mxm commented on code in PR #724:
URL: 
https://github.com/apache/flink-kubernetes-operator/pull/724#discussion_r1418970683


##########
flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/reconciler/deployment/AbstractJobReconciler.java:
##########
@@ -306,6 +319,40 @@ protected void resubmitJob(FlinkResourceContext<CR> ctx, 
boolean requireHaMetada
         restoreJob(ctx, specToRecover, ctx.getObserveConfig(), 
requireHaMetadata);
     }
 
+    private void redeployWithSavepoint(
+            FlinkResourceContext<CR> ctx,
+            Configuration deployConfig,
+            CR resource,
+            STATUS status,
+            SPEC currentDeploySpec,
+            JobState desiredJobState)
+            throws Exception {
+        LOG.info("Redeploying from savepoint");
+        cancelJob(ctx, UpgradeMode.STATELESS);
+        var savepointOpt =
+                
Optional.ofNullable(currentDeploySpec.getJob().getInitialSavepointPath());
+        currentDeploySpec
+                .getJob()
+                .setUpgradeMode(
+                        savepointOpt.isPresent() ? UpgradeMode.SAVEPOINT : 
UpgradeMode.STATELESS);

Review Comment:
   I feel like we should test the savepoint path is present that before we tear 
down the job. If it is not there, we can't proceed.



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