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

Example 56 with ClusterControllerManager

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

the class TestFullAutoNodeTagging method testUntag.

@Test
public void testUntag() throws Exception {
    final int NUM_PARTICIPANTS = 2;
    final int NUM_PARTITIONS = 4;
    final int NUM_REPLICAS = 1;
    final String RESOURCE_NAME = "TestResource0";
    final String TAG = "ASSIGNABLE";
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    final String clusterName = className + "_" + methodName;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    // Set up cluster
    // participant port
    TestHelper.setupCluster(// participant port
    clusterName, // participant port
    ZK_ADDR, // participant port
    12918, // participant name prefix
    "localhost", // resource name prefix
    "TestResource", // resources
    1, // partitions per resource
    NUM_PARTITIONS, // number of nodes
    NUM_PARTICIPANTS, // replicas
    NUM_REPLICAS, // use FULL_AUTO mode to test node tagging
    "OnlineOffline", // use FULL_AUTO mode to test node tagging
    RebalanceMode.FULL_AUTO, // do rebalance
    true);
    // Tag the resource
    final HelixAdmin helixAdmin = new ZKHelixAdmin(_gZkClient);
    IdealState idealState = helixAdmin.getResourceIdealState(clusterName, RESOURCE_NAME);
    idealState.setInstanceGroupTag(TAG);
    helixAdmin.setResourceIdealState(clusterName, RESOURCE_NAME, idealState);
    // Get a data accessor
    final HelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    final PropertyKey.Builder keyBuilder = accessor.keyBuilder();
    // Tag the participants
    for (int i = 0; i < NUM_PARTICIPANTS; i++) {
        final String instanceName = "localhost_" + (12918 + i);
        helixAdmin.addInstanceTag(clusterName, instanceName, TAG);
    }
    // Start controller
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, "controller");
    controller.syncStart();
    // 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();
    }
    // Verify that there are NUM_PARTITIONS partitions in the external view, each having
    // NUM_REPLICAS replicas, where all assigned replicas are to tagged nodes, and they are all
    // ONLINE.
    Verifier v = new Verifier() {

        @Override
        public boolean verify() throws Exception {
            ExternalView externalView = pollForProperty(ExternalView.class, accessor, keyBuilder.externalView(RESOURCE_NAME), true);
            if (externalView == null) {
                return false;
            }
            Set<String> taggedInstances = Sets.newHashSet(helixAdmin.getInstancesInClusterWithTag(clusterName, TAG));
            Set<String> partitionSet = externalView.getPartitionSet();
            if (partitionSet.size() != NUM_PARTITIONS) {
                return false;
            }
            for (String partitionName : partitionSet) {
                Map<String, String> stateMap = externalView.getStateMap(partitionName);
                if (stateMap.size() != NUM_REPLICAS) {
                    return false;
                }
                for (String participantName : stateMap.keySet()) {
                    if (!taggedInstances.contains(participantName)) {
                        return false;
                    }
                    String state = stateMap.get(participantName);
                    if (!state.equalsIgnoreCase("ONLINE")) {
                        return false;
                    }
                }
            }
            return true;
        }
    };
    // Run the verifier for both nodes tagged
    boolean initialResult = TestHelper.verify(v, 10 * 1000);
    Assert.assertTrue(initialResult);
    // Untag a node
    helixAdmin.removeInstanceTag(clusterName, "localhost_12918", TAG);
    // Verify again
    boolean finalResult = TestHelper.verify(v, 10 * 1000);
    Assert.assertTrue(finalResult);
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}

Example 57 with ClusterControllerManager

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

the class TestFullAutoNodeTagging method testResourceTaggedFirst.

/**
 * Ensure that no assignments happen when there are no tagged nodes, but the resource is tagged
 */
@Test
public void testResourceTaggedFirst() throws Exception {
    final int NUM_PARTICIPANTS = 10;
    final int NUM_PARTITIONS = 4;
    final int NUM_REPLICAS = 2;
    final String RESOURCE_NAME = "TestDB0";
    final String TAG = "ASSIGNABLE";
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterName = className + "_" + methodName;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    // 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, // use FULL_AUTO mode to test node tagging
    "MasterSlave", // use FULL_AUTO mode to test node tagging
    RebalanceMode.FULL_AUTO, // do rebalance
    true);
    // tag the resource
    HelixAdmin helixAdmin = new ZKHelixAdmin(ZK_ADDR);
    IdealState idealState = helixAdmin.getResourceIdealState(clusterName, RESOURCE_NAME);
    idealState.setInstanceGroupTag(TAG);
    helixAdmin.setResourceIdealState(clusterName, RESOURCE_NAME, idealState);
    // start controller
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, "controller");
    controller.syncStart();
    // 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();
    }
    Thread.sleep(1000);
    boolean result = ClusterStateVerifier.verifyByZkCallback(new EmptyZkVerifier(clusterName, RESOURCE_NAME));
    Assert.assertTrue(result, "External view and current state must be empty");
    // cleanup
    for (int i = 0; i < NUM_PARTICIPANTS; i++) {
        participants[i].syncStop();
    }
    controller.syncStop();
}

Example 58 with ClusterControllerManager

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

the class TestFullAutoNodeTagging method testSafeAssignment.

/**
 * Basic test for tagging behavior. 10 participants, of which 4 are tagged. Launch all 10,
 * checking external view every time a tagged node is started. Then shut down all 10, checking
 * external view every time a tagged node is killed.
 */
@Test
public void testSafeAssignment() throws Exception {
    final int NUM_PARTICIPANTS = 10;
    final int NUM_PARTITIONS = 4;
    final int NUM_REPLICAS = 2;
    final String RESOURCE_NAME = "TestDB0";
    final String TAG = "ASSIGNABLE";
    final String[] TAGGED_NODES = { "localhost_12920", "localhost_12922", "localhost_12924", "localhost_12925" };
    Set<String> taggedNodes = Sets.newHashSet(TAGGED_NODES);
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterName = className + "_" + methodName;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    // 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, // use FULL_AUTO mode to test node tagging
    "MasterSlave", // use FULL_AUTO mode to test node tagging
    RebalanceMode.FULL_AUTO, // do rebalance
    true);
    // tag the resource and participants
    HelixAdmin helixAdmin = new ZKHelixAdmin(ZK_ADDR);
    for (String taggedNode : TAGGED_NODES) {
        helixAdmin.addInstanceTag(clusterName, taggedNode, TAG);
    }
    IdealState idealState = helixAdmin.getResourceIdealState(clusterName, RESOURCE_NAME);
    idealState.setInstanceGroupTag(TAG);
    helixAdmin.setResourceIdealState(clusterName, RESOURCE_NAME, idealState);
    // start controller
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, "controller");
    controller.syncStart();
    // 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();
        // ensure that everything is valid if this is a tagged node that is starting
        if (taggedNodes.contains(instanceName)) {
            // make sure that the best possible matches the external view
            Thread.sleep(500);
            boolean result = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
            Assert.assertTrue(result);
            // make sure that the tagged state of the nodes is still balanced
            result = ClusterStateVerifier.verifyByZkCallback(new TaggedZkVerifier(clusterName, RESOURCE_NAME, TAGGED_NODES, false));
            Assert.assertTrue(result, "initial assignment with all tagged nodes live is invalid");
        }
    }
    // cleanup
    for (int i = 0; i < NUM_PARTICIPANTS; i++) {
        String participantName = participants[i].getInstanceName();
        participants[i].syncStop();
        if (taggedNodes.contains(participantName)) {
            // check that the external view is still correct even after removing tagged nodes
            taggedNodes.remove(participantName);
            Thread.sleep(500);
            boolean result = ClusterStateVerifier.verifyByZkCallback(new TaggedZkVerifier(clusterName, RESOURCE_NAME, TAGGED_NODES, taggedNodes.isEmpty()));
            Assert.assertTrue(result, "incorrect state after removing " + participantName + ", " + taggedNodes + " remain");
        }
    }
    controller.syncStop();
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}

Example 59 with ClusterControllerManager

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

the class TestMixedModeAutoRebalance method beforeClass.

@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);
    }
    _gSetupTool.addCluster(CLUSTER_NAME, true);
    for (int i = 0; i < NUM_NODE; i++) {
        String storageNodeName = PARTICIPANT_PREFIX + "_" + (START_PORT + i);
        _gSetupTool.addInstanceToCluster(CLUSTER_NAME, storageNodeName);
        // start dummy participants
        MockParticipantManager participant = new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, storageNodeName);
        participant.syncStart();
        _participants.add(participant);
    }
    // start controller
    String controllerName = CONTROLLER_PREFIX + "_0";
    _controller = new ClusterControllerManager(ZK_ADDR, CLUSTER_NAME, controllerName);
    _controller.syncStart();
    _clusterVerifier = new BestPossibleExternalViewVerifier.Builder(CLUSTER_NAME).setZkAddr(ZK_ADDR).build();
    enablePersistBestPossibleAssignment(_gZkClient, CLUSTER_NAME, true);
    _configAccessor = new ConfigAccessor(_gZkClient);
    _dataAccessor = new ZKHelixDataAccessor(CLUSTER_NAME, _baseAccessor);
}

Example 60 with ClusterControllerManager

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

the class TestNonOfflineInitState method testNonOfflineInitState.

@Test
public void testNonOfflineInitState() throws Exception {
    System.out.println("START testNonOfflineInitState at " + new Date(System.currentTimeMillis()));
    String clusterName = getShortClassName();
    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
    1, "Bootstrap", // do rebalance
    true);
    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);
        // add a state model with non-OFFLINE initial state
        StateMachineEngine stateMach = participants[i].getStateMachineEngine();
        MockBootstrapModelFactory bootstrapFactory = new MockBootstrapModelFactory();
        stateMach.registerStateModelFactory("Bootstrap", bootstrapFactory);
        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 testNonOfflineInitState at " + new Date(System.currentTimeMillis()));
}