XComp commented on code in PR #24132:
URL: https://github.com/apache/flink/pull/24132#discussion_r1467582561
##########
flink-kubernetes/src/main/java/org/apache/flink/kubernetes/kubeclient/resources/KubernetesLeaderElector.java:
##########
@@ -86,12 +117,38 @@ public KubernetesLeaderElector(
newLeader,
leaderConfig.getConfigMapName())))
.build();
+ this.executorService = executorService;
+
+ LOG.info(
+ "Create KubernetesLeaderElector on lock {}.",
+ leaderElectionConfig.getLock().describe());
+ }
+
+ @GuardedBy("lock")
+ private void resetInternalLeaderElector() {
+ stopLeaderElectionCycle();
+
internalLeaderElector =
new LeaderElector(kubernetesClient, leaderElectionConfig,
executorService);
+ currentLeaderElectionSession = internalLeaderElector.start();
+
LOG.info(
- "Create KubernetesLeaderElector {} with lock identity {}.",
- leaderConfig.getConfigMapName(),
- leaderConfig.getLockIdentity());
+ "Triggered leader election on lock {}.",
leaderElectionConfig.getLock().describe());
+ }
+
+ @GuardedBy("lock")
+ private void stopLeaderElectionCycle() {
+ if (internalLeaderElector != null) {
+ Preconditions.checkNotNull(currentLeaderElectionSession);
+
+ // the current leader election cycle needs to be cancelled before
releasing the lock to
+ // avoid retrying
+ currentLeaderElectionSession.cancel(true);
+ currentLeaderElectionSession = null;
+
+ internalLeaderElector.release();
Review Comment:
Oh true, I should have looked for other calls of the `notLeader` method.
Thanks for your clarification. I'm gonna check. :+1:
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