Алексей Артамонов 2c8f6b8ca1 fix(clickhouse)!: clean up orphaned keeper and data PVCs on delete (#3057)
After deleting a ClickHouse app CR, the keeper PVC and the main data/log
PVCs were left orphaned in the tenant namespace, consuming storage
permanently. The clickhouse-keeper-operator does not delete data PVCs on CR
removal (data-safety default) and the CRD exposes no
persistentVolumeClaimRetentionPolicy equivalent.

Add a post-delete cleanup hook (modeled on the MariaDB hook) that deletes
every PVC carrying the release label app.kubernetes.io/instance=<release>.
Also stamp that label on the keeper volumeClaimTemplates in chkeeper.yaml:
the keeper PVC previously had no release label (the chart labelled only the
keeper pod template, not the PVC), so a single selector would have missed
the very PVC the issue reports.

BREAKING CHANGE: deleting a ClickHouse app now permanently removes all of its
PVCs (keeper + data + logs) and the data they hold. Nothing is left behind to
recover from. This matches the existing MariaDB cleanup-hook behaviour and the
general cozystack model where deleting a managed app reclaims its storage.

Signed-off-by: Алексей Артамонов <aleksei.artamonov@aenix.io>
2026-07-01 18:31:05 +03:00
2025-10-08 09:43:34 +05:00
2025-04-01 18:48:14 +02:00
2024-02-08 12:04:32 +01:00

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Cozystack

Cozystack is a free platform and framework for building clouds.

Cozystack is a CNCF Sandbox Level Project that was originally built and sponsored by Ænix.

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