NOISSUE - Fix Algo Path (#216)

* fix(algorithm): fix running binary algorithm

This is the error
```
"algorithm": executable file not found in $PATH
```

* fix(algorithm): get absolute filepath for all algorithms

Signed-off-by: Rodney Osodo <socials@rodneyosodo.com>

* fix(lint): fix linting errors

* refactor: simplify algorithm filename

Signed-off-by: Rodney Osodo <socials@rodneyosodo.com>

---------

Signed-off-by: Rodney Osodo <socials@rodneyosodo.com>

agent/service.go

@@ -10,6 +10,7 @@ import (
 	"fmt"
 	"log/slog"
 	"os"
+	"path/filepath"
 	"slices"
 
 	"github.com/google/go-sev-guest/client"
@@ -118,7 +119,12 @@ func (as *agentService) Algo(ctx context.Context, algo Algorithm) error {
 		return ErrHashMismatch
 	}
 
-	f, err := os.Create("algorithm")
+	currentDir, err := os.Getwd()
+	if err != nil {
+		return fmt.Errorf("error getting current directory: %v", err)
+	}
+
+	f, err := os.Create(filepath.Join(currentDir, "algorithm"))
 	if err != nil {
 		return fmt.Errorf("error creating algorithm file: %v", err)
 	}

hal/linux/README.md

@@ -1,7 +1,9 @@
 # Hardware Abstraction Layer (HAL) for Confidential Computing
-Cocos HAL for Linux is framework for building custom in-enclave Linux distribution. 
+
+Cocos HAL for Linux is framework for building custom in-enclave Linux distribution.
 
 ## Usage
+
 HAL uses [Buildroot](https://buildroot.org/)'s [_External Tree_ mechanism](https://buildroot.org/downloads/manual/manual.html#outside-br-custom) for building custom distro:
 
 ```bash

hal/linux/board/cocos/linux.config

@@ -64,4 +64,4 @@ CONFIG_PREEMPT=n
 CONFIG_PREEMPT_DYNAMIC=n
 CONFIG_DEBUG_PREEMPT=n
 CONFIG_CGROUP_MISC=y
-CONFIG_X86_CPUID=y
+CONFIG_X86_CPUID=y

hal/linux/configs/cocos_defconfig

@@ -45,13 +45,13 @@ BR2_PACKAGE_HOST_QEMU=y
 BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y
 
 # Docker
-BR2_PACKAGE_LIBSECCOMP_ARCH_SUPPORTS=y 
-BR2_PACKAGE_LIBSECCOMP=y 
-BR2_PACKAGE_CA_CERTIFICATES=y  
-BR2_PACKAGE_DOCKER_CLI=y  
-BR2_PACKAGE_DOCKER_COMPOSE=y  
-BR2_PACKAGE_DOCKER_ENGINE=y  
-BR2_PACKAGE_CONTAINERD=y  
+BR2_PACKAGE_LIBSECCOMP_ARCH_SUPPORTS=y
+BR2_PACKAGE_LIBSECCOMP=y
+BR2_PACKAGE_CA_CERTIFICATES=y
+BR2_PACKAGE_DOCKER_CLI=y
+BR2_PACKAGE_DOCKER_COMPOSE=y
+BR2_PACKAGE_DOCKER_ENGINE=y
+BR2_PACKAGE_CONTAINERD=y
 BR2_PACKAGE_RUNC=y
 BR2_PACKAGE_IPTABLES=y
 
@@ -61,7 +61,7 @@ BR2_PACKAGE_PYTHON_PIP=y
 BR2_PACKAGE_BZIP2=y
 BR2_PACKAGE_XZ=y
 BR2_PACKAGE_ZIP=y
-BR2_PACKAGE_PYTHON3_ZLIB=y 
+BR2_PACKAGE_PYTHON3_ZLIB=y
 BR2_PACKAGE_PYTHON3_XZ=y
 BR2_PACKAGE_PYTHON3_BZIP2=y
 BR2_INSTALL_LIBSTDCPP=y
@@ -71,4 +71,3 @@ BR2_TOOLCHAIN_BUILDROOT_LIBSTDCPP=y
 BR2_PACKAGE_GCC=y
 BR2_PACKAGE_GCC_TARGET=y
 BR2_PACKAGE_LIBSTDCPP=y
-

hal/linux/external.mk

@@ -1 +1 @@
-include $(sort $(wildcard $(BR2_EXTERNAL_COCOS_PATH)/package/*/*.mk))
+include $(sort $(wildcard $(BR2_EXTERNAL_COCOS_PATH)/package/*/*.mk))

hal/linux/package/agent/Config.in

@@ -3,6 +3,6 @@ config BR2_PACKAGE_AGENT
 	default y
 	help
 	  Confidential Computing Agent is a state machine capable of
-	  receiving datasets and algorithm, running computations, and 
-	  fetching the attestation report from within the 
-	  Confidential VM.
+	  receiving datasets and algorithm, running computations, and
+	  fetching the attestation report from within the
+	  Confidential VM.

hal/linux/package/agent/agent.mk

@@ -7,7 +7,7 @@
 AGENT_VERSION = main
 AGENT_SITE = $(call github,ultravioletrs,cocos,$(AGENT_VERSION))
 
-define AGENT_BUILD_CMDS 	
+define AGENT_BUILD_CMDS
 	$(MAKE) -C $(@D) agent EMBED_ENABLED=$(AGENT_EMBED_ENABLED)
 endef