ActionExecutor enhancements:
- Add execute_kubectl_command() using asyncio.create_subprocess_shell
- Security: Only kubectl commands allowed, forbidden patterns blocked
- Shadow Mode: Simulate execution without actual kubectl calls
- Capture stdout/stderr with PIPE, handle timeout gracefully
New execute_approved_proposal() function:
- Background task entry point for approved proposals
- Read approval from Redis/DB, verify status='approved'
- Extract kubectl_command from metadata
- Execute via execute_kubectl_command()
- Update status to 'executed' or 'failed' with execution_log
Security guardrails:
- Forbid delete namespace/ns, rm -rf, drop database
- Forbid batch deletion patterns
- 60 second default timeout
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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