[FLINK-15816][k8s] Limit kubernetes.cluster-id to a maximum of 40 cha…

…racters
apache · Nov 17, 2021 · 7f0824c · 7f0824c
1 parent ef5fb7a
commit 7f0824c
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/docs/layouts/shortcodes/generated/kubernetes_config_configuration.html b/docs/layouts/shortcodes/generated/kubernetes_config_configuration.html
@@ -24,7 +24,7 @@
             <td><h5>kubernetes.cluster-id</h5></td>
             <td style="word-wrap: break-word;">(none)</td>
             <td>String</td>
-            <td>The cluster-id, which should be no more than 45 characters, is used for identifying a unique Flink cluster. The id must only contain lowercase alphanumeric characters and "-". The required format is <code class="highlighter-rouge">[a-z]([-a-z0-9]*[a-z0-9])</code>. If not set, the client will automatically generate it with a random ID.</td>
+            <td>The cluster-id, which should be no more than 40 characters, is used for identifying a unique Flink cluster. The id must only contain lowercase alphanumeric characters and "-". The required format is <code class="highlighter-rouge">[a-z]([-a-z0-9]*[a-z0-9])</code>. If not set, the client will automatically generate it with a random ID.</td>
         </tr>
         <tr>
             <td><h5>kubernetes.config.file</h5></td>

diff --git a/...etes/src/main/java/org/apache/flink/kubernetes/configuration/KubernetesConfigOptions.java b/...etes/src/main/java/org/apache/flink/kubernetes/configuration/KubernetesConfigOptions.java
@@ -220,7 +220,7 @@ public class KubernetesConfigOptions {
                     .withDescription(
                             Description.builder()
                                     .text(
-                                            "The cluster-id, which should be no more than 45 characters, is used for identifying a unique Flink cluster. "
+                                            "The cluster-id, which should be no more than 40 characters, is used for identifying a unique Flink cluster. "
                                                     + "The id must only contain lowercase alphanumeric characters and \"-\". "
                                                     + "The required format is %s. "
                                                     + "If not set, the client will automatically generate it with a random ID.",

diff --git a/flink-kubernetes/src/main/java/org/apache/flink/kubernetes/utils/Constants.java b/flink-kubernetes/src/main/java/org/apache/flink/kubernetes/utils/Constants.java
@@ -83,7 +83,7 @@ public class Constants {
 
     public static final String HEADLESS_SERVICE_CLUSTER_IP = "None";
 
-    public static final int MAXIMUM_CHARACTERS_OF_CLUSTER_ID = 45;
+    public static final int MAXIMUM_CHARACTERS_OF_CLUSTER_ID = 40;
 
     public static final String RESTART_POLICY_OF_NEVER = "Never";