Examples with MasterNbInExtViewVerifier org.apache.helix.tools.ClusterStateVerifier.MasterNbInExtViewVerifier used on opensource projects

Example 11 with MasterNbInExtViewVerifier

use of org.apache.helix.tools.ClusterStateVerifier.MasterNbInExtViewVerifier in project helix by apache.

the class ZkStandAloneCMTestBase method beforeClass.

@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);
    _setupTool.addResourceToCluster(CLUSTER_NAME, TEST_DB, _PARTITIONS, STATE_MODEL);
    for (int i = 0; i < NODE_NR; i++) {
        String storageNodeName = PARTICIPANT_PREFIX + "_" + (START_PORT + i);
        _setupTool.addInstanceToCluster(CLUSTER_NAME, storageNodeName);
    }
    _setupTool.rebalanceStorageCluster(CLUSTER_NAME, TEST_DB, _replica);
    // start dummy participants
    for (int i = 0; i < NODE_NR; i++) {
        String instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + i);
        _participants[i] = new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, instanceName);
        _participants[i].syncStart();
    }
    // start controller
    String controllerName = CONTROLLER_PREFIX + "_0";
    _controller = new ClusterControllerManager(ZK_ADDR, CLUSTER_NAME, controllerName);
    _controller.syncStart();
    boolean result = ClusterStateVerifier.verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR, CLUSTER_NAME));
    Assert.assertTrue(result);
    result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, CLUSTER_NAME));
    Assert.assertTrue(result);
    // create cluster manager
    _manager = HelixManagerFactory.getZKHelixManager(CLUSTER_NAME, "Admin", InstanceType.ADMINISTRATOR, ZK_ADDR);
    _manager.connect();
}

Example 12 with MasterNbInExtViewVerifier

use of org.apache.helix.tools.ClusterStateVerifier.MasterNbInExtViewVerifier in project helix by apache.

the class TestExternalViewUpdates method testExternalViewUpdates.

@Test
public void testExternalViewUpdates() throws Exception {
    System.out.println("START testExternalViewUpdates at " + new Date(System.currentTimeMillis()));
    String clusterName = getShortClassName();
    MockParticipantManager[] participants = new MockParticipantManager[5];
    int resourceNb = 10;
    // participant port
    TestHelper.setupCluster(// participant port
    clusterName, // participant port
    ZK_ADDR, // participant port
    12918, // participant name prefix
    "localhost", // resource name prefix
    "TestDB", // resources
    resourceNb, // partitions per resource
    1, // number of nodes
    5, // replicas
    1, "MasterSlave", // do rebalance
    true);
    // 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();
    }
    // start controller after participants to trigger rebalance immediate after the controller is ready
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, "controller_0");
    controller.syncStart();
    boolean result = ClusterStateVerifier.verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(result);
    result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(result);
    // need to verify that each ExternalView's version number is 2
    Builder keyBuilder = new Builder(clusterName);
    ZkBaseDataAccessor<ZNRecord> accessor = new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    String parentPath = keyBuilder.externalViews().getPath();
    List<String> childNames = accessor.getChildNames(parentPath, 0);
    List<String> paths = new ArrayList<String>();
    for (String name : childNames) {
        paths.add(parentPath + "/" + name);
    }
    // Stat[] stats = accessor.getStats(paths);
    for (String path : paths) {
        Stat stat = accessor.getStat(path, 0);
        Assert.assertTrue(stat.getVersion() <= 2, "ExternalView should be updated at most 2 times");
    }
    // clean up
    controller.syncStop();
    for (int i = 0; i < 5; i++) {
        participants[i].syncStop();
    }
    System.out.println("END testExternalViewUpdates at " + new Date(System.currentTimeMillis()));
}

Example 13 with MasterNbInExtViewVerifier

use of org.apache.helix.tools.ClusterStateVerifier.MasterNbInExtViewVerifier in project helix by apache.

the class TestBucketizedResource method testBucketizedResource.

@Test()
public void testBucketizedResource() {
    // Logger.getRootLogger().setLevel(Level.INFO);
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterName = className + "_" + methodName;
    List<String> instanceNames = Arrays.asList("localhost_12918", "localhost_12919", "localhost_12920", "localhost_12921", "localhost_12922");
    int n = instanceNames.size();
    String dbName = "TestDB0";
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    MockParticipantManager[] participants = new MockParticipantManager[5];
    setupCluster(clusterName, instanceNames, dbName, 3, 10, 1);
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, _baseAccessor);
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName);
    controller.syncStart();
    // start participants
    for (int i = 0; i < n; i++) {
        participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceNames.get(i));
        participants[i].syncStart();
    }
    PropertyKey evKey = accessor.keyBuilder().externalView(dbName);
    boolean result = ClusterStateVerifier.verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(result);
    HelixClusterVerifier _clusterVerifier = new BestPossibleExternalViewVerifier.Builder(clusterName).setZkAddr(ZK_ADDR).build();
    Assert.assertTrue(_clusterVerifier.verify());
    ExternalView ev = accessor.getProperty(evKey);
    int v1 = ev.getRecord().getVersion();
    // disable the participant
    _gSetupTool.getClusterManagementTool().enableInstance(clusterName, participants[0].getInstanceName(), false);
    // wait for change in EV
    Assert.assertTrue(_clusterVerifier.verify());
    // read the version in EV
    ev = accessor.getProperty(evKey);
    int v2 = ev.getRecord().getVersion();
    Assert.assertEquals(v2 > v1, true);
    // clean up
    controller.syncStop();
    for (int i = 0; i < n; i++) {
        participants[i].syncStop();
    }
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}

Example 14 with MasterNbInExtViewVerifier

use of org.apache.helix.tools.ClusterStateVerifier.MasterNbInExtViewVerifier in project helix by apache.

the class TestHelixAdminCli method testExpandCluster.

@Test
public void testExpandCluster() throws Exception {
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterName = className + "_" + methodName;
    String grandClusterName = clusterName + "_grand";
    final int n = 6;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    MockParticipantManager[] participants = new MockParticipantManager[n];
    ClusterDistributedController[] controllers = new ClusterDistributedController[2];
    setupCluster(clusterName, grandClusterName, n, participants, controllers);
    String command = "-zkSvr " + ZK_ADDR + " -activateCluster " + clusterName + " " + grandClusterName + " true";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    Thread.sleep(500);
    command = "-zkSvr " + ZK_ADDR + " -addNode " + clusterName + " localhost:12331;localhost:12341;localhost:12351;localhost:12361";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    command = "-zkSvr localhost:2183 -expandCluster " + clusterName;
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    MockParticipantManager[] newParticipants = new MockParticipantManager[4];
    for (int i = 3; i <= 6; i++) {
        String instanceName = "localhost_123" + i + "1";
        newParticipants[i - 3] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
        newParticipants[i - 3].syncStart();
    }
    boolean verifyResult = ClusterStateVerifier.verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(verifyResult);
    verifyResult = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(verifyResult);
    // clean up
    for (int i = 0; i < controllers.length; i++) {
        controllers[i].syncStop();
    }
    for (int i = 0; i < participants.length; i++) {
        participants[i].syncStop();
    }
    for (int i = 0; i < newParticipants.length; i++) {
        newParticipants[i].syncStop();
    }
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}