Package com.linkedin.helix.tools.ClusterStateVerifier

Examples of com.linkedin.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier

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    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR,
                                                                              CLUSTER_NAME));

    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 CLUSTER_NAME));
    Assert.assertTrue(result);
  }
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      participants[i].syncStart();
    }

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

    // restart
    Thread.sleep(500);
    MockParticipant participant =
        new MockParticipant(participants[0].getClusterName(),
                            participants[0].getInstanceName(),
                            ZK_ADDR,
                            null);
    System.err.println("Restart " + participant.getInstanceName());
    participant.syncStart();
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);

    System.out.println("START testRestartParticipant at "
        + new Date(System.currentTimeMillis()));
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      participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
      participants[i].syncStart();
    }

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

    // disable localhost_12918
    String command = "--zkSvr " + ZK_ADDR +" --enableInstance " + clusterName +
        " " + disableNode + " false";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 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(_gZkClient, clusterName, "TestDB0", expectStateMap, "==");
    Assert.assertTrue(result, disableNode + " should be in OFFLINE");
   
    // re-enable localhost_12918
    command = "--zkSvr " + ZK_ADDR +" --enableInstance " + clusterName +
        " " + disableNode + " true";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);

    // make sure localhost_12918 is NOT in OFFLINE state
    result = ZkTestHelper.verifyState(_gZkClient, clusterName, "TestDB0", expectStateMap, "!=");
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      participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
      participants[i].syncStart();
    }

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

    // disable localhost_12919
    String command = "--zkSvr " + ZK_ADDR +" --enableInstance " + clusterName +
        " " + disableNode + " false";
    ClusterSetup.processCommandLineArgs(command.split(" "));
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 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(_gZkClient, clusterName, "TestDB0", expectStateMap, "==");
    Assert.assertTrue(result, disableNode + " should be in OFFLINE");
   
    // re-enable localhost_12919
    command = "--zkSvr " + ZK_ADDR +" --enableInstance " + clusterName +
        " " + disableNode + " true";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);

    // make sure localhost_12919 is NOT in OFFLINE state
    result = ZkTestHelper.verifyState(_gZkClient, clusterName, "TestDB0", expectStateMap, "!=");
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      participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
      participants[i].syncStart();
    }

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

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

    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 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(_gZkClient, 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 " + ZK_ADDR +" --enablePartition true " + clusterName +
        " localhost_12919 TestDB0 TestDB0_0 TestDB0_5";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);

    // make sure localhost_12919 is NOT in OFFLINE state for [TestDB0_0, TestDB0_5]
    result = ZkTestHelper.verifyState(_gZkClient, clusterName, "TestDB0", expectStateMap, "!=");
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      participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
      participants[i].syncStart();
    }

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

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

    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 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(_gZkClient, 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 " + ZK_ADDR +" --enablePartition true " + clusterName +
        " localhost_12919 TestDB0 TestDB0_0 TestDB0_5";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);

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

    // external view for TestDB1 should be empty
    ExternalView extView = null;
    long start = System.currentTimeMillis();
    while (extView == null)
    {
      Thread.sleep(50);
      extView = accessor.getProperty(keyBuilder.externalView("TestDB1"));

      long now = System.currentTimeMillis();
      if (now - start > 5000)
      {
        Assert.fail("Timeout waiting for an empty external view of TestDB1");
      }
    }
    Assert.assertEquals(extView.getRecord().getMapFields().size(),
                        0,
                        "External view for TestDB1 should be empty since TestDB1 is added without a state model factory");

    // 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
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    Thread.sleep(4000);
    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    Builder keyBuilder = helixDataAccessor.keyBuilder();

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

    Builder kb = manager.getHelixDataAccessor().keyBuilder();
    ExternalView externalView = manager.getHelixDataAccessor().getProperty(kb.externalView("TestDB"));
    // Test the DISABLE_INSTANCE alerts
    String participant1 = "localhost_" + (START_PORT + 3);
    String participant2 = "localhost_" + (START_PORT + 2);
    ConfigAccessor configAccessor = manager.getConfigAccessor();
    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant1).build();
    String isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertFalse(Boolean.parseBoolean(isEnabled));

    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant2).build();
    isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertFalse(Boolean.parseBoolean(isEnabled));

    for(String partitionName : externalView.getRecord().getMapFields().keySet())
    {
      for(String hostName :  externalView.getRecord().getMapField(partitionName).keySet())
      {
        if(hostName.equals(participant1) || hostName.equals(participant2))
        {
          Assert.assertEquals(externalView.getRecord().getMapField(partitionName).get(hostName), "OFFLINE");
        }
      }
    }

    // enable the disabled instances
    setHealthData(metrics3, metrics3);
    task.run();
    Thread.sleep(1000);

    manager.getClusterManagmentTool().enableInstance(manager.getClusterName(), participant2, true);
    manager.getClusterManagmentTool().enableInstance(manager.getClusterName(), participant1, true);

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

    // Test the DISABLE_PARTITION case
    int[] metrics4 = {22, 115, 22, 16,163};
    setHealthData2(metrics4);
    task.run();

    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant1).build();
    isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertTrue(Boolean.parseBoolean(isEnabled));

    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant2).build();
    isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertTrue(Boolean.parseBoolean(isEnabled));

    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 CLUSTER_NAME));
    Assert.assertTrue(result);
    String participant3 = "localhost_" + (START_PORT + 4);
    externalView = manager.getHelixDataAccessor().getProperty(kb.externalView("TestDB"));
    Assert.assertTrue(externalView.getRecord().getMapField("TestDB_3").get(participant3).equalsIgnoreCase("OFFLINE"));
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        ClusterStateVerifier.verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR,
                                                                              clusterName));
    Assert.assertTrue(result);

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

    // other verifications go here
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
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          new MockParticipant(firstClusterName, instanceName, ZK_ADDR, null);
      participants[i].syncStart();
    }

    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 firstClusterName));
    Assert.assertTrue(result, "first cluster NOT in ideal state");
   
   
    // add more controllers to controller cluster
    ClusterSetup setupTool = new ClusterSetup(ZK_ADDR);
    for (int i = 0; i < n; i++)
    {
      String controller = "controller:" + (n + i);
      setupTool.addInstanceToCluster(controllerClusterName, controller);
    }
    setupTool.rebalanceStorageCluster(controllerClusterName, clusterNamePrefix + "0", 6);
    for (int i = n; i < 2 * n; i++)
    {
      controllers[i] =
          new ClusterController(controllerClusterName,
                                "controller_" + i,
                                ZK_ADDR,
                                HelixControllerMain.DISTRIBUTED.toString());
      controllers[i].syncStart();
    }

   
    // verify controller cluster
    result =
        ClusterStateVerifier.verifyByZkCallback(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                      controllerClusterName));
    Assert.assertTrue(result, "Controller cluster NOT in ideal state");
   
    // verify first cluster
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 firstClusterName));
    Assert.assertTrue(result, "first cluster NOT in ideal state");

   
    // stop controller_0-5
    ZkBaseDataAccessor<ZNRecord> baseAccessor =
        new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(controllerClusterName, baseAccessor);
    Builder keyBuilder = accessor.keyBuilder();
    for (int i = 0; i < n; i++)
    {
      LiveInstance leader = accessor.getProperty(keyBuilder.controllerLeader());
      String leaderName = leader.getId();
      int j = Integer.parseInt(leaderName.substring(leaderName.lastIndexOf('_') + 1));
      controllers[j].syncStop();
     
      result =
          ClusterStateVerifier.verifyByZkCallback(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                        controllerClusterName));
      Assert.assertTrue(result, "Controller cluster NOT in ideal state");
     
      result =
          ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                   firstClusterName));
      Assert.assertTrue(result, "first cluster NOT in ideal state");
    }

   
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