Examples with ClusterSetup org.apache.helix.tools.ClusterSetup used on opensource projects

Example 26 with ClusterSetup

use of org.apache.helix.tools.ClusterSetup in project helix by apache.

the class TestReelectedPipelineCorrectness method testReelection.

@Test
public void testReelection() throws Exception {
    final int NUM_CONTROLLERS = 2;
    final int NUM_PARTICIPANTS = 4;
    final int NUM_PARTITIONS = 8;
    final int NUM_REPLICAS = 2;
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterName = className + "_" + methodName;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    ClusterSetup setupTool = new ClusterSetup(ZK_ADDR);
    // Set up cluster
    // participant port
    TestHelper.setupCluster(// participant port
    clusterName, // participant port
    ZK_ADDR, // participant port
    12918, // participant name prefix
    "localhost", // resource name prefix
    "TestDB", // resources
    1, // partitions per resource
    NUM_PARTITIONS, // number of nodes
    NUM_PARTICIPANTS, // replicas
    NUM_REPLICAS, "MasterSlave", RebalanceMode.FULL_AUTO, // do rebalance
    true);
    // configure distributed controllers
    String controllerCluster = clusterName + "_controllers";
    setupTool.addCluster(controllerCluster, true);
    for (int i = 0; i < NUM_CONTROLLERS; i++) {
        setupTool.addInstanceToCluster(controllerCluster, "controller_" + i);
    }
    setupTool.activateCluster(clusterName, controllerCluster, true);
    // start participants
    MockParticipantManager[] participants = new MockParticipantManager[NUM_PARTICIPANTS];
    for (int i = 0; i < NUM_PARTICIPANTS; i++) {
        final String instanceName = "localhost_" + (12918 + i);
        participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
        participants[i].syncStart();
    }
    // start controllers
    ClusterDistributedController[] controllers = new ClusterDistributedController[NUM_CONTROLLERS];
    for (int i = 0; i < NUM_CONTROLLERS; i++) {
        controllers[i] = new ClusterDistributedController(ZK_ADDR, controllerCluster, "controller_" + i);
        controllers[i].syncStart();
    }
    Thread.sleep(1000);
    // Ensure a balanced cluster
    boolean result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(result);
    // Disable the leader, resulting in a leader election
    HelixDataAccessor accessor = participants[0].getHelixDataAccessor();
    LiveInstance leader = accessor.getProperty(accessor.keyBuilder().controllerLeader());
    int totalWait = 0;
    while (leader == null && totalWait < CHECK_TIMEOUT) {
        Thread.sleep(CHECK_INTERVAL);
        totalWait += CHECK_INTERVAL;
        leader = accessor.getProperty(accessor.keyBuilder().controllerLeader());
    }
    if (totalWait >= CHECK_TIMEOUT) {
        Assert.fail("No leader was ever elected!");
    }
    String leaderId = leader.getId();
    String standbyId = (leaderId.equals("controller_0")) ? "controller_1" : "controller_0";
    HelixAdmin admin = setupTool.getClusterManagementTool();
    admin.enableInstance(controllerCluster, leaderId, false);
    // Stop a participant to make sure that the leader election worked
    Thread.sleep(500);
    participants[0].syncStop();
    Thread.sleep(500);
    result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(result);
    // Disable the original standby (leaving 0 active controllers) and kill another participant
    admin.enableInstance(controllerCluster, standbyId, false);
    Thread.sleep(500);
    participants[1].syncStop();
    // Also change the ideal state
    IdealState idealState = admin.getResourceIdealState(clusterName, "TestDB0");
    idealState.setMaxPartitionsPerInstance(1);
    admin.setResourceIdealState(clusterName, "TestDB0", idealState);
    Thread.sleep(500);
    // Also disable an instance in the main cluster
    admin.enableInstance(clusterName, "localhost_12920", false);
    // Re-enable the original leader
    admin.enableInstance(controllerCluster, leaderId, true);
    // Now check that both the ideal state and the live instances are adhered to by the rebalance
    Thread.sleep(500);
    result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(result);
    // cleanup
    for (int i = 0; i < NUM_CONTROLLERS; i++) {
        controllers[i].syncStop();
    }
    for (int i = 2; i < NUM_PARTICIPANTS; i++) {
        participants[i].syncStop();
    }
    System.out.println("STOP " + clusterName + " at " + new Date(System.currentTimeMillis()));
}

Example 27 with ClusterSetup

use of org.apache.helix.tools.ClusterSetup in project helix by apache.

the class TestPartitionMovementThrottle method beforeClass.

@Override
@BeforeClass
public void beforeClass() throws Exception {
    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(_gZkClient);
    // 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);
    }
    // add dummy participants
    for (int i = 0; i < NODE_NR; i++) {
        String instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + i);
        MockParticipantManager participant = new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, instanceName);
        participant.setTransition(new DelayedTransition());
        _participants[i] = participant;
    }
    _configAccessor = new ConfigAccessor(_gZkClient);
    // start controller
    String controllerName = CONTROLLER_PREFIX + "_0";
    _controller = new ClusterControllerManager(ZK_ADDR, CLUSTER_NAME, controllerName);
    _controller.syncStart();
    setupThrottleConfig();
}

Example 28 with ClusterSetup

use of org.apache.helix.tools.ClusterSetup in project helix by apache.

the class TestPauseSignal method testPauseSignal.

@Test()
public void testPauseSignal() throws Exception {
    // Logger.getRootLogger().setLevel(Level.INFO);
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    final String clusterName = className + "_" + methodName;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    MockParticipantManager[] participants = new MockParticipantManager[5];
    // participant port
    TestHelper.setupCluster(// participant port
    clusterName, // participant port
    ZK_ADDR, // participant port
    12918, // participant name prefix
    "localhost", // resource name prefix
    "TestDB", // resources
    1, // partitions per resource
    10, // number of nodes
    5, // replicas
    3, "MasterSlave", // do rebalance
    true);
    // start controller
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, "controller_0");
    controller.syncStart();
    // start participants
    for (int i = 0; i < 5; 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);
    // pause the cluster and make sure pause is persistent
    ZkClient zkClient = new ZkClient(ZK_ADDR);
    zkClient.setZkSerializer(new ZNRecordSerializer());
    final HelixDataAccessor tmpAccessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));
    String cmd = "-zkSvr " + ZK_ADDR + " -enableCluster " + clusterName + " false";
    ClusterSetup.processCommandLineArgs(cmd.split(" "));
    tmpAccessor.setProperty(tmpAccessor.keyBuilder().pause(), new PauseSignal("pause"));
    zkClient.close();
    // wait for controller to be signaled by pause
    Thread.sleep(1000);
    // add a new resource group
    ClusterSetup setupTool = new ClusterSetup(ZK_ADDR);
    setupTool.addResourceToCluster(clusterName, "TestDB1", 10, "MasterSlave");
    setupTool.rebalanceStorageCluster(clusterName, "TestDB1", 3);
    // make sure TestDB1 external view is empty
    TestHelper.verifyWithTimeout("verifyEmptyCurStateAndExtView", 1000, clusterName, "TestDB1", TestHelper.<String>setOf("localhost_12918", "localhost_12919", "localhost_12920", "localhost_12921", "localhost_12922"), ZK_ADDR);
    // resume controller
    final HelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    cmd = "-zkSvr " + ZK_ADDR + " -enableCluster " + clusterName + " true";
    ClusterSetup.processCommandLineArgs(cmd.split(" "));
    result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(result);
    // clean up
    controller.syncStop();
    for (int i = 0; i < 5; i++) {
        participants[i].syncStop();
    }
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}

Example 29 with ClusterSetup

use of org.apache.helix.tools.ClusterSetup in project helix by apache.

the class TestStateTransitionCancellation method beforeClass.

@BeforeClass
public void beforeClass() throws Exception {
    _participants = new MockParticipantManager[_numNodes];
    _numDbs = 1;
    _numParitions = 20;
    _numNodes = 2;
    _numReplicas = 2;
    String namespace = "/" + CLUSTER_NAME;
    if (_gZkClient.exists(namespace)) {
        _gZkClient.deleteRecursively(namespace);
    }
    _setupTool = new ClusterSetup(ZK_ADDR);
    _setupTool.addCluster(CLUSTER_NAME, true);
    setupParticipants();
    setupDBs();
    registerParticipants(_participants, _numNodes, _startPort, 0, -3000000L);
    // start controller
    String controllerName = CONTROLLER_PREFIX + "_0";
    _controller = new ClusterControllerManager(ZK_ADDR, CLUSTER_NAME, controllerName);
    _controller.syncStart();
    createManagers();
    _configAccessor = new ConfigAccessor(_gZkClient);
}

Example 30 with ClusterSetup

use of org.apache.helix.tools.ClusterSetup in project helix by apache.

the class TestAddStateModelFactoryAfterConnect method testBasic.

@Test
public void testBasic() throws Exception {
    // Logger.getRootLogger().setLevel(Level.INFO);
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterName = className + "_" + methodName;
    final int n = 5;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    MockParticipantManager[] participants = new MockParticipantManager[n];
    // participant port
    TestHelper.setupCluster(// participant port
    clusterName, // participant port
    ZK_ADDR, // participant port
    12918, // participant name prefix
    "localhost", // resource name prefix
    "TestDB", // resources
    1, // partitions per resource
    10, // number of nodes
    n, // replicas
    3, "MasterSlave", // do rebalance
    true);
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, "controller_0");
    controller.syncStart();
    // start participants
    for (int i = 0; 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);
    // 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 (// partition# x replicas
        totalMsgs == 48)
            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);
    // Logger.getRootLogger().setLevel(Level.INFO);
    for (int i = 0; i < n; i++) {
        participants[i].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
    controller.syncStop();
    for (int i = 0; i < 5; i++) {
        participants[i].syncStop();
    }
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}