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From rohithsharm...@apache.org
Subject [hadoop] 03/06: YARN-9034. ApplicationCLI should have option to take clusterId. Contributed by Rohith Sharma K S.
Date Thu, 05 Sep 2019 07:19:18 GMT
This is an automated email from the ASF dual-hosted git repository.

rohithsharmaks pushed a commit to branch branch-3.2
in repository https://gitbox.apache.org/repos/asf/hadoop.git

commit 0a6f90d4fc814355eea883818a646641d6a036e0
Author: Suma Shivaprasad <sumasai@apache.org>
AuthorDate: Wed Nov 28 00:42:00 2018 -0800

    YARN-9034. ApplicationCLI should have option to take clusterId. Contributed by Rohith
Sharma K S.
---
 .../hadoop/yarn/client/cli/ApplicationCLI.java     | 18 +++++
 .../apache/hadoop/yarn/client/cli/ClusterCLI.java  |  2 +
 .../org/apache/hadoop/yarn/client/cli/NodeCLI.java |  2 +
 .../apache/hadoop/yarn/client/cli/QueueCLI.java    |  2 +-
 .../org/apache/hadoop/yarn/client/cli/TopCLI.java  |  1 +
 .../org/apache/hadoop/yarn/client/cli/YarnCLI.java |  9 ++-
 .../hadoop/yarn/client/cli/TestClusterCLI.java     | 41 +++++-----
 .../apache/hadoop/yarn/client/cli/TestYarnCLI.java | 89 +++++++++++-----------
 .../client/api/impl/TimelineReaderClientImpl.java  |  2 +
 9 files changed, 93 insertions(+), 73 deletions(-)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ApplicationCLI.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ApplicationCLI.java
index 480ea23..71f4c13 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ApplicationCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ApplicationCLI.java
@@ -51,6 +51,7 @@ import org.apache.hadoop.yarn.api.records.Priority;
 import org.apache.hadoop.yarn.api.records.SignalContainerCommand;
 import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.client.api.AppAdminClient;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.exceptions.ApplicationAttemptNotFoundException;
 import org.apache.hadoop.yarn.exceptions.ApplicationNotFoundException;
 import org.apache.hadoop.yarn.exceptions.ContainerNotFoundException;
@@ -111,6 +112,8 @@ public class ApplicationCLI extends YarnCLI {
   public static final String COMPONENTS = "components";
   public static final String VERSION = "version";
   public static final String STATES = "states";
+  public static final String SHELL_CMD = "shell";
+  public static final String CLUSTER_ID_OPTION = "clusterId";
 
   private static String firstArg = null;
 
@@ -276,6 +279,8 @@ public class ApplicationCLI extends YarnCLI {
           "the ability to finalize the upgrade automatically.");
       opts.addOption(UPGRADE_CANCEL, false, "Works with -upgrade option to " +
           "cancel current upgrade.");
+      opts.addOption(CLUSTER_ID_OPTION, true, "ClusterId. "
+          + "By default, it will take default cluster id from the RM");
       opts.getOption(LAUNCH_CMD).setArgName("Application Name> <File Name");
       opts.getOption(LAUNCH_CMD).setArgs(2);
       opts.getOption(START_CMD).setArgName("Application Name");
@@ -300,6 +305,7 @@ public class ApplicationCLI extends YarnCLI {
       opts.getOption(COMPONENTS).setArgs(Option.UNLIMITED_VALUES);
       opts.getOption(DECOMMISSION).setArgName("Application Name");
       opts.getOption(DECOMMISSION).setArgs(1);
+      opts.getOption(CLUSTER_ID_OPTION).setArgName("Cluster ID");
     } else if (title != null && title.equalsIgnoreCase(APPLICATION_ATTEMPT)) {
       opts.addOption(STATUS_CMD, true,
           "Prints the status of the application attempt.");
@@ -307,9 +313,12 @@ public class ApplicationCLI extends YarnCLI {
           "List application attempts for application.");
       opts.addOption(FAIL_CMD, true, "Fails application attempt.");
       opts.addOption(HELP_CMD, false, "Displays help for all commands.");
+      opts.addOption(CLUSTER_ID_OPTION, true, "ClusterId. "
+          + "By default, it will take default cluster id from the RM");
       opts.getOption(STATUS_CMD).setArgName("Application Attempt ID");
       opts.getOption(LIST_CMD).setArgName("Application ID");
       opts.getOption(FAIL_CMD).setArgName("Application Attempt ID");
+      opts.getOption(CLUSTER_ID_OPTION).setArgName("Cluster ID");
     } else if (title != null && title.equalsIgnoreCase(CONTAINER)) {
       opts.addOption(STATUS_CMD, true,
           "Prints the status of the container.");
@@ -353,6 +362,9 @@ public class ApplicationCLI extends YarnCLI {
           " Default command is OUTPUT_THREAD_DUMP.");
       opts.getOption(SIGNAL_CMD).setArgName("container ID [signal command]");
       opts.getOption(SIGNAL_CMD).setArgs(3);
+      opts.addOption(CLUSTER_ID_OPTION, true, "ClusterId. "
+          + "By default, it will take default cluster id from the RM");
+      opts.getOption(CLUSTER_ID_OPTION).setArgName("Cluster ID");
     }
 
     int exitCode = -1;
@@ -377,6 +389,12 @@ public class ApplicationCLI extends YarnCLI {
       }
     }
 
+    if (cliParser.hasOption(CLUSTER_ID_OPTION)) {
+      String clusterIdStr = cliParser.getOptionValue(CLUSTER_ID_OPTION);
+      getConf().set(YarnConfiguration.RM_CLUSTER_ID, clusterIdStr);
+    }
+    createAndStartYarnClient();
+
     if (cliParser.hasOption(STATUS_CMD)) {
       if (hasAnyOtherCLIOptions(cliParser, opts, STATUS_CMD, APP_TYPE_CMD)) {
         printUsage(title, opts);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ClusterCLI.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ClusterCLI.java
index 4d93949..7ead774 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ClusterCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/ClusterCLI.java
@@ -100,6 +100,8 @@ public class ClusterCLI extends YarnCLI {
       return exitCode;
     }
 
+    createAndStartYarnClient();
+
     if (parsedCli.hasOption(DIRECTLY_ACCESS_NODE_LABEL_STORE)) {
       accessLocal = true;
     }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/NodeCLI.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/NodeCLI.java
index 44e9870..6120a84 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/NodeCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/NodeCLI.java
@@ -107,6 +107,8 @@ public class NodeCLI extends YarnCLI {
       return exitCode;
     }
 
+    createAndStartYarnClient();
+
     if (cliParser.hasOption("status")) {
       if (args.length != 2) {
         printUsage(opts);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/QueueCLI.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/QueueCLI.java
index 2c3dfd0..aeb3ffb 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/QueueCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/QueueCLI.java
@@ -69,7 +69,7 @@ public class QueueCLI extends YarnCLI {
       printUsage(opts);
       return -1;
     }
-
+    createAndStartYarnClient();
     if (cliParser.hasOption(STATUS_CMD)) {
       if (args.length != 2) {
         printUsage(opts);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/TopCLI.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/TopCLI.java
index aed5258..0d91806 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/TopCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/TopCLI.java
@@ -463,6 +463,7 @@ public class TopCLI extends YarnCLI {
       LOG.error("Unable to parse options", e);
       return 1;
     }
+    createAndStartYarnClient();
     setAppsHeader();
 
     Thread keyboardMonitor = new KeyboardMonitor();
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/YarnCLI.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/YarnCLI.java
index ac33dea..0747b63 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/YarnCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/YarnCLI.java
@@ -43,15 +43,18 @@ public abstract class YarnCLI extends Configured implements Tool {
 
   public YarnCLI() {
     super(new YarnConfiguration());
-    client = createYarnClient();
-    client.init(getConf());
-    client.start();
   }
 
   protected YarnClient createYarnClient() {
     return YarnClient.createYarnClient();
   }
 
+  protected void createAndStartYarnClient() {
+    client = createYarnClient();
+    client.init(getConf());
+    client.start();
+  }
+
   public void setSysOutPrintStream(PrintStream sysout) {
     this.sysout = sysout;
   }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestClusterCLI.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestClusterCLI.java
index 26afe6f..85aca05 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestClusterCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestClusterCLI.java
@@ -42,10 +42,12 @@ import org.junit.Test;
 import com.google.common.collect.ImmutableSet;
 
 public class TestClusterCLI {
+
   ByteArrayOutputStream sysOutStream;
   private PrintStream sysOut;
   ByteArrayOutputStream sysErrStream;
   private PrintStream sysErr;
+  private YarnClient client = mock(YarnClient.class);
 
   @Before
   public void setup() {
@@ -58,14 +60,10 @@ public class TestClusterCLI {
   
   @Test
   public void testGetClusterNodeLabels() throws Exception {
-    YarnClient client = mock(YarnClient.class);
     when(client.getClusterNodeLabels()).thenReturn(
         Arrays.asList(NodeLabel.newInstance("label1"),
             NodeLabel.newInstance("label2")));
-    ClusterCLI cli = new ClusterCLI();
-    cli.setClient(client);
-    cli.setSysOutPrintStream(sysOut);
-    cli.setSysErrPrintStream(sysErr);
+    ClusterCLI cli = createAndGetClusterCLI();
     
     int rc =
         cli.run(new String[] { ClusterCLI.CMD, "-" + ClusterCLI.LIST_LABELS_CMD });
@@ -80,16 +78,12 @@ public class TestClusterCLI {
 
   @Test
   public void testGetClusterNodeAttributes() throws Exception {
-    YarnClient client = mock(YarnClient.class);
     when(client.getClusterAttributes()).thenReturn(ImmutableSet
         .of(NodeAttributeInfo.newInstance(NodeAttributeKey.newInstance("GPU"),
             NodeAttributeType.STRING), NodeAttributeInfo
             .newInstance(NodeAttributeKey.newInstance("CPU"),
                 NodeAttributeType.STRING)));
-    ClusterCLI cli = new ClusterCLI();
-    cli.setClient(client);
-    cli.setSysOutPrintStream(sysOut);
-    cli.setSysErrPrintStream(sysErr);
+    ClusterCLI cli = createAndGetClusterCLI();
 
     int rc = cli.run(new String[] {ClusterCLI.CMD,
         "-" + ClusterCLI.LIST_CLUSTER_ATTRIBUTES});
@@ -105,14 +99,10 @@ public class TestClusterCLI {
 
   @Test
   public void testGetClusterNodeLabelsWithLocalAccess() throws Exception {
-    YarnClient client = mock(YarnClient.class);
     when(client.getClusterNodeLabels()).thenReturn(
         Arrays.asList(NodeLabel.newInstance("remote1"),
             NodeLabel.newInstance("remote2")));
-    ClusterCLI cli = new ClusterCLI();
-    cli.setClient(client);
-    cli.setSysOutPrintStream(sysOut);
-    cli.setSysErrPrintStream(sysErr);
+    ClusterCLI cli = createAndGetClusterCLI();
     ClusterCLI.localNodeLabelsManager = mock(CommonNodeLabelsManager.class);
     when(ClusterCLI.localNodeLabelsManager.getClusterNodeLabels()).thenReturn(
         Arrays.asList(NodeLabel.newInstance("local1"),
@@ -134,12 +124,8 @@ public class TestClusterCLI {
   
   @Test
   public void testGetEmptyClusterNodeLabels() throws Exception {
-    YarnClient client = mock(YarnClient.class);
     when(client.getClusterNodeLabels()).thenReturn(new ArrayList<NodeLabel>());
-    ClusterCLI cli = new ClusterCLI();
-    cli.setClient(client);
-    cli.setSysOutPrintStream(sysOut);
-    cli.setSysErrPrintStream(sysErr);
+    ClusterCLI cli = createAndGetClusterCLI();
 
     int rc =
         cli.run(new String[] { ClusterCLI.CMD, "-" + ClusterCLI.LIST_LABELS_CMD });
@@ -154,9 +140,7 @@ public class TestClusterCLI {
   
   @Test
   public void testHelp() throws Exception {
-    ClusterCLI cli = new ClusterCLI();
-    cli.setSysOutPrintStream(sysOut);
-    cli.setSysErrPrintStream(sysErr);
+    ClusterCLI cli = createAndGetClusterCLI();
 
     int rc =
         cli.run(new String[] { "cluster", "--help" });
@@ -192,4 +176,15 @@ public class TestClusterCLI {
     pw.close();
     verify(sysOut).println(baos.toString("UTF-8"));
   }
+
+  private ClusterCLI createAndGetClusterCLI() {
+    ClusterCLI cli = new ClusterCLI() {
+      @Override protected void createAndStartYarnClient() {
+      }
+    };
+    cli.setClient(client);
+    cli.setSysOutPrintStream(sysOut);
+    cli.setSysErrPrintStream(sysErr);
+    return cli;
+  }
 }
\ No newline at end of file
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java
index 9b1e863..459ed1e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java
@@ -993,10 +993,7 @@ public class TestYarnCLI {
 
   @Test (timeout = 5000)
   public void testNodesHelpCommand() throws Exception {
-    NodeCLI nodeCLI = new NodeCLI();
-    nodeCLI.setClient(client);
-    nodeCLI.setSysOutPrintStream(sysOut);
-    nodeCLI.setSysErrPrintStream(sysErr);
+    NodeCLI nodeCLI = createAndGetNodeCLI();
     nodeCLI.run(new String[] {});
     Assert.assertEquals(createNodeCLIHelpMessage(),
         sysOutStream.toString());
@@ -1290,9 +1287,7 @@ public class TestYarnCLI {
     nodeReports.addAll(getNodeReports(1, NodeState.REBOOTED));
     nodeReports.addAll(getNodeReports(1, NodeState.LOST));
 
-    NodeCLI cli = new NodeCLI();
-    cli.setClient(client);
-    cli.setSysOutPrintStream(sysOut);
+    NodeCLI cli = createAndGetNodeCLI();
 
     Set<NodeState> nodeStates = new HashSet<NodeState>();
     nodeStates.add(NodeState.NEW);
@@ -1545,12 +1540,9 @@ public class TestYarnCLI {
   @Test
   public void testNodeStatus() throws Exception {
     NodeId nodeId = NodeId.newInstance("host0", 0);
-    NodeCLI cli = new NodeCLI();
     when(client.getNodeReports())
         .thenReturn(getNodeReports(3, NodeState.RUNNING, false, false, false));
-    cli.setClient(client);
-    cli.setSysOutPrintStream(sysOut);
-    cli.setSysErrPrintStream(sysErr);
+    NodeCLI cli = createAndGetNodeCLI();
     int result = cli.run(new String[] { "-status", nodeId.toString() });
     assertEquals(0, result);
     verify(client).getNodeReports();
@@ -1583,12 +1575,9 @@ public class TestYarnCLI {
   @Test
   public void testNodeStatusWithEmptyNodeLabels() throws Exception {
     NodeId nodeId = NodeId.newInstance("host0", 0);
-    NodeCLI cli = new NodeCLI();
     when(client.getNodeReports()).thenReturn(
                     getNodeReports(3, NodeState.RUNNING));
-    cli.setClient(client);
-    cli.setSysOutPrintStream(sysOut);
-    cli.setSysErrPrintStream(sysErr);
+    NodeCLI cli = createAndGetNodeCLI();
     int result = cli.run(new String[] { "-status", nodeId.toString() });
     assertEquals(0, result);
     verify(client).getNodeReports();
@@ -1620,12 +1609,9 @@ public class TestYarnCLI {
   @Test
   public void testNodeStatusWithEmptyResourceUtilization() throws Exception {
     NodeId nodeId = NodeId.newInstance("host0", 0);
-    NodeCLI cli = new NodeCLI();
     when(client.getNodeReports())
         .thenReturn(getNodeReports(3, NodeState.RUNNING, false, true, true));
-    cli.setClient(client);
-    cli.setSysOutPrintStream(sysOut);
-    cli.setSysErrPrintStream(sysErr);
+    NodeCLI cli = createAndGetNodeCLI();
     int result = cli.run(new String[] { "-status", nodeId.toString() });
     assertEquals(0, result);
     verify(client).getNodeReports();
@@ -1657,12 +1643,10 @@ public class TestYarnCLI {
   @Test
   public void testAbsentNodeStatus() throws Exception {
     NodeId nodeId = NodeId.newInstance("Absenthost0", 0);
-    NodeCLI cli = new NodeCLI();
+
     when(client.getNodeReports()).thenReturn(
                 getNodeReports(0, NodeState.RUNNING));
-    cli.setClient(client);
-    cli.setSysOutPrintStream(sysOut);
-    cli.setSysErrPrintStream(sysErr);
+    NodeCLI cli = createAndGetNodeCLI();
     int result = cli.run(new String[] { "-status", nodeId.toString() });
     assertEquals(0, result);
     verify(client).getNodeReports();
@@ -1702,10 +1686,7 @@ public class TestYarnCLI {
         createContainerCLIHelpMessage()), normalize(sysOutStream.toString()));
 
     sysOutStream.reset();
-    NodeCLI nodeCLI = new NodeCLI();
-    nodeCLI.setClient(client);
-    nodeCLI.setSysOutPrintStream(sysOut);
-    nodeCLI.setSysErrPrintStream(sysErr);
+    NodeCLI nodeCLI = createAndGetNodeCLI();
     result = nodeCLI.run(new String[] { "-status" });
     Assert.assertEquals(result, -1);
     Assert.assertEquals(String.format("Missing argument for options%n%1s",
@@ -1774,10 +1755,7 @@ public class TestYarnCLI {
       yarnClient.init(yarnConf);
       yarnClient.start();
 
-      QueueCLI cli = new QueueCLI();
-      cli.setClient(yarnClient);
-      cli.setSysOutPrintStream(sysOut);
-      cli.setSysErrPrintStream(sysErr);
+      QueueCLI cli = createAndGetQueueCLI(yarnClient);
       sysOutStream.reset();
       // Get status for the root.a queue
       int result = cli.run(new String[] { "-status", "a" });
@@ -1788,10 +1766,7 @@ public class TestYarnCLI {
       // In-queue preemption is disabled at the "root.a" queue level
       Assert.assertTrue(queueStatusOut
           .contains("Intra-queue Preemption : disabled"));
-      cli = new QueueCLI();
-      cli.setClient(yarnClient);
-      cli.setSysOutPrintStream(sysOut);
-      cli.setSysErrPrintStream(sysErr);
+      cli = createAndGetQueueCLI(yarnClient);
       sysOutStream.reset();
       // Get status for the root.a.a1 queue
       result = cli.run(new String[] { "-status", "a1" });
@@ -1836,10 +1811,7 @@ public class TestYarnCLI {
       yarnClient.init(yarnConf);
       yarnClient.start();
 
-      QueueCLI cli = new QueueCLI();
-      cli.setClient(yarnClient);
-      cli.setSysOutPrintStream(sysOut);
-      cli.setSysErrPrintStream(sysErr);
+      QueueCLI cli = createAndGetQueueCLI(yarnClient);
       sysOutStream.reset();
       int result = cli.run(new String[] { "-status", "a1" });
       assertEquals(0, result);
@@ -1880,10 +1852,7 @@ public class TestYarnCLI {
       yarnClient.init(yarnConf);
       yarnClient.start();
 
-      QueueCLI cli = new QueueCLI();
-      cli.setClient(yarnClient);
-      cli.setSysOutPrintStream(sysOut);
-      cli.setSysErrPrintStream(sysErr);
+      QueueCLI cli = createAndGetQueueCLI(yarnClient);
       sysOutStream.reset();
       int result = cli.run(new String[] { "-status", "a1" });
       assertEquals(0, result);
@@ -2101,14 +2070,36 @@ public class TestYarnCLI {
   }
 
   private ApplicationCLI createAndGetAppCLI() {
-    ApplicationCLI cli = new ApplicationCLI();
+    ApplicationCLI cli = new ApplicationCLI() {
+      @Override protected void createAndStartYarnClient() {
+      }
+    };
     cli.setClient(client);
     cli.setSysOutPrintStream(sysOut);
+    cli.setSysErrPrintStream(sysErr);
     return cli;
   }
-  
+
   private QueueCLI createAndGetQueueCLI() {
-    QueueCLI cli = new QueueCLI();
+    return createAndGetQueueCLI(client);
+  }
+
+  private QueueCLI createAndGetQueueCLI(YarnClient client) {
+    QueueCLI cli = new QueueCLI() {
+      @Override protected void createAndStartYarnClient() {
+      }
+    };
+    cli.setClient(client);
+    cli.setSysOutPrintStream(sysOut);
+    cli.setSysErrPrintStream(sysErr);
+    return cli;
+  }
+
+  private NodeCLI createAndGetNodeCLI() {
+    NodeCLI cli = new NodeCLI() {
+      @Override protected void createAndStartYarnClient() {
+      }
+    };
     cli.setClient(client);
     cli.setSysOutPrintStream(sysOut);
     cli.setSysErrPrintStream(sysErr);
@@ -2152,6 +2143,9 @@ public class TestYarnCLI {
     pw.println("                                          deprecated, this new command");
     pw.println("                                          'changeQueue' performs same");
     pw.println("                                          functionality.");
+    pw.println(" -clusterId <Cluster ID>                  ClusterId. By default, it
will");
+    pw.println("                                          take default cluster id from the");
+    pw.println("                                          RM");
     pw.println(" -component <Component Name> <Count>      Works with -flex option
to");
     pw.println("                                          change the number of");
     pw.println("                                          components/containers running");
@@ -2298,6 +2292,8 @@ public class TestYarnCLI {
     ByteArrayOutputStream baos = new ByteArrayOutputStream();
     PrintWriter pw = new PrintWriter(baos);
     pw.println("usage: applicationattempt");
+    pw.println(" -clusterId <Cluster ID>            ClusterId. By default, it will
take");
+    pw.println("                                    default cluster id from the RM");
     pw.println(" -fail <Application Attempt ID>     Fails application attempt.");
     pw.println(" -help                              Displays help for all commands.");
     pw.println(" -list <Application ID>             List application attempts for");
@@ -2314,6 +2310,7 @@ public class TestYarnCLI {
     PrintWriter pw = new PrintWriter(baos);
     pw.println("usage: container");
     pw.println(" -appTypes <Types>                Works with -list to specify the app
type when application name is provided.");
+    pw.println(" -clusterId <Cluster ID>          ClusterId. By default, it will take
default cluster id from the RM ");
     pw.println(" -components <arg>                Works with -list to filter instances
based on input comma-separated list of component names.");
     pw.println(" -help                            Displays help for all commands.");
     pw.println(" -list <Application Name or Attempt ID>   List containers for application
attempt  when application attempt ID is provided. When application name is provided, then
it finds the instances of the application based on app's own implementation, and -appTypes
option must be specified unless it is the default yarn-service type. With app name, it supports
optional use of -version to filter instances based on app version, -components to filter instances
based on component names,  [...]
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineReaderClientImpl.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineReaderClientImpl.java
index b138a54..db53f93 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineReaderClientImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineReaderClientImpl.java
@@ -94,6 +94,8 @@ public class TimelineReaderClientImpl extends TimelineReaderClient {
         conf, timelineReaderWebAppAddress, RESOURCE_URI_STR_V2);
     clusterId = conf.get(YarnConfiguration.RM_CLUSTER_ID,
         YarnConfiguration.DEFAULT_RM_CLUSTER_ID);
+    LOG.info("Initialized TimelineReader URI=" + baseUri + ", clusterId="
+        + clusterId);
     super.serviceInit(conf);
   }
 


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