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[PMM-14303] OpenShift clusters cleanup automation for AWS #3632

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[PMM-14303] OpenShift clusters cleanup automation for AWS #3632

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@nogueiraanderson nogueiraanderson commented Oct 21, 2025 •
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Summary

Automated Lambda that cleans up expired OpenShift/ROSA clusters. Runs every 15 minutes, scans for expired clusters, deletes all resources (VPC, ELB, Route53, S3, EC2).

Jira: PMM-14303

What It Does

  • Detects OpenShift/ROSA clusters via tags and master node naming
  • Checks TTL expiration (creation-time + delete-cluster-after-hours)
  • Deletes resources in dependency order
  • Supports multi-region scanning
  • DRY_RUN mode by default

Technical Details

  • Python 3.13 on ARM64, 1024MB, 600s timeout
  • CDK infrastructure as code
  • CloudWatch metrics and SNS notifications
  • 27 unit tests + integration tests

Deployment

just install && just bootstrap
just deploy                    # Deploy in DRY_RUN mode
just deploy us-east-2          # Scan specific region
AWS_REGION=us-west-1 just deploy  # Deploy Lambda to different region
just logs                      # Monitor execution

@nogueiraanderson nogueiraanderson requested a review from a team as a code owner October 21, 2025 19:49
@nogueiraanderson nogueiraanderson force-pushed the feature/openshift-only-cleanup branch from 69b61ca to 63b12ff Compare October 21, 2025 19:51
@nogueiraanderson nogueiraanderson force-pushed the feature/openshift-only-cleanup branch from 63b12ff to 4289348 Compare October 21, 2025 19:57
@nogueiraanderson nogueiraanderson force-pushed the feature/openshift-only-cleanup branch from 7c39314 to b9e80ab Compare October 21, 2025 23:26
@nogueiraanderson
feat: enhance logging with structured fields for deleted resources
c782b7e 
- Load balancers: add ARN, type, VPC ID to logs
- Route53: log each DNS record with name, type, zone ID
- S3: log each object deletion with bucket and key

Provides complete audit trail for compliance and debugging
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@olexandr-havryliak olexandr-havryliak Awaiting requested review from olexandr-havryliak

@sandraromanchenko sandraromanchenko Awaiting requested review from sandraromanchenko

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@jvpasinatto jvpasinatto Awaiting requested review from jvpasinatto

@valmiranogueira valmiranogueira Awaiting requested review from valmiranogueira

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@nogueiraanderson