Grypse commented on code in PR #357:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/357#discussion_r958557976
##########
flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/observer/deployment/AbstractDeploymentObserver.java:
##########
@@ -141,41 +148,19 @@ protected void observeJmDeployment(
return;
}
- Optional<Deployment> deployment =
context.getSecondaryResource(Deployment.class);
- if (deployment.isPresent()) {
- DeploymentStatus status = deployment.get().getStatus();
- DeploymentSpec spec = deployment.get().getSpec();
- if (status != null
- && status.getAvailableReplicas() != null
- && spec.getReplicas().intValue() == status.getReplicas()
- && spec.getReplicas().intValue() ==
status.getAvailableReplicas()
- && flinkService.isJobManagerPortReady(effectiveConfig)) {
-
- // typically it takes a few seconds for the REST server to be
ready
- logger.info(
- "JobManager deployment port is ready, waiting for the
Flink REST API...");
- deploymentStatus.setJobManagerDeploymentStatus(
- JobManagerDeploymentStatus.DEPLOYED_NOT_READY);
+ if
(KubernetesDeploymentMode.NATIVE.equals(flinkApp.getSpec().getMode())) {
+ Optional<Deployment> deployment =
context.getSecondaryResource(Deployment.class);
+ if (deployment.isPresent()) {
+ jmDeploymentObserver(deployment.get(), effectiveConfig,
deploymentStatus, flinkApp);
return;
Review Comment:
With StatefulSet for JobManager has the following advantages：
1. Avoid random string suffix of JM Pod, more intuitive identification of JM.
2. There is no need to manually create the PVC each time, which is very
convenient when you need to create many flink clusters in production.
3. When JM replicas is greater than 1, the one-to-one correspondence between
PVC and JM can be guaranteed.
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