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			This commit implements Phase 2 of the CHORUS Task Execution Engine development plan, providing a comprehensive execution environment abstraction layer with Docker container sandboxing support. ## New Features ### Core Sandbox Interface - Comprehensive ExecutionSandbox interface with isolated task execution - Support for command execution, file I/O, environment management - Resource usage monitoring and sandbox lifecycle management - Standardized error handling with SandboxError types and categories ### Docker Container Sandbox Implementation - Full Docker API integration with secure container creation - Transparent repository mounting with configurable read/write access - Advanced security policies with capability dropping and privilege controls - Comprehensive resource limits (CPU, memory, disk, processes, file handles) - Support for tmpfs mounts, masked paths, and read-only bind mounts - Container lifecycle management with proper cleanup and health monitoring ### Security & Resource Management - Configurable security policies with SELinux, AppArmor, and Seccomp support - Fine-grained capability management with secure defaults - Network isolation options with configurable DNS and proxy settings - Resource monitoring with real-time CPU, memory, and network usage tracking - Comprehensive ulimits configuration for process and file handle limits ### Repository Integration - Seamless repository mounting from local paths to container workspaces - Git configuration support with user credentials and global settings - File inclusion/exclusion patterns for selective repository access - Configurable permissions and ownership for mounted repositories ### Testing Infrastructure - Comprehensive test suite with 60+ test cases covering all functionality - Docker integration tests with Alpine Linux containers (skipped in short mode) - Mock sandbox implementation for unit testing without Docker dependencies - Security policy validation tests with read-only filesystem enforcement - Resource usage monitoring and cleanup verification tests ## Technical Details ### Dependencies Added - github.com/docker/docker v28.4.0+incompatible - Docker API client - github.com/docker/go-connections v0.6.0 - Docker connection utilities - github.com/docker/go-units v0.5.0 - Docker units and formatting - Associated Docker API dependencies for complete container management ### Architecture - Interface-driven design enabling multiple sandbox implementations - Comprehensive configuration structures for all sandbox aspects - Resource usage tracking with detailed metrics collection - Error handling with retryable error classification - Proper cleanup and resource management throughout sandbox lifecycle ### Compatibility - Maintains backward compatibility with existing CHORUS architecture - Designed for future integration with Phase 3 Core Task Execution Engine - Extensible design supporting additional sandbox implementations (VM, process) This Phase 2 implementation provides the foundation for secure, isolated task execution that will be integrated with the AI model providers from Phase 1 in the upcoming Phase 3 development. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
		
			
				
	
	
		
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			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright The OpenTelemetry Authors
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| // SPDX-License-Identifier: Apache-2.0
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| 
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| package global // import "go.opentelemetry.io/otel/internal/global"
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| 
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| import (
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| 	"log"
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| 	"os"
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| 	"sync/atomic"
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| 
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| 	"github.com/go-logr/logr"
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| 	"github.com/go-logr/stdr"
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| )
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| 
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| // globalLogger holds a reference to the [logr.Logger] used within
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| // go.opentelemetry.io/otel.
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| //
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| // The default logger uses stdr which is backed by the standard `log.Logger`
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| // interface. This logger will only show messages at the Error Level.
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| var globalLogger = func() *atomic.Pointer[logr.Logger] {
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| 	l := stdr.New(log.New(os.Stderr, "", log.LstdFlags|log.Lshortfile))
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| 
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| 	p := new(atomic.Pointer[logr.Logger])
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| 	p.Store(&l)
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| 	return p
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| }()
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| 
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| // SetLogger sets the global Logger to l.
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| //
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| // To see Warn messages use a logger with `l.V(1).Enabled() == true`
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| // To see Info messages use a logger with `l.V(4).Enabled() == true`
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| // To see Debug messages use a logger with `l.V(8).Enabled() == true`.
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| func SetLogger(l logr.Logger) {
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| 	globalLogger.Store(&l)
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| }
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| 
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| // GetLogger returns the global logger.
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| func GetLogger() logr.Logger {
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| 	return *globalLogger.Load()
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| }
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| 
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| // Info prints messages about the general state of the API or SDK.
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| // This should usually be less than 5 messages a minute.
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| func Info(msg string, keysAndValues ...any) {
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| 	GetLogger().V(4).Info(msg, keysAndValues...)
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| }
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| 
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| // Error prints messages about exceptional states of the API or SDK.
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| func Error(err error, msg string, keysAndValues ...any) {
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| 	GetLogger().Error(err, msg, keysAndValues...)
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| }
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| 
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| // Debug prints messages about all internal changes in the API or SDK.
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| func Debug(msg string, keysAndValues ...any) {
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| 	GetLogger().V(8).Info(msg, keysAndValues...)
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| }
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| 
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| // Warn prints messages about warnings in the API or SDK.
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| // Not an error but is likely more important than an informational event.
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| func Warn(msg string, keysAndValues ...any) {
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| 	GetLogger().V(1).Info(msg, keysAndValues...)
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| }
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