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Andrey Kolkov
b9a95a0c4a
## What this PR does An in-place `RestoreJob` (one whose `targetApplicationRef` is omitted, so the app is restored back into itself) re-bootstraps the Postgres app under its own name. On stock v1.6.2 it never comes back up — the cluster is deleted and then hangs in `Setting up primary` with `*-full-recovery-*` pods crash-looping, or the HelmRelease upgrade fails outright. There are two independent causes, both in the same restore patch, and both surface only in place because a to-copy restore targets a different app. **1. Archive-vs-recovery `serverName` collision.** The driver set the restored cluster's WAL-archive `serverName` equal to the recovery source (`bootstrap.serverName = bootstrap.oldName = sourceServerName`), while the chart pinned the archiver `serverName` to the release name. In place those coincide, so the cluster archived onto the source's own WAL prefix and `barman-cloud-check-wal-archive` refused to start with `Expected empty archive`. Fixed by giving the restored cluster a fresh `bootstrap.newServerName`, keyed by the `RestoreJob` UID (unique per restore, stable across reconciles); the chart archives there while `externalClusters` still recovers from `bootstrap.serverName`. This is what manual `CNPG` strategies hit (their `serverName` defaults to the cluster name, including the shipped `examples/backups/postgres/10-cnpg-strategy.yaml`); the `cozy-default` flow dodged it because its `serverName` is `<namespace>-<app>`. **2. `useSystemBucket` guard.** The restore populates explicit S3 coordinates (`destinationPath` / `s3CredentialsSecret` / `endpointCA`) but left `backup.useSystemBucket=true`, so the chart's `bootstrap.enabled is incompatible with useSystemBucket` guard failed the HelmRelease upgrade and the cluster never re-rendered. This is what the default `cozy-default` (system-bucket) flow hits on an in-place restore. Fixed by clearing `useSystemBucket` in the restore patch, since the app is now on the explicit-creds path. Verified live on a v1.6.2 cluster: with `useSystemBucket` cleared, the same in-place restore re-bootstraps to a healthy cluster and the sentinel row survives. Both are exercised only by an in-place restore; the postgres backup e2e drove only to-copy, so neither surfaced in CI. A step 50 in-place restore now guards cause 1 (manual-strategy flow); cause 2 is covered by a Go unit assertion (a system-bucket in-place e2e needs the platform bucket wired in CI and is left as a follow-up). This is a bug in released v1.6.2 (chart and driver are byte-identical on `main`), so it is a backport candidate. ### Screenshots Not applicable (no UI changes). ### Downstream repositories The only externally visible schema surface is one new field, `spec.bootstrap.newServerName`, in the postgres `values.schema.json` / CRD; it is set by the CNPG backup driver on restore and never authored by tenants, exactly like the existing `bootstrap.serverName` / `bootstrap.oldName`. (The `useSystemBucket` clearing is internal to the Go driver — `backup.useSystemBucket` already exists in the schema.) The chart `README.md` is regenerated from `values.yaml` automatically by the website docs bot on release, and `terraform-provider-cozystack` models user-authored spec (its guard tracks top-level fields, not driver-set nested ones), so neither needs a change in practice. Leaving every box unticked per the trigger-map guidance so a maintainer confirms rather than acting on a speculative follow-up. - [ ] No downstream repository is affected by this change - [ ] [cozystack/website](https://github.com/cozystack/website) - follow-up: - [ ] [cozystack/terraform-provider-cozystack](https://github.com/cozystack/terraform-provider-cozystack) - follow-up: - [ ] [cozystack/ansible-cozystack](https://github.com/cozystack/ansible-cozystack) - follow-up: - [ ] [cozystack/ccp](https://github.com/cozystack/ccp) - follow-up: - [ ] [cozystack/talm](https://github.com/cozystack/talm) - follow-up: - [ ] [cozystack/cozyhr](https://github.com/cozystack/cozyhr) - follow-up: - [ ] [cozystack/cozy-proxy](https://github.com/cozystack/cozy-proxy) - follow-up: - [ ] [cozystack/cozystack-telemetry-server](https://github.com/cozystack/cozystack-telemetry-server) - follow-up: - [ ] [cozystack/external-apps-example](https://github.com/cozystack/external-apps-example) - follow-up: - [ ] [cozystack/examples](https://github.com/cozystack/examples) - follow-up: ### Release note ```release-note fix(postgres): in-place restore no longer wedges — the restored cluster archives WAL under a fresh serverName distinct from the recovery source, and a system-bucket app is switched to explicit credentials so the bootstrap/useSystemBucket guard no longer fails its HelmRelease. ``` <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit - **New Features** - Added support for specifying a distinct WAL archive destination when restoring PostgreSQL clusters. - In-place restores now automatically use a fresh archive location while continuing to recover from the original source. - Added configuration and schema support for the optional `bootstrap.newServerName` setting. - **Bug Fixes** - Prevented archive conflicts that could cause in-place restores to fail. - **Documentation** - Documented the new restore archive configuration and behavior. - **Tests** - Added coverage for unique restore destinations and in-place restore validation. <!-- end of auto-generated comment: release notes by coderabbit.ai -->