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Standard Operating Procedure (SOP) for AWS Direct Resource Provisioning

Objective: Migrate from AWS CDK to direct AWS SDK resource provisioning for EC2 instances, networking, and associated resources. This will simplify the deployment process and reduce dependencies.

Phase 1: Analysis and Planning ✓

1. Review Current Implementation

  • Identify all CDK dependencies in the codebase
  • Document current resource creation workflow
  • Map CDK constructs to equivalent AWS SDK calls

2. Design New Architecture

  • Design direct AWS SDK resource provisioning flow
  • Plan migration strategy with minimal service disruption
  • Define new interfaces for AWS resource management

Phase 2: Implementation

3. Remove CDK Dependencies ✓

  • Remove CDK-specific code and imports
  • Update go.mod to remove CDK dependencies
  • Clean up CDK-related configuration files

4. Implement Direct Resource Creation

VPC and Networking ✓

  • Implement VPC creation using AWS SDK
  • Add subnet configuration and creation
  • Configure route tables and internet gateway
  • Implement security group management

EC2 Instance Management ✓

  • Create EC2 instance provisioning logic
  • Implement instance state management
  • Add instance metadata handling
  • Configure instance networking

Resource Tagging and Management ✓

  • Implement resource tagging strategy
  • Add resource lifecycle management
  • Create cleanup and termination logic

5. Error Handling and Logging ✓

  • Implement comprehensive error handling
  • Add detailed logging for resource operations
  • Create recovery mechanisms for failed operations

Phase 3: Testing

6. Unit Testing ✓

  • Create unit tests for new AWS SDK implementations
  • Update existing tests to remove CDK dependencies
  • Verify error handling and edge cases

7. Integration Testing ✓

  • Test complete resource provisioning workflow
  • Verify network connectivity and security
  • Test resource cleanup and termination

8. Performance Testing ✓

  • Measure resource creation time
  • Compare memory and CPU usage
  • Verify scalability under load

Phase 4: Documentation and Deployment

9. Update Documentation ✓

  • Update API documentation
  • Create migration guide for users
  • Document new configuration options