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

Example 31 with BestPossAndExtViewZkVerifier

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

the class TestControllerManager method simpleSessionExpiryTest.

@Test
public void simpleSessionExpiryTest() throws Exception {
    // Logger.getRootLogger().setLevel(Level.WARN);
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    final String clusterName = className + "_" + methodName;
    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
    16, // number of nodes
    n, // replicas
    3, "MasterSlave", // do rebalance
    true);
    // start controller
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, "controller");
    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);
    String oldSessionId = controller.getSessionId();
    // expire zk-connection on localhost_12918
    ZkTestHelper.expireSession(controller.getZkClient());
    // wait until session expiry callback happens
    TimeUnit.MILLISECONDS.sleep(100);
    result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(result);
    String newSessionId = controller.getSessionId();
    Assert.assertNotSame(newSessionId, oldSessionId);
    // cleanup
    controller.syncStop();
    for (int i = 0; i < n; i++) {
        participants[i].syncStop();
    }
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}

Example 32 with BestPossAndExtViewZkVerifier

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

the class TestDistributedControllerManager method simpleSessionExpiryTest.

@Test
public void simpleSessionExpiryTest() throws Exception {
    // Logger.getRootLogger().setLevel(Level.INFO);
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterName = className + "_" + methodName;
    int n = 2;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    // 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
    4, // number of nodes
    n, // replicas
    2, "MasterSlave", // do rebalance
    true);
    ClusterDistributedController[] distributedControllers = new ClusterDistributedController[n];
    for (int i = 0; i < n; i++) {
        String contrllerName = "localhost_" + (12918 + i);
        distributedControllers[i] = new ClusterDistributedController(ZK_ADDR, clusterName, contrllerName);
        distributedControllers[i].getStateMachineEngine().registerStateModelFactory("MasterSlave", 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]);
    // expire localhost_12919
    expireController(distributedControllers[1], distributedControllers[0]);
    // clean up
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    PropertyKey.Builder keyBuilder = accessor.keyBuilder();
    for (int i = 0; i < n; i++) {
        distributedControllers[i].disconnect();
        Assert.assertNull(accessor.getProperty(keyBuilder.liveInstance(distributedControllers[i].getInstanceName())));
    }
    Assert.assertNull(accessor.getProperty(keyBuilder.controllerLeader()));
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}

Example 33 with BestPossAndExtViewZkVerifier

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

the class TestAutoIsWithEmptyMap method testAutoIsWithEmptyMap.

@Test
public void testAutoIsWithEmptyMap() throws Exception {
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterName = className + "_" + methodName;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    // 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, "LeaderStandby", // do not rebalance
    false);
    // calculate and set custom ideal state
    String idealPath = PropertyPathBuilder.idealState(clusterName, "TestDB0");
    ZNRecord curIdealState = _gZkClient.readData(idealPath);
    List<String> instanceNames = new ArrayList<String>(5);
    for (int i = 0; i < 5; i++) {
        int port = 12918 + i;
        instanceNames.add("localhost_" + port);
    }
    ZNRecord idealState = DefaultIdealStateCalculator.calculateIdealState(instanceNames, 10, 2, "TestDB0", "LEADER", "STANDBY");
    // System.out.println(idealState);
    // curIdealState.setSimpleField(IdealState.IdealStateProperty.IDEAL_STATE_MODE.toString(),
    // "CUSTOMIZED");
    curIdealState.setSimpleField(IdealState.IdealStateProperty.REPLICAS.toString(), "3");
    curIdealState.setListFields(idealState.getListFields());
    _gZkClient.writeData(idealPath, curIdealState);
    // start controller
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, "controller_0");
    controller.syncStart();
    // start participants
    MockParticipantManager[] participants = new MockParticipantManager[5];
    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);
    // 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 34 with BestPossAndExtViewZkVerifier

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

the class TestParticipantManager method simpleIntegrationTest.

@Test
public void simpleIntegrationTest() throws Exception {
    // Logger.getRootLogger().setLevel(Level.INFO);
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterName = className + "_" + methodName;
    int n = 1;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    // 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
    4, // number of nodes
    n, // replicas
    1, "MasterSlave", // do rebalance
    true);
    HelixManager participant = new ZKHelixManager(clusterName, "localhost_12918", InstanceType.PARTICIPANT, ZK_ADDR);
    participant.getStateMachineEngine().registerStateModelFactory("MasterSlave", new MockMSModelFactory());
    participant.connect();
    HelixManager controller = new ZKHelixManager(clusterName, "controller_0", InstanceType.CONTROLLER, ZK_ADDR);
    controller.connect();
    boolean result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(result);
    // cleanup
    controller.disconnect();
    participant.disconnect();
    // verify all live-instances and leader nodes are gone
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    PropertyKey.Builder keyBuilder = accessor.keyBuilder();
    Assert.assertNull(accessor.getProperty(keyBuilder.liveInstance("localhost_12918")));
    Assert.assertNull(accessor.getProperty(keyBuilder.controllerLeader()));
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}

Example 35 with BestPossAndExtViewZkVerifier

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

the class TestParticipantManager method simpleSessionExpiryTest.

@Test
public void simpleSessionExpiryTest() throws Exception {
    // Logger.getRootLogger().setLevel(Level.WARN);
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    final String clusterName = className + "_" + methodName;
    int n = 1;
    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
    1, // number of nodes
    n, // replicas
    1, "MasterSlave", // do rebalance
    true);
    // start controller
    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);
    String oldSessionId = participants[0].getSessionId();
    // expire zk-connection on localhost_12918
    ZkTestHelper.expireSession(participants[0].getZkClient());
    // wait until session expiry callback happens
    TimeUnit.MILLISECONDS.sleep(100);
    result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(result);
    String newSessionId = participants[0].getSessionId();
    Assert.assertNotSame(newSessionId, oldSessionId);
    // cleanup
    controller.syncStop();
    for (int i = 0; i < n; i++) {
        participants[i].syncStop();
    }
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}