Add cascade-delete finalizer to stateless apps; document the distinction

2026-09-03 03:58:47 +01:00
parent 8037f24e82
commit c34b58e0b2
4 changed files with 48 additions and 0 deletions
@@ -16,6 +16,13 @@ kind: Application
 metadata:
  name: longhorn
  namespace: argocd
+  # Deliberately NO resources-finalizer.argocd.argoproj.io here, unlike
+  # apps/demo.yaml and apps/metallb.yaml. Longhorn's CRDs (Volumes, Replicas,
+  # Engines) represent real data, not just running Pods — cascade-deleting
+  # this Application would tell Longhorn to tear down every volume and
+  # replica in the cluster along with it. Removing apps/longhorn.yaml from
+  # Git should be a rare, deliberate act, confirmed by hand
+  # (see docs/09-growing-up.md), never an accidental one-line prune.
 spec:
  project: default