Package org.apache.helix.manager.zk

Examples of org.apache.helix.manager.zk.MockController

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      _participants[i].syncStart();
    }

    // start controller
    String controllerName = "controller_0";
    _controller = new MockController(_zkaddr, CLUSTER_NAME, controllerName);
    _controller.syncStart();

    // create cluster manager
    _manager =
        HelixManagerFactory.getZKHelixManager(CLUSTER_NAME, "Admin", InstanceType.ADMINISTRATOR,
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      _participants[i].syncStart();
    }

    // Start controller
    String controllerName = "controller_0";
    _controller = new MockController(_zkaddr, CLUSTER_NAME, controllerName);
    _controller.syncStart();

    // Start an admin connection
    _manager =
        HelixManagerFactory.getZKHelixManager(CLUSTER_NAME, "Admin", InstanceType.ADMINISTRATOR,
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    // start multiple controllers of same name
    int m = 3;
    MockController[] controllers = new MockController[m];

    for (int i = 0; i < m; i++) {
      controllers[i] = new MockController(_zkaddr, clusterName, "controller");
      controllers[i].syncStart();
    }

    // assert that only one is leader
    int leaderCnt = 0;
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        n, // number of nodes
        3, // replicas
        "MasterSlave", true); // do rebalance

    // start controller
    MockController controller =
        new MockController(_zkaddr, clusterName, "controller");
    controller.syncStart();

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

    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(_zkaddr,
            clusterName));
    Assert.assertTrue(result);
    String oldSessionId = controller.getSessionId();

    // expire zk-connection on localhost_12918
    ZkTestHelper.expireSession(controller.getZkClient());

    // wait until session expiry callback happens
    TimeUnit.MILLISECONDS.sleep(100);

    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(_zkaddr,
            clusterName));
    Assert.assertTrue(result);
    String newSessionId = controller.getSessionId();
    Assert.assertNotSame(newSessionId, oldSessionId);

    // cleanup
    controller.syncStop();
    for (int i = 0; i < n; i++) {
      participants[i].syncStop();
    }

    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
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          Arrays.asList(_participants[i].getInstanceName()));
      _admin.setResourceIdealState(_clusterName, RESOURCES[i], idealState);
    }

    // Start the controller
    _controller = new MockController(_zkaddr, _clusterName, "controller_0");
    _controller.syncStart();
    Thread.sleep(1000);
  }
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        n, // number of nodes
        1, // replicas
        "MasterSlave", true); // do rebalance

    // start controller
    MockController controller =
        new MockController(_zkaddr, clusterName, "controller_0");
    controller.syncStart();

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

    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(_zkaddr,
            clusterName));
    Assert.assertTrue(result);
    String oldSessionId = participants[0].getSessionId();

    // expire zk-connection on localhost_12918
    ZkTestHelper.expireSession(participants[0].getZkClient());

    // wait until session expiry callback happens
    TimeUnit.MILLISECONDS.sleep(100);

    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(_zkaddr,
            clusterName));
    Assert.assertTrue(result);
    String newSessionId = participants[0].getSessionId();
    Assert.assertNotSame(newSessionId, oldSessionId);

    // cleanup
    controller.syncStop();
    for (int i = 0; i < n; i++) {
      participants[i].syncStop();
    }

    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
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        n, // number of nodes
        1, // replicas
        "MasterSlave", true); // do rebalance

    // start controller
    MockController controller =
        new MockController(_zkaddr, clusterName, "controller_0");
    controller.syncStart();

    // start participants
    for (int i = 0; i < n; i++) {
      String instanceName = "localhost_" + (12918 + i);
      participants[i] = new MockParticipant(_zkaddr, clusterName, instanceName);
      participants[i].setTransition(new SessionExpiryTransition(startCountdown, endCountdown));
      participants[i].syncStart();
    }

    // wait transition happens to trigger session expiry
    startCountdown.await();
    String oldSessionId = participants[0].getSessionId();
    System.out.println("oldSessionId: " + oldSessionId);
    ZkTestHelper.expireSession(participants[0].getZkClient());

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

    String newSessionId = participants[0].getSessionId();
    Assert.assertNotSame(newSessionId, oldSessionId);

    // assert interrupt exception error in old session
    String errPath =
        PropertyPathConfig.getPath(PropertyType.ERRORS, clusterName, "localhost_12918",
            oldSessionId, "TestDB0", "TestDB0_0");
    ZNRecord error = _zkclient.readData(errPath);
    Assert
        .assertNotNull(
            error,
            "InterruptedException should happen in old session since task is being cancelled during handleNewSession");
    String errString = new String(new ZNRecordSerializer().serialize(error));
    Assert.assertTrue(errString.indexOf("InterruptedException") != -1);

    // cleanup
    controller.syncStop();
    for (int i = 0; i < n; i++) {
      participants[i].syncStop();
    }

    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
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    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
    idealState.setRebalanceMode(RebalanceMode.CUSTOMIZED);
    accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

    // start controller
    MockController controller =
        new MockController(_zkaddr, clusterName, "controller_0");
    controller.syncStart();

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

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

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

    // disable localhost_12918
    String command =
        "--zkSvr " + _zkaddr + " --enableInstance " + clusterName + " " + disableNode + " false";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(_zkaddr,
            clusterName));
    Assert.assertTrue(result);

    // make sure localhost_12918 is in OFFLINE state
    Map<String, Map<String, String>> expectStateMap = new HashMap<String, Map<String, String>>();
    Map<String, String> expectInstanceStateMap = new HashMap<String, String>();
    expectInstanceStateMap.put(disableNode, "OFFLINE");
    expectStateMap.put(".*", expectInstanceStateMap);
    result = ZkTestHelper.verifyState(_zkclient, clusterName, "TestDB0", expectStateMap, "==");
    Assert.assertTrue(result, disableNode + " should be in OFFLINE");

    // re-enable localhost_12918
    command =
        "--zkSvr " + _zkaddr + " --enableInstance " + clusterName + " " + disableNode + " true";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(_zkaddr,
            clusterName));
    Assert.assertTrue(result);

    // make sure localhost_12918 is NOT in OFFLINE state
    result = ZkTestHelper.verifyState(_zkclient, clusterName, "TestDB0", expectStateMap, "!=");
    Assert.assertTrue(result, disableNode + " should NOT be in OFFLINE");

    // clean up
    // wait for all zk callbacks done
    controller.syncStop();
    for (int i = 0; i < 5; i++) {
      participants[i].syncStop();
    }

    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
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        n, // number of nodes
        3, // replicas
        "MasterSlave", true); // do rebalance

    // start controller
    MockController controller =
        new MockController(_zkaddr, clusterName, "controller_0");
    controller.syncStart();

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

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

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

    // disable localhost_12919
    String command =
        "--zkSvr " + _zkaddr + " --enableInstance " + clusterName + " " + disableNode + " false";
    ClusterSetup.processCommandLineArgs(command.split(" "));
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(_zkaddr,
            clusterName));
    Assert.assertTrue(result);

    // make sure localhost_12919 is in OFFLINE state
    Map<String, Map<String, String>> expectStateMap = new HashMap<String, Map<String, String>>();
    Map<String, String> expectInstanceStateMap = new HashMap<String, String>();
    expectInstanceStateMap.put(disableNode, "OFFLINE");
    expectStateMap.put(".*", expectInstanceStateMap);
    result = ZkTestHelper.verifyState(_zkclient, clusterName, "TestDB0", expectStateMap, "==");
    Assert.assertTrue(result, disableNode + " should be in OFFLINE");

    // re-enable localhost_12919
    command =
        "--zkSvr " + _zkaddr + " --enableInstance " + clusterName + " " + disableNode + " true";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(_zkaddr,
            clusterName));
    Assert.assertTrue(result);

    // make sure localhost_12919 is NOT in OFFLINE state
    result = ZkTestHelper.verifyState(_zkclient, clusterName, "TestDB0", expectStateMap, "!=");
    Assert.assertTrue(result, disableNode + " should NOT be in OFFLINE");

    // clean up
    // wait for all zk callbacks done
    controller.syncStop();
    for (int i = 0; i < 5; i++) {
      participants[i].syncStop();
    }

    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
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    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
    idealState.setRebalanceMode(RebalanceMode.CUSTOMIZED);
    accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

    // start controller
    MockController controller =
        new MockController(_zkaddr, clusterName, "controller_0");
    controller.syncStart();

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

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

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

    // disable [TestDB0_0, TestDB0_5] on localhost_12919
    String command =
        "--zkSvr " + _zkaddr + " --enablePartition false " + clusterName
            + " localhost_12919 TestDB0 TestDB0_0 TestDB0_5";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));

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

    // make sure localhost_12918 is in OFFLINE state for [TestDB0_0, TestDB0_5]
    Map<String, Map<String, String>> expectStateMap = new HashMap<String, Map<String, String>>();
    Map<String, String> expectInstanceStateMap = new HashMap<String, String>();
    expectInstanceStateMap.put("localhost_12919", "OFFLINE");
    expectStateMap.put("TestDB0_0", expectInstanceStateMap);
    expectStateMap.put("TestDB0_5", expectInstanceStateMap);
    result = ZkTestHelper.verifyState(_zkclient, clusterName, "TestDB0", expectStateMap, "==");
    Assert.assertTrue(result, "localhost_12919"
        + " should be in OFFLINE for [TestDB0_0, TestDB0_5]");

    // re-enable localhost_12919 for [TestDB0_0, TestDB0_5]
    command =
        "--zkSvr " + _zkaddr + " --enablePartition true " + clusterName
            + " localhost_12919 TestDB0 TestDB0_0 TestDB0_5";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(_zkaddr,
            clusterName));
    Assert.assertTrue(result);

    // make sure localhost_12919 is NOT in OFFLINE state for [TestDB0_0, TestDB0_5]
    result = ZkTestHelper.verifyState(_zkclient, clusterName, "TestDB0", expectStateMap, "!=");
    Assert.assertTrue(result, "localhost_12919" + " should NOT be in OFFLINE");

    // clean up
    // wait for all zk callbacks done
    controller.syncStop();
    for (int i = 0; i < 5; i++) {
      participants[i].syncStop();
    }

    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
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Related Classes of org.apache.helix.manager.zk.MockController

  • org.apache.helix.agent.TestHelixAgent
  • org.apache.helix.controller.stages.TestRebalancePipeline
  • org.apache.helix.controller.stages.TestStagesWithLogicalAccessors
  • org.apache.helix.integration.IntegrationTest
  • org.apache.helix.integration.manager.TestConsecutiveZkSessionExpiry
  • org.apache.helix.integration.manager.TestControllerManager
  • org.apache.helix.integration.manager.TestParticipantManager
  • org.apache.helix.integration.manager.TestStateModelLeak
  • org.apache.helix.integration.task.TestIndependentTaskRebalancer
  • org.apache.helix.integration.task.TestTaskRebalancer
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