Package org.apache.helix.tools.ClusterStateVerifier

Examples of org.apache.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier

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    ClusterSetup.processCommandLineArgs(new String[] {
        "--zkSvr", ZK_ADDR, "--enableCluster", clusterName, "true"
    });

    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
            clusterName));
    Assert.assertTrue(result);
    Assert.assertTrue(listener._maxNbOfChilds > 16,
        "Should see more than 16 messages at the same time (32 O->S and 32 S->M)");
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      participants[i] = new MockParticipantManager(ZK_ADDR, firstClusterName, instanceName);
      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 ClusterDistributedController(ZK_ADDR, controllerClusterName, "controller_" + i);
      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");
    }

    // clean up
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    try {
      Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));

      // wait until stable state
      boolean result =
          ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(zkAddr,
              clusterName));
      Assert.assertTrue(result);

    } finally {
      participant.disconnect();
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          new MockMSModelFactory());
      distributedControllers[i].connect();
    }

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

    // disconnect first distributed-controller, and verify second takes leadership
    distributedControllers[0].disconnect();

    // verify leader changes to localhost_12919
    Thread.sleep(100);
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
            clusterName));
    Assert.assertTrue(result);

    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
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          new MockMSModelFactory());
      distributedControllers[i].connect();
    }

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

    // expire localhost_12918
    expireController(distributedControllers[0], distributedControllers[1]);
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      participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
      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)");
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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);

    // clean up
    controller.syncStop();
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    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 BestPossAndExtViewZkVerifier(ZK_ADDR,
            clusterName, errStateMap));
    Assert.assertTrue(result);

    // drop resource containing error partitions should drop the partition successfully
    ClusterSetup.processCommandLineArgs(new String[] {
        "--zkSvr", ZK_ADDR, "--dropResource", clusterName, "TestDB0"
    });

    // make sure TestDB0_4 and TestDB0_8 partitions are dropped
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
            clusterName));
    Assert.assertTrue(result);

    // clean up
    controller.syncStop();
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    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");
    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
            clusterName, errStateMap));
    Assert.assertTrue(result);

    // drop resource containing error partitions should invoke error->dropped transition
    // if error happens during error->dropped transition, partition should be disabled
    ClusterSetup.processCommandLineArgs(new String[] {
        "--zkSvr", ZK_ADDR, "--dropResource", clusterName, "TestDB0"
    });

    // make sure TestDB0_4 stay in ERROR state and is disabled
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
            clusterName, errStateMap));
    Assert.assertTrue(result);

    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
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    Map<String, Map<String, String>> errStateMap = new HashMap<String, Map<String, String>>();
    errStateMap.put("TestDB0", new HashMap<String, String>());
    errStateMap.get("TestDB0").put("TestDB0_0", "localhost_12918");
    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
            clusterName, errStateMap));
    Assert.assertTrue(result);

    // drop resource containing error partitions should drop the partition successfully
    ClusterSetup.processCommandLineArgs(new String[] {
        "--zkSvr", ZK_ADDR, "--dropResource", clusterName, "TestDB0"
    });

    // make sure TestDB0_0 partition is dropped
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
            clusterName));
    Assert.assertTrue(result, "Should be empty exeternal-view");

    // clean up
    controller.syncStop();
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Related Classes of org.apache.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier

  • org.apache.helix.agent.TestHelixAgent
  • org.apache.helix.api.TestNewStages
  • org.apache.helix.controller.stages.TestStagesWithLogicalAccessors
  • org.apache.helix.healthcheck.TestAlertActionTriggering
  • org.apache.helix.healthcheck.TestDummyAlerts
  • org.apache.helix.integration.manager.TestConsecutiveZkSessionExpiry
  • org.apache.helix.integration.manager.TestControllerManager
  • org.apache.helix.integration.manager.TestDistributedControllerManager
  • org.apache.helix.integration.manager.TestHelixMultiClusterController
  • org.apache.helix.integration.manager.TestParticipantManager
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