // 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_golang v1.20.5 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.62.0 // indirect
+	github.com/prometheus/common v0.59.1 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
-	go.opentelemetry.io/otel/metric v1.36.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.5.0 // indirect
+	go.opentelemetry.io/otel/metric v1.32.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.3.1 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/net v0.35.0 // indirect
-	golang.org/x/sys v0.33.0 // indirect
-	golang.org/x/term v0.32.0
-	golang.org/x/text v0.25.0 // 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 v0.31.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/term v0.27.0
+	golang.org/x/text v0.21.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20241104194629-dd2ea8efbc28 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241104194629-dd2ea8efbc28 // 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
+replace github.com/virtee/sev-snp-measure-go => github.com/sammyoina/sev-snp-measure-go v0.0.0-20241107163739-38915ab517c7

go.sum

@@ -1,91 +1,36 @@
-cel.dev/expr v0.20.0 h1:OunBvVCfvpWlt4dN7zg3FM6TDkzOePe1+foGJ9AXeeI=
-cel.dev/expr v0.20.0/go.mod h1:MrpN08Q+lEBs+bGYdLxxHkZoUSsCp0nSKTs0nTymJgw=
-cloud.google.com/go v0.118.3 h1:jsypSnrE/w4mJysioGdMBg4MiW/hHx/sArFpaBWHdME=
-cloud.google.com/go v0.118.3/go.mod h1:Lhs3YLnBlwJ4KA6nuObNMZ/fCbOQBPuWKPoE0Wa/9Vc=
-cloud.google.com/go/auth v0.15.0 h1:Ly0u4aA5vG/fsSsxu98qCQBemXtAtJf+95z9HK+cxps=
-cloud.google.com/go/auth v0.15.0/go.mod h1:WJDGqZ1o9E9wKIL+IwStfyn/+s59zl4Bi+1KQNVXLZ8=
-cloud.google.com/go/auth/oauth2adapt v0.2.7 h1:/Lc7xODdqcEw8IrZ9SvwnlLX6j9FHQM74z6cBk9Rw6M=
-cloud.google.com/go/auth/oauth2adapt v0.2.7/go.mod h1:NTbTTzfvPl1Y3V1nPpOgl2w6d/FjO7NNUQaWSox6ZMc=
-cloud.google.com/go/compute/metadata v0.6.0 h1:A6hENjEsCDtC1k8byVsgwvVcioamEHvZ4j01OwKxG9I=
-cloud.google.com/go/compute/metadata v0.6.0/go.mod h1:FjyFAW1MW0C203CEOMDTu3Dk1FlqW3Rga40jzHL4hfg=
-cloud.google.com/go/iam v1.4.1 h1:cFC25Nv+u5BkTR/BT1tXdoF2daiVbZ1RLx2eqfQ9RMM=
-cloud.google.com/go/iam v1.4.1/go.mod h1:2vUEJpUG3Q9p2UdsyksaKpDzlwOrnMzS30isdReIcLM=
-cloud.google.com/go/logging v1.13.0 h1:7j0HgAp0B94o1YRDqiqm26w4q1rDMH7XNRU34lJXHYc=
-cloud.google.com/go/logging v1.13.0/go.mod h1:36CoKh6KA/M0PbhPKMq6/qety2DCAErbhXT62TuXALA=
-cloud.google.com/go/longrunning v0.6.5 h1:sD+t8DO8j4HKW4QfouCklg7ZC1qC4uzVZt8iz3uTW+Q=
-cloud.google.com/go/longrunning v0.6.5/go.mod h1:Et04XK+0TTLKa5IPYryKf5DkpwImy6TluQ1QTLwlKmY=
-cloud.google.com/go/monitoring v1.24.0 h1:csSKiCJ+WVRgNkRzzz3BPoGjFhjPY23ZTcaenToJxMM=
-cloud.google.com/go/monitoring v1.24.0/go.mod h1:Bd1PRK5bmQBQNnuGwHBfUamAV1ys9049oEPHnn4pcsc=
-cloud.google.com/go/storage v1.51.0 h1:ZVZ11zCiD7b3k+cH5lQs/qcNaoSz3U9I0jgwVzqDlCw=
-cloud.google.com/go/storage v1.51.0/go.mod h1:YEJfu/Ki3i5oHC/7jyTgsGZwdQ8P9hqMqvpi5kRKGgc=
-cloud.google.com/go/trace v1.11.3 h1:c+I4YFjxRQjvAhRmSsmjpASUKq88chOX854ied0K/pE=
-cloud.google.com/go/trace v1.11.3/go.mod h1:pt7zCYiDSQjC9Y2oqCsh9jF4GStB/hmjrYLsxRR27q8=
 github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 h1:L/gRVlceqvL25UVaW/CKtUDjefjrs0SPonmDGUVOYP0=
 github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
-github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.26.0 h1:f2Qw/Ehhimh5uO1fayV0QIW7DShEQqhtUfhYc+cBPlw=
-github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.26.0/go.mod h1:2bIszWvQRlJVmJLiuLhukLImRjKPcYdzzsx6darK02A=
-github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.51.0 h1:fYE9p3esPxA/C0rQ0AHhP0drtPXDRhaWiwg1DPqO7IU=
-github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.51.0/go.mod h1:BnBReJLvVYx2CS/UHOgVz2BXKXD9wsQPxZug20nZhd0=
-github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/cloudmock v0.51.0 h1:OqVGm6Ei3x5+yZmSJG1Mh2NwHvpVmZ08CB5qJhT9Nuk=
-github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/cloudmock v0.51.0/go.mod h1:SZiPHWGOOk3bl8tkevxkoiwPgsIl6CwrWcbwjfHZpdM=
-github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.51.0 h1:6/0iUd0xrnX7qt+mLNRwg5c0PGv8wpE8K90ryANQwMI=
-github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.51.0/go.mod h1:otE2jQekW/PqXk1Awf5lmfokJx4uwuqcj1ab5SpGeW0=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
 github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
 github.com/VividCortex/gohistogram v1.0.0 h1:6+hBz+qvs0JOrrNhhmR7lFxo5sINxBCGXrdtl/UvroE=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
-github.com/absmach/certs v0.0.0-20250313105043-afbcda9a9963 h1:kN6NwYWNyTMAmDAwAGuxVYw6t8TL50CB6Kw3jOHj6iw=
-github.com/absmach/certs v0.0.0-20250313105043-afbcda9a9963/go.mod h1:I4SywlzOXtUfJwVHCyPOUdl8rEsby2cJX2mqA5A4MOw=
 github.com/absmach/magistrala v0.15.1 h1:3Bk2hlyWcV591LxPYwlvRcyCXTfuZ1g/EkNmU+o3NNQ=
 github.com/absmach/magistrala v0.15.1/go.mod h1:9pto6xuBt/IuCtZRdEha0iDQKNQ5tyNOjLXJgUiikYk=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/caarlos0/env/v10 v10.0.0 h1:yIHUBZGsyqCnpTkbjk8asUlx6RFhhEs+h7TOBdgdzXA=
-github.com/caarlos0/env/v10 v10.0.0/go.mod h1:ZfulV76NvVPw3tm591U4SwL3Xx9ldzBP9aGxzeN7G18=
-github.com/caarlos0/env/v11 v11.3.1 h1:cArPWC15hWmEt+gWk7YBi7lEXTXCvpaSdCiZE2X5mCA=
-github.com/caarlos0/env/v11 v11.3.1/go.mod h1:qupehSf/Y0TUTsxKywqRt/vJjN5nz6vauiYEUUr8P4U=
+github.com/caarlos0/env/v11 v11.2.2 h1:95fApNrUyueipoZN/EhA8mMxiNxrBwDa+oAZrMWl3Kg=
+github.com/caarlos0/env/v11 v11.2.2/go.mod h1:JBfcdeQiBoI3Zh1QRAWfe+tpiNTmDtcCj/hHHHMx0vc=
 github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/cncf/xds/go v0.0.0-20250121191232-2f005788dc42 h1:Om6kYQYDUk5wWbT0t0q6pvyM49i9XZAv9dDrkDA7gjk=
-github.com/cncf/xds/go v0.0.0-20250121191232-2f005788dc42/go.mod h1:W+zGtBO5Y1IgJhy4+A9GOqVhqLpfZi+vwmdNXUehLA8=
 github.com/containerd/log v0.1.0 h1:TCJt7ioM2cr/tfR8GPbGf9/VRAX8D2B4PjzCpfX540I=
 github.com/containerd/log v0.1.0/go.mod h1:VRRf09a7mHDIRezVKTRCrOq78v577GXq3bSa3EhrzVo=
-github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
-github.com/danko-miladinovic/go-tpm-tools v0.0.0-20250228160324-1ebcfd79567c h1:gFo8kqRXFoM6ttqMrK+M3xffxco+Yj80kUo3NoMe8LU=
-github.com/danko-miladinovic/go-tpm-tools v0.0.0-20250228160324-1ebcfd79567c/go.mod h1:ktjTNq8yZFD6TzdBFefUfen96rF3NpYwpSb2d8bc+Y8=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk=
 github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
-github.com/docker/docker v28.0.4+incompatible h1:JNNkBctYKurkw6FrHfKqY0nKIDf5nrbxjVBtS+cdcok=
-github.com/docker/docker v28.0.4+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/docker v27.4.0+incompatible h1:I9z7sQ5qyzO0BfAb9IMOawRkAGxhYsidKiTMcm0DU+A=
+github.com/docker/docker v27.4.0+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/go-connections v0.5.0 h1:USnMq7hx7gwdVZq1L49hLXaFtUdTADjXGp+uj1Br63c=
 github.com/docker/go-connections v0.5.0/go.mod h1:ov60Kzw0kKElRwhNs9UlUHAE/F9Fe6GLaXnqyDdmEXc=
 github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
 github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
-github.com/edgelesssys/go-azguestattestation v0.0.0-20250408071817-8c4457b235ff h1:V6A5kD0+c1Qg4X72Lg+zxhCZk+par436sQdgLvMCBBc=
-github.com/edgelesssys/go-azguestattestation v0.0.0-20250408071817-8c4457b235ff/go.mod h1:Lz4QaomI4wU2YbatD4/W7vatW2Q35tnkoJezB1clscc=
-github.com/envoyproxy/go-control-plane v0.13.4 h1:zEqyPVyku6IvWCFwux4x9RxkLOMUL+1vC9xUFv5l2/M=
-github.com/envoyproxy/go-control-plane v0.13.4/go.mod h1:kDfuBlDVsSj2MjrLEtRWtHlsWIFcGyB2RMO44Dc5GZA=
-github.com/envoyproxy/go-control-plane/envoy v1.32.4 h1:jb83lalDRZSpPWW2Z7Mck/8kXZ5CQAFYVjQcdVIr83A=
-github.com/envoyproxy/go-control-plane/envoy v1.32.4/go.mod h1:Gzjc5k8JcJswLjAx1Zm+wSYE20UrLtt7JZMWiWQXQEw=
-github.com/envoyproxy/go-control-plane/ratelimit v0.1.0 h1:/G9QYbddjL25KvtKTv3an9lx6VBE2cnb8wp1vEGNYGI=
-github.com/envoyproxy/go-control-plane/ratelimit v0.1.0/go.mod h1:Wk+tMFAFbCXaJPzVVHnPgRKdUdwW/KdbRt94AzgRee4=
-github.com/envoyproxy/protoc-gen-validate v1.2.1 h1:DEo3O99U8j4hBFwbJfrz9VtgcDfUKS7KJ7spH3d86P8=
-github.com/envoyproxy/protoc-gen-validate v1.2.1/go.mod h1:d/C80l/jxXLdfEIhX1W2TmLfsJ31lvEjwamM4DxlWXU=
 github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
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hal/cloud/.env

@@ -1,89 +0,0 @@
-####  memory config
-MEMORY_SIZE=2048M
-MEMORY_SLOTS=5
-MAX_MEMORY=30G
-
-
-####  ovmf code config
-OVMF_CODE_IF=pflash
-OVMF_CODE_FORMAT=raw
-OVMF_CODE_UNIT=0
-OVMF_CODE_FILE=/usr/share/OVMF/OVMF_CODE.fd
-OVMF_CODE_READONLY=on
-OVMF_VERSION=
-
-####  ovmf vars config
-OVMF_VARS_IF=pflash
-OVMF_VARS_FORMAT=raw
-OVMF_VARS_UNIT=1
-OVMF_VARS_FILE=/usr/share/OVMF/OVMF_VARS.fd
-
-####  net dev config
-NET_DEV_ID=vmnic
-NET_DEV_HOST_FWD_AGENT=7020
-NET_DEV_GUEST_FWD_AGENT=7002
-
-####  Virtio Net Pci Config
-VIRTIO_NET_PCI_DISABLE_LEGACY=on
-VIRTIO_NET_PCI_IOMMU_PLATFORM=true
-VIRTIO_NET_PCI_ADDR=0x2
-VIRTIO_NET_PCI_ROMFILE=
-
-####  Disk image config
-DISK_IMG_KERNEL_FILE=
-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
-
-BIN_PATH=qemu-system-x86_64
-USE_SUDO=false
-ENABLE_SEV=false
-ENABLE_SEV_SNP=false
-
-ENABLE_KVM=true
-
-MACHINE=q35
-CPU=EPYC
-SMP_COUNT=8
-SMP_MAXCPUS=64
-MEM_ID=ram1
-
-KERNEL_HASH=false
-
-NO_GRAPHIC=true
-MONITOR=pty
-HOST_FWD_RANGE=6100-6200
-CERTS_MOUNT=/etc/cocos/certs
-ENV_MOUNT=/etc/cocos/environment
-
-COCOS_AGENT_VERSION=v0.3.1
-
-#### Base image URL and names
-BASE_IMAGE_URL=https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img
-BASE_IMAGE=ubuntu-base.qcow2
-CUSTOM_IMAGE=ubuntu-custom.qcow2
-
-#### Paths for OVMF firmware
-OVMF_CODE=/usr/share/ovmf/x64/OVMF_CODE.4m.fd
-OVMF_VARS=/usr/share/ovmf/x64/OVMF_VARS.4m.fd
-
-#### VM parameters
-VM_NAME=cocos-vm
-RAM=16G
-DISK_SIZE=10G # Size for root filesystem
-QEMU_BINARY=qemu-system-x86_64
-
-AGENT_GRPC_SERVER_CERT=/etc/cocos/certs/server.pem
-AGENT_GRPC_SERVER_KEY=/etc/cocos/certs/key.pem
-AGENT_GRPC_SERVER_CA_CERTS=/etc/cocos/ca.pem
-AGENT_GRPC_CLIENT_CA_CERTS=/etc/cocos/ca.pem

hal/cloud/README.md

@@ -1,114 +0,0 @@
-# Agent Cloud Init Setup
-
-## Overview
-
-The `hal/cloud` directory contains essential files required for setting up a virtual machine (VM) with cloud-init. This setup ensures the automated installation of dependencies, configuration of the environment, and deployment of the Cocos agent as a systemd service.
-
-### Directory Contents
-
-- **`config.yaml`**: This YAML file provides configuration instructions for the cloud image.
-- **`meta-data`**: Contains VM metadata, such as instance-specific details and identifiers.
-- **`qemu.sh`**: A Bash script for downloading and configuring a cloud image, running QEMU to simulate a VM with the cloud-init configuration.
-- **`.env`**: Contains environment variables for starting the VM in different modes, configuring disk space, memory allocation, and other parameters.
-
-## Configuration
-
-### Preparing the Cloud-Config File
-
-The `config.yaml` file defines system configurations, including user creation, package installations, file management, and command execution.
-Ensure that the cloud-config file is set up with the following configurations:
-
-- **User Credentials**: Specify the default username and password.
-- **Certificates and Keys**: Certificate files for agent for secure communication.
-- **Environment Variables**: Configuration parameters required by the system.
-
-The `config.yaml` file is divided into multiple sections, each addressing a specific aspect of the setup process.
-
-### 1. User Configuration
-
-This section creates a default user with specific permissions and configurations:
-
-- Creates a user named **`cocos_user`**.
-- Adds `cocos_user` to the `sudo` and `docker` groups.
-- Sets a default password (should be changed for production use).
-- Configures the user’s shell as `/bin/bash`.
-
-### 2. Package Installation
-
-Installs essential system packages required for various operations:
-
-- **`curl`**: For downloading files from the web.
-- **`make`**: A utility for building software.
-- **`git`**: Version control system for managing code repositories.
-- **`python3` and `python3-dev`**: Required for running Python-based tools.
-- **`net-tools`**: Provides networking utilities such as `ifconfig` and `route`.
-
-### 3. File Management (write_files)
-
-Creates and configures critical files required for the setup:
-
-- **Certificates**: Cert files (`cert.pem`, `ca.pem`, `key.pem`) located at `/etc/cocos/certs/`.
-- **Environment Variables**: An env file stored at `/etc/cocos/environment`.
-- **Systemd Service File**: Cocos agent service configuration file at `/etc/systemd/system/cocos-agent.service` for managing the Cocos agent.
-- **Agent Scripts**:
-  - `agent_setup.sh`: Configures network interfaces and resizes the root filesystem.
-  - `agent_start_script.sh`: Sets up Docker and starts the Cocos agent.
-
-### 4. Execution of Commands (runcmd)
-
-A sequence of commands is executed to finalize the setup:
-
-- Creates necessary directories: `/cocos`, `/cocos_init`, `/var/log/cocos`, `/etc/cocos`.
-- Downloads and installs the Cocos agent binary.
-- Installs **Wasmtime** and configures its environment variables.
-- Installs **Docker** and adds `cocos_user` to the Docker group.
-- Reloads systemd and enables the Cocos agent service.
-
-## Running the Agent
-
-To test the cloud-init configuration, execute the `qemu.sh` script to bring up a VM using QEMU:
-
-```bash
-sudo ./qemu.sh
-```
-
-**Important:** The script must be executed as root.
-
-Once the QEMU boots the VM, the Cocos agent will run as a systemd service. The service is configured to start automatically on boot and restart in case of failure.
-
-## Debugging and Monitoring
-
-For troubleshooting and monitoring the Cocos agent service, use the following commands within the VM:
-
-### Manually Start the Service
-
-To manually start the agent service, execute:
-
-```bash
-sudo systemctl start cocos-agent.service
-```
-
-### Verify Service Status
-
-To check if the service is running properly, use:
-
-```bash
-sudo systemctl status cocos-agent.service
-```
-
-### View Service Logs
-
-To inspect logs generated by the agent service, execute:
-
-```bash
-journalctl -u cocos-agent.service
-```
-
-### Check Standard Output and Error Logs
-
-To check logs stored in the system, use:
-
-```bash
-cat /var/log/cocos/agent.stdout.log
-cat /var/log/cocos/agent.stderr.log
-```

hal/cloud/config.yaml

@@ -1,340 +0,0 @@
-#cloud-config
-package_update: true
-package_upgrade: false
-
-users:
-  - default
-  - name: cocos_user
-    gecos: Default User
-    groups:
-      - sudo
-      - docker # Add cocos user to the docker group
-    sudo:
-      - ALL=(ALL:ALL) ALL
-    shell: /sbin/nologin
-  - name: algo_user
-    gecos: Algorithm User
-    groups:
-      - docker # Add to docker group for container execution
-    shell: /bin/bash
-    sudo:
-      - /usr/bin/python3 # Allow running Python
-      - /home/algo_user/.wasmtime/bin/wasmtime # Allow running Wasmtime
-      - /usr/bin/docker # Allow running Docker commands
-
-packages:
-  - curl
-  - make
-  - git
-  - python3
-  - python3-dev
-  - net-tools # Add net-tools to install the 'route' command
-  - iptables-persistent # Add iptables-persistent to save firewall rules
-  - sudo # Ensure sudo is installed
-
-write_files:
-  - path: /etc/cocos/certs/cert.pem
-    content: |
-      # Add certificate content here
-    permissions: "0644"
-
-  - path: /etc/cocos/certs/ca.pem
-    content: |
-      # Add CA certificate content here
-    permissions: "0644"
-
-  - path: /etc/cocos/certs/key.pem
-    content: |
-      # Add private key content here
-    permissions: "0600"
-
-  - path: /etc/cocos/environment
-    content: |
-      # Add environment variables here
-    permissions: "0644"
-
-  - path: /etc/systemd/system/cocos-agent.service
-    content: |
-      [Unit]
-      Description=Cocos AI agent
-      After=network.target
-      Before=docker.service
-
-      [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
-
-      [Install]
-      WantedBy=default.target
-    permissions: "0644"
-
-  # Agent setup script
-  - path: /cocos_init/agent_setup.sh
-    content: |
-      #!/bin/sh
-
-      WORK_DIR="/cocos"
-
-      # IFACES are all network interfaces excluding lo (LOOPBACK) and sit interfaces
-      IFACES=$(ip link show | grep -vE 'LOOPBACK|sit*' | awk -F': ' '{print $2}')
-
-      # This for loop brings up all network interfaces in IFACES and dhclient obtains an IP address for the every interface
-      for IFACE in $IFACES; do
-          STATE=$(ip link show $IFACE | grep DOWN)
-          if [ -n "$STATE" ]; then
-              ip link set $IFACE up
-          fi
-
-          IP_ADDR=$(ip addr show $IFACE | grep 'inet ')
-          if [ -z "$IP_ADDR" ]; then
-              dhclient $IFACE
-          fi
-      done
-
-      if [ ! -d "$WORK_DIR" ]; then
-          mkdir -p $WORK_DIR
-      fi
-
-      # Resize the root filesystem to 100% of available space
-      ROOT_DEV=$(findmnt / -o SOURCE -n)  # Get the root filesystem device
-      resize2fs "$ROOT_DEV" && echo "Root filesystem resized successfully" || echo "Failed to resize root filesystem"
-    permissions: "0755"
-
-  # Agent start script
-  - path: /cocos_init/agent_start_script.sh
-    content: |
-      #!/bin/sh
-
-      # Change the docker.service file to allow Docker to run in RAM
-      mkdir -p /etc/systemd/system/docker.service.d
-
-      # Create or overwrite the override.conf file with the new Environment variable
-      tee /etc/systemd/system/docker.service.d/override.conf > /dev/null <<EOF
-      [Service]
-      Environment=DOCKER_RAMDISK=true
-      EOF
-
-      systemctl daemon-reload
-
-      NUM_OF_PERMITED_IFACE=1
-
-      NUM_OF_IFACE=$(ip route | grep -Eo 'dev [a-z0-9]+' | awk '{ print $2 }' | grep -v '^docker' | sort | uniq | wc -l)
-
-      if [ $NUM_OF_IFACE -gt $NUM_OF_PERMITED_IFACE ]; then
-          echo "More than one network interface in the VM"
-          exit 1
-      fi
-
-      DEFAULT_IFACE=$(route | grep '^default' | grep -o '[^ ]*$')
-      AGENT_GRPC_HOST=$(ip -4 addr show $DEFAULT_IFACE | grep inet | awk '{print $2}' | cut -d/ -f1)
-
-      export AGENT_GRPC_HOST
-
-      exec /bin/cocos-agent
-    permissions: "0755"
-
-  # Firewall configuration script
-  - path: /cocos_init/setup_firewall.sh
-    content: |
-      #!/bin/bash
-      
-      # Flush existing rules
-      iptables -F
-      iptables -X
-      iptables -t nat -F
-      iptables -t nat -X
-      iptables -t mangle -F
-      iptables -t mangle -X
-      
-      # Set default policies to DROP
-      iptables -P INPUT DROP
-      iptables -P FORWARD DROP
-      iptables -P OUTPUT ACCEPT
-      
-      # Allow loopback interface
-      iptables -A INPUT -i lo -j ACCEPT
-      iptables -A OUTPUT -o lo -j ACCEPT
-      
-      # Allow established and related connections
-      iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-      
-      # Allow port 7002 (TCP) for incoming connections
-      iptables -A INPUT -p tcp --dport 7002 -j ACCEPT
-      
-      # Save rules to persist after reboot
-      mkdir -p /etc/iptables
-      iptables-save > /etc/iptables/rules.v4
-      
-      echo "Firewall configured to allow only port 7002"
-    permissions: "0755"
-
-  # Setup script for algo_user
-  - path: /cocos_init/setup_algo_user.sh
-    content: |
-      #!/bin/bash
-      
-      # Create datasets directory with the right permissions
-      mkdir -p /datasets
-      chown root:root /datasets
-      chmod 755 /datasets
-      
-      # Create a home directory for algo_user
-      mkdir -p /home/algo_user
-      chown algo_user:algo_user /home/algo_user
-      chmod 750 /home/algo_user
-      
-      # Set up Wasmtime for algo_user
-      mkdir -p /home/algo_user/.wasmtime/bin
-      
-      # Link system Wasmtime to user's directory
-      ln -s /root/.wasmtime/bin/wasmtime /home/algo_user/.wasmtime/bin/wasmtime
-      chown -R algo_user:algo_user /home/algo_user/.wasmtime
-      
-      # Configure sudoers for algo_user
-      cat > /etc/sudoers.d/algo_user << EOF
-      algo_user ALL=(ALL) NOPASSWD: /usr/bin/python3
-      algo_user ALL=(ALL) NOPASSWD: /home/algo_user/.wasmtime/bin/wasmtime
-      algo_user ALL=(ALL) NOPASSWD: /usr/bin/docker
-      Defaults:algo_user !requiretty
-      EOF
-      
-      chmod 440 /etc/sudoers.d/algo_user
-      
-      # Create a .bashrc file that restricts navigation to /datasets
-      cat > /home/algo_user/.bashrc << EOF
-      # .bashrc for algo_user
-      
-      # Restrict navigation outside /datasets
-      function cd() {
-          if [[ "\$1" == /* && "\$1" != "/datasets"* && "\$1" != "/home/algo_user"* ]]; then
-              echo "Access denied: You can only access files in /datasets or your home directory"
-              return 1
-          else
-              builtin cd "\$1"
-          fi
-      }
-      
-      # Set PATH to include necessary binaries
-      export PATH=/usr/bin:/bin:/usr/local/bin:/home/algo_user/.wasmtime/bin
-      
-      # Set default directory
-      if [[ \$PWD != "/datasets"* && \$PWD != "/home/algo_user"* ]]; then
-          cd /datasets
-      fi
-      EOF
-      
-      chown algo_user:algo_user /home/algo_user/.bashrc
-      chmod 644 /home/algo_user/.bashrc
-      
-      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=" "$GRUB_FILE"
-        
-        sudo update-grub
-        sudo reboot
-      else
-        sudo find / -fstype ext4 -type f -uid 0 -exec dd if='{}' of=/dev/null count=0 status=none \;
-      fi
-    permissions: "0755"
-
-runcmd:
-  # Enable Linux IMA with fix policy
-  - echo "Enable Linux IMA with fix policy and rebooting if necessary"
-  - sh /cocos_init/linux_ima_init.sh
-
-  # Create necessary directories
-  - mkdir -p /cocos
-  - mkdir -p /cocos_init
-  - mkdir -p /var/log/cocos
-  - mkdir -p /etc/cocos
-
-  # Download the cocos-agent binary
-  - echo "[ COCOS AGENT SETUP ] Downloading the cocos-agent binary..."
-  - curl -L -O -J https://github.com/smithjilks/cocos/releases/download/v1.0.0/cocos-agent --progress-bar && echo "[ COCOS AGENT SETUP ] cocos-agent binary downloaded successfully" || echo "Failed to download cocos-agent binary"
-
-  # Install the agent binary
-  - echo "[ COCOS AGENT SETUP ] Installing cocos-agent binary..."
-  - install -D -m 0755 cocos-agent /bin/cocos-agent && echo "[ COCOS AGENT SETUP ] cocos-agent binary installed successfully" || echo "[ COCOS AGENT SETUP ] Failed to install cocos-agent binary"
-
-  # Install Wasmtime
-  - echo "Installing Wasmtime runtime..."
-  - curl https://wasmtime.dev/install.sh -sSf | bash && echo "Wasmtime installed successfully" || echo "Failed to install Wasmtime"
-  - echo "Configuring Wasmtime environment variables..."
-  - echo "export WASMTIME_HOME=$HOME/.wasmtime" >> /etc/profile.d/wasm_env.sh
-  - echo "export PATH=\$WASMTIME_HOME/bin:\$PATH" >> /etc/profile.d/wasm_env.sh
-  - . /etc/profile.d/wasm_env.sh && echo "Wasmtime environment variables configured successfully" || echo "Failed to configure Wasmtime environment variables"
-
-  # Install Docker
-  - echo "Starting Docker installation..."
-  - curl -fsSL https://get.docker.com -o get-docker.sh && echo "Docker install script downloaded successfully" || echo "Failed to download Docker install script"
-  - sh ./get-docker.sh && echo "Docker installed successfully" || echo "Failed to install Docker"
-  - usermod -aG docker cocos_user && echo "Added cocos_user to the docker group" || echo "Failed to add cocos_user to the docker group"
-
-  # Disable SSH service
-  - echo "Disabling SSH service..."
-  - systemctl disable ssh.service && echo "SSH service disabled successfully" || echo "Failed to disable SSH service"
-  - systemctl disable sshd.service && echo "SSHD service disabled successfully" || echo "Failed to disable SSHD service"
-  - systemctl stop ssh.service && echo "SSH service stopped successfully" || echo "Failed to stop SSH service"
-  - systemctl stop sshd.service && echo "SSHD service stopped successfully" || echo "Failed to stop SSHD service"
-
-  # Completely remove SSH server
-  - echo "Removing SSH server..."
-  - apt-get purge -y openssh-server && echo "SSH server removed successfully" || echo "Failed to remove SSH server"
-  - apt-get autoremove -y && echo "Removed dependencies successfully" || echo "Failed to remove dependencies"
-
-  # Set up firewall to only allow port 7002
-  - echo "Setting up firewall..."
-  - bash /cocos_init/setup_firewall.sh && echo "Firewall configured successfully" || echo "Failed to configure firewall"
-  
-  # Ensure iptables rules persist after reboot
-  - echo "Ensuring iptables rules persist after reboot..."
-  - systemctl enable netfilter-persistent && echo "netfilter-persistent service enabled successfully" || echo "Failed to enable netfilter-persistent service"
-  - systemctl start netfilter-persistent && echo "netfilter-persistent service started successfully" || echo "Failed to start netfilter-persistent service"
-
-  # Set up algo_user environment
-  - echo "Setting up algo_user environment..."
-  - bash /cocos_init/setup_algo_user.sh && echo "algo_user environment setup successfully" || echo "Failed to set up algo_user environment"
-  
-  # Create datasets directory and set permissions
-  - echo "Creating datasets directory..."
-  - mkdir -p /datasets && echo "datasets directory created successfully" || echo "Failed to create datasets directory"
-  - chown root:root /datasets && echo "datasets ownership set successfully" || echo "Failed to set datasets ownership"
-  - chmod 755 /datasets && echo "datasets permissions set successfully" || echo "Failed to set datasets permissions"
-  
-  # Add algo_user to the docker group
-  - echo "Adding algo_user to the docker group..."
-  - usermod -aG docker algo_user && echo "Added algo_user to the docker group" || echo "Failed to add algo_user to the docker group"
-
-  # Reload systemd and enable the service
-  - echo "[ COCOS AGENT SETUP ] Reloading systemd daemon..."
-  - systemctl daemon-reload && echo "[ COCOS AGENT SETUP ] Systemd daemon reloaded successfully" || echo "[ COCOS AGENT SETUP ] Failed to reload systemd daemon"
-  - echo "[ COCOS AGENT SETUP ] Enabling cocos-agent.service..."
-  - systemctl enable cocos-agent.service && echo "[ COCOS AGENT SETUP ] cocos-agent.service enabled successfully" || echo "[ COCOS AGENT SETUP ] Failed to enable cocos-agent.service"
-  - echo "[ COCOS AGENT SETUP ] Starting cocos-agent.service..."
-  - systemctl start cocos-agent.service && echo "[ COCOS AGENT SETUP ] cocos-agent.service started successfully" || echo "[ COCOS AGENT SETUP ] Failed to start cocos-agent.service"
-
-final_message: "Cocos agent and algo_user setup complete. Verify logs to confirm successful service startup."

hal/cloud/meta-data

@@ -1,2 +0,0 @@
-instance-id: iid-cocos-vm
-local-hostname: cocos-vm

hal/cloud/qemu.sh

@@ -1,123 +0,0 @@
-#!/bin/bash
-
-# Source environment variables
-source ./.env
-
-# Required commands
-REQUIRED_CMDS=("wget" "cloud-localds" "$QEMU_BINARY" "qemu-img")
-
-# Check for required commands
-for cmd in "${REQUIRED_CMDS[@]}"; do
-    if ! command -v "$cmd" &> /dev/null; then
-        echo "Error: $cmd is not installed. Please install it and try again."
-        exit 1
-    fi
-done
-
-# Ensure script is run as root
-if [[ $EUID -ne 0 ]]; then
-    echo "Error: This script must be run as root."
-    exit 1
-fi
-
-# Create the root filesystem image if it doesn't exist
-if [ ! -f "$BASE_IMAGE" ]; then
-  echo "Downloading base Ubuntu image..."
-  wget -q "$BASE_IMAGE_URL" -O "$BASE_IMAGE" --show-progress
-fi
-
-# Create custom image
-echo "Creating custom QEMU image..."
-qemu-img create -f qcow2 -b "$BASE_IMAGE" -F qcow2 "$CUSTOM_IMAGE" "$DISK_SIZE"
-
-# Cloud-init configuration files
-CLOUD_CONFIG="config.yaml"
-META_DATA="meta-data"
-SEED_IMAGE="seed.img"
-
-# Create seed image for cloud-init
-echo "Creating seed image..."
-cloud-localds "$SEED_IMAGE" "$CLOUD_CONFIG" "$META_DATA"
-
-# Construct QEMU arguments from environment variables
-construct_qemu_args() {
-    args=()
-
-    args+=("-name" "$VM_NAME")
-
-    # Virtualization (Enable KVM)
-    if [ "$ENABLE_KVM" == "true" ]; then
-        args+=("-enable-kvm")
-    fi
-
-    # Machine, CPU, RAM
-    if [ -n "$MACHINE" ]; then
-        args+=("-machine" "$MACHINE")
-    fi
-
-    if [ -n "$CPU" ]; then
-        args+=("-cpu" "$CPU")
-    fi
-
-    args+=("-boot" "d")
-    args+=("-smp" "$SMP_COUNT,maxcpus=$SMP_MAXCPUS")
-    args+=("-m" "$MEMORY_SIZE,slots=$MEMORY_SLOTS,maxmem=$MAX_MEMORY")
-
-    # OVMF (if applicable)
-    if [ "$ENABLE_SEV_SNP" != "true" ]; then
-        args+=("-drive" "if=$OVMF_CODE_IF,format=$OVMF_CODE_FORMAT,unit=$OVMF_CODE_UNIT,file=$OVMF_CODE,readonly=$OVMF_CODE_READONLY")
-        args+=("-drive" "if=$OVMF_VARS_IF,format=$OVMF_VARS_FORMAT,unit=$OVMF_VARS_UNIT,file=$OVMF_VARS")
-    fi
-
-    # Network configuration
-    args+=("-netdev" "user,id=$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" ] || [ "$ENABLE_SEV_SNP" == "true" ]; then
-        sev_type="sev-guest"
-        kernel_hash=""
-        host_data=""
-
-        args+=("-machine" "confidential-guest-support=$SEV_ID,memory-backend=$MEM_ID")
-
-        if [ "$ENABLE_SEV_SNP" == "true" ]; then
-            args+=("-bios" "$OVMF_CODE_FILE")
-            sev_type="sev-snp-guest"
-
-            if [ -n "$SEV_HOST_DATA" ]; then
-                host_data=",host-data=$SEV_HOST_DATA"
-            fi
-        fi
-
-        if [ "$ENABLE_KERNEL_HASH" == "true" ]; then
-            kernel_hash=",kernel-hashes=on"
-        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")
-    fi
-
-    # Disk image configuration
-    args+=("-drive" "file=$SEED_IMAGE,media=cdrom")
-    args+=("-drive" "file=$CUSTOM_IMAGE,if=none,id=disk0,format=qcow2")
-    args+=("-device" "virtio-scsi-pci,id=scsi,disable-legacy=on,iommu_platform=true")
-    args+=("-device" "scsi-hd,drive=disk0")
-
-    # Display options
-    if [ "$NO_GRAPHIC" == "true" ]; then
-        args+=("-nographic")
-    fi
-
-    args+=("-monitor" "$MONITOR")
-    args+=("-vnc" ":9")
-
-    echo "${args[@]}"
-}
-
-qemu_args=$(construct_qemu_args)
-
-echo "Running QEMU with the following arguments: $qemu_args"
-echo "Starting QEMU VM..."
-$QEMU_BINARY $qemu_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 2025.05-rc1
+git checkout 2024.11-rc2
 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

@@ -65,47 +65,3 @@ CONFIG_PREEMPT_DYNAMIC=n
 CONFIG_DEBUG_PREEMPT=n
 CONFIG_CGROUP_MISC=y
 CONFIG_X86_CPUID=y
-
-CONFIG_NET_9P=y
-CONFIG_NET_9P_VIRTIO=y
-CONFIG_9P_FS=y
-CONFIG_9P_FS_POSIX_ACL=y
-CONFIG_9P_FS_SECURITY=y
-
-# TCG TPM
-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/board/cocos/post-build.sh

@@ -6,23 +6,6 @@ set -e
 # Add a console on tty1
 if [ -e ${TARGET_DIR}/etc/inittab ]; then
     grep -qE '^tty1::' ${TARGET_DIR}/etc/inittab || \
-    sed -i '/GENERIC_SERIAL/a\
+	sed -i '/GENERIC_SERIAL/a\
 tty1::respawn:/sbin/getty -L  tty1 0 vt100 # QEMU graphical window' ${TARGET_DIR}/etc/inittab
 fi
-
-# Create the mount points
-# Create the mount points
-mkdir -p ${TARGET_DIR}/etc/certs
-mkdir -p ${TARGET_DIR}/etc/cocos
-
-# Ensure /etc/fstab exists
-if [ ! -f "${TARGET_DIR}/etc/fstab" ]; then
-    touch "${TARGET_DIR}/etc/fstab"
-fi
-
-# Add the 9p entries to /etc/fstab
-grep -q "certs_share /etc/certs" ${TARGET_DIR}/etc/fstab || \
-echo "certs_share /etc/certs 9p trans=virtio,version=9p2000.L,cache=mmap 0 0" >> "${TARGET_DIR}/etc/fstab"
-
-grep -q "env_share /etc/cocos" ${TARGET_DIR}/etc/fstab || \
-echo "env_share /etc/cocos 9p trans=virtio,version=9p2000.L,cache=mmap 0 0" >> "${TARGET_DIR}/etc/fstab"

hal/linux/configs/cocos_defconfig

@@ -14,8 +14,6 @@ BR2_SYSTEM_BIN_SH_BASH=y
 BR2_TARGET_ROOTFS_CPIO=y
 BR2_TARGET_ROOTFS_CPIO_FULL=y
 BR2_TARGET_ROOTFS_CPIO_GZIP=y
-BR2_TARGET_ROOTFS_OVERLAY="overlay"
-BR2_PACKAGE_9PFS=y
 
 # Image
 BR2_ROOTFS_POST_BUILD_SCRIPT="$(BR2_EXTERNAL_COCOS_PATH)/board/cocos/post-build.sh"
@@ -27,14 +25,14 @@ BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG)"
 # Linux headers same as kernel
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_11=y
 BR2_TOOLCHAIN_HEADERS_LATEST=y
-BR2_TOOLCHAIN_HEADERS_AT_LEAST="6.11-rc7"
+BR2_TOOLCHAIN_HEADERS_AT_LEAST="6.12-rc6"
 
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_GIT=y
-BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/coconut-svsm/linux.git"
-BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="svsm"
-BR2_LINUX_KERNEL_VERSION="svsm"
+BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/torvalds/linux.git"
+BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="v6.12-rc6"
+BR2_LINUX_KERNEL_VERSION="v6.12-rc6"
 BR2_LINUX_KERNEL_PATCH=""
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_COCOS_PATH)/board/cocos/linux.config"

init/systemd/cocos-agent.service

@@ -7,11 +7,12 @@ Before=docker.service
 WorkingDirectory=/cocos
 StandardOutput=file:/var/log/cocos/agent.stdout
 StandardError=file:/var/log/cocos/agent.stderr
-EnvironmentFile=/etc/cocos/environment
+
+Environment=AGENT_GRPC_PORT=7002
+Environment=AGENT_LOG_LEVEL=info
+
 ExecStartPre=/cocos_init/agent_setup.sh
 ExecStart=/cocos_init/agent_start_script.sh
-Restart=always
-RestartSec=5s
 
 [Install]
 WantedBy=default.target

internal/logger/protohandler.go

@@ -7,9 +7,8 @@ import (
 	"io"
 	"log/slog"
 
-	"github.com/ultravioletrs/cocos/agent/cvms"
 	"github.com/ultravioletrs/cocos/agent/events"
-	"google.golang.org/protobuf/encoding/protojson"
+	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
@@ -19,17 +18,16 @@ type handler struct {
 	opts  slog.HandlerOptions
 	w     io.Writer
 	cmpID string
-	queue chan *cvms.ClientStreamMessage
 }
 
-func NewProtoHandler(conn io.Writer, opts *slog.HandlerOptions, queue chan *cvms.ClientStreamMessage) slog.Handler {
+func NewProtoHandler(conn io.Writer, opts *slog.HandlerOptions, cmpID string) slog.Handler {
 	if opts == nil {
 		opts = &slog.HandlerOptions{}
 	}
 	h := &handler{
 		opts:  *opts,
 		w:     conn,
-		queue: queue,
+		cmpID: cmpID,
 	}
 
 	return h
@@ -71,18 +69,7 @@ func (h *handler) Handle(_ context.Context, r slog.Record) error {
 			},
 		}
 
-		h.queue <- &cvms.ClientStreamMessage{
-			Message: &cvms.ClientStreamMessage_AgentLog{
-				AgentLog: &cvms.AgentLog{
-					Timestamp:     timestamp,
-					Message:       chunk,
-					Level:         level,
-					ComputationId: h.cmpID,
-				},
-			},
-		}
-
-		b, err := protojson.Marshal(&agentLog)
+		b, err := proto.Marshal(&agentLog)
 		if err != nil {
 			return err
 		}
@@ -91,11 +78,6 @@ func (h *handler) Handle(_ context.Context, r slog.Record) error {
 		if err != nil {
 			return err
 		}
-
-		_, err = h.w.Write([]byte("\n"))
-		if err != nil {
-			return err
-		}
 	}
 
 	return nil
@@ -106,8 +88,7 @@ func (h *handler) WithAttrs(attrs []slog.Attr) slog.Handler {
 }
 
 func (h *handler) WithGroup(name string) slog.Handler {
-	h.cmpID = name
-	return h
+	panic("unimplemented")
 }
 
 func (h *handler) Close() error {

internal/logger/protohandler_test.go

@@ -11,7 +11,6 @@ import (
 
 	"github.com/absmach/magistrala/pkg/errors"
 	"github.com/stretchr/testify/assert"
-	"github.com/ultravioletrs/cocos/agent/cvms"
 )
 
 type failedWriter struct{}
@@ -22,14 +21,14 @@ func (f *failedWriter) Write(p []byte) (n int, err error) {
 
 // TestNewProtoHandler tests the initialization of the ProtoHandler.
 func TestNewProtoHandler(t *testing.T) {
-	handler := NewProtoHandler(io.Discard, nil, make(chan *cvms.ClientStreamMessage))
+	handler := NewProtoHandler(io.Discard, nil, "testCmpID")
 
 	assert.NotNil(t, handler, "Handler should not be nil")
 }
 
 // TestHandleMessageSuccess tests the handling of a message when the write succeeds.
 func TestHandleMessageSuccess(t *testing.T) {
-	handler := NewProtoHandler(io.Discard, nil, make(chan *cvms.ClientStreamMessage, 1))
+	handler := NewProtoHandler(io.Discard, nil, "testCmpID")
 	record := slog.Record{
 		Time:    time.Now(),
 		Message: "Test message",
@@ -43,7 +42,7 @@ func TestHandleMessageSuccess(t *testing.T) {
 
 // TestHandleMessageFailure tests the caching mechanism when the write fails.
 func TestHandleMessageFailure(t *testing.T) {
-	protohandler := NewProtoHandler(&failedWriter{}, nil, make(chan *cvms.ClientStreamMessage, 1))
+	protohandler := NewProtoHandler(&failedWriter{}, nil, "testCmpID")
 	record := slog.Record{
 		Time:    time.Now(),
 		Message: "Test message",
@@ -57,7 +56,7 @@ func TestHandleMessageFailure(t *testing.T) {
 
 // TestEnabled tests that the handler enables logging based on level.
 func TestEnabled(t *testing.T) {
-	handler := NewProtoHandler(io.Discard, nil, make(chan *cvms.ClientStreamMessage, 1))
+	handler := NewProtoHandler(io.Discard, nil, "testCmpID")
 
 	assert.True(t, handler.Enabled(context.Background(), slog.LevelInfo), "Logging should be enabled for LevelInfo")
 	assert.False(t, handler.Enabled(context.Background(), slog.LevelDebug), "Logging should be disabled for LevelDebug by default")
@@ -67,7 +66,7 @@ func TestEnabled(t *testing.T) {
 func TestCloseStopsRetry(t *testing.T) {
 	mockWriter := io.Discard
 
-	handler := NewProtoHandler(mockWriter, nil, make(chan *cvms.ClientStreamMessage, 1)).(*handler)
+	handler := NewProtoHandler(mockWriter, nil, "testCmpID").(*handler)
 
 	time.Sleep(2 * time.Second)
 	err := handler.Close()

internal/server/grpc/grpc.go

@@ -4,7 +4,6 @@
 package grpc
 
 import (
-	"bytes"
 	"context"
 	"crypto/ecdsa"
 	"crypto/elliptic"
@@ -12,28 +11,20 @@ import (
 	"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"
@@ -60,21 +51,16 @@ type Server struct {
 	server.BaseServer
 	server          *grpc.Server
 	registerService serviceRegister
+	quoteProvider   client.QuoteProvider
 	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, authSvc auth.Authenticator, caUrl string, cvmId string) server.Server {
+func New(ctx context.Context, cancel context.CancelFunc, name string, config server.ServerConfiguration, registerService serviceRegister, logger *slog.Logger, qp client.QuoteProvider, authSvc auth.Authenticator) server.Server {
 	base := config.GetBaseConfig()
 	listenFullAddress := fmt.Sprintf("%s:%s", base.Host, base.Port)
 	return &Server{
@@ -87,9 +73,8 @@ func New(ctx context.Context, cancel context.CancelFunc, name string, config ser
 			Logger:  logger,
 		},
 		registerService: registerService,
+		quoteProvider:   qp,
 		authSvc:         authSvc,
-		caUrl:           caUrl,
-		cvmId:           cvmId,
 	}
 }
 
@@ -108,9 +93,8 @@ func (s *Server) Start() error {
 	creds := grpc.Creds(insecure.NewCredentials())
 	var listener net.Listener
 
-	c := s.Config.GetBaseConfig()
 	if agCfg, ok := s.Config.(server.AgentConfig); ok && agCfg.AttestedTLS {
-		certificateBytes, privateKeyBytes, err := generateCertificatesForATLS(s.caUrl, s.cvmId)
+		certificateBytes, privateKeyBytes, err := generateCertificatesForATLS()
 		if err != nil {
 			return fmt.Errorf("failed to create certificate: %w", err)
 		}
@@ -125,41 +109,6 @@ func (s *Server) Start() error {
 			Certificates: []tls.Certificate{certificate},
 		}
 
-		var mtls bool
-		mtls = false
-
-		// Loading Server CA file
-		rootCA, err := loadCertFile(c.ServerCAFile)
-		if err != nil {
-			return fmt.Errorf("failed to load server 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 server ca to tls.Config")
-			}
-			mtls = true
-		}
-
-		// 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")
-			}
-
-			tlsConfig.ClientAuth = tls.RequireAndVerifyClientCert
-			mtls = true
-		}
-
 		creds = grpc.Creds(credentials.NewTLS(tlsConfig))
 
 		listener, err = atls.Listen(
@@ -167,15 +116,12 @@ func (s *Server) Start() error {
 			certificateBytes,
 			privateKeyBytes,
 		)
-
 		if err != nil {
 			return fmt.Errorf("failed to create Listener for aTLS: %w", err)
-		} else if mtls {
-			s.Logger.Info(fmt.Sprintf("%s service gRPC server listening at %s with Attested mTLS", s.Name, s.Address))
-		} else {
-			s.Logger.Info(fmt.Sprintf("%s service gRPC server listening at %s with Attested TLS", s.Name, s.Address))
 		}
+		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)
@@ -292,8 +238,6 @@ func readFileOrData(input string) ([]byte, error) {
 		data, err := os.ReadFile(input)
 		if err == nil {
 			return data, nil
-		} else {
-			return nil, err
 		}
 	}
 	return []byte(input), nil
@@ -313,99 +257,33 @@ func loadX509KeyPair(certfile, keyfile string) (tls.Certificate, error) {
 	return tls.X509KeyPair(cert, key)
 }
 
-func generateCertificatesForATLS(caUrl string, cvmId string) ([]byte, []byte, error) {
+func generateCertificatesForATLS() ([]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{
+	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,
+	}
 
-		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
+	certDERBytes, err := x509.CreateCertificate(rand.Reader, certTemplate, certTemplate, &privateKey.PublicKey, privateKey)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to create certificate: %w", err)
 	}
 
 	certBytes := pem.EncodeToMemory(&pem.Block{
@@ -423,57 +301,5 @@ func generateCertificatesForATLS(caUrl string, cvmId string) ([]byte, []byte, er
 		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/server/grpc/grpc_test.go

@@ -21,7 +21,7 @@ import (
 	"github.com/stretchr/testify/assert"
 	authmocks "github.com/ultravioletrs/cocos/agent/auth/mocks"
 	"github.com/ultravioletrs/cocos/internal/server"
-	"github.com/ultravioletrs/cocos/pkg/attestation/vtpm"
+	"github.com/ultravioletrs/cocos/pkg/attestation/quoteprovider/mocks"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/test/bufconn"
 )
@@ -30,28 +30,6 @@ const bufSize = 1024 * 1024
 
 var lis *bufconn.Listener
 
-type DummyRWC struct{}
-
-// Read fills p with byte(len(p)) and returns len(p).
-func (l *DummyRWC) Read(p []byte) (int, error) {
-	n := len(p)
-	// Fill each byte in p with the value of n as a byte.
-	for i := range p {
-		p[i] = byte(n)
-	}
-	return n, nil
-}
-
-// Write simply returns len(p) indicating that all bytes were written.
-func (l *DummyRWC) Write(p []byte) (int, error) {
-	// In this simple implementation, we ignore the data.
-	return len(p), nil
-}
-
-func (l *DummyRWC) Close() error {
-	return nil
-}
-
 func init() {
 	lis = bufconn.Listen(bufSize)
 }
@@ -69,9 +47,10 @@ func TestNew(t *testing.T) {
 		},
 	}
 	logger := slog.Default()
+	qp := new(mocks.QuoteProvider)
 	authSvc := new(authmocks.Authenticator)
 
-	srv := New(ctx, cancel, "TestServer", config, func(srv *grpc.Server) {}, logger, authSvc, "", "")
+	srv := New(ctx, cancel, "TestServer", config, func(srv *grpc.Server) {}, logger, qp, authSvc)
 
 	assert.NotNil(t, srv)
 	assert.IsType(t, &Server{}, srv)
@@ -118,9 +97,10 @@ func TestServerStartWithTLSFile(t *testing.T) {
 
 	logBuffer := &ThreadSafeBuffer{}
 	logger := slog.New(slog.NewTextHandler(logBuffer, &slog.HandlerOptions{Level: slog.LevelDebug}))
+	qp := new(mocks.QuoteProvider)
 	authSvc := new(authmocks.Authenticator)
 
-	srv := New(ctx, cancel, "TestServer", config, func(srv *grpc.Server) {}, logger, authSvc, "", "")
+	srv := New(ctx, cancel, "TestServer", config, func(srv *grpc.Server) {}, logger, qp, authSvc)
 
 	var wg sync.WaitGroup
 	wg.Add(1)
@@ -164,9 +144,10 @@ func TestServerStartWithmTLSFile(t *testing.T) {
 
 	logBuffer := &ThreadSafeBuffer{}
 	logger := slog.New(slog.NewTextHandler(logBuffer, &slog.HandlerOptions{Level: slog.LevelDebug}))
+	qp := new(mocks.QuoteProvider)
 	authSvc := new(authmocks.Authenticator)
 
-	srv := New(ctx, cancel, "TestServer", config, func(srv *grpc.Server) {}, logger, authSvc, "", "")
+	srv := New(ctx, cancel, "TestServer", config, func(srv *grpc.Server) {}, logger, qp, authSvc)
 
 	var wg sync.WaitGroup
 	wg.Add(1)
@@ -203,9 +184,10 @@ func TestServerStop(t *testing.T) {
 	}
 	buf := &ThreadSafeBuffer{}
 	logger := slog.New(slog.NewTextHandler(buf, &slog.HandlerOptions{Level: slog.LevelDebug}))
+	qp := new(mocks.QuoteProvider)
 	authSvc := new(authmocks.Authenticator)
 
-	srv := New(ctx, cancel, "TestServer", config, func(srv *grpc.Server) {}, logger, authSvc, "", "")
+	srv := New(ctx, cancel, "TestServer", config, func(srv *grpc.Server) {}, logger, qp, authSvc)
 
 	go func() {
 		err := srv.Start()
@@ -277,8 +259,6 @@ func (b *ThreadSafeBuffer) String() string {
 }
 
 func TestServerInitializationAndStartup(t *testing.T) {
-	vtpm.ExternalTPM = &DummyRWC{}
-
 	testCases := []struct {
 		name          string
 		config        server.AgentConfig
@@ -327,24 +307,20 @@ func TestServerInitializationAndStartup(t *testing.T) {
 			expectedLog: "failed to load auth certificates",
 		},
 		{
-			name: "maTLS Server Startup",
+			name: "mTLS Server Startup",
 			config: server.AgentConfig{
 				ServerConfig: server.ServerConfig{
 					BaseConfig: server.BaseConfig{
-						Host:         "localhost",
-						Port:         "0",
-						ServerCAFile: "",
-						ClientCAFile: "",
+						Host: "localhost",
+						Port: "0",
 					},
 				},
-				AttestedTLS: true,
 			},
 			setupCallback: setupMTLSConfig,
-			expectError:   false,
-			expectedLog:   "with Attested mTLS",
+			expectedLog:   "TestServer service gRPC server listening at localhost:0 with TLS",
 		},
 		{
-			name: "maTLS Server Startup with Invalid Server CA file",
+			name: "mTLS Server Startup with Invalid Root CA",
 			config: server.AgentConfig{
 				ServerConfig: server.ServerConfig{
 					BaseConfig: server.BaseConfig{
@@ -353,14 +329,13 @@ func TestServerInitializationAndStartup(t *testing.T) {
 						ServerCAFile: "invalid",
 					},
 				},
-				AttestedTLS: true,
 			},
 			setupCallback: setupInvalidRootCAConfig,
 			expectError:   true,
-			expectedLog:   "failed to load server ca file",
+			expectedLog:   "failed to append root ca to tls.Config",
 		},
 		{
-			name: "maTLS Server Startup with Invalid Clinet CA file",
+			name: "mTLS Server Startup with Invalid Client CA",
 			config: server.AgentConfig{
 				ServerConfig: server.ServerConfig{
 					BaseConfig: server.BaseConfig{
@@ -369,11 +344,23 @@ func TestServerInitializationAndStartup(t *testing.T) {
 						ServerCAFile: "invalid",
 					},
 				},
-				AttestedTLS: true,
 			},
 			setupCallback: setupInvalidClientCAConfig,
 			expectError:   true,
-			expectedLog:   "failed to load client ca file",
+			expectedLog:   "failed to append client ca to tls.Config",
+		},
+		{
+			name: "Attested TLS Server Startup",
+			config: server.AgentConfig{
+				ServerConfig: server.ServerConfig{
+					BaseConfig: server.BaseConfig{
+						Host: "localhost",
+						Port: "0",
+					},
+				},
+				AttestedTLS: true,
+			},
+			expectedLog: "TestServer service gRPC server listening at localhost:0 with Attested TLS",
 		},
 	}
 
@@ -387,9 +374,10 @@ func TestServerInitializationAndStartup(t *testing.T) {
 
 			logBuffer := &ThreadSafeBuffer{}
 			logger := slog.New(slog.NewTextHandler(logBuffer, &slog.HandlerOptions{Level: slog.LevelDebug}))
+			qp := new(mocks.QuoteProvider)
 			authSvc := new(authmocks.Authenticator)
 
-			srv := New(ctx, cancel, "TestServer", tc.config, func(srv *grpc.Server) {}, logger, authSvc, "", "")
+			srv := New(ctx, cancel, "TestServer", tc.config, func(srv *grpc.Server) {}, logger, qp, authSvc)
 			var wg sync.WaitGroup
 			wg.Add(1)
 

internal/server/mocks/server.go

@@ -1,7 +1,7 @@
 // Copyright (c) Ultraviolet
 // SPDX-License-Identifier: Apache-2.0
 
-// Code generated by mockery v2.53.3. DO NOT EDIT.
+// Code generated by mockery v2.43.2. DO NOT EDIT.
 
 package mocks
 
@@ -20,7 +20,7 @@ func (_m *Server) EXPECT() *Server_Expecter {
 	return &Server_Expecter{mock: &_m.Mock}
 }
 
-// Start provides a mock function with no fields
+// Start provides a mock function with given fields:
 func (_m *Server) Start() error {
 	ret := _m.Called()
 
@@ -65,7 +65,7 @@ func (_c *Server_Start_Call) RunAndReturn(run func() error) *Server_Start_Call {
 	return _c
 }
 
-// Stop provides a mock function with no fields
+// Stop provides a mock function with given fields:
 func (_m *Server) Stop() error {
 	ret := _m.Called()
 

internal/vsock/client.go

@@ -0,0 +1,247 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+
+package vsock
+
+import (
+	"context"
+	"encoding/binary"
+	"fmt"
+	"io"
+	"log"
+	"net"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"google.golang.org/protobuf/proto"
+)
+
+const (
+	maxRetries     = 3
+	retryDelay     = time.Second
+	maxMessageSize = 1 << 20 // 1 MB
+	ackTimeout     = 5 * time.Second
+	maxConcurrent  = 100
+)
+
+type MessageStatus int
+
+const (
+	StatusPending MessageStatus = iota
+	StatusSent
+	StatusAcknowledged
+	StatusFailed
+)
+
+type Message struct {
+	ID      uint32
+	Content []byte
+	Status  MessageStatus
+	Retries int
+}
+
+type AckWriter struct {
+	conn            net.Conn
+	pendingMessages chan *Message
+	messageStore    sync.Map // map[uint32]*Message
+	nextID          uint32
+	ctx             context.Context
+	cancel          context.CancelFunc
+	wg              sync.WaitGroup
+}
+
+func NewAckWriter(conn net.Conn) io.WriteCloser {
+	ctx, cancel := context.WithCancel(context.Background())
+	aw := &AckWriter{
+		conn:            conn,
+		pendingMessages: make(chan *Message, maxConcurrent),
+		nextID:          1,
+		ctx:             ctx,
+		cancel:          cancel,
+	}
+	aw.wg.Add(2)
+	go aw.sendMessages()
+	go aw.handleAcknowledgments()
+	return aw
+}
+
+func (aw *AckWriter) Write(p []byte) (int, error) {
+	if len(p) > maxMessageSize {
+		return 0, fmt.Errorf("message size exceeds maximum allowed size of %d bytes", maxMessageSize)
+	}
+
+	messageID := atomic.AddUint32(&aw.nextID, 1)
+	message := &Message{
+		ID:      messageID,
+		Content: make([]byte, len(p)),
+		Status:  StatusPending,
+	}
+	copy(message.Content, p)
+
+	aw.messageStore.Store(messageID, message)
+	select {
+	case aw.pendingMessages <- message:
+		return len(p), nil
+	case <-aw.ctx.Done():
+		return 0, fmt.Errorf("writer is closed")
+	}
+}
+
+func (aw *AckWriter) sendMessages() {
+	defer aw.wg.Done()
+
+	for {
+		select {
+		case <-aw.ctx.Done():
+			return
+		case msg := <-aw.pendingMessages:
+			if err := aw.sendWithRetry(msg); err != nil {
+				log.Printf("Failed to send message %d after all retries: %v", msg.ID, err)
+				msg.Status = StatusFailed
+				aw.messageStore.Store(msg.ID, msg)
+			}
+		}
+	}
+}
+
+func (aw *AckWriter) sendWithRetry(msg *Message) error {
+	for msg.Retries < maxRetries {
+		if err := aw.writeMessage(msg.ID, msg.Content); err != nil {
+			msg.Retries++
+			msg.Status = StatusPending
+			log.Printf("Error writing message %d (attempt %d): %v", msg.ID, msg.Retries, err)
+			time.Sleep(retryDelay)
+			continue
+		}
+		msg.Status = StatusSent
+		aw.messageStore.Store(msg.ID, msg)
+		return nil
+	}
+	return fmt.Errorf("max retries reached")
+}
+
+func (aw *AckWriter) writeMessage(messageID uint32, p []byte) error {
+	if err := binary.Write(aw.conn, binary.LittleEndian, messageID); err != nil {
+		return fmt.Errorf("failed to write message ID: %w", err)
+	}
+
+	messageLen := uint32(len(p))
+	if err := binary.Write(aw.conn, binary.LittleEndian, messageLen); err != nil {
+		return fmt.Errorf("failed to write message length: %w", err)
+	}
+
+	if _, err := aw.conn.Write(p); err != nil {
+		return fmt.Errorf("failed to write message content: %w", err)
+	}
+
+	return nil
+}
+
+func (aw *AckWriter) handleAcknowledgments() {
+	defer aw.wg.Done()
+
+	for {
+		select {
+		case <-aw.ctx.Done():
+			return
+		default:
+			var ackID uint32
+			if err := binary.Read(aw.conn, binary.LittleEndian, &ackID); err != nil {
+				if err == io.EOF {
+					log.Println("Connection closed, stopping acknowledgment handler")
+					return
+				}
+				log.Printf("Error reading ACK: %v", err)
+				time.Sleep(retryDelay)
+				continue
+			}
+
+			if msg, ok := aw.messageStore.Load(ackID); ok {
+				m := msg.(*Message)
+				m.Status = StatusAcknowledged
+				aw.messageStore.Store(ackID, m)
+
+				// Clean up old messages periodically
+				go aw.cleanupOldMessages(ackID)
+			} else {
+				log.Printf("Received ACK for unknown message ID: %d", ackID)
+			}
+		}
+	}
+}
+
+func (aw *AckWriter) cleanupOldMessages(currentID uint32) {
+	aw.messageStore.Range(func(key, value interface{}) bool {
+		msgID := key.(uint32)
+		msg := value.(*Message)
+
+		// Clean up acknowledged messages that are old
+		if msg.Status == StatusAcknowledged && msgID < currentID-maxConcurrent {
+			aw.messageStore.Delete(msgID)
+		}
+		return true
+	})
+}
+
+func (aw *AckWriter) Close() error {
+	aw.cancel()
+	aw.wg.Wait()
+	return aw.conn.Close()
+}
+
+type Reader interface {
+	Read() ([]byte, error)
+	ReadProto(msg proto.Message) error
+}
+
+type AckReader struct {
+	conn net.Conn
+	ctx  context.Context
+}
+
+func NewAckReader(conn net.Conn) Reader {
+	return &AckReader{
+		conn: conn,
+		ctx:  context.Background(),
+	}
+}
+
+func (ar *AckReader) ReadProto(msg proto.Message) error {
+	data, err := ar.Read()
+	if err != nil {
+		return fmt.Errorf("failed to read proto message: %w", err)
+	}
+	return proto.Unmarshal(data, msg)
+}
+
+func (ar *AckReader) Read() ([]byte, error) {
+	var messageID uint32
+	if err := binary.Read(ar.conn, binary.LittleEndian, &messageID); err != nil {
+		return nil, fmt.Errorf("error reading message ID: %w", err)
+	}
+
+	var messageLen uint32
+	if err := binary.Read(ar.conn, binary.LittleEndian, &messageLen); err != nil {
+		return nil, fmt.Errorf("error reading message length: %w", err)
+	}
+
+	if messageLen > maxMessageSize {
+		return nil, fmt.Errorf("message size %d exceeds maximum allowed size of %d bytes", messageLen, maxMessageSize)
+	}
+
+	data := make([]byte, messageLen)
+	if _, err := io.ReadFull(ar.conn, data); err != nil {
+		return nil, fmt.Errorf("error reading message content: %w", err)
+	}
+
+	if err := ar.sendAck(messageID); err != nil {
+		return nil, fmt.Errorf("error sending ACK: %w", err)
+	}
+
+	return data, nil
+}
+
+func (ar *AckReader) sendAck(messageID uint32) error {
+	return binary.Write(ar.conn, binary.LittleEndian, messageID)
+}

internal/vsock/client_test.go

@@ -0,0 +1,337 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package vsock
+
+import (
+	"bytes"
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"io"
+	"net"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/ultravioletrs/cocos/manager"
+	"google.golang.org/protobuf/proto"
+)
+
+// MockConn implements net.Conn for testing purposes.
+type MockConn struct {
+	ReadData    []byte
+	WrittenData []byte
+	ReadErr     error
+	WriteErr    error
+	closed      bool
+	mu          sync.Mutex
+}
+
+func (m *MockConn) Read(b []byte) (n int, err error) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+	if m.closed {
+		return 0, io.EOF
+	}
+	if len(m.ReadData) == 0 {
+		return 0, io.EOF // Ensure we handle this case more predictably
+	}
+	if m.ReadErr != nil {
+		return 0, m.ReadErr
+	}
+	n = copy(b, m.ReadData)
+	m.ReadData = m.ReadData[n:]
+	return n, nil
+}
+
+func (m *MockConn) Write(b []byte) (n int, err error) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+	if m.closed {
+		return 0, errors.New("connection closed")
+	}
+	if m.WriteErr != nil {
+		return 0, m.WriteErr
+	}
+	m.WrittenData = append(m.WrittenData, b...)
+	return len(b), nil
+}
+
+func (m *MockConn) Close() error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+	m.closed = true
+	return nil
+}
+
+// Implement other net.Conn methods with empty implementations.
+func (m *MockConn) LocalAddr() net.Addr                { return nil }
+func (m *MockConn) RemoteAddr() net.Addr               { return nil }
+func (m *MockConn) SetDeadline(t time.Time) error      { return nil }
+func (m *MockConn) SetReadDeadline(t time.Time) error  { return nil }
+func (m *MockConn) SetWriteDeadline(t time.Time) error { return nil }
+
+func TestAckReader_Read(t *testing.T) {
+	tests := []struct {
+		name    string
+		data    []byte
+		wantErr bool
+	}{
+		{"Valid message", []byte("Hello, World!"), false},
+		{"Empty message", []byte{}, false},
+		{"Message at max size", make([]byte, maxMessageSize), false},
+		{"Message exceeds max size", make([]byte, maxMessageSize+1), true},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mockConn := &MockConn{}
+			ar := NewAckReader(mockConn)
+
+			// Prepare mock data
+			messageID := uint32(1)
+			messageLen := uint32(len(tt.data))
+			mockData := make([]byte, 8+len(tt.data))
+			binary.LittleEndian.PutUint32(mockData[:4], messageID)
+			binary.LittleEndian.PutUint32(mockData[4:8], messageLen)
+			copy(mockData[8:], tt.data)
+			mockConn.ReadData = mockData
+
+			data, err := ar.Read()
+
+			if (err != nil) != tt.wantErr {
+				t.Errorf("AckReader.Read() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+
+			if !tt.wantErr {
+				if !bytes.Equal(data, tt.data) {
+					t.Errorf("AckReader.Read() got = %v, want %v", data, tt.data)
+				}
+
+				// Check if ACK was sent
+				if len(mockConn.WrittenData) != 4 {
+					t.Errorf("AckReader.Read() did not send ACK")
+				} else {
+					ackID := binary.LittleEndian.Uint32(mockConn.WrittenData)
+					if ackID != messageID {
+						t.Errorf("AckReader.Read() sent wrong ACK ID, got %d, want %d", ackID, messageID)
+					}
+				}
+			}
+		})
+	}
+}
+
+func TestAckReader_ReadProto(t *testing.T) {
+	tests := []struct {
+		name    string
+		msg     *manager.ClientStreamMessage
+		wantErr bool
+	}{
+		{"Valid proto message", &manager.ClientStreamMessage{}, false},
+		{"Empty proto message", &manager.ClientStreamMessage{}, false},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mockConn := &MockConn{}
+			ar := NewAckReader(mockConn)
+
+			// Prepare mock data
+			protoData, _ := proto.Marshal(tt.msg)
+			messageID := uint32(1)
+			messageLen := uint32(len(protoData))
+			mockData := make([]byte, 8+len(protoData))
+			binary.LittleEndian.PutUint32(mockData[:4], messageID)
+			binary.LittleEndian.PutUint32(mockData[4:8], messageLen)
+			copy(mockData[8:], protoData)
+			mockConn.ReadData = mockData
+
+			receivedMsg := &manager.ClientStreamMessage{}
+			err := ar.ReadProto(receivedMsg)
+
+			if (err != nil) != tt.wantErr {
+				t.Errorf("AckReader.ReadProto() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+
+			if !tt.wantErr {
+				if receivedMsg.Message != tt.msg.Message {
+					t.Errorf("AckReader.ReadProto() got = %v, want %v", receivedMsg, tt.msg)
+				}
+
+				// Check if ACK was sent
+				if len(mockConn.WrittenData) != 4 {
+					t.Errorf("AckReader.ReadProto() did not send ACK")
+				} else {
+					ackID := binary.LittleEndian.Uint32(mockConn.WrittenData)
+					if ackID != messageID {
+						t.Errorf("AckReader.ReadProto() sent wrong ACK ID, got %d, want %d", ackID, messageID)
+					}
+				}
+			}
+		})
+	}
+}
+
+func TestNewAckWriter(t *testing.T) {
+	mockConn := &MockConn{}
+	writer := NewAckWriter(mockConn)
+
+	if _, ok := writer.(io.Writer); !ok {
+		t.Errorf("NewAckWriter() did not return an io.Writer")
+	}
+}
+
+func TestNewAckReader(t *testing.T) {
+	mockConn := &MockConn{}
+	reader := NewAckReader(mockConn)
+
+	assert.NotNil(t, reader)
+}
+
+func TestAckWriter_Close(t *testing.T) {
+	mockConn := &MockConn{}
+	aw := NewAckWriter(mockConn)
+
+	err := aw.Close()
+	if err != nil {
+		t.Errorf("AckWriter.Close() error = %v, wantErr %v", err, nil)
+	}
+
+	if !mockConn.closed {
+		t.Errorf("AckWriter.Close() did not close the connection")
+	}
+}
+
+func TestAckWriter_Write(t *testing.T) {
+	tests := []struct {
+		name          string
+		input         []byte
+		expectErr     bool
+		expectedError string
+	}{
+		{
+			name:          "Message exceeds max size",
+			input:         make([]byte, maxMessageSize+1),
+			expectErr:     true,
+			expectedError: "message size exceeds maximum allowed size",
+		},
+		{
+			name:      "Write succeeds",
+			input:     []byte("Hello, world!"),
+			expectErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mockConn := &MockConn{
+				mu: sync.Mutex{},
+			}
+
+			writer := NewAckWriter(mockConn)
+			defer writer.Close()
+
+			if tt.expectErr {
+				writer.(*AckWriter).ctx.Done()
+			}
+
+			time.Sleep(100 * time.Millisecond)
+
+			n, err := writer.Write(tt.input)
+
+			if tt.expectErr {
+				assert.Error(t, err)
+				if tt.expectedError != "" {
+					assert.Contains(t, err.Error(), tt.expectedError)
+				}
+				assert.Zero(t, n)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, len(tt.input), n)
+			}
+		})
+	}
+}
+
+func TestAckWriter_CleanupOldMessages(t *testing.T) {
+	mockConn := &MockConn{}
+	writer := NewAckWriter(mockConn).(*AckWriter)
+	defer writer.Close()
+
+	for i := uint32(1); i <= maxConcurrent+10; i++ {
+		msg := &Message{
+			ID:      i,
+			Content: []byte("test"),
+			Status:  StatusAcknowledged,
+		}
+		writer.messageStore.Store(i, msg)
+	}
+
+	writer.cleanupOldMessages(maxConcurrent + 11)
+
+	var count int
+	writer.messageStore.Range(func(key, value interface{}) bool {
+		count++
+		return true
+	})
+
+	assert.LessOrEqual(t, count, maxConcurrent)
+}
+
+func TestAckReader_LargeMessage(t *testing.T) {
+	mockConn := &MockConn{}
+	reader := NewAckReader(mockConn)
+
+	largeMessage := make([]byte, maxMessageSize-1)
+	for i := range largeMessage {
+		largeMessage[i] = byte(i % 256)
+	}
+
+	messageID := uint32(1)
+	messageLen := uint32(len(largeMessage))
+	mockData := make([]byte, 8+len(largeMessage))
+	binary.LittleEndian.PutUint32(mockData[:4], messageID)
+	binary.LittleEndian.PutUint32(mockData[4:8], messageLen)
+	copy(mockData[8:], largeMessage)
+	mockConn.ReadData = mockData
+
+	data, err := reader.Read()
+	assert.NoError(t, err)
+	assert.Equal(t, largeMessage, data)
+
+	assert.Equal(t, 4, len(mockConn.WrittenData))
+	ackID := binary.LittleEndian.Uint32(mockConn.WrittenData)
+	assert.Equal(t, messageID, ackID)
+}
+
+func TestAckWriter_FailedSends(t *testing.T) {
+	mockConn := &MockConn{
+		WriteErr: errors.New("write error"),
+	}
+	writer := NewAckWriter(mockConn).(*AckWriter)
+	defer writer.Close()
+
+	// Add some messages to the channel
+	for i := 0; i < 5; i++ {
+		msg := &Message{
+			ID:      uint32(i + 1),
+			Content: []byte(fmt.Sprintf("Message %d", i+1)),
+			Status:  StatusPending,
+		}
+		writer.pendingMessages <- msg
+	}
+
+	// Wait for the messages to be sent
+	time.Sleep(100 * time.Millisecond)
+
+	// Check that the messages were marked as failed
+	writer.messageStore.Range(func(key, value interface{}) bool {
+		msg := value.(*Message)
+		assert.Equal(t, StatusFailed, msg.Status)
+		return true
+	})
+}

manager/README.md

@@ -6,70 +6,62 @@ Manager service provides a barebones gRPC API and Service interface implementati
 
 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                        |
-| ------------------------------------------ | ---------------------------------------------------------------------------------------------------------------- | ------------------------------ |
-| COCOS_JAEGER_URL                           | The URL for the Jaeger tracing endpoint.                                                                         | http://localhost:4318          |
-| COCOS_JAEGER_TRACE_RATIO                   | The ratio of traces to sample.                                                                                   | 1.0                            |
-| MANAGER_INSTANCE_ID                        | The instance ID for the manager service.                                                                         |                                |
-| 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_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                          |
-| MANAGER_QEMU_MEMORY_SLOTS                  | The number of memory slots for the virtual machine.                                                              | 5                              |
-| MANAGER_QEMU_MAX_MEMORY                    | The maximum memory size for the virtual machine. Can be specified in a human-readable format like "30G".         | 30G                            |
-| MANAGER_QEMU_OVMF_CODE_IF                  | The interface type for the OVMF code.                                                                            | pflash                         |
-| MANAGER_QEMU_OVMF_CODE_FORMAT              | The format of the OVMF code file.                                                                                | raw                            |
-| MANAGER_QEMU_OVMF_CODE_UNIT                | The unit number for the OVMF code.                                                                               | 0                              |
-| MANAGER_QEMU_OVMF_CODE_FILE                | The file path for the OVMF code.                                                                                 | /usr/share/OVMF/OVMF_CODE.fd   |
-| MANAGER_QEMU_OVMF_VERSION                  | The version number of EDKII from which OVMF was built                                                            | edk2-stable202408              |
-| MANAGER_QEMU_OVMF_CODE_READONLY            | Whether the OVMF code should be read-only.                                                                       | on                             |
-| MANAGER_QEMU_OVMF_VARS_IF                  | The interface type for the OVMF variables.                                                                       | pflash                         |
-| MANAGER_QEMU_OVMF_VARS_FORMAT              | The format of the OVMF variables file.                                                                           | raw                            |
-| MANAGER_QEMU_OVMF_VARS_UNIT                | The unit number for the OVMF variables.                                                                          | 1                              |
-| MANAGER_QEMU_OVMF_VARS_FILE                | The file path for the OVMF variables.                                                                            | /usr/share/OVMF/OVMF_VARS.fd   |
-| MANAGER_QEMU_NETDEV_ID                     | The ID for the network device.                                                                                   | vmnic                          |
-| MANAGER_QEMU_HOST_FWD_AGENT                | The port number for the host forward agent.                                                                      | 7020                           |
-| MANAGER_QEMU_GUEST_FWD_AGENT               | The port number for the guest forward agent.                                                                     | 7002                           |
-| MANAGER_QEMU_VIRTIO_NET_PCI_DISABLE_LEGACY | Whether to disable the legacy PCI device.                                                                        | on                             |
-| MANAGER_QEMU_VIRTIO_NET_PCI_IOMMU_PLATFORM | Whether to enable the IOMMU platform for the virtio-net PCI device.                                              | true                           |
-| MANAGER_QEMU_VIRTIO_NET_PCI_ADDR           | The PCI address for the virtio-net PCI device.                                                                   | 0x2                            |
-| 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_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                           |
-| MANAGER_QEMU_SMP_COUNT                     | The number of virtual CPUs.                                                                                      | 4                              |
-| MANAGER_QEMU_SMP_MAXCPUS                   | The maximum number of virtual CPUs.                                                                              | 64                             |
-| MANAGER_QEMU_MEM_ID                        | The ID for the memory device.                                                                                    | ram1                           |
-| 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                      |
+| Variable                                  | Description                                                                                                      | Default                      |
+| ----------------------------------------- | ---------------------------------------------------------------------------------------------------------------- | ---------------------------- |
+| COCOS_JAEGER_URL                          | The URL for the Jaeger tracing endpoint.                                                                         | http://localhost:4318        |
+| COCOS_JAEGER_TRACE_RATIO                  | The ratio of traces to sample.                                                                                   | 1.0                          |
+| MANAGER_INSTANCE_ID                       | The instance ID for the manager service.                                                                         |                              |
+| MANAGER_ATTESTATION_POLICY_BINARY         | The file path for the attestation policy binary.                                                                 | ../../build                  |
+| 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_EOS_VERSION                       | The EOS version used for booting SVMs.                                                                           |                              |
+| 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                        |
+| MANAGER_QEMU_MEMORY_SLOTS                 | The number of memory slots for the virtual machine.                                                              | 5                            |
+| MANAGER_QEMU_MAX_MEMORY                   | The maximum memory size for the virtual machine. Can be specified in a human-readable format like "30G".         | 30G                          |
+| MANAGER_QEMU_OVMF_CODE_IF                 | The interface type for the OVMF code.                                                                            | pflash                       |
+| MANAGER_QEMU_OVMF_CODE_FORMAT             | The format of the OVMF code file.                                                                                | raw                          |
+| MANAGER_QEMU_OVMF_CODE_UNIT               | The unit number for the OVMF code.                                                                               | 0                            |
+| MANAGER_QEMU_OVMF_CODE_FILE               | The file path for the OVMF code.                                                                                 | /usr/share/OVMF/OVMF_CODE.fd |
+| MANAGER_QEMU_OVMF_VERSION                 | The version number of EDKII from which OVMF was built                                                            | edk2-stable202408            |
+| MANAGER_QEMU_OVMF_CODE_READONLY           | Whether the OVMF code should be read-only.                                                                       | on                           |
+| MANAGER_QEMU_OVMF_VARS_IF                 | The interface type for the OVMF variables.                                                                       | pflash                       |
+| MANAGER_QEMU_OVMF_VARS_FORMAT             | The format of the OVMF variables file.                                                                           | raw                          |
+| MANAGER_QEMU_OVMF_VARS_UNIT               | The unit number for the OVMF variables.                                                                          | 1                            |
+| MANAGER_QEMU_OVMF_VARS_FILE               | The file path for the OVMF variables.                                                                            | /usr/share/OVMF/OVMF_VARS.fd |
+| MANAGER_QEMU_NETDEV_ID                    | The ID for the network device.                                                                                   | vmnic                        |
+| MANAGER_QEMU_HOST_FWD_AGENT               | The port number for the host forward agent.                                                                      | 7020                         |
+| MANAGER_QEMU_GUEST_FWD_AGENT              | The port number for the guest forward agent.                                                                     | 7002                         |
+| MANAGER_QEMU_VIRTIO_NET_PCI_DISABLE_LEGACY | Whether to disable the legacy PCI device.                                                                       | on                           |
+| MANAGER_QEMU_VIRTIO_NET_PCI_IOMMU_PLATFORM | Whether to enable the IOMMU platform for the virtio-net PCI device.                                             | true                         |
+| MANAGER_QEMU_VIRTIO_NET_PCI_ADDR           | The PCI address for the virtio-net PCI device.                                                                  | 0x2                          |
+| 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_HOST_DATA                     | Additional data for the SEV host.                                                                               |                              |
+| 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_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                         |
+| MANAGER_QEMU_SMP_COUNT                     | The number of virtual CPUs.                                                                                     | 4                            |
+| MANAGER_QEMU_SMP_MAXCPUS                   | The maximum number of virtual CPUs.                                                                             | 64                           |
+| MANAGER_QEMU_MEM_ID                        | The ID for the memory device.                                                                                   | ram1                         |
+| MANAGER_QEMU_KERNEL_HASH                   | Whether to enable kernel hash verification.                                                                     | false                        |
+| 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                    |
 
 ## Setup
 
@@ -96,11 +88,21 @@ sudo apt install qemu-kvm
 
 Create `img` directory in `cmd/manager`.
 
-#### Virtual filesystem
+#### Add Vsock
+The necessary kernel modules must be loaded on the hypervisor. To check if `vhost_vsock` is loaded run:
+```shell
+lsmod | grep vhost_vsock
+```
 
-9P (or Plan 9 Filesystem) in QEMU is a lightweight, network-based file-sharing protocol. In Cocos, the 9P is used to transfer environment variables and TLS certificates for cloud communication from the Manager to the Agent.
+If `vhost_vsock` is not loaded run the following commands:
 
-You should define the environment variables in a file called environment. For the number and meaning of the environment variables, please refer to the Agent [Readme](https://github.com/ultravioletrs/cocos/blob/main/agent/README.md).
+```shell
+sudo modprobe vhost_vsock
+ls -l /dev/vhost-vsock
+# crw-rw-rw- 1 root kvm 10, 241 Jan 16 12:05 /dev/vhost-vsock
+ls -l /dev/vsock
+# crw-rw-rw- 1 root root 10, 121 Jan 16 12:05 /dev/vsock
+```
 
 ### Prepare Cocos HAL
 
@@ -120,32 +122,10 @@ OVMF_CODE=/usr/share/OVMF/OVMF_CODE.fd
 
 sudo find / -name OVMF_VARS.fd
 # => /usr/share/OVMF/OVMF_VARS.fd
+OVMF_VARS=/usr/share/OVMF/OVMF_VARS.fd
 
-# Create a local copy of OVMF_VARS.
-cp /usr/share/OVMF/OVMF_VARS.fd .
-
-# Create a directory for the environment file and the certificates for cloud certificates.
-mkdir env
-mkdir certs
-
-# Enter the env directory and create the environemnt file.
-cd env
-touch environment
-
-# Define Computations endpoint URL for agent.
-# Make sure the Computation endpoint is running (like Cocos Prism).
-echo AGENT_CVM_GRPC_URL=localhost:7001 >> ./environment
-# Define log level for the agent.
-echo AGENT_LOG_LEVEL=debug >> ./environment
-
-# Return to cmd/manager
-cd ..
-
-OVMF_VARS=./OVMF_VARS.fd
 KERNEL="img/bzImage"
 INITRD="img/rootfs.cpio.gz"
-ENV_PATH=./env
-CERTH_PATH=./certs
 
 qemu-system-x86_64 \
     -enable-kvm \
@@ -155,19 +135,15 @@ qemu-system-x86_64 \
     -m 2048M,slots=5,maxmem=10240M \
     -no-reboot \
     -drive if=pflash,format=raw,unit=0,file=$OVMF_CODE,readonly=on \
-    -drive if=pflash,format=raw,unit=1,file=$OVMF_VARS \
     -netdev user,id=vmnic,hostfwd=tcp::7020-:7002 \
     -device virtio-net-pci,disable-legacy=on,iommu_platform=true,netdev=vmnic,romfile= \
+    -device vhost-vsock-pci,id=vhost-vsock-pci0,guest-cid=3 -vnc :0 \
     -kernel $KERNEL \
     -append "earlyprintk=serial console=ttyS0" \
     -initrd $INITRD \
     -nographic \
     -monitor pty \
-    -monitor unix:monitor,server,nowait \
-    -fsdev local,id=env_fs,path=$ENV_PATH,security_model=mapped \
-    -device virtio-9p-pci,fsdev=env_fs,mount_tag=env_share \
-    -fsdev local,id=cert_fs,path=$CERTH_PATH,security_model=mapped \
-    -device virtio-9p-pci,fsdev=cert_fs,mount_tag=certs_share
+    -monitor unix:monitor,server,nowait
 ```
 Once the VM is booted press enter and on the login use username `root`.
 
@@ -212,21 +188,10 @@ MANAGER_QEMU_OVMF_VARS_FILE=/usr/share/OVMF/OVMF_VARS.fd
 
 NB: we set environment variables that we will use in the shell process where we run `manager`.
 
-### Trusted Platform Module (TPM)
-
-The Trusted Platform Module (TPM) plays a fundamental role in this process by providing a tamper-resistant foundation for cryptographic operations, securing sensitive artifacts, measuring system state, and enabling attestation mechanisms.
-
-### IGVM
-
-An IGVM file contains all the necessary information to launch a virtual machine on different virtualization platforms. It includes setup commands for the guest system and verification data to ensure the VM is loaded securely and correctly.
-
-Cocos uses the [COCONUT-SVSM](https://github.com/coconut-svsm/svsm/blob/main/Documentation/docs/installation/INSTALL.md) for the vTPM. The IGVM file contains the OVMF file and the vTPM.
 
 ## Deployment
 
-To start the service, execute the following shell script (note a server needs to be running see [here](../test/cvms/README.md)):
-
-The manager can be started as a *systemd* service or a standalone executable. To start the manager as a systemd service, look at the systemd service script [here](https://github.com/ultravioletrs/cocos/blob/main/init/systemd/cocos-manager.service). The environment variables are defined in the `cocos-manager.env` file. Below are examples of how to start the manager.
+To start the service, execute the following shell script (note a server needs to be running see  [here](../test/computations/README.md)):
 
 ```bash
 # Download the latest version of the service
@@ -238,14 +203,13 @@ cd cocos
 make manager
 
 # Set the environment variables and run the service
-MANAGER_GRPC_URL=localhost:7001 \
+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
@@ -257,7 +221,7 @@ MANAGER_QEMU_SEV_CBITPOS=51 \
 ./build/cocos-manager
 ```
 
-To start SEV-SNP, define the IGVM file that contains the vTPM and the OVMF (combined OVMF_CODE and OVMF_VARS) of the CVM.
+To build the OVMF with the kernel hash capability, we must build the AmdSev package of OVMF. The result of the build should be a single `OVMF.fd` file (unlike the regular two OVFM files). The OVMF package is located at `OvmfPkg/AmdSev/AmdSevX64.dsc`.
 
 To enable [AMD SEV-SNP](https://www.amd.com/en/developer/sev.html) support, start manager like this 
 
@@ -268,24 +232,60 @@ MANAGER_QEMU_ENABLE_SEV=false \
 MANAGER_QEMU_ENABLE_SEV_SNP=true \
 MANAGER_QEMU_SEV_CBITPOS=51 \
 MANAGER_QEMU_BIN_PATH=<path to QEMU binary> \
-MANAGER_QEMU_IGVM_FILE=<path to IGVM file> \
+MANAGER_QEMU_QEMU_OVMF_CODE_FILE=<path to OVMF.fd Amd Sev built package> \
 ./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
+To include the kernel hash into the measurement of the attestation report (SEV or SEV-SNP), start manager like this
 
 ```sh
 MANAGER_GRPC_URL=localhost:7001 \
 MANAGER_LOG_LEVEL=debug \
 MANAGER_QEMU_ENABLE_SEV=false \
-MANAGER_QEMU_ENABLE_SEV_SNP=false \
-MANAGER_QEMU_ENABLE_TDX=true \
-MANAGER_QEMU_CPU=host \
+MANAGER_QEMU_ENABLE_SEV_SNP=true \
+MANAGER_QEMU_SEV_CBITPOS=51 \
+MANAGER_QEMU_KERNEL_HASH=true \
 MANAGER_QEMU_BIN_PATH=<path to QEMU binary> \
-MANAGER_QEMU_OVMF_FILE=<path to OVMF file> \
+MANAGER_QEMU_QEMU_OVMF_CODE_FILE=<path to OVMF.fd Amd Sev built package> \
 ./build/cocos-manager
 ```
 
+### Verifying VM launch
+
+NB: To verify that the manager successfully launched the VM, you need to open three terminals on the same machine. In one terminal, you need to launch the computations server by executing (with the environment variables of choice):
+
+```bash
+go run ./test/computations/main.go <dataset path> <algo path>
+```
+
+and in the second the manager by executing (with the environment variables of choice):
+
+```bash
+go run ./cmd/manager/main.go
+```
+
+Ensure that the Manager can connect to the Manager test server by setting the MANAGER_GRPC_PORT with the port value of the Manager test server. In the last terminal, you can run the verification commands.
+
+To verify that the manager launched the VM successfully, run the following command:
+
+```sh
+ps aux | grep qemu-system-x86_64
+```
+
+You should get something similar to this
+```
+darko     324763 95.3  6.0 6398136 981044 ?      Sl   16:17   0:15 /usr/bin/qemu-system-x86_64 -enable-kvm -machine q35 -cpu EPYC -smp 4,maxcpus=64 -m 4096M,slots=5,maxmem=30G -drive if=pflash,format=raw,unit=0,file=/usr/share/OVMF/OVMF_CODE.fd,readonly=on -drive if=pflash,format=raw,unit=1,file=img/OVMF_VARS.fd -device virtio-scsi-pci,id=scsi,disable-legacy=on,iommu_platform=true -drive file=img/focal-server-cloudimg-amd64.img,if=none,id=disk0,format=qcow2 -device scsi-hd,drive=disk0 -netdev user,id=vmnic,hostfwd=tcp::2222-:22,hostfwd=tcp::9301-:9031,hostfwd=tcp::7020-:7002 -device virtio-net-pci,disable-legacy=on,iommu_platform=true,netdev=vmnic,romfile= -nographic -monitor pty
+```
+
+If you run a command as `sudo`, you should get the output similar to this one
+
+```
+root       37982  0.0  0.0   9444  4572 pts/0    S+   16:18   0:00 sudo /usr/local/bin/qemu-system-x86_64 -enable-kvm -machine q35 -cpu EPYC -smp 4,maxcpus=64 -m 4096M,slots=5,maxmem=30G -drive if=pflash,format=raw,unit=0,file=/usr/share/OVMF/OVMF_CODE.fd,readonly=on -drive if=pflash,format=raw,unit=1,file=img/OVMF_VARS.fd -device virtio-scsi-pci,id=scsi,disable-legacy=on,iommu_platform=true -drive file=img/focal-server-cloudimg-amd64.img,if=none,id=disk0,format=qcow2 -device scsi-hd,drive=disk0 -netdev user,id=vmnic,hostfwd=tcp::2222-:22,hostfwd=tcp::9301-:9031,hostfwd=tcp::7020-:7002 -device virtio-net-pci,disable-legacy=on,iommu_platform=true,netdev=vmnic,romfile= -object sev-guest,id=sev0,cbitpos=51,reduced-phys-bits=1 -machine memory-encryption=sev0 -nographic -monitor pty
+root       37989  122 13.1 5345816 4252312 pts/0 Sl+  16:19   0:04 /usr/local/bin/qemu-system-x86_64 -enable-kvm -machine q35 -cpu EPYC -smp 4,maxcpus=64 -m 4096M,slots=5,maxmem=30G -drive if=pflash,format=raw,unit=0,file=/usr/share/OVMF/OVMF_CODE.fd,readonly=on -drive if=pflash,format=raw,unit=1,file=img/OVMF_VARS.fd -device virtio-scsi-pci,id=scsi,disable-legacy=on,iommu_platform=true -drive file=img/focal-server-cloudimg-amd64.img,if=none,id=disk0,format=qcow2 -device scsi-hd,drive=disk0 -netdev user,id=vmnic,hostfwd=tcp::2222-:22,hostfwd=tcp::9301-:9031,hostfwd=tcp::7020-:7002 -device virtio-net-pci,disable-legacy=on,iommu_platform=true,netdev=vmnic,romfile= -object sev-guest,id=sev0,cbitpos=51,reduced-phys-bits=1 -machine memory-encryption=sev0 -nographic -monitor pty
+```
+
+The two processes are due to the fact that we run the command `/usr/bin/qemu-system-x86_64` as `sudo`, so there is one process for `sudo` command and the other for `/usr/bin/qemu-system-x86_64`.
+
 ### Troubleshooting
 
 If the `ps aux | grep qemu-system-x86_64` give you something like this

manager/agentEventsLogs.go

@@ -0,0 +1,66 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package manager
+
+import (
+	"fmt"
+	"regexp"
+	"strconv"
+
+	"github.com/ultravioletrs/cocos/pkg/manager"
+	"google.golang.org/protobuf/types/known/timestamppb"
+)
+
+var (
+	errFailedToParseCID    = fmt.Errorf("failed to parse computation ID")
+	errComputationNotFound = fmt.Errorf("computation not found")
+)
+
+func (ms *managerService) computationIDFromAddress(address string) (string, error) {
+	re := regexp.MustCompile(`vm\((\d+)\)`)
+	matches := re.FindStringSubmatch(address)
+
+	if len(matches) > 1 {
+		cid, err := strconv.Atoi(matches[1])
+		if err != nil {
+			return "", err
+		}
+		return ms.findComputationID(cid)
+	}
+	return "", errFailedToParseCID
+}
+
+func (ms *managerService) findComputationID(cid int) (string, error) {
+	ms.mu.Lock()
+	defer ms.mu.Unlock()
+	for cmpID, vm := range ms.vms {
+		if vm.GetCID() == cid {
+			return cmpID, nil
+		}
+	}
+
+	return "", errComputationNotFound
+}
+
+func (ms *managerService) reportBrokenConnection(cmpID string) {
+	ms.eventsChan <- &ClientStreamMessage{
+		Message: &ClientStreamMessage_AgentEvent{
+			AgentEvent: &AgentEvent{
+				EventType:     ms.vms[cmpID].State(),
+				ComputationId: cmpID,
+				Status:        manager.Disconnected.String(),
+				Timestamp:     timestamppb.Now(),
+				Originator:    "manager",
+			},
+		},
+	}
+}
+
+func (ms *managerService) ReportBrokenConnection(addr string) {
+	cmpID, err := ms.computationIDFromAddress(addr)
+	if err != nil {
+		ms.logger.Warn(err.Error())
+		return
+	}
+	ms.reportBrokenConnection(cmpID)
+}

manager/agentEventsLogs_test.go

@@ -0,0 +1,64 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package manager
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/ultravioletrs/cocos/manager/qemu"
+	"github.com/ultravioletrs/cocos/manager/vm"
+	"github.com/ultravioletrs/cocos/pkg/manager"
+)
+
+func TestComputationIDFromAddress(t *testing.T) {
+	ms := &managerService{
+		vms: map[string]vm.VM{
+			"comp1": qemu.NewVM(qemu.VMInfo{Config: qemu.Config{VSockConfig: qemu.VSockConfig{GuestCID: 3}}}, func(event interface{}) error { return nil }, "comp1"),
+			"comp2": qemu.NewVM(qemu.VMInfo{Config: qemu.Config{VSockConfig: qemu.VSockConfig{GuestCID: 5}}}, func(event interface{}) error { return nil }, "comp2"),
+		},
+	}
+
+	tests := []struct {
+		name    string
+		address string
+		want    string
+		wantErr bool
+	}{
+		{"Valid address", "vm(3)", "comp1", false},
+		{"Invalid address", "invalid", "", true},
+		{"Non-existent CID", "vm(10)", "", true},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := ms.computationIDFromAddress(tt.address)
+			if tt.wantErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, tt.want, got)
+			}
+		})
+	}
+}
+
+func TestReportBrokenConnection(t *testing.T) {
+	ms := &managerService{
+		eventsChan: make(chan *ClientStreamMessage, 1),
+		vms: map[string]vm.VM{
+			"comp1": qemu.NewVM(qemu.VMInfo{Config: qemu.Config{VSockConfig: qemu.VSockConfig{GuestCID: 3}}}, func(event interface{}) error { return nil }, "comp1"),
+		},
+	}
+
+	ms.reportBrokenConnection("comp1")
+
+	select {
+	case msg := <-ms.eventsChan:
+		assert.Equal(t, "comp1", msg.GetAgentEvent().ComputationId)
+		assert.Equal(t, manager.Disconnected.String(), msg.GetAgentEvent().Status)
+		assert.Equal(t, "manager", msg.GetAgentEvent().Originator)
+	default:
+		t.Error("Expected message in eventsChan, but none received")
+	}
+}

manager/api/grpc/client.go

@@ -0,0 +1,242 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package grpc
+
+import (
+	"context"
+	"log/slog"
+	"sync"
+	"time"
+
+	"github.com/absmach/magistrala/pkg/errors"
+	"github.com/ultravioletrs/cocos/manager"
+	"github.com/ultravioletrs/cocos/manager/qemu"
+	"golang.org/x/sync/errgroup"
+	"google.golang.org/protobuf/proto"
+)
+
+var (
+	errTerminationFromServer = errors.New("server requested client termination")
+	errCorruptedManifest     = errors.New("received manifest may be corrupted")
+	sendTimeout              = 5 * time.Second
+)
+
+type ManagerClient struct {
+	stream        manager.ManagerService_ProcessClient
+	svc           manager.Service
+	messageQueue  chan *manager.ClientStreamMessage
+	logger        *slog.Logger
+	runReqManager *runRequestManager
+}
+
+// NewClient returns new gRPC client instance.
+func NewClient(stream manager.ManagerService_ProcessClient, svc manager.Service, messageQueue chan *manager.ClientStreamMessage, logger *slog.Logger) ManagerClient {
+	return ManagerClient{
+		stream:        stream,
+		svc:           svc,
+		messageQueue:  messageQueue,
+		logger:        logger,
+		runReqManager: newRunRequestManager(),
+	}
+}
+
+func (client ManagerClient) Process(ctx context.Context, cancel context.CancelFunc) error {
+	eg, ctx := errgroup.WithContext(ctx)
+
+	eg.Go(func() error {
+		return client.handleIncomingMessages(ctx)
+	})
+
+	eg.Go(func() error {
+		return client.handleOutgoingMessages(ctx)
+	})
+
+	return eg.Wait()
+}
+
+func (client ManagerClient) handleIncomingMessages(ctx context.Context) error {
+	for {
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		default:
+			req, err := client.stream.Recv()
+			if err != nil {
+				return err
+			}
+			if err := client.processIncomingMessage(ctx, req); err != nil {
+				return err
+			}
+		}
+	}
+}
+
+func (client ManagerClient) processIncomingMessage(ctx context.Context, req *manager.ServerStreamMessage) error {
+	switch mes := req.Message.(type) {
+	case *manager.ServerStreamMessage_RunReqChunks:
+		return client.handleRunReqChunks(ctx, mes)
+	case *manager.ServerStreamMessage_TerminateReq:
+		return client.handleTerminateReq(mes)
+	case *manager.ServerStreamMessage_StopComputation:
+		go client.handleStopComputation(ctx, mes)
+	case *manager.ServerStreamMessage_AttestationPolicyReq:
+		go client.handleAttestationPolicyReq(ctx, mes)
+	case *manager.ServerStreamMessage_SvmInfoReq:
+		go client.handleSVMInfoReq(ctx, mes)
+	default:
+		return errors.New("unknown message type")
+	}
+	return nil
+}
+
+func (client *ManagerClient) handleRunReqChunks(ctx context.Context, mes *manager.ServerStreamMessage_RunReqChunks) error {
+	buffer, complete := client.runReqManager.addChunk(mes.RunReqChunks.Id, mes.RunReqChunks.Data, mes.RunReqChunks.IsLast)
+
+	if complete {
+		var runReq manager.ComputationRunReq
+		if err := proto.Unmarshal(buffer, &runReq); err != nil {
+			return errors.Wrap(err, errCorruptedManifest)
+		}
+
+		go client.executeRun(ctx, &runReq)
+	}
+
+	return nil
+}
+
+func (client ManagerClient) executeRun(ctx context.Context, runReq *manager.ComputationRunReq) {
+	port, err := client.svc.Run(ctx, runReq)
+	if err != nil {
+		client.logger.Warn(err.Error())
+		return
+	}
+	runRes := &manager.ClientStreamMessage_RunRes{
+		RunRes: &manager.RunResponse{
+			AgentPort:     port,
+			ComputationId: runReq.Id,
+		},
+	}
+	client.sendMessage(&manager.ClientStreamMessage{Message: runRes})
+}
+
+func (client ManagerClient) handleTerminateReq(mes *manager.ServerStreamMessage_TerminateReq) error {
+	return errors.Wrap(errTerminationFromServer, errors.New(mes.TerminateReq.Message))
+}
+
+func (client ManagerClient) handleStopComputation(ctx context.Context, mes *manager.ServerStreamMessage_StopComputation) {
+	msg := &manager.ClientStreamMessage_StopComputationRes{
+		StopComputationRes: &manager.StopComputationResponse{
+			ComputationId: mes.StopComputation.ComputationId,
+		},
+	}
+	if err := client.svc.Stop(ctx, mes.StopComputation.ComputationId); err != nil {
+		msg.StopComputationRes.Message = err.Error()
+	}
+	client.sendMessage(&manager.ClientStreamMessage{Message: msg})
+}
+
+func (client ManagerClient) handleAttestationPolicyReq(ctx context.Context, mes *manager.ServerStreamMessage_AttestationPolicyReq) {
+	res, err := client.svc.FetchAttestationPolicy(ctx, mes.AttestationPolicyReq.Id)
+	if err != nil {
+		client.logger.Warn(err.Error())
+		return
+	}
+	info := &manager.ClientStreamMessage_AttestationPolicy{
+		AttestationPolicy: &manager.AttestationPolicy{
+			Info: res,
+			Id:   mes.AttestationPolicyReq.Id,
+		},
+	}
+	client.sendMessage(&manager.ClientStreamMessage{Message: info})
+}
+
+func (client ManagerClient) handleSVMInfoReq(ctx context.Context, mes *manager.ServerStreamMessage_SvmInfoReq) {
+	ovmfVersion, cpuNum, cpuType, eosVersion := client.svc.ReturnSVMInfo(ctx)
+	info := &manager.ClientStreamMessage_SvmInfo{
+		SvmInfo: &manager.SVMInfo{
+			OvmfVersion: ovmfVersion,
+			CpuNum:      int32(cpuNum),
+			CpuType:     cpuType,
+			KernelCmd:   qemu.KernelCommandLine,
+			EosVersion:  eosVersion,
+			Id:          mes.SvmInfoReq.Id,
+		},
+	}
+	client.sendMessage(&manager.ClientStreamMessage{Message: info})
+}
+
+func (client ManagerClient) handleOutgoingMessages(ctx context.Context) error {
+	for {
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		case mes := <-client.messageQueue:
+			if err := client.stream.Send(mes); err != nil {
+				return err
+			}
+		}
+	}
+}
+
+func (client ManagerClient) sendMessage(mes *manager.ClientStreamMessage) {
+	ctx, cancel := context.WithTimeout(context.Background(), sendTimeout)
+	defer cancel()
+
+	select {
+	case client.messageQueue <- mes:
+	case <-ctx.Done():
+		client.logger.Warn("Failed to send message: timeout exceeded")
+	}
+}
+
+type runRequestManager struct {
+	requests map[string]*runRequest
+	mu       sync.Mutex
+}
+
+type runRequest struct {
+	buffer    []byte
+	lastChunk time.Time
+	timer     *time.Timer
+}
+
+func newRunRequestManager() *runRequestManager {
+	return &runRequestManager{
+		requests: make(map[string]*runRequest),
+	}
+}
+
+func (m *runRequestManager) addChunk(id string, chunk []byte, isLast bool) ([]byte, bool) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	req, exists := m.requests[id]
+	if !exists {
+		req = &runRequest{
+			buffer:    make([]byte, 0),
+			lastChunk: time.Now(),
+			timer:     time.AfterFunc(runReqTimeout, func() { m.timeoutRequest(id) }),
+		}
+		m.requests[id] = req
+	}
+
+	req.buffer = append(req.buffer, chunk...)
+	req.lastChunk = time.Now()
+	req.timer.Reset(runReqTimeout)
+
+	if isLast {
+		delete(m.requests, id)
+		req.timer.Stop()
+		return req.buffer, true
+	}
+
+	return nil, false
+}
+
+func (m *runRequestManager) timeoutRequest(id string) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	delete(m.requests, id)
+	// Log timeout or handle it as needed
+}

manager/api/grpc/client_test.go

@@ -0,0 +1,322 @@
+// Copyright (c) Ultraviolet
+// SPDX-License-Identifier: Apache-2.0
+package grpc
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	mglog "github.com/absmach/magistrala/logger"
+	"github.com/absmach/magistrala/pkg/errors"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/ultravioletrs/cocos/manager"
+	"github.com/ultravioletrs/cocos/manager/mocks"
+	"github.com/ultravioletrs/cocos/manager/qemu"
+	"google.golang.org/grpc"
+	"google.golang.org/protobuf/proto"
+)
+
+type mockStream struct {
+	mock.Mock
+	grpc.ClientStream
+}
+
+func (m *mockStream) Recv() (*manager.ServerStreamMessage, error) {
+	args := m.Called()
+	return args.Get(0).(*manager.ServerStreamMessage), args.Error(1)
+}
+
+func (m *mockStream) Send(msg *manager.ClientStreamMessage) error {
+	args := m.Called(msg)
+	return args.Error(0)
+}
+
+func TestManagerClient_Process1(t *testing.T) {
+	tests := []struct {
+		name        string
+		setupMocks  func(mockStream *mockStream, mockSvc *mocks.Service)
+		expectError bool
+		errorMsg    string
+	}{
+		{
+			name: "Stop computation",
+			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service) {
+				mockStream.On("Recv").Return(&manager.ServerStreamMessage{
+					Message: &manager.ServerStreamMessage_StopComputation{
+						StopComputation: &manager.StopComputation{},
+					},
+				}, nil)
+				mockStream.On("Send", mock.Anything).Return(nil)
+				mockSvc.On("Stop", mock.Anything, mock.Anything).Return(nil)
+			},
+			expectError: true,
+			errorMsg:    "context deadline exceeded",
+		},
+		{
+			name: "Terminate request",
+			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service) {
+				mockStream.On("Recv").Return(&manager.ServerStreamMessage{
+					Message: &manager.ServerStreamMessage_TerminateReq{
+						TerminateReq: &manager.Terminate{},
+					},
+				}, nil)
+			},
+			expectError: true,
+			errorMsg:    errTerminationFromServer.Error(),
+		},
+		{
+			name: "Attestation Policy request",
+			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service) {
+				mockStream.On("Recv").Return(&manager.ServerStreamMessage{
+					Message: &manager.ServerStreamMessage_AttestationPolicyReq{
+						AttestationPolicyReq: &manager.AttestationPolicyReq{},
+					},
+				}, nil)
+				mockStream.On("Send", mock.Anything).Return(nil).Once()
+				mockSvc.On("FetchAttestationPolicy", mock.Anything, mock.Anything).Return(nil, assert.AnError)
+			},
+			expectError: true,
+		},
+		{
+			name: "Run request chunks",
+			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service) {
+				mockStream.On("Recv").Return(&manager.ServerStreamMessage{
+					Message: &manager.ServerStreamMessage_RunReqChunks{
+						RunReqChunks: &manager.RunReqChunks{},
+					},
+				}, nil)
+				mockStream.On("Send", mock.Anything).Return(nil).Once()
+				mockSvc.On("Run", mock.Anything, mock.Anything).Return("", assert.AnError).Once()
+			},
+			expectError: true,
+		},
+		{
+			name: "Receive error",
+			setupMocks: func(mockStream *mockStream, mockSvc *mocks.Service) {
+				mockStream.On("Recv").Return(&manager.ServerStreamMessage{}, assert.AnError)
+			},
+			expectError: true,
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			mockStream := new(mockStream)
+			mockSvc := new(mocks.Service)
+			messageQueue := make(chan *manager.ClientStreamMessage, 10)
+			logger := mglog.NewMock()
+
+			client := NewClient(mockStream, mockSvc, messageQueue, logger)
+
+			ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
+			defer cancel()
+
+			tc.setupMocks(mockStream, mockSvc)
+
+			err := client.Process(ctx, cancel)
+
+			if tc.expectError {
+				assert.Error(t, err)
+				if tc.errorMsg != "" {
+					assert.Contains(t, err.Error(), tc.errorMsg)
+				}
+			} else {
+				assert.NoError(t, err)
+			}
+		})
+	}
+}
+
+func TestManagerClient_handleRunReqChunks(t *testing.T) {
+	mockStream := new(mockStream)
+	mockSvc := new(mocks.Service)
+	messageQueue := make(chan *manager.ClientStreamMessage, 10)
+	logger := mglog.NewMock()
+
+	client := NewClient(mockStream, mockSvc, messageQueue, logger)
+
+	runReq := &manager.ComputationRunReq{
+		Id: "test-id",
+	}
+	runReqBytes, _ := proto.Marshal(runReq)
+
+	chunk1 := &manager.ServerStreamMessage_RunReqChunks{
+		RunReqChunks: &manager.RunReqChunks{
+			Id:     "chunk-1",
+			Data:   runReqBytes[:len(runReqBytes)/2],
+			IsLast: false,
+		},
+	}
+	chunk2 := &manager.ServerStreamMessage_RunReqChunks{
+		RunReqChunks: &manager.RunReqChunks{
+			Id:     "chunk-1",
+			Data:   runReqBytes[len(runReqBytes)/2:],
+			IsLast: true,
+		},
+	}
+
+	mockSvc.On("Run", mock.Anything, mock.AnythingOfType("*manager.ComputationRunReq")).Return("8080", nil)
+
+	err := client.handleRunReqChunks(context.Background(), chunk1)
+	assert.NoError(t, err)
+
+	err = client.handleRunReqChunks(context.Background(), chunk2)
+	assert.NoError(t, err)
+
+	// Wait for the goroutine to finish
+	time.Sleep(50 * time.Millisecond)
+
+	mockSvc.AssertExpectations(t)
+	assert.Len(t, messageQueue, 1)
+
+	msg := <-messageQueue
+	runRes, ok := msg.Message.(*manager.ClientStreamMessage_RunRes)
+	assert.True(t, ok)
+	assert.Equal(t, "8080", runRes.RunRes.AgentPort)
+	assert.Equal(t, "test-id", runRes.RunRes.ComputationId)
+}
+
+func TestManagerClient_handleTerminateReq(t *testing.T) {
+	client := ManagerClient{}
+
+	terminateReq := &manager.ServerStreamMessage_TerminateReq{
+		TerminateReq: &manager.Terminate{
+			Message: "Test termination",
+		},
+	}
+
+	err := client.handleTerminateReq(terminateReq)
+	assert.Error(t, err)
+	assert.Contains(t, err.Error(), "Test termination")
+	assert.True(t, errors.Contains(err, errTerminationFromServer))
+}
+
+func TestManagerClient_handleStopComputation(t *testing.T) {
+	mockStream := new(mockStream)
+	mockSvc := new(mocks.Service)
+	messageQueue := make(chan *manager.ClientStreamMessage, 10)
+	logger := mglog.NewMock()
+
+	client := NewClient(mockStream, mockSvc, messageQueue, logger)
+
+	stopReq := &manager.ServerStreamMessage_StopComputation{
+		StopComputation: &manager.StopComputation{
+			ComputationId: "test-comp-id",
+		},
+	}
+
+	mockSvc.On("Stop", mock.Anything, "test-comp-id").Return(nil)
+
+	client.handleStopComputation(context.Background(), stopReq)
+
+	// Wait for the goroutine to finish
+	time.Sleep(50 * time.Millisecond)
+
+	mockSvc.AssertExpectations(t)
+	assert.Len(t, messageQueue, 1)
+
+	msg := <-messageQueue
+	stopRes, ok := msg.Message.(*manager.ClientStreamMessage_StopComputationRes)
+	assert.True(t, ok)
+	assert.Equal(t, "test-comp-id", stopRes.StopComputationRes.ComputationId)
+	assert.Empty(t, stopRes.StopComputationRes.Message)
+}
+
+func TestManagerClient_handleAttestationPolicyReq(t *testing.T) {
+	t.Run("success", func(t *testing.T) {
+		mockStream := new(mockStream)
+		mockSvc := new(mocks.Service)
+		messageQueue := make(chan *manager.ClientStreamMessage, 10)
+		logger := mglog.NewMock()
+
+		client := NewClient(mockStream, mockSvc, messageQueue, logger)
+
+		infoReq := &manager.ServerStreamMessage_AttestationPolicyReq{
+			AttestationPolicyReq: &manager.AttestationPolicyReq{
+				Id: "test-info-id",
+			},
+		}
+
+		mockSvc.On("FetchAttestationPolicy", context.Background(), infoReq.AttestationPolicyReq.Id).Return([]byte("test-attestation-policy"), nil)
+
+		client.handleAttestationPolicyReq(context.Background(), infoReq)
+
+		// Wait for the goroutine to finish
+		time.Sleep(50 * time.Millisecond)
+
+		mockSvc.AssertExpectations(t)
+		assert.Len(t, messageQueue, 1)
+
+		msg := <-messageQueue
+		infoRes, ok := msg.Message.(*manager.ClientStreamMessage_AttestationPolicy)
+		assert.True(t, ok)
+		assert.Equal(t, "test-info-id", infoRes.AttestationPolicy.Id)
+		assert.Equal(t, []byte("test-attestation-policy"), infoRes.AttestationPolicy.Info)
+	})
+	t.Run("error", func(t *testing.T) {
+		mockStream := new(mockStream)
+		mockSvc := new(mocks.Service)
+		messageQueue := make(chan *manager.ClientStreamMessage, 10)
+		logger := mglog.NewMock()
+
+		client := NewClient(mockStream, mockSvc, messageQueue, logger)
+
+		infoReq := &manager.ServerStreamMessage_AttestationPolicyReq{
+			AttestationPolicyReq: &manager.AttestationPolicyReq{
+				Id: "test-info-id",
+			},
+		}
+
+		mockSvc.On("FetchAttestationPolicy", context.Background(), infoReq.AttestationPolicyReq.Id).Return(nil, assert.AnError)
+
+		client.handleAttestationPolicyReq(context.Background(), infoReq)
+
+		time.Sleep(50 * time.Millisecond)
+
+		mockSvc.AssertExpectations(t)
+		assert.Len(t, messageQueue, 0)
+	})
+}
+
+func TestManagerClient_handleSVMInfoReq(t *testing.T) {
+	mockStream := new(mockStream)
+	mockSvc := new(mocks.Service)
+	messageQueue := make(chan *manager.ClientStreamMessage, 10)
+	logger := mglog.NewMock()
+
+	client := NewClient(mockStream, mockSvc, messageQueue, logger)
+
+	mockSvc.On("ReturnSVMInfo", context.Background()).Return("edk2-stable202408", 4, "EPYC", "")
+
+	client.handleSVMInfoReq(context.Background(), &manager.ServerStreamMessage_SvmInfoReq{SvmInfoReq: &manager.SVMInfoReq{Id: "test-svm-info-id"}})
+
+	// Wait for the goroutine to finish
+	time.Sleep(50 * time.Millisecond)
+
+	mockSvc.AssertExpectations(t)
+	assert.Len(t, messageQueue, 1)
+
+	msg := <-messageQueue
+	infoRes, ok := msg.Message.(*manager.ClientStreamMessage_SvmInfo)
+	assert.True(t, ok)
+	assert.Equal(t, "edk2-stable202408", infoRes.SvmInfo.OvmfVersion)
+	assert.Equal(t, int32(4), infoRes.SvmInfo.CpuNum)
+	assert.Equal(t, "EPYC", infoRes.SvmInfo.CpuType)
+	assert.Equal(t, "", infoRes.SvmInfo.EosVersion)
+	assert.Equal(t, qemu.KernelCommandLine, infoRes.SvmInfo.KernelCmd)
+}
+
+func TestManagerClient_timeoutRequest(t *testing.T) {
+	rm := newRunRequestManager()
+	rm.requests["test-id"] = &runRequest{
+		timer:     time.NewTimer(100 * time.Millisecond),
+		buffer:    []byte("test-data"),
+		lastChunk: time.Now(),
+	}
+
+	rm.timeoutRequest("test-id")
+
+	assert.Len(t, rm.requests, 0)
+}

manager/api/grpc/server.go

@@ -3,11 +3,17 @@
 package grpc
 
 import (
+	"bytes"
 	"context"
 	"errors"
+	"io"
+	"time"
 
 	"github.com/ultravioletrs/cocos/manager"
-	"google.golang.org/protobuf/types/known/emptypb"
+	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/peer"
+	"google.golang.org/protobuf/proto"
 )
 
 var (
@@ -15,58 +21,113 @@ var (
 	ErrUnexpectedMsg                              = errors.New("unknown message type")
 )
 
+const (
+	bufferSize    = 1024 * 1024 // 1 MB
+	runReqTimeout = 30 * time.Second
+)
+
+type SendFunc func(*manager.ServerStreamMessage) error
+
 type grpcServer struct {
 	manager.UnimplementedManagerServiceServer
-	svc manager.Service
+	incoming chan *manager.ClientStreamMessage
+	svc      Service
+}
+
+type Service interface {
+	Run(ctx context.Context, ipAddress string, sendMessage SendFunc, authInfo credentials.AuthInfo)
 }
 
 // NewServer returns new AuthServiceServer instance.
-func NewServer(svc manager.Service) manager.ManagerServiceServer {
+func NewServer(incoming chan *manager.ClientStreamMessage, svc Service) manager.ManagerServiceServer {
 	return &grpcServer{
-		svc: svc,
+		incoming: incoming,
+		svc:      svc,
 	}
 }
 
-func (s *grpcServer) CreateVm(ctx context.Context, req *manager.CreateReq) (*manager.CreateRes, error) {
-	port, id, err := s.svc.CreateVM(ctx, req)
+func (s *grpcServer) Process(stream manager.ManagerService_ProcessServer) error {
+	client, ok := peer.FromContext(stream.Context())
+	if !ok {
+		return errors.New("failed to get peer info")
+	}
+
+	eg, ctx := errgroup.WithContext(stream.Context())
+
+	eg.Go(func() error {
+		for {
+			select {
+			case <-ctx.Done():
+				return ctx.Err()
+			default:
+				req, err := stream.Recv()
+				if err != nil {
+					return err
+				}
+				s.incoming <- req
+			}
+		}
+	})
+
+	eg.Go(func() error {
+		sendMessage := func(msg *manager.ServerStreamMessage) error {
+			select {
+			case <-ctx.Done():
+				return ctx.Err()
+			default:
+				switch m := msg.Message.(type) {
+				case *manager.ServerStreamMessage_RunReq:
+					return s.sendRunReqInChunks(stream, m.RunReq)
+				default:
+					return stream.Send(msg)
+				}
+			}
+		}
+
+		s.svc.Run(ctx, client.Addr.String(), sendMessage, client.AuthInfo)
+		return nil
+	})
+
+	return eg.Wait()
+}
+
+func (s *grpcServer) sendRunReqInChunks(stream manager.ManagerService_ProcessServer, runReq *manager.ComputationRunReq) error {
+	data, err := proto.Marshal(runReq)
 	if err != nil {
-		return nil, err
+		return err
 	}
 
-	return &manager.CreateRes{
-		ForwardedPort: port,
-		CvmId:         id,
-	}, nil
-}
+	dataBuffer := bytes.NewBuffer(data)
+	buf := make([]byte, bufferSize)
 
-func (s *grpcServer) RemoveVm(ctx context.Context, req *manager.RemoveReq) (*emptypb.Empty, error) {
-	if err := s.svc.RemoveVM(ctx, req.CvmId); err != nil {
-		return nil, err
+	for {
+		n, err := dataBuffer.Read(buf)
+		isLast := false
+
+		if err == io.EOF {
+			isLast = true
+		} else if err != nil {
+			return err
+		}
+
+		chunk := &manager.ServerStreamMessage{
+			Message: &manager.ServerStreamMessage_RunReqChunks{
+				RunReqChunks: &manager.RunReqChunks{
+					Id:     runReq.Id,
+					Data:   buf[:n],
+					IsLast: isLast,
+				},
+			},
+		}
+
+		if err := stream.Send(chunk); err != nil {
+			return err
+		}
+
+		if isLast {
+			break
+		}
 	}
 
-	return &emptypb.Empty{}, nil
-}
-
-func (s *grpcServer) CVMInfo(ctx context.Context, req *manager.CVMInfoReq) (*manager.CVMInfoRes, error) {
-	ovmf, cpunum, cputype, eosversion := s.svc.ReturnCVMInfo(ctx)
-
-	return &manager.CVMInfoRes{
-		OvmfVersion: ovmf,
-		CpuNum:      int32(cpunum),
-		CpuType:     cputype,
-		EosVersion:  eosversion,
-		Id:          req.Id,
-	}, nil
-}
-
-func (s *grpcServer) AttestationPolicy(ctx context.Context, req *manager.AttestationPolicyReq) (*manager.AttestationPolicyRes, error) {
-	policy, err := s.svc.FetchAttestationPolicy(ctx, req.Id)
-	if err != nil {
-		return nil, err
-	}
-
-	return &manager.AttestationPolicyRes{
-		Info: policy,
-		Id:   req.Id,
-	}, nil
+	return nil
 }

manager/api/grpc/server_test.go

@@ -10,24 +10,24 @@ import (
 	"github.com/absmach/magistrala/pkg/errors"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
-	"github.com/ultravioletrs/cocos/agent/cvms"
+	"github.com/ultravioletrs/cocos/manager"
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/peer"
 )
 
 type mockServerStream struct {
 	mock.Mock
-	cvms.Service_ProcessServer
+	manager.ManagerService_ProcessServer
 }
 
-func (m *mockServerStream) Send(msg *cvms.ServerStreamMessage) error {
+func (m *mockServerStream) Send(msg *manager.ServerStreamMessage) error {
 	args := m.Called(msg)
 	return args.Error(0)
 }
 
-func (m *mockServerStream) Recv() (*cvms.ClientStreamMessage, error) {
+func (m *mockServerStream) Recv() (*manager.ClientStreamMessage, error) {
 	args := m.Called()
-	return args.Get(0).(*cvms.ClientStreamMessage), args.Error(1)
+	return args.Get(0).(*manager.ClientStreamMessage), args.Error(1)
 }
 
 func (m *mockServerStream) Context() context.Context {
@@ -44,7 +44,7 @@ func (m *mockService) Run(ctx context.Context, ipAddress string, sendMessage Sen
 }
 
 func TestNewServer(t *testing.T) {
-	incoming := make(chan *cvms.ClientStreamMessage)
+	incoming := make(chan *manager.ClientStreamMessage)
 	mockSvc := new(mockService)
 
 	server := NewServer(incoming, mockSvc)
@@ -56,19 +56,19 @@ func TestNewServer(t *testing.T) {
 func TestGrpcServer_Process(t *testing.T) {
 	tests := []struct {
 		name          string
-		recvReturn    *cvms.ClientStreamMessage
+		recvReturn    *manager.ClientStreamMessage
 		recvError     error
 		expectedError string
 	}{
 		{
 			name:          "Process with context deadline exceeded",
-			recvReturn:    &cvms.ClientStreamMessage{},
+			recvReturn:    &manager.ClientStreamMessage{},
 			recvError:     nil,
 			expectedError: "context deadline exceeded",
 		},
 		{
 			name:          "Process with Recv error",
-			recvReturn:    &cvms.ClientStreamMessage{},
+			recvReturn:    &manager.ClientStreamMessage{},
 			recvError:     errors.New("recv error"),
 			expectedError: "recv error",
 		},
@@ -76,7 +76,7 @@ func TestGrpcServer_Process(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			incoming := make(chan *cvms.ClientStreamMessage, 1)
+			incoming := make(chan *manager.ClientStreamMessage, 1)
 			mockSvc := new(mockService)
 			server := NewServer(incoming, mockSvc).(*grpcServer)
 
@@ -111,13 +111,13 @@ func TestGrpcServer_Process(t *testing.T) {
 }
 
 func TestGrpcServer_sendRunReqInChunks(t *testing.T) {
-	incoming := make(chan *cvms.ClientStreamMessage)
+	incoming := make(chan *manager.ClientStreamMessage)
 	mockSvc := new(mockService)
 	server := NewServer(incoming, mockSvc).(*grpcServer)
 
 	mockStream := new(mockServerStream)
 
-	runReq := &cvms.ComputationRunReq{
+	runReq := &manager.ComputationRunReq{
 		Id: "test-id",
 	}
 
@@ -125,10 +125,10 @@ func TestGrpcServer_sendRunReqInChunks(t *testing.T) {
 	for i := range largePayload {
 		largePayload[i] = byte(i % 256)
 	}
-	runReq.Algorithm = &cvms.Algorithm{}
+	runReq.Algorithm = &manager.Algorithm{}
 	runReq.Algorithm.UserKey = largePayload
 
-	mockStream.On("Send", mock.AnythingOfType("*cvms.ServerStreamMessage")).Return(nil).Times(4)
+	mockStream.On("Send", mock.AnythingOfType("*manager.ServerStreamMessage")).Return(nil).Times(4)
 
 	err := server.sendRunReqInChunks(mockStream, runReq)
 
@@ -139,7 +139,7 @@ func TestGrpcServer_sendRunReqInChunks(t *testing.T) {
 	assert.Equal(t, 4, len(calls))
 
 	for i, call := range calls {
-		msg := call.Arguments[0].(*cvms.ServerStreamMessage)
+		msg := call.Arguments[0].(*manager.ServerStreamMessage)
 		chunk := msg.GetRunReqChunks()
 
 		assert.NotNil(t, chunk)
@@ -174,9 +174,9 @@ func TestGrpcServer_ProcessWithMockService(t *testing.T) {
 				mockSvc.On("Run", mock.Anything, "test", mock.Anything, mock.AnythingOfType("mockAuthInfo")).
 					Run(func(args mock.Arguments) {
 						sendFunc := args.Get(2).(SendFunc)
-						runReq := &cvms.ComputationRunReq{Id: "test-run-id"}
-						err := sendFunc(&cvms.ServerStreamMessage{
-							Message: &cvms.ServerStreamMessage_RunReq{
+						runReq := &manager.ComputationRunReq{Id: "test-run-id"}
+						err := sendFunc(&manager.ServerStreamMessage{
+							Message: &manager.ServerStreamMessage_RunReq{
 								RunReq: runReq,
 							},
 						})
@@ -184,17 +184,34 @@ func TestGrpcServer_ProcessWithMockService(t *testing.T) {
 					}).
 					Return()
 
-				mockStream.On("Send", mock.MatchedBy(func(msg *cvms.ServerStreamMessage) bool {
+				mockStream.On("Send", mock.MatchedBy(func(msg *manager.ServerStreamMessage) bool {
 					chunks := msg.GetRunReqChunks()
 					return chunks != nil && chunks.Id == "test-run-id"
 				})).Return(nil)
 			},
 		},
+		{
+			name: "Terminate Request Test",
+			setupMockFn: func(mockSvc *mockService, mockStream *mockServerStream) {
+				mockSvc.On("Run", mock.Anything, "test", mock.Anything, mock.AnythingOfType("mockAuthInfo")).
+					Run(func(args mock.Arguments) {
+						sendFunc := args.Get(2).(SendFunc)
+						err := sendFunc(&manager.ServerStreamMessage{
+							Message: &manager.ServerStreamMessage_TerminateReq{
+								TerminateReq: &manager.Terminate{},
+							},
+						})
+						assert.NoError(t, err)
+					}).Return()
+
+				mockStream.On("Send", mock.AnythingOfType("*manager.ServerStreamMessage")).Return(nil)
+			},
+		},
 	}
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			incoming := make(chan *cvms.ClientStreamMessage, 10)
+			incoming := make(chan *manager.ClientStreamMessage, 10)
 			mockSvc := new(mockService)
 			server := NewServer(incoming, mockSvc).(*grpcServer)
 
@@ -214,7 +231,7 @@ func TestGrpcServer_ProcessWithMockService(t *testing.T) {
 			})
 
 			mockStream.On("Context").Return(peerCtx)
-			mockStream.On("Recv").Return(&cvms.ClientStreamMessage{}, nil).Maybe()
+			mockStream.On("Recv").Return(&manager.ClientStreamMessage{}, nil).Maybe()
 
 			tt.setupMockFn(mockSvc, mockStream)
 
@@ -234,18 +251,18 @@ func TestGrpcServer_ProcessWithMockService(t *testing.T) {
 }
 
 func TestGrpcServer_sendRunReqInChunksError(t *testing.T) {
-	incoming := make(chan *cvms.ClientStreamMessage)
+	incoming := make(chan *manager.ClientStreamMessage)
 	mockSvc := new(mockService)
 	server := NewServer(incoming, mockSvc).(*grpcServer)
 
 	mockStream := new(mockServerStream)
 
-	runReq := &cvms.ComputationRunReq{
+	runReq := &manager.ComputationRunReq{
 		Id: "test-id",
 	}
 
 	// Simulate an error when sending
-	mockStream.On("Send", mock.AnythingOfType("*cvms.ServerStreamMessage")).Return(errors.New("send error")).Once()
+	mockStream.On("Send", mock.AnythingOfType("*manager.ServerStreamMessage")).Return(errors.New("send error")).Once()
 
 	err := server.sendRunReqInChunks(mockStream, runReq)
 
@@ -255,7 +272,7 @@ func TestGrpcServer_sendRunReqInChunksError(t *testing.T) {
 }
 
 func TestGrpcServer_ProcessMissingPeerInfo(t *testing.T) {
-	incoming := make(chan *cvms.ClientStreamMessage)
+	incoming := make(chan *manager.ClientStreamMessage)
 	mockSvc := new(mockService)
 	server := NewServer(incoming, mockSvc).(*grpcServer)
 

manager/api/logging.go

@@ -27,9 +27,9 @@ func LoggingMiddleware(svc manager.Service, logger *slog.Logger) manager.Service
 	return &loggingMiddleware{logger, svc}
 }
 
-func (lm *loggingMiddleware) CreateVM(ctx context.Context, req *manager.CreateReq) (agentAddr string, id string, err error) {
+func (lm *loggingMiddleware) Run(ctx context.Context, mc *manager.ComputationRunReq) (agentAddr string, err error) {
 	defer func(begin time.Time) {
-		message := fmt.Sprintf("Method CreateVM for id %s on port %s took %s to complete", id, agentAddr, time.Since(begin))
+		message := fmt.Sprintf("Method Run for computation took %s to complete", time.Since(begin))
 		if err != nil {
 			lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
 			return
@@ -37,12 +37,12 @@ func (lm *loggingMiddleware) CreateVM(ctx context.Context, req *manager.CreateRe
 		lm.logger.Info(message)
 	}(time.Now())
 
-	return lm.svc.CreateVM(ctx, req)
+	return lm.svc.Run(ctx, mc)
 }
 
-func (lm *loggingMiddleware) RemoveVM(ctx context.Context, id string) (err error) {
+func (lm *loggingMiddleware) Stop(ctx context.Context, computationID string) (err error) {
 	defer func(begin time.Time) {
-		message := fmt.Sprintf("Method RemoveVM for vm %s took %s to complete", id, time.Since(begin))
+		message := fmt.Sprintf("Method Stop for computation took %s to complete", time.Since(begin))
 		if err != nil {
 			lm.logger.Warn(fmt.Sprintf("%s with error: %s.", message, err))
 			return
@@ -50,7 +50,7 @@ func (lm *loggingMiddleware) RemoveVM(ctx context.Context, id string) (err error
 		lm.logger.Info(message)
 	}(time.Now())
 
-	return lm.svc.RemoveVM(ctx, id)
+	return lm.svc.Stop(ctx, computationID)
 }
 
 func (lm *loggingMiddleware) FetchAttestationPolicy(ctx context.Context, cmpId string) (body []byte, err error) {
@@ -67,11 +67,15 @@ func (lm *loggingMiddleware) FetchAttestationPolicy(ctx context.Context, cmpId s
 	return lm.svc.FetchAttestationPolicy(ctx, cmpId)
 }
 
-func (lm *loggingMiddleware) ReturnCVMInfo(ctx context.Context) (string, int, string, string) {
+func (lm *loggingMiddleware) ReportBrokenConnection(addr string) {
+	lm.svc.ReportBrokenConnection(addr)
+}
+
+func (lm *loggingMiddleware) ReturnSVMInfo(ctx context.Context) (string, int, string, string) {
 	defer func(begin time.Time) {
-		message := fmt.Sprintf("Method ReturnCVMInfo for computation took %s to complete", time.Since(begin))
+		message := fmt.Sprintf("Method ReturnSVMInfo for computation took %s to complete", time.Since(begin))
 		lm.logger.Info(message)
 	}(time.Now())
 
-	return lm.svc.ReturnCVMInfo(ctx)
+	return lm.svc.ReturnSVMInfo(ctx)
 }

manager/api/metrics.go

@@ -32,22 +32,22 @@ func MetricsMiddleware(svc manager.Service, counter metrics.Counter, latency met
 	}
 }
 
-func (ms *metricsMiddleware) CreateVM(ctx context.Context, req *manager.CreateReq) (string, string, error) {
+func (ms *metricsMiddleware) Run(ctx context.Context, mc *manager.ComputationRunReq) (string, error) {
 	defer func(begin time.Time) {
 		ms.counter.With("method", "Run").Add(1)
 		ms.latency.With("method", "Run").Observe(time.Since(begin).Seconds())
 	}(time.Now())
 
-	return ms.svc.CreateVM(ctx, req)
+	return ms.svc.Run(ctx, mc)
 }
 
-func (ms *metricsMiddleware) RemoveVM(ctx context.Context, computationID string) error {
+func (ms *metricsMiddleware) Stop(ctx context.Context, computationID string) error {
 	defer func(begin time.Time) {
 		ms.counter.With("method", "Stop").Add(1)
 		ms.latency.With("method", "Stop").Observe(time.Since(begin).Seconds())
 	}(time.Now())
 
-	return ms.svc.RemoveVM(ctx, computationID)
+	return ms.svc.Stop(ctx, computationID)
 }
 
 func (ms *metricsMiddleware) FetchAttestationPolicy(ctx context.Context, cmpId string) ([]byte, error) {
@@ -59,11 +59,15 @@ func (ms *metricsMiddleware) FetchAttestationPolicy(ctx context.Context, cmpId s
 	return ms.svc.FetchAttestationPolicy(ctx, cmpId)
 }
 
-func (ms *metricsMiddleware) ReturnCVMInfo(ctx context.Context) (string, int, string, string) {
+func (ms *metricsMiddleware) ReportBrokenConnection(addr string) {
+	ms.svc.ReportBrokenConnection(addr)
+}
+
+func (ms *metricsMiddleware) ReturnSVMInfo(ctx context.Context) (string, int, string, string) {
 	defer func(begin time.Time) {
-		ms.counter.With("method", "ReturnCVMInfo").Add(1)
-		ms.latency.With("method", "ReturnCVMInfo").Observe(time.Since(begin).Seconds())
+		ms.counter.With("method", "ReturnSVMInfo").Add(1)
+		ms.latency.With("method", "ReturnSVMInfo").Observe(time.Since(begin).Seconds())
 	}(time.Now())
 
-	return ms.svc.ReturnCVMInfo(ctx)
+	return ms.svc.ReturnSVMInfo(ctx)
 }