Gyula Fora created FLINK-28228:
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Summary: Target generation logic might skip over specs when
observing already upgraded clusters
Key: FLINK-28228
URL: https://issues.apache.org/jira/browse/FLINK-28228
Project: Flink
Issue Type: Bug
Components: Kubernetes Operator
Affects Versions: kubernetes-operator-1.1.0
Reporter: Gyula Fora
Assignee: Gyula Fora
Fix For: kubernetes-operator-1.1.0
There are currently 2 problems with detecting already upgraded clusters in the
AbstractDeploymentObserver:
1. Detecting the initial deployments is not reliable, because the user sends in
an upgrade before the observer runs the logic will fail because we have a new
higher generation.
2. When an upgrade was detected we should not simply use
ReconciliationUtils.updateForSpecReconciliationSuccess because this will mark
the current spec as reconciled which is not necessarily true
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