Mika Naylor created FLINK-26772:
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Summary: Kubernetes Native in HA Application Mode does not retry
resource cleanup
Key: FLINK-26772
URL: https://issues.apache.org/jira/browse/FLINK-26772
Project: Flink
Issue Type: Bug
Components: Runtime / Coordination
Affects Versions: 1.15.0
Reporter: Mika Naylor
I set up a scenario in which a k8s native cluster running in Application Mode
used an s3 bucket for it's high availability storage directory, with the hadoop
plugin. The credentials the cluster used gives it permission to write to the
bucket, but not delete, so cleaning up the blob/jobgraph will fail.
I expected that when trying to clean up the HA resources, it would attempt to
retry the cleanup. I even configured this explicitly:
{{cleanup-strategy: fixed-delay
cleanup-strategy.fixed-delay.attempts: 100
cleanup-strategy.fixed-delay.delay: 10 s}}
However, the behaviour I observed is that the blob and jobgraph cleanup is only
attempted once. After this failure, I observe in the logs that:
{{2022-03-21 09:34:40,634 INFO
org.apache.flink.client.deployment.application.ApplicationDispatcherBootstrap
[] - Application completed SUCCESSFULLY
2022-03-21 09:34:40,635 INFO
org.apache.flink.runtime.entrypoint.ClusterEntrypoint [] - Shutting
KubernetesApplicationClusterEntrypoint down with application status SUCCEEDED.
Diagnostics null.}}
After which, the cluster recieves a SIGTERM an exits.
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