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Retry moveMasterPodsOffNode on failure instead of aborting (#3179)

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attemptToMoveMasterPodsOffNode's transient errors (e.g. no synced
standby available yet) were treated as terminal, so the retry loop
gave up after a single ~4-5s attempt instead of retrying over
master_pod_move_timeout. This left masters stuck on draining nodes
indefinitely once a PodDisruptionBudget started rejecting evictions.

Log the failure and return (false, nil) so the retry loop keeps
polling every minute until the timeout expires.

Fixes #3176
This commit is contained in:
Pooja Dixit
2026-09-22 11:30:55 +02:00
committed by GitHub
parent 4c2366a8d8
commit 470f4157a4
3 changed files with 42 additions and 4 deletions
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docs/reference/operator_parameters.md
+4 -3
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@@ -556,9 +556,10 @@ configuration they are grouped under the `kubernetes` key.
* **master_pod_move_timeout**
The period of time to wait for the success of migration of master pods from
an unschedulable node. The migration includes Patroni switchovers to
respective replicas on healthy nodes. The situation where master pods still
exist on the old node after this timeout expires has to be fixed manually.
The default is 20 minutes.
respective replicas on healthy nodes. A failed migration attempt is retried
every minute until this timeout expires. The situation where master pods
still exist on the old node after this timeout expires has to be fixed
manually. The default is 20 minutes.
* **enable_pod_antiaffinity**
toggles [pod anti affinity](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/)