Package org.apache.helix.mock.controller

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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                            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);
      ZkHelixTestManager manager =
          new ZkHelixTestManager(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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                         // 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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                            n, // number of nodes
                            3, // replicas
                            "MasterSlave",
                            true); // do rebalance

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

    // start 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();
    }

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

    // add a new idealState without registering message handling factory
    ClusterSetup setupTool = new ClusterSetup(ZK_ADDR);
    setupTool.addResourceToCluster(clusterName, "TestDB1", 16, "MasterSlave");

    ZkBaseDataAccessor<ZNRecord> baseAccessor =
        new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, baseAccessor);
    Builder keyBuilder = accessor.keyBuilder();
    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB1"));
    idealState.setStateModelFactoryName("TestDB1_Factory");
    accessor.setProperty(keyBuilder.idealStates("TestDB1"), idealState);
    setupTool.rebalanceStorageCluster(clusterName, "TestDB1", 3);

    // assert that we have received OFFLINE->SLAVE messages for all partitions
    int totalMsgs = 0;
    for (int retry = 0; retry < 5; retry++) {
      Thread.sleep(100);
      totalMsgs = 0;
        for (int i = 0; i < n; i++) {
          List<Message> msgs = accessor.getChildValues(keyBuilder.messages(participants[i].getInstanceName()));
          totalMsgs += msgs.size();
        }
       
        if (totalMsgs == 48) // partition# x replicas
          break;
    }
   
    Assert.assertEquals(totalMsgs, 48,
      "Should accumulated 48 unprocessed messages (1 O->S per partition per replica) because TestDB1 is added without state-model-factory but was " + totalMsgs);

    // register "TestDB1_Factory" state model factory
    // Logger.getRootLogger().setLevel(Level.INFO);
    for (int i = 0; i < n; i++)
    {
      participants[i].getManager()
                     .getStateMachineEngine()
                     .registerStateModelFactory("MasterSlave",
                                                new MockMSModelFactory(),
                                                "TestDB1_Factory");
    }

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

    // 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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                            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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    Builder keyBuilder = accessor.keyBuilder();
    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
    idealState.setBatchMessageMode(true);
    accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);
   
    ClusterController controller = new ClusterController(clusterName, "controller_0", ZK_ADDR);
    controller.syncStart();
   
    // start participants
    MockParticipant[] participants = new MockParticipant[n];
    TestMockMSModelFactory[] ftys = new TestMockMSModelFactory[n];
   
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                              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 ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                   clusterName));
      Assert.assertTrue(result);
      final ZkHelixTestManager controllerManager = controller.getManager();
      final ZkHelixTestManager participantManagerToExpire = (ZkHelixTestManager)participants[1].getManager();

      // check controller zk-watchers
      result = TestHelper.verify(new TestHelper.Verifier() {
       
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                              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 ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                   clusterName));
      Assert.assertTrue(result);
      final ZkHelixTestManager controllerManager = controller.getManager();
      final ZkHelixTestManager participantManager = participants[0].getManager();

      // wait until we get all the listeners registered
      result = TestHelper.verify(new TestHelper.Verifier() {
       
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                n,  // nodes
                2,  // replicas
                "MasterSlave",
                true);

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

        MockParticipant[] participants = new MockParticipant[n];
        for (int i = 0; i < n; i++) {
            String instanceName = "localhost_" + (12918 + i);
            participants[i] = new MockParticipant(clusterName, instanceName, zkAddr, null);
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    }

    // start controller nodes
    for (int i = 0; i < 2; i++)
    {
      controllers[i] = new ClusterController(grandClusterName, "controller_900"
          + i, ZK_ADDR, HelixControllerMain.DISTRIBUTED);
      controllers[i].syncStart();
    }

    Thread.sleep(100);
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