wangyang0918 commented on code in PR #24132:
URL: https://github.com/apache/flink/pull/24132#discussion_r1467583895
##########
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:
BTW, the ITCase could also pass by using v6.6.2 with
`.withReleaseOnCancel(true)` and removing `ReleaseOnCall`.
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