Examples of ClusterController

Examples of org.apache.helix.mock.controller.ClusterController

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                            3, // replicas
                            "MasterSlave",
                            true); // do rebalance

    // start controller
    ClusterController controller =
        new ClusterController(clusterName, "controller_0", ZK_ADDR);
    controller.syncStart();

    // start participants
    for (int i = 0; i < 5; i++)
    {
      String instanceName = "localhost_" + (12918 + i);
      TestZkHelixManager manager =
          new TestZkHelixManager(clusterName,
                                 instanceName,
                                 InstanceType.PARTICIPANT,
                                 ZK_ADDR);
      participants[i] = new MockParticipant(manager, new SessionExpiryTransition());
      participants[i].syncStart();
    }

    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);

    // clean up
    for (int i = 0; i < 5; i++)
    {
      participants[i].syncStop();
    }

    Thread.sleep(2000);
    controller.syncStop();

    System.out.println("END " + clusterName + " at "
        + new Date(System.currentTimeMillis()));

  }
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Examples of org.apache.helix.mock.controller.ClusterController

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                         // rebalance

  // start controller
  ClusterController[] controllers = new ClusterController[4];
  for (int i = 0; i < 4; i++) {
      controllers[i] = new ClusterController(clusterName, "controller_0", ZK_ADDR);
      controllers[i].start();
  }

  Thread.sleep(500); // wait leader election finishes
  String liPath = PropertyPathConfig.getPath(PropertyType.LIVEINSTANCES, clusterName);
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Examples of org.apache.helix.mock.controller.ClusterController

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                            3, // replicas
                            "MasterSlave",
                            true); // do rebalance

    // start controller
    ClusterController controller =
        new ClusterController(clusterName, "controller_0", ZK_ADDR);
    controller.syncStart();

    Map<String, Set<String>> errPartitions = new HashMap<String, Set<String>>()
    {
      {
        put("SLAVE-MASTER", TestHelper.setOf("TestDB0_4"));
        put("OFFLINE-SLAVE", TestHelper.setOf("TestDB0_8"));
      }
    };

    // start mock participants
    MockParticipant[] participants = new MockParticipant[n];
    for (int i = 0; i < n; i++)
    {
      String instanceName = "localhost_" + (12918 + i);

      if (i == 0)
      {
        participants[i] =
            new MockParticipant(clusterName,
                                instanceName,
                                ZK_ADDR,
                                new ErrTransition(errPartitions));
      }
      else
      {
        participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR);
      }
      participants[i].syncStart();
    }

    // verify cluster
    Map<String, Map<String, String>> errStateMap =
        new HashMap<String, Map<String, String>>();
    errStateMap.put("TestDB0", new HashMap<String, String>());
    errStateMap.get("TestDB0").put("TestDB0_4", "localhost_12918");
    errStateMap.get("TestDB0").put("TestDB0_8", "localhost_12918");
    boolean result =
        ClusterStateVerifier.verifyByZkCallback((new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                       clusterName,
                                                                                                       errStateMap)));
    Assert.assertTrue(result, "Cluster verification fails");
   
    // reset node "localhost_12918"
    participants[0].setTransition(null);
    String command =
        "--zkSvr " + ZK_ADDR + " --resetInstance " + clusterName
            + " localhost_12918";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));

    result =
        ClusterStateVerifier.verifyByZkCallback((new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                       clusterName)));
    Assert.assertTrue(result, "Cluster verification fails");
   
    // clean up
    // wait for all zk callbacks done
    Thread.sleep(1000);
    controller.syncStop();
    for (int i = 0; i < 5; i++)
    {
      participants[i].syncStop();
    }
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Examples of org.apache.helix.mock.controller.ClusterController

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                            3, // replicas
                            "MasterSlave",
                            true); // do rebalance

    // start controller
    ClusterController controller =
        new ClusterController(clusterName, "controller_0", ZK_ADDR);
    controller.syncStart();

    Map<String, Set<String>> errPartitions = new HashMap<String, Set<String>>()
    {
      {
        put("SLAVE-MASTER", TestHelper.setOf("TestDB0_4"));
        put("OFFLINE-SLAVE", TestHelper.setOf("TestDB0_8"));
      }
    };

    // start mock participants
    MockParticipant[] participants = new MockParticipant[n];
    for (int i = 0; i < n; i++)
    {
      String instanceName = "localhost_" + (12918 + i);

      if (i == 0)
      {
        participants[i] =
            new MockParticipant(clusterName,
                                instanceName,
                                ZK_ADDR,
                                new ErrTransition(errPartitions));
      }
      else
      {
        participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR);
      }
      participants[i].syncStart();
    }

    // verify cluster
    Map<String, Map<String, String>> errStateMap =
        new HashMap<String, Map<String, String>>();
    errStateMap.put("TestDB0", new HashMap<String, String>());
    errStateMap.get("TestDB0").put("TestDB0_4", "localhost_12918");
    errStateMap.get("TestDB0").put("TestDB0_8", "localhost_12918");
    boolean result =
        ClusterStateVerifier.verifyByZkCallback((new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                       clusterName,
                                                                                                       errStateMap)));
    Assert.assertTrue(result, "Cluster verification fails");

    // reset a non-exist partition, should throw exception
    try
    {
      String command =
          "--zkSvr " + ZK_ADDR + " --resetPartition " + clusterName
              + " localhost_12918 TestDB0 TestDB0_nonExist";
      ClusterSetup.processCommandLineArgs(command.split("\\s+"));
      Assert.fail("Should throw exception on reset a non-exist partition");
    }
    catch (Exception e)
    {
      // OK
    }

    // reset one error partition
    errPartitions.remove("SLAVE-MASTER");
    participants[0].setTransition(new ErrTransitionWithResetCnt(errPartitions));
    clearStatusUpdate(clusterName, "localhost_12918", "TestDB0", "TestDB0_4");
    _errToOfflineInvoked = 0;
    String command =
        "--zkSvr " + ZK_ADDR + " --resetPartition " + clusterName
            + " localhost_12918 TestDB0 TestDB0_4";

    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    Thread.sleep(200); // wait reset to be done
    try
    {
      ClusterSetup.processCommandLineArgs(command.split("\\s+"));
      Assert.fail("Should throw exception on reset a partition not in ERROR state");
    }
    catch (Exception e)
    {
      // OK
    }

    errStateMap.get("TestDB0").remove("TestDB0_4");
    result =
        ClusterStateVerifier.verifyByZkCallback((new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                   clusterName,
                                                                                                   errStateMap)));
    Assert.assertTrue(result, "Cluster verification fails");
    Assert.assertEquals(_errToOfflineInvoked, 1);

    // reset the other error partition
    participants[0].setTransition(new ErrTransitionWithResetCnt(null));
    clearStatusUpdate(clusterName, "localhost_12918", "TestDB0", "TestDB0_8");

    command =
        "--zkSvr " + ZK_ADDR + " --resetPartition " + clusterName
            + " localhost_12918 TestDB0 TestDB0_8";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));

    result =
        ClusterStateVerifier.verifyByPolling(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                   clusterName));
    Assert.assertTrue(result, "Cluster verification fails");
    Assert.assertEquals(_errToOfflineInvoked, 2, "Should reset 2 partitions");

    // clean up
    // wait for all zk callbacks done
    Thread.sleep(1000);
    controller.syncStop();
    for (int i = 0; i < 5; i++)
    {
      participants[i].syncStop();
    }
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Examples of org.apache.helix.mock.controller.ClusterController

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    // registry a message listener so we know how many message generated
    TestZkChildListener listener = new TestZkChildListener();
    _gZkClient.subscribeChildChanges(keyBuilder.messages("localhost_12918").getPath(), listener);

   
    ClusterController controller =
        new ClusterController(clusterName, "controller_0", ZK_ADDR);
    controller.syncStart();

    // start participants
    MockParticipant[] participants = new MockParticipant[n];
    for (int i = 0; i < n; i++)
    {
      String instanceName = "localhost_" + (12918 + i);

      participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
      participants[i].syncStart();
    }

    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);
    Assert.assertTrue(listener._maxNbOfChilds <= 2, "Should get no more than 2 messages (O->S and S->M)");
   
    // clean up
    // wait for all zk callbacks done
    Thread.sleep(1000);
    controller.syncStop();
    for (int i = 0; i < n; i++)
    {
      participants[i].syncStop();
    }
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Examples of org.apache.helix.mock.controller.ClusterController

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                            n, // number of nodes
                            2, // replicas
                            "MasterSlave",
                            true); // do rebalance
   
    ClusterController controller =
        new ClusterController(clusterName, "controller_0", ZK_ADDR);
    controller.syncStart();

    // start participants
    MockParticipant[] participants = new MockParticipant[n];
    for (int i = 0; i < n; i++)
    {
      String instanceName = "localhost_" + (12918 + i);

      participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
      participants[i].syncStart();
    }

    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);
   
    // stop all participants
    Thread.sleep(1000);
    for (int i = 0; i < n; i++)
    {
      participants[i].syncStop();
    }
   
    // enable group message
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();
    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
    idealState.setGroupMessageMode(true);
    accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

    // registry a message listener so we know how many message generated
    TestZkChildListener listener = new TestZkChildListener();
    _gZkClient.subscribeChildChanges(keyBuilder.messages("localhost_12918").getPath(), listener);

    // restart all participants
    for (int i = 0; i < n; i++)
    {
      String instanceName = "localhost_" + (12918 + i);

      participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
      participants[i].syncStart();
    }
   
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);
    Assert.assertTrue(listener._maxNbOfChilds <= 2, "Should get no more than 2 messages (O->S and S->M)");

   
    // clean up
    // wait for all zk callbacks done
    Thread.sleep(1000);
    controller.syncStop();
    for (int i = 0; i < n; i++)
    {
      participants[i].syncStop();
    }
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Examples of org.apache.whirr.ClusterController

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    private File launchHadoopCluster(HostDescription hostDescription, File workingDirectory)
            throws IOException, GFacHandlerException, ConfigurationException, InterruptedException, TransformerException, ParserConfigurationException {
        ClusterSpec hadoopClusterSpec =
                whirrConfigurationToClusterSpec(hostDescription, workingDirectory);
        ClusterController hadoopClusterController =
                createClusterController(hadoopClusterSpec.getServiceName());
        Cluster hadoopCluster =  hadoopClusterController.launchCluster(hadoopClusterSpec);

        logger.info(String.format("Started cluster of %s instances.\n",
                hadoopCluster.getInstances().size()));

        File siteXML = new File(workingDirectory, "hadoop-site.xml");
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Examples of org.apache.whirr.ClusterController

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        return siteXML;
    }

    private ClusterController createClusterController(String serviceName){
        ClusterControllerFactory factory = new ClusterControllerFactory();
        ClusterController controller = factory.create(serviceName);

        if(controller == null){
            logger.warn("Unable to find the service {0}, using default.", serviceName);
            controller = factory.create(null);
        }
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Examples of org.apache.whirr.ClusterController

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    if (System.getProperty("config") != null) {
      config.addConfiguration(new PropertiesConfiguration(System.getProperty("config")));
    }
    config.addConfiguration(new PropertiesConfiguration(this.configResource));
    clusterSpec = ClusterSpec.withTemporaryKeys(config);
    controller = new ClusterController();

    cluster = controller.launchCluster(clusterSpec);
    proxy = new HadoopProxy(clusterSpec, cluster);
    proxy.start();
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Examples of org.apache.whirr.ClusterController

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        newInstanceTemplate("noop"),
        newInstanceTemplate("noop", "noop1", "noop2"),
        newInstanceTemplate("noop1", "noop3")
    ));

    ClusterController controller = new ClusterController();
    cluster = controller.launchCluster(clusterSpec);
  }
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