# Implementation Plan

- [ ] 1. Set up project structure and core interfaces
  - Create directory structure for the automation platform components
  - Define base interfaces and data models for job management
  - Set up Python package structure with proper imports and dependencies
  - _Requirements: 1.1, 1.2, 1.3_

- [ ] 2. Implement standardized job template system
  - [ ] 2.1 Create base Dockerfile template with Ubuntu and cloud tooling
    - Write Dockerfile with multi-layer structure (base system, cloud tools, application layer)
    - Include gcloud SDK, kubectl, and common utilities installation
    - Implement flexible entrypoint.sh script for dynamic command execution
    - _Requirements: 1.1, 1.3_

  - [ ] 2.2 Implement entrypoint script with environment validation
    - Create bash script that validates required environment variables
    - Add secret retrieval logic for Secret Manager integration
    - Implement proper signal handling with exec "$@" pattern
    - Add logging and error handling for pre-execution setup
    - _Requirements: 1.1, 1.4_

  - [ ] 2.3 Create job configuration templates and validation
    - Implement JobConfiguration dataclass with validation logic
    - Create YAML templates for different job types (deployment, maintenance, etc.)
    - Add configuration validation and schema enforcement
    - Write unit tests for configuration parsing and validation
    - _Requirements: 1.1, 4.1, 4.2_

- [ ] 3. Build deployment pipeline automation
  - [ ] 3.1 Implement Cloud Build pipeline configuration
    - Create cloudbuild.yaml template with build, test, scan, and deploy steps
    - Add container image vulnerability scanning integration
    - Implement artifact registry push with proper tagging strategy
    - Add pipeline validation and error handling
    - _Requirements: 2.1, 2.2, 2.3_

  - [ ] 3.2 Create CI/CD integration with Git workflows
    - Implement Git webhook handlers for automated pipeline triggers
    - Add branch protection and PR validation workflows
    - Create environment-specific deployment configurations
    - Write integration tests for pipeline execution
    - _Requirements: 2.1, 2.2, 2.4_

  - [ ] 3.3 Build artifact management system
    - Implement container registry management with lifecycle policies
    - Add image tagging and versioning strategy
    - Create artifact cleanup and retention policies
    - Add security scanning results integration
    - _Requirements: 2.2, 2.5, 6.4_

- [ ] 4. Develop job orchestration and execution engine
  - [ ] 4.1 Implement Pub/Sub event-driven job triggers
    - Create Pub/Sub topic and subscription management
    - Implement Eventarc trigger configuration for job execution
    - Add message parsing and job parameter extraction
    - Write event handler with proper error handling and retries
    - _Requirements: 3.1, 3.2, 3.3_

  - [ ] 4.2 Build Cloud Scheduler integration for timed jobs
    - Implement scheduled job creation and management
    - Add cron expression validation and scheduling logic
    - Create scheduler job templates for different use cases
    - Add timezone handling and schedule conflict detection
    - _Requirements: 3.1, 3.4_

  - [ ] 4.3 Create job execution management API
    - Implement JobManager class with execute_job, list_jobs, and status methods
    - Add job parameter override and environment variable injection
    - Create job execution tracking and status monitoring
    - Write comprehensive unit tests for job management operations
    - _Requirements: 3.1, 3.3, 5.1_

- [ ] 5. Implement network and security infrastructure
  - [ ] 5.1 Create VPC connector and network configuration
    - Implement VPC connector creation and management
    - Add network configuration validation and conflict detection
    - Create firewall rule templates for secure job execution
    - Add Cloud NAT configuration for consistent outbound IPs
    - _Requirements: 1.1, 1.4, 6.1, 6.2_

  - [ ] 5.2 Implement IAM and service account management
    - Create service account provisioning for invoker and runtime roles
    - Implement IAM policy binding automation with least privilege principle
    - Add service account key management and rotation
    - Write security validation tests for permission boundaries
    - _Requirements: 6.1, 6.2, 6.3_

  - [ ] 5.3 Build Secret Manager integration
    - Implement secret creation, retrieval, and rotation workflows
    - Add secret mounting configuration for Cloud Run jobs
    - Create secret access validation and audit logging
    - Write integration tests for secret management operations
    - _Requirements: 6.3, 6.4_

- [ ] 6. Develop job management and lifecycle operations
  - [ ] 6.1 Implement job listing and filtering capabilities
    - Create job discovery across multiple projects and regions
    - Add filtering by status, labels, creation time, and other metadata
    - Implement pagination and sorting for large job lists
    - Write performance tests for job listing operations
    - _Requirements: 5.1, 5.2_

  - [ ] 6.2 Build job update and configuration management
    - Implement job template updates with version control
    - Add batch job update operations for multiple jobs
    - Create configuration drift detection and remediation
    - Add rollback capabilities for failed updates
    - _Requirements: 5.2, 5.3_

  - [ ] 6.3 Create job deletion and cleanup automation
    - Implement safe job deletion with dependency checking
    - Add cleanup of associated resources (secrets, IAM bindings, etc.)
    - Create bulk deletion operations with confirmation workflows
    - Add audit logging for all deletion operations
    - _Requirements: 5.3, 5.4, 7.4_

- [ ] 7. Build monitoring and observability system
  - [ ] 7.1 Implement job execution monitoring and metrics
    - Create Cloud Monitoring integration for job execution metrics
    - Add custom metrics for success rate, duration, and resource usage
    - Implement real-time job status tracking and updates
    - Write monitoring dashboard configuration templates
    - _Requirements: 3.3, 3.4_

  - [ ] 7.2 Create alerting and notification system
    - Implement alert policy creation for job failures and performance issues
    - Add notification channel configuration (email, Slack, PagerDuty)
    - Create escalation policies for critical job failures
    - Write integration tests for alerting workflows
    - _Requirements: 3.4, 7.5_

  - [ ] 7.3 Build log aggregation and analysis
    - Implement structured logging with consistent schema across all jobs
    - Add log parsing and error pattern detection
    - Create log-based metrics and alerting rules
    - Build log analysis tools for troubleshooting and optimization
    - _Requirements: 3.3, 3.4_

- [ ] 8. Implement cost optimization and resource management
  - [ ] 8.1 Create resource usage tracking and optimization
    - Implement resource usage monitoring and analysis
    - Add cost tracking per job and project with budget alerts
    - Create resource optimization recommendations based on usage patterns
    - Write cost analysis reports and dashboards
    - _Requirements: 7.1, 7.2, 7.3_

  - [ ] 8.2 Build automated cleanup and lifecycle management
    - Implement automated cleanup of unused resources and old job executions
    - Add lifecycle policies for job retention and archival
    - Create resource usage optimization based on historical data
    - Write automation for cost-effective resource scheduling
    - _Requirements: 7.3, 7.4, 7.5_

- [ ] 9. Develop security compliance and validation
  - [ ] 9.1 Implement security scanning and compliance checks
    - Create automated security scanning for container images and configurations
    - Add compliance validation against organizational security policies
    - Implement security audit logging and reporting
    - Write security test suites for penetration testing
    - _Requirements: 6.1, 6.2, 6.4, 6.5_

  - [ ] 9.2 Build access control and audit systems
    - Implement role-based access control for job management operations
    - Add audit logging for all administrative actions
    - Create access review and certification workflows
    - Write compliance reporting tools for security audits
    - _Requirements: 6.1, 6.2, 6.5_

- [ ] 10. Create testing and validation framework
  - [ ] 10.1 Implement comprehensive unit test suite
    - Write unit tests for all core components with 80%+ coverage
    - Add mock services for external dependencies (GCP APIs, etc.)
    - Create test fixtures and data factories for consistent testing
    - Implement automated test execution in CI/CD pipeline
    - _Requirements: 1.1, 2.1, 3.1, 4.1, 5.1, 6.1, 7.1_

  - [ ] 10.2 Build integration and end-to-end test framework
    - Create integration tests for complete job lifecycle workflows
    - Add network connectivity and security validation tests
    - Implement load testing for job execution under various conditions
    - Write performance benchmarks and regression tests
    - _Requirements: 2.2, 3.2, 4.2, 5.2, 6.2, 7.2_

- [ ] 11. Develop CLI and user interface tools
  - [ ] 11.1 Create command-line interface for job management
    - Implement CLI commands for job creation, execution, monitoring, and deletion
    - Add interactive configuration wizards for complex setups
    - Create shell completion and help documentation
    - Write CLI integration tests and user acceptance tests
    - _Requirements: 4.1, 5.1, 5.2, 5.3_

  - [ ] 11.2 Build web dashboard for job monitoring and management
    - Create web interface for job status monitoring and management
    - Add real-time job execution tracking and log viewing
    - Implement user authentication and authorization
    - Create responsive design for mobile and desktop access
    - _Requirements: 3.3, 5.1, 7.1_

- [ ] 12. Implement documentation and onboarding system
  - [ ] 12.1 Create comprehensive documentation and tutorials
    - Write user guides for job creation, deployment, and management
    - Create API documentation with examples and best practices
    - Add troubleshooting guides and FAQ sections
    - Build interactive tutorials and getting-started guides
    - _Requirements: 4.1, 4.2, 4.3, 4.4_

  - [ ] 12.2 Build automated onboarding and template generation
    - Implement project onboarding wizard with automated resource provisioning
    - Create job template generator based on common use cases
    - Add validation and testing tools for new job configurations
    - Write onboarding automation tests and validation workflows
    - _Requirements: 4.1, 4.2, 4.4, 4.5_