HDDS-11563. [OM/SCM/DN] WebUI Display Namespace

hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/HddsDatanodeService.java

@@ -40,6 +40,7 @@
 import org.apache.hadoop.hdds.protocol.DatanodeDetails;
 import org.apache.hadoop.hdds.protocol.SecretKeyProtocol;
 import org.apache.hadoop.hdds.protocolPB.SCMSecurityProtocolClientSideTranslatorPB;
+import org.apache.hadoop.hdds.scm.ha.SCMHAUtils;
 import org.apache.hadoop.hdds.security.SecurityConfig;
 import org.apache.hadoop.hdds.security.symmetric.DefaultSecretKeyClient;
 import org.apache.hadoop.hdds.security.symmetric.SecretKeyClient;
@@ -73,6 +74,7 @@
 
 import static org.apache.hadoop.hdds.protocol.DatanodeDetails.Port.Name.HTTP;
 import static org.apache.hadoop.hdds.protocol.DatanodeDetails.Port.Name.HTTPS;
+import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_SCM_SERVICE_IDS_KEY;
 import static org.apache.hadoop.hdds.utils.HddsServerUtil.getRemoteUser;
 import static org.apache.hadoop.hdds.utils.HddsServerUtil.getScmSecurityClientWithMaxRetry;
 import static org.apache.hadoop.ozone.OzoneConfigKeys.HDDS_DATANODE_PLUGINS_KEY;
@@ -116,8 +118,7 @@ public class HddsDatanodeService extends GenericCli implements ServicePlugin {
   private final Map<String, RatisDropwizardExports> ratisMetricsMap =
       new ConcurrentHashMap<>();
   private List<RatisDropwizardExports.MetricReporter> ratisReporterList = null;
-  private DNMXBeanImpl serviceRuntimeInfo =
-      new DNMXBeanImpl(HddsVersionInfo.HDDS_VERSION_INFO) { };
+  private DNMXBeanImpl serviceRuntimeInfo;
   private ObjectName dnInfoBeanName;
   private HddsDatanodeClientProtocolServer clientProtocolServer;
   private OzoneAdmins admins;
@@ -210,6 +211,12 @@ public void start(OzoneConfiguration configuration) {
   }
 
   public void start() {
+    serviceRuntimeInfo = new DNMXBeanImpl(HddsVersionInfo.HDDS_VERSION_INFO) {
+      @Override
+      public String getNamespace() {
+        return SCMHAUtils.getScmServiceId(conf);
+      }
+    };
     serviceRuntimeInfo.setStartTime();
 
     ratisReporterList = RatisDropwizardExports

hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/server/ServiceRuntimeInfo.java

@@ -33,6 +33,15 @@
  */
 public interface ServiceRuntimeInfo {
 
+  /**
+   * Gets the namespace of Hadoop.
+   *
+   * @return the namespace
+   */
+  default String getNamespace() {
+    return "";
+  };
+
   /**
    * Gets the version of Hadoop.
    *

hadoop-hdds/framework/src/main/resources/webapps/static/templates/overview.html

@@ -17,6 +17,10 @@
 <h1>Overview</h1>
 <table class="table table-bordered table-striped">
     <tbody>
+    <tr>
+        <th>Namespace:</th>
+        <td>{{$ctrl.jmx.Namespace}}</td>
+    </tr>
     <tr>
         <th>Started:</th>
         <td>{{$ctrl.jmx.StartedTimeInMillis | date : 'medium'}}</td>

hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/server/StorageContainerManager.java

@@ -2063,6 +2063,10 @@ public StatefulServiceStateManager getStatefulServiceStateManager() {
     return statefulServiceStateManager;
   }
 
+  @Override
+  public String getNamespace() {
+    return scmHANodeDetails.getLocalNodeDetails().getServiceId();
+  }
   /**
    * Get the safe mode status of all rules.
    *

hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java

@@ -3061,6 +3061,11 @@ private void unregisterMXBean() {
     }
   }
 
+  @Override
+  public String getNamespace() {
+    return omNodeDetails.getServiceId();
+  }
+
   @Override
   public String getRpcPort() {
     return "" + omRpcAddress.getPort();