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git.stella-ops.org/ops/devops/lnm/backfill-plan.md
StellaOps Bot 029002ad05 work
2025-11-23 23:40:10 +02:00

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LNM Backfill Plan (DEVOPS-LNM-22-001)

Goal

Run staging backfill for advisory observations/linksets, validate counts/conflicts, and document rollout steps for production.

Prereqs

  • Concelier API CCLN0102 available (advisory/linkset endpoints stable).
  • Staging Mongo snapshot taken (pre-backfill) and stored at s3://staging-backups/concelier-pre-lnmbf.gz.
  • NATS/Redis staging brokers reachable.

Steps

  1. Seed snapshot
    • Restore staging Mongo from pre-backfill snapshot.
  2. Run backfill job
    • dotnet run --project src/Concelier/StellaOps.Concelier.Backfill -- --mode=observations --batch-size=500 --max-conflicts=0
    • dotnet run --project src/Concelier/StellaOps.Concelier.Backfill -- --mode=linksets --batch-size=500 --max-conflicts=0
  3. Validate counts
    • Compare advisory_observations_total and linksets_total vs expected inventory; export to .artifacts/lnm-counts.json.
    • Check conflict log .artifacts/lnm-conflicts.ndjson (must be empty).
  4. Events/NATS smoke
    • Ensure concelier.lnm.backfill.completed emitted; verify Redis/NATS queues drained.
  5. Roll-forward checklist
    • Promote batch size to 2000 for prod, keep --max-conflicts=0.
    • Schedule maintenance window, ensure snapshot available for rollback.

Outputs

  • .artifacts/lnm-counts.json
  • .artifacts/lnm-conflicts.ndjson (empty)
  • Log of job runtime + throughput.

Acceptance

  • Zero conflicts; counts match expected; events emitted; rollback plan documented.