wangyang0918 commented on a change in pull request #13644:
URL: https://github.com/apache/flink/pull/13644#discussion_r507479524



##########
File path: 
flink-kubernetes/src/main/java/org/apache/flink/kubernetes/kubeclient/FlinkKubeClient.java
##########
@@ -104,6 +107,67 @@ KubernetesWatch watchPodsAndDoCallback(
                Map<String, String> labels,
                WatchCallbackHandler<KubernetesPod> podCallbackHandler);
 
+       /**
+        * Create the ConfigMap with specified content. If the ConfigMap 
already exists, nothing will happen.
+        *
+        * @param configMap ConfigMap.
+        *
+        * @return Return the ConfigMap create future.
+        */
+       CompletableFuture<Void> createConfigMap(KubernetesConfigMap configMap);

Review comment:
       After a consideration, I will change the behavior of `CreateConfigMap`. 
If it is already existing, a `FlinkRuntimeExeception` will be thrown. Because 
the existing ConfigMap may be created externally and will make the Flink 
cluster works not as expected.
   
   So the name will still be `createConfigMap`.




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