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@case-88 case-88 released this 06 Jul 15:15
v0.2.0
f902354
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Learn about vigilant mode.

Highlights

  • Traffic routing rebuilt around explicit Pod labels: member-writer/member-reader membership plus a traffic label (true/false/none). Role Services select membership and traffic="true" together, and every Pod carries member-any for Reader fallback.
  • Reconcile pipeline refactored into observe → decide → apply layers: snapshot assembly, a pure planner with per-scenario decision files, and a controller apply layer that owns all Kubernetes writes.
  • Reader fallback to the Writer is now built-in and always on. When no healthy Reader exists, the Reader Service selector switches to member-any without a rollout.
  • healthy now means exactly that the monitor probe succeeded. PgBouncer Pod readiness is tracked as a separate signal, and a Reader serves traffic only when both hold.
  • Missing-instance debounce now requires both removeAfterMissingCount and the new spec.topologyPolicy.removeAfterMissingSeconds before an instance loses traffic.
  • Fresh RDS metadata reporting an instance as deleting skips the missing debounce and detaches traffic immediately. Completed RDS metadata refreshes also pull the next discovery forward.
  • Operator logs overhauled into human-readable one-line messages: failover window open/close, health transitions, reader fallback start/end, topology changes, and deleting-instance detection.
  • CR status now reports the active failover window (status.failoverWindow) and per-instance monitor failure kind.

Image

  • quay.io/case-88/pgbouncer-aurora-operator:v0.2.0
  • Multi-arch digest: sha256:868618dddd89b71cccd5aa62e9b919afafa3a448d9e400980e1bcb3b43998072
  • Platforms: linux/amd64, linux/arm64

Helm

The v0.2.0 charts are published on the Quay OCI chart registry:

  • oci://quay.io/case-88/charts/pgbouncer-aurora-crds --version 0.2.0
  • oci://quay.io/case-88/charts/pgbouncer-aurora-operator --version 0.2.0
  • oci://quay.io/case-88/charts/pgbouncer-aurora --version 0.2.0

CRD

  • Raw manifest: https://raw.githubusercontent.com/case-88/pgbouncer-aurora-operator/v0.2.0/deploy/crd.yaml

Migration Notes

  • Apply the v0.2.0 CRD before upgrading the operator.
  • spec.topologyPolicy.zoneAware (zone-aware placement) has been removed.
  • spec.topologyPolicy.readerEmptyFallback has been removed; Reader fallback is always enabled.
  • Remove both fields from existing PgBouncerAurora manifests. Strict validation or GitOps pipelines can reject the removed fields.

Validation

  • go test ./... and govulncheck ./... on the release commit
  • helm lint and helm template for CRD, operator, and CR charts
  • Quay image manifest inspection for v0.2.0
  • Failover and reader add/delete lifecycle verified against a live Aurora cluster
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