Examples with MockParticipantManager org.apache.helix.integration.manager.MockParticipantManager used on opensource projects

Example 26 with MockParticipantManager

use of org.apache.helix.integration.manager.MockParticipantManager in project helix by apache.

the class TestDistributedCMMain method testDistributedCMMain.

@Test
public void testDistributedCMMain() throws Exception {
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterNamePrefix = className + "_" + methodName;
    final int n = 5;
    final int clusterNb = 10;
    System.out.println("START " + clusterNamePrefix + " at " + new Date(System.currentTimeMillis()));
    // setup 10 clusters
    for (int i = 0; i < clusterNb; i++) {
        String clusterName = clusterNamePrefix + "0_" + i;
        String participantName = "localhost" + i;
        String resourceName = "TestDB" + i;
        // participant port
        TestHelper.setupCluster(// participant port
        clusterName, // participant port
        ZK_ADDR, // participant port
        12918, // participant name prefix
        participantName, // resource name prefix
        resourceName, // resources
        1, // partitions per resource
        8, // number of nodes
        n, // replicas
        3, "MasterSlave", // do rebalance
        true);
    }
    // setup controller cluster
    final String controllerClusterName = "CONTROLLER_" + clusterNamePrefix;
    // controller
    TestHelper.setupCluster(// controller
    "CONTROLLER_" + clusterNamePrefix, // controller
    ZK_ADDR, // controller
    0, // participant name prefix
    "controller", // resource name prefix
    clusterNamePrefix, // resources
    1, // partitions per resource
    clusterNb, // number of nodes
    n, // replicas
    3, "LeaderStandby", // do rebalance
    true);
    // start distributed cluster controllers
    ClusterDistributedController[] controllers = new ClusterDistributedController[n + n];
    for (int i = 0; i < n; i++) {
        controllers[i] = new ClusterDistributedController(ZK_ADDR, controllerClusterName, "controller_" + i);
        controllers[i].syncStart();
    }
    boolean result = ClusterStateVerifier.verifyByZkCallback(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, controllerClusterName), 30000);
    Assert.assertTrue(result, "Controller cluster NOT in ideal state");
    // start first cluster
    MockParticipantManager[] participants = new MockParticipantManager[n];
    final String firstClusterName = clusterNamePrefix + "0_0";
    for (int i = 0; i < n; i++) {
        String instanceName = "localhost0_" + (12918 + i);
        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
    // wait for all zk callbacks done
    System.out.println("Cleaning up...");
    for (int i = 0; i < 5; i++) {
        result = ClusterStateVerifier.verifyByZkCallback(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, controllerClusterName));
        controllers[i].syncStop();
    }
    for (int i = 0; i < 5; i++) {
        participants[i].syncStop();
    }
    System.out.println("END " + clusterNamePrefix + " at " + new Date(System.currentTimeMillis()));
}

Example 27 with MockParticipantManager

use of org.apache.helix.integration.manager.MockParticipantManager in project helix by apache.

the class TestDistributedClusterController method testDistributedClusterController.

@Test
public void testDistributedClusterController() throws Exception {
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterNamePrefix = className + "_" + methodName;
    final int n = 5;
    final int clusterNb = 10;
    System.out.println("START " + clusterNamePrefix + " at " + new Date(System.currentTimeMillis()));
    // setup 10 clusters
    for (int i = 0; i < clusterNb; i++) {
        String clusterName = clusterNamePrefix + "0_" + i;
        String participantName = "localhost" + i;
        String resourceName = "TestDB" + i;
        // participant port
        TestHelper.setupCluster(// participant port
        clusterName, // participant port
        ZK_ADDR, // participant port
        12918, // participant name prefix
        participantName, // resource name prefix
        resourceName, // resources
        1, // partitions per resource
        8, // number of nodes
        n, // replicas
        3, "MasterSlave", // do rebalance
        true);
    }
    // setup controller cluster
    final String controllerClusterName = "CONTROLLER_" + clusterNamePrefix;
    // controller
    TestHelper.setupCluster(// controller
    "CONTROLLER_" + clusterNamePrefix, // controller
    ZK_ADDR, // controller
    0, // participant name prefix
    "controller", // resource name prefix
    clusterNamePrefix, // resources
    1, // partitions per resource
    clusterNb, // number of nodes
    n, // replicas
    3, "LeaderStandby", // do rebalance
    true);
    // start distributed cluster controllers
    ClusterDistributedController[] controllers = new ClusterDistributedController[n];
    for (int i = 0; i < n; i++) {
        controllers[i] = new ClusterDistributedController(ZK_ADDR, controllerClusterName, "controller_" + i);
        controllers[i].syncStart();
    }
    boolean result = ClusterStateVerifier.verifyByZkCallback(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, controllerClusterName), 30000);
    Assert.assertTrue(result, "Controller cluster NOT in ideal state");
    // start first cluster
    MockParticipantManager[] participants = new MockParticipantManager[n];
    final String firstClusterName = clusterNamePrefix + "0_0";
    for (int i = 0; i < n; i++) {
        String instanceName = "localhost0_" + (12918 + i);
        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");
    // stop current leader in controller cluster
    ZkBaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(controllerClusterName, baseAccessor);
    Builder keyBuilder = accessor.keyBuilder();
    LiveInstance leader = accessor.getProperty(keyBuilder.controllerLeader());
    String leaderName = leader.getId();
    int j = Integer.parseInt(leaderName.substring(leaderName.lastIndexOf('_') + 1));
    controllers[j].syncStop();
    // setup the second cluster
    MockParticipantManager[] participants2 = new MockParticipantManager[n];
    final String secondClusterName = clusterNamePrefix + "0_1";
    for (int i = 0; i < n; i++) {
        String instanceName = "localhost1_" + (12918 + i);
        participants2[i] = new MockParticipantManager(ZK_ADDR, secondClusterName, instanceName);
        participants2[i].syncStart();
    }
    result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, secondClusterName));
    Assert.assertTrue(result, "second cluster NOT in ideal state");
    // clean up
    // wait for all zk callbacks done
    System.out.println("Cleaning up...");
    for (int i = 0; i < 5; i++) {
        result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, controllerClusterName));
        controllers[i].syncStop();
    }
    for (int i = 0; i < 5; i++) {
        participants[i].syncStop();
    }
    System.out.println("END " + clusterNamePrefix + " at " + new Date(System.currentTimeMillis()));
}

Example 28 with MockParticipantManager

use of org.apache.helix.integration.manager.MockParticipantManager in project helix by apache.

the class TestDriver method stopDummyParticipant.

public static void stopDummyParticipant(String uniqClusterName, long beginTime, int instanceId) throws Exception {
    if (!_testInfoMap.containsKey(uniqClusterName)) {
        String errMsg = "test cluster hasn't been setup:" + uniqClusterName;
        throw new Exception(errMsg);
    }
    TestInfo testInfo = _testInfoMap.get(uniqClusterName);
    String failHost = PARTICIPANT_PREFIX + "_" + (START_PORT + instanceId);
    MockParticipantManager participant = (MockParticipantManager) testInfo._managers.remove(failHost);
    // TODO need sync
    if (participant == null) {
        String errMsg = "Dummy participant:" + failHost + " seems not running";
        LOG.error(errMsg);
    } else {
        // System.err.println("try to stop participant: " +
        // result._manager.getInstanceName());
        // NodeOpArg arg = new NodeOpArg(result._manager, result._thread);
        // TestCommand command = new TestCommand(CommandType.STOP, new TestTrigger(beginTime), arg);
        // List<TestCommand> commandList = new ArrayList<TestCommand>();
        // commandList.add(command);
        // TestExecutor.executeTestAsync(commandList, ZK_ADDR);
        participant.syncStop();
    }
}

Example 29 with MockParticipantManager

use of org.apache.helix.integration.manager.MockParticipantManager in project helix by apache.

the class TestDriver method stopCluster.

public static void stopCluster(String uniqClusterName) throws Exception {
    if (!_testInfoMap.containsKey(uniqClusterName)) {
        String errMsg = "test cluster hasn't been setup:" + uniqClusterName;
        throw new IllegalArgumentException(errMsg);
    }
    TestInfo testInfo = _testInfoMap.remove(uniqClusterName);
    // stop controller first
    for (String instanceName : testInfo._managers.keySet()) {
        if (instanceName.startsWith(CONTROLLER_PREFIX)) {
            ClusterControllerManager controller = (ClusterControllerManager) testInfo._managers.get(instanceName);
            controller.syncStop();
        }
    }
    Thread.sleep(1000);
    for (String instanceName : testInfo._managers.keySet()) {
        if (!instanceName.startsWith(CONTROLLER_PREFIX)) {
            MockParticipantManager participant = (MockParticipantManager) testInfo._managers.get(instanceName);
            participant.syncStop();
        }
    }
    testInfo._zkClient.close();
}

Example 30 with MockParticipantManager

use of org.apache.helix.integration.manager.MockParticipantManager in project helix by apache.

the class TestRebalancerPersistAssignments method beforeClass.

@Override
@BeforeClass
public void beforeClass() throws Exception {
    // Logger.getRootLogger().setLevel(Level.INFO);
    System.out.println("START " + CLASS_NAME + " at " + new Date(System.currentTimeMillis()));
    String namespace = "/" + CLUSTER_NAME;
    if (_gZkClient.exists(namespace)) {
        _gZkClient.deleteRecursively(namespace);
    }
    _setupTool = new ClusterSetup(ZK_ADDR);
    // setup storage cluster
    _setupTool.addCluster(CLUSTER_NAME, true);
    for (int i = 0; i < NODE_NR; i++) {
        String storageNodeName = PARTICIPANT_PREFIX + "_" + (START_PORT + i);
        _setupTool.addInstanceToCluster(CLUSTER_NAME, storageNodeName);
    }
    // start controller
    String controllerName = CONTROLLER_PREFIX + "_0";
    _controller = new ClusterControllerManager(ZK_ADDR, CLUSTER_NAME, controllerName);
    _controller.syncStart();
    // start dummy participants
    for (int i = 0; i < NODE_NR; i++) {
        String instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + i);
        _instanceNames.add(instanceName);
        _participants[i] = new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, instanceName);
        _participants[i].syncStart();
    }
}