YARN-10441. Add support for hadoop.http.rmwebapp.scheduler.page.class. Contributed by D M Murali Krishna Reddy

(cherry picked from commit b61f52ec565b84306ec8d9e0b53f5d0390e1b597)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java

@@ -124,6 +124,8 @@ public class YarnConfiguration extends Configuration {
             CommonConfigurationKeys.ZK_TIMEOUT_MS),
         new DeprecationDelta(RM_ZK_RETRY_INTERVAL_MS,
             CommonConfigurationKeys.ZK_RETRY_INTERVAL_MS),
+        new DeprecationDelta(HADOOP_HTTP_WEBAPP_SCHEDULER_PAGE,
+            YARN_HTTP_WEBAPP_SCHEDULER_PAGE)
     });
     Configuration.addDeprecations(new DeprecationDelta[] {
         new DeprecationDelta("yarn.resourcemanager.display.per-user-apps",
@@ -2480,6 +2482,14 @@ public class YarnConfiguration extends Configuration {
   public static final String YARN_HTTP_WEBAPP_EXTERNAL_CLASSES =
       "yarn.http.rmwebapp.external.classes";
 
+  /**
+   * @deprecated This field is deprecated for
+   * {@link #YARN_HTTP_WEBAPP_SCHEDULER_PAGE}
+   */
+  @Deprecated
+  public static final String HADOOP_HTTP_WEBAPP_SCHEDULER_PAGE =
+      "hadoop.http.rmwebapp.scheduler.page.class";
+
   public static final String YARN_HTTP_WEBAPP_SCHEDULER_PAGE =
       "yarn.http.rmwebapp.scheduler.page.class";
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/test/java/org/apache/hadoop/yarn/conf/TestYarnConfigurationFields.java

@@ -157,6 +157,9 @@ public class TestYarnConfigurationFields extends TestConfigurationFieldsBase {
     configurationPropsToSkipCompare
         .add(YarnConfiguration.DEFAULT_RM_RESOURCE_PROFILES_SOURCE_FILE);
 
+    configurationPropsToSkipCompare
+        .add(YarnConfiguration.HADOOP_HTTP_WEBAPP_SCHEDULER_PAGE);
+
     // Ignore NodeManager "work in progress" variables
     configurationPrefixToSkipCompare
         .add(YarnConfiguration.NM_NETWORK_RESOURCE_ENABLED);