Aitozi commented on code in PR #283:
URL: 
https://github.com/apache/flink-kubernetes-operator/pull/283#discussion_r909093534


##########
flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/observer/deployment/AbstractDeploymentObserver.java:
##########
@@ -279,21 +279,35 @@ private void checkIfAlreadyUpgraded(FlinkDeployment 
flinkDep, Context context) {
                     Long upgradeTargetGeneration =
                             
ReconciliationUtils.getUpgradeTargetGeneration(flinkDep);
 
+                    Long currentSpecGeneration = 
flinkDep.getMetadata().getGeneration();
+
                     if (deployedGeneration.equals(upgradeTargetGeneration)) {
-                        logger.info(
-                                "Last reconciled generation is already 
deployed, setting reconciliation status to "
-                                        + ReconciliationState.DEPLOYED);
+                        logger.info("Pending upgrade is already deployed, 
updating status.");
 
                         var firstDeploy =
                                 
status.getReconciliationStatus().getLastReconciledSpec() == null;
-                        var conf =
-                                firstDeploy
-                                        ? configManager.getDeployConfig(
-                                                flinkDep.getMetadata(), 
flinkDep.getSpec())
-                                        : 
configManager.getObserveConfig(flinkDep);
+                        if (firstDeploy) {
+                            
ReconciliationUtils.updateForSpecReconciliationSuccess(
+                                    flinkDep,
+                                    JobState.RUNNING,
+                                    configManager.getDeployConfig(
+                                            flinkDep.getMetadata(), 
flinkDep.getSpec()));
+                        } else {
+                            
ReconciliationUtils.updateStatusForAlreadyUpgraded(flinkDep);
+                        }
+
+                        status.getJobStatus()
+                                
.setState(org.apache.flink.api.common.JobStatus.RECONCILING.name());
+                        
status.setJobManagerDeploymentStatus(JobManagerDeploymentStatus.DEPLOYING);
+                    } else if 
(deployedGeneration.equals(currentSpecGeneration)) {

Review Comment:
   I think we have a problem here, we can only do the thing when the 
deployedGeneration equal to the `currentSpecGeneration` or the 
`upgradeTargetGeneration`. If they are not equal, then we do not know how to 
bring the job do the desired version. It's mainly the concern you mentioned in 
the description



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