Package org.apache.helix.integration.manager

Examples of org.apache.helix.integration.manager.ClusterControllerManager

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    }

    // start controller
    String controllerName = CONTROLLER_PREFIX + "_0";
    _controller =
        new ClusterControllerManager(ZK_ADDR, CLUSTER_NAME, controllerName);
    _controller.syncStart();

    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new ExternalViewBalancedVerifier(_gZkClient,
            CLUSTER_NAME, TEST_DB));
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    });
    setupLiveInstances(clusterName, new int[] {
        0, 1
    });

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

    // round1: controller sends O->S to both node0 and node1
    Thread.sleep(1000);

    Builder keyBuilder = accessor.keyBuilder();
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        n, // number of nodes
        3, // replicas
        "MasterSlave", true); // do rebalance

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

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

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

      if (i == 0) {
        participants[i] =
            new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
        participants[i].setTransition(new ErrTransition(errPartitions));
      } else {
        participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
      }
      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
    String hostName = "localhost_12918";
    String instanceUrl = getInstanceUrl(clusterName, hostName);

    Map<String, String> paramMap = new HashMap<String, String>();
    paramMap.put(JsonParameters.MANAGEMENT_COMMAND, ClusterSetup.resetPartition);
    paramMap.put(JsonParameters.PARTITION, "TestDB0_nonExist");
    paramMap.put(JsonParameters.RESOURCE, "TestDB0");
    LOG.info("IGNORABLE exception: test reset non-exist partition");
    TestHelixAdminScenariosRest.assertSuccessPostOperation(instanceUrl, paramMap, true);

    // reset 2 error partitions
    errPartitions.clear();
    participants[0].setTransition(new ErrTransitionWithResetCnt(errPartitions));
    clearStatusUpdate(clusterName, "localhost_12918", "TestDB0", "TestDB0_4");
    _errToOfflineInvoked.set(0);

    paramMap.put(JsonParameters.PARTITION, "TestDB0_4 TestDB0_8");
    TestHelixAdminScenariosRest.assertSuccessPostOperation(instanceUrl, paramMap, false);

    for (int i = 0; i < 10; i++) {
      Thread.sleep(400); // wait reset to be done
      LOG.info("IGNORABLE exception: test reset non-error partition");
      TestHelixAdminScenariosRest.assertSuccessPostOperation(instanceUrl, paramMap, true);

      result =
          ClusterStateVerifier
              .verifyByZkCallback(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                  clusterName));
      if (result == true) {
        break;
      }
    }

    Assert.assertTrue(result);
    Assert.assertEquals(_errToOfflineInvoked.get(), 2, "reset() should be invoked 2 times");

    // clean up
    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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    });
    setupLiveInstances(clusterName, new int[] {
        0, 1
    });

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

    // round1: controller sends O->S to both node0 and node1
    Thread.sleep(1000);

    Builder keyBuilder = accessor.keyBuilder();
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        "MasterSlave", true); // do rebalance

    // flapping time window to 5 sec
    System.setProperty("helixmanager.flappingTimeWindow", "5000");
    System.setProperty("helixmanager.maxDisconnectThreshold", "3");
    ClusterControllerManager manager2 = new ClusterControllerManager(ZK_ADDR, clusterName, null);
    manager2.connect();
    Thread.sleep(100);
    ZkClient zkClient = manager2.getZkClient();
    for (int i = 0; i < 2; i++) {
      ZkTestHelper.expireSession(zkClient);
      Thread.sleep(500);
      Assert.assertTrue(manager2.isConnected());
    }
    Thread.sleep(5000);
    // Old entries should be cleaned up
    for (int i = 0; i < 3; i++) {
      ZkTestHelper.expireSession(zkClient);
      Thread.sleep(500);
      Assert.assertTrue(manager2.isConnected());
    }
    ZkTestHelper.disconnectSession(zkClient);
    for (int i = 0; i < 20; i++) {
      Thread.sleep(500);
      if (!manager2.isConnected())
        break;
    }
    Assert.assertFalse(manager2.isConnected());
  }
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        32, // partitions per resource
        1, // number of nodes
        1, // replicas
        "MasterSlave", false);

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

    final ZkClient client = controller.getZkClient();
    final ZkStateCountListener listener = new ZkStateCountListener();
    client.subscribeStateChanges(listener);

    final AtomicInteger expectDisconnectCnt = new AtomicInteger(0);
    final int n = ZKHelixManager.MAX_DISCONNECT_THRESHOLD;
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      ZKHelixDataAccessor zkAccessor = (ZKHelixDataAccessor) accessor;
      Assert.assertTrue(zkAccessor._zkPropertyTransferSvcUrl == null
          || zkAccessor._zkPropertyTransferSvcUrl.equals(""));
    }

    _controller = new ClusterControllerManager(ZK_ADDR, CLUSTER_NAME, controllerName);
    _controller.syncStart();

    Thread.sleep(1000);

    // create controller again, the svc url is notified to the participants
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        builder.setTransition("OFFLINE", "DROPPED").setCommand(CommandAttribute.NOP.getName())
            .build();
    configAccessor.set(scope, cmdConfig.toKeyValueMap());

    // start controller
    ClusterControllerManager controller = new ClusterControllerManager(zkAddr, clusterName, "controller_0");
    controller.syncStart();

    // start helix-agent
    Map<String, Thread> agents = new HashMap<String, Thread>();
    for (int i = 0; i < n; i++) {
      final String instanceName = "localhost_" + (12918 + i);
      Thread agentThread = new Thread() {
        @Override
        public void run() {
          try {
            HelixAgentMain.main(new String[] {
                "--zkSvr", zkAddr, "--cluster", clusterName, "--instanceName", instanceName,
                "--stateModel", "MasterSlave"
            });
          } catch (Exception e) {
            LOG.error("Exception start helix-agent", e);
          }
        }
      };
      agents.put(instanceName, agentThread);
      agentThread.start();

      // wait participant thread to start
      Thread.sleep(100);
    }

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

    // read the pid file should get current process id
    // String readPid = SystemUtil.getPidFromFile(new File(pidFileFirstPartition));
    // Assert.assertNotNull(readPid, "readPid is the pid for foo_test.py. should NOT be null");

    // String name = ManagementFactory.getRuntimeMXBean().getName();
    // String currentPid = name.substring(0,name.indexOf("@"));

    // System.out.println("read-pid: " + readPid + ", current-pid: " + currentPid);

    // drop resource will trigger M->S and S->O transitions
    ClusterSetup.processCommandLineArgs(new String[] {
        "--zkSvr", ZK_ADDR, "--dropResource", clusterName, "TestDB0"
    });
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
            clusterName));
    Assert.assertTrue(result);

    // clean up
    controller.syncStop();
    for (Thread agentThread : agents.values()) {
      agentThread.interrupt();
    }
    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
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, "controller_0");
    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
    MockParticipantManager[] participants = new MockParticipantManager[n];
    for (int i = 0; i < n; i++) {
      String instanceName = "localhost_" + (12918 + i);

      if (i == 0) {
        participants[i] =
            new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
        participants[i].setTransition(new ErrTransition(errPartitions));
      } else {
        participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
      }
      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 resource "TestDB0"
    participants[0].setTransition(null);
    String resourceName = "TestDB0";
    String resourceUrl =
        "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/resourceGroups/"
            + resourceName;

    Map<String, String> paramMap = new HashMap<String, String>();
    paramMap.put(JsonParameters.MANAGEMENT_COMMAND, ClusterSetup.resetResource);
    TestHelixAdminScenariosRest.assertSuccessPostOperation(resourceUrl, paramMap, false);

    result =
        ClusterStateVerifier
            .verifyByZkCallback((new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                clusterName)));
    Assert.assertTrue(result, "Cluster verification fails");

    // clean up
    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.setReplicas(HelixConstants.StateModelToken.ANY_LIVEINSTANCE.toString());
    idealState.getRecord().setListField("TestSchemata0_0",
        Arrays.asList(HelixConstants.StateModelToken.ANY_LIVEINSTANCE.toString()));
    accessor.setProperty(key, idealState);

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

    // start n-1 participants
    for (int i = 1; i < n; i++) {
      String instanceName = "localhost_" + (12918 + i);

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

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

    // start the remaining 1 participant
    participants[0] = new MockParticipantManager(ZK_ADDR, clusterName, "localhost_12918");
    participants[0].syncStart();

    // make sure we have all participants in MASTER state
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
            clusterName));
    Assert.assertTrue(result);
    key = keyBuilder.externalView("TestSchemata0");
    ExternalView externalView = accessor.getProperty(key);
    Map<String, String> stateMap = externalView.getStateMap("TestSchemata0_0");
    Assert.assertNotNull(stateMap);
    Assert.assertEquals(stateMap.size(), n, "all " + n + " participants should be in Master state");
    for (int i = 0; i < n; i++) {
      String instanceName = "localhost_" + (12918 + i);
      Assert.assertNotNull(stateMap.get(instanceName));
      Assert.assertEquals(stateMap.get(instanceName), "MASTER");
    }

    // clean up
    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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