[FLINK-34243] Update fabric8io:kubernetes-client to v6.9.0+ to allow the usage of ReleaseOnCall

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Implemented
• Affects Version/s: 1.19.0, 1.18.1
• Component/s: Deployment / Kubernetes
• Assignee: Unassigned
• Reporter: Matthias Pohl
• Created: 26/Jan/24 11:39
• Updated: 01/Feb/24 09:46
• Resolved: 01/Feb/24 09:46

Description

FLINK-34007 revealed that we could use the ReleaseOnCall configuration parameter in Flink's KubernetesLeaderElector. Currently, we have to call `release` explicitly. This is due to a "bug" in v6.6.2 which only calls release or calls the notLeader callback. This was fixed in 0f6c6965 which ended up in v6.9.0.

This issue is about the following things:

• Upgrading the client
• Enabling ReleaseOnCall
• Remove explict #release call KubernetesLeaderElector#stopLeaderElectionCycle

Issue Links

• is caused by: FLINK-34007 Flink Job stuck in suspend state after losing leadership in HA Mode