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

Example 6 with MockParticipantManager

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

the class TestJobQueuesResource method test.

@Test
public void test() throws Exception {
    String className = TestHelper.getTestClassName();
    String methodName = TestHelper.getTestMethodName();
    String clusterName = className + "_" + methodName;
    final int n = 5;
    final int p = 20;
    final int r = 3;
    System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
    _gSetupTool.addCluster(clusterName, true);
    for (int i = 0; i < n; i++) {
        String instanceName = "localhost_" + (12918 + i);
        _gSetupTool.addInstanceToCluster(clusterName, instanceName);
    }
    // Set up target db
    _gSetupTool.addResourceToCluster(clusterName, WorkflowGenerator.DEFAULT_TGT_DB, p, "MasterSlave");
    _gSetupTool.rebalanceStorageCluster(clusterName, WorkflowGenerator.DEFAULT_TGT_DB, r);
    Map<String, TaskFactory> taskFactoryReg = new HashMap<String, TaskFactory>();
    taskFactoryReg.put("DummyTask", new TaskFactory() {

        @Override
        public Task createNewTask(TaskCallbackContext context) {
            return new MockTask(context);
        }
    });
    // Start dummy participants
    MockParticipantManager[] participants = new MockParticipantManager[n];
    for (int i = 0; i < n; i++) {
        String instanceName = "localhost_" + (12918 + i);
        participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
        // Register a Task state model factory.
        StateMachineEngine stateMachine = participants[i].getStateMachineEngine();
        stateMachine.registerStateModelFactory("Task", new TaskStateModelFactory(participants[i], taskFactoryReg));
        participants[i].syncStart();
    }
    // start controller
    String controllerName = "controller";
    ClusterControllerManager controller = new ClusterControllerManager(ZK_ADDR, clusterName, controllerName);
    controller.syncStart();
    boolean result = ClusterStateVerifier.verifyByZkCallback(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(result);
    // Start a queue
    String queueName = "myQueue1";
    LOG.info("Starting job-queue: " + queueName);
    String jobQueueYamlConfig = "name: " + queueName;
    String resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues";
    ZNRecord postRet = AdminTestHelper.post(_gClient, resourceUrl, jobQueueYamlConfig);
    LOG.info("Started job-queue: " + queueName + ", ret: " + postRet);
    LOG.info("Getting all job-queues");
    ZNRecord getRet = AdminTestHelper.get(_gClient, resourceUrl);
    LOG.info("Got job-queues: " + getRet);
    // Enqueue job
    resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues/" + queueName;
    WorkflowBean wfBean = new WorkflowBean();
    wfBean.name = queueName;
    JobBean jBean1 = new JobBean();
    jBean1.name = "myJob1";
    jBean1.command = "DummyTask";
    jBean1.targetResource = WorkflowGenerator.DEFAULT_TGT_DB;
    jBean1.targetPartitionStates = Lists.newArrayList("MASTER");
    JobBean jBean2 = new JobBean();
    jBean2.name = "myJob2";
    jBean2.command = "DummyTask";
    jBean2.targetResource = WorkflowGenerator.DEFAULT_TGT_DB;
    jBean2.targetPartitionStates = Lists.newArrayList("SLAVE");
    wfBean.jobs = Lists.newArrayList(jBean1, jBean2);
    String jobYamlConfig = new Yaml().dump(wfBean);
    LOG.info("Enqueuing jobs: " + jobQueueYamlConfig);
    Map<String, String> paraMap = new HashMap<String, String>();
    paraMap.put(JsonParameters.MANAGEMENT_COMMAND, TaskDriver.DriverCommand.start.toString());
    String postBody = String.format("%s=%s&%s=%s", JsonParameters.JSON_PARAMETERS, ClusterRepresentationUtil.ObjectToJson(paraMap), ResourceUtil.YamlParamKey.NEW_JOB.toString(), jobYamlConfig);
    postRet = AdminTestHelper.post(_gClient, resourceUrl, postBody);
    LOG.info("Enqueued job, ret: " + postRet);
    // Get job
    resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues/" + queueName + "/" + jBean1.name;
    getRet = AdminTestHelper.get(_gClient, resourceUrl);
    LOG.info("Got job: " + getRet);
    // Stop job queue
    resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues/" + queueName;
    paraMap.put(JsonParameters.MANAGEMENT_COMMAND, TaskDriver.DriverCommand.stop.toString());
    postBody = String.format("%s=%s", JsonParameters.JSON_PARAMETERS, ClusterRepresentationUtil.ObjectToJson(paraMap));
    postRet = AdminTestHelper.post(_gClient, resourceUrl, postBody);
    LOG.info("Stopped job-queue, ret: " + postRet);
    // Delete a job
    resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues/" + queueName + "/" + jBean2.name;
    AdminTestHelper.delete(_gClient, resourceUrl);
    LOG.info("Delete a job: ");
    // Resume job queue
    resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/jobQueues/" + queueName;
    paraMap.put(JsonParameters.MANAGEMENT_COMMAND, TaskDriver.DriverCommand.resume.toString());
    postBody = String.format("%s=%s", JsonParameters.JSON_PARAMETERS, ClusterRepresentationUtil.ObjectToJson(paraMap));
    postRet = AdminTestHelper.post(_gClient, resourceUrl, postBody);
    LOG.info("Resumed job-queue, ret: " + postRet);
    // Flush job queue
    paraMap.put(JsonParameters.MANAGEMENT_COMMAND, "flush");
    postBody = JsonParameters.JSON_PARAMETERS + "=" + ClusterRepresentationUtil.ObjectToJson(paraMap);
    postRet = AdminTestHelper.post(_gClient, resourceUrl, postBody);
    LOG.info("Flushed job-queue, ret: " + postRet);
    // clean up
    controller.syncStop();
    for (int i = 0; i < n; i++) {
        if (participants[i] != null && participants[i].isConnected()) {
            participants[i].syncStop();
        }
    }
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}

Example 7 with MockParticipantManager

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

the class AbstractTestClass method startInstances.

protected Set<String> startInstances(String cluster, Set<String> instances, int numLiveinstances) {
    Set<String> liveInstances = new HashSet<>();
    int i = 0;
    for (String instance : instances) {
        MockParticipantManager participant = new MockParticipantManager(ZK_ADDR, cluster, instance);
        participant.syncStart();
        liveInstances.add(instance);
        if (++i > numLiveinstances) {
            break;
        }
    }
    return liveInstances;
}

Example 8 with MockParticipantManager

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

the class TestClusterVerifier method testSleepTransition.

@Test
public void testSleepTransition() throws InterruptedException {
    HelixClusterVerifier bestPossibleVerifier = new BestPossibleExternalViewVerifier.Builder(_clusterName).setZkClient(_gZkClient).build();
    Assert.assertTrue(bestPossibleVerifier.verify(10000));
    HelixClusterVerifier strictMatchVerifier = new StrictMatchExternalViewVerifier.Builder(_clusterName).setZkClient(_gZkClient).build();
    Assert.assertTrue(strictMatchVerifier.verify(10000));
    // Re-start a new participant with sleeping transition(all state model transition cannot finish)
    _participants[0].syncStop();
    Thread.sleep(1000);
    _participants[0] = new MockParticipantManager(ZK_ADDR, _clusterName, _participants[0].getInstanceName());
    _participants[0].setTransition(new SleepTransition(99999999));
    _participants[0].syncStart();
    // The new participant causes rebalance, but the state transitions are all stuck
    Thread.sleep(1000);
    Assert.assertFalse(strictMatchVerifier.verify(3000));
}

Example 9 with MockParticipantManager

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

the class TestHelixAdminCli method testDropAddResource.

@Test
public void testDropAddResource() 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);
    // save ideal state
    BaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    HelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, baseAccessor);
    IdealState idealState = accessor.getProperty(accessor.keyBuilder().idealStates("db_11"));
    ZNRecordJsonSerializer serializer = new ZNRecordJsonSerializer();
    String tmpDir = System.getProperty("java.io.tmpdir");
    if (tmpDir == null) {
        tmpDir = "/tmp";
    }
    final String tmpIdealStateFile = tmpDir + "/" + clusterName + "_idealState.log";
    FileWriter fos = new FileWriter(tmpIdealStateFile);
    PrintWriter pw = new PrintWriter(fos);
    pw.write(new String(serializer.serialize(idealState.getRecord())));
    pw.close();
    command = "-zkSvr " + ZK_ADDR + " -dropResource " + clusterName + " db_11 ";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    boolean verifyResult = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(verifyResult);
    command = "-zkSvr " + ZK_ADDR + " -addIdealState " + clusterName + " db_11 " + tmpIdealStateFile;
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    verifyResult = ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
    Assert.assertTrue(verifyResult);
    IdealState idealState2 = accessor.getProperty(accessor.keyBuilder().idealStates("db_11"));
    Assert.assertTrue(idealState2.getRecord().equals(idealState.getRecord()));
    // clean up
    for (int i = 0; i < controllers.length; i++) {
        controllers[i].syncStop();
    }
    for (int i = 0; i < participants.length; i++) {
        participants[i].syncStop();
    }
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}

Example 10 with MockParticipantManager

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

the class TestHelixAdminCli method testInstanceOperations.

@Test
public void testInstanceOperations() 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);
    // drop node should fail if the node is not disabled
    command = "-zkSvr " + ZK_ADDR + " -dropNode " + clusterName + " localhost:1232";
    try {
        ClusterSetup.processCommandLineArgs(command.split("\\s+"));
        Assert.fail("dropNode should fail since the node is not disabled");
    } catch (Exception e) {
    // OK
    }
    // disabled node
    command = "-zkSvr " + ZK_ADDR + " -enableInstance " + clusterName + " localhost:1232 false";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    // Cannot dropNode if the node is not disconnected
    command = "-zkSvr " + ZK_ADDR + " -dropNode " + clusterName + " localhost:1232";
    try {
        ClusterSetup.processCommandLineArgs(command.split("\\s+"));
        Assert.fail("dropNode should fail since the node is not disconnected");
    } catch (Exception e) {
    // OK
    }
    // Cannot swapNode if the node is not disconnected
    command = "-zkSvr " + ZK_ADDR + " -swapInstance " + clusterName + " localhost_1232 localhost_12320";
    try {
        ClusterSetup.processCommandLineArgs(command.split("\\s+"));
        Assert.fail("swapInstance should fail since the node is not disconnected");
    } catch (Exception e) {
    // OK
    }
    // disconnect localhost_1232
    participants[2].syncStop();
    // add new node then swap instance
    command = "-zkSvr " + ZK_ADDR + " -addNode " + clusterName + " localhost:12320";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    // swap instance. The instance get swapped out should not exist anymore
    command = "-zkSvr " + ZK_ADDR + " -swapInstance " + clusterName + " localhost_1232 localhost_12320";
    ClusterSetup.processCommandLineArgs(command.split("\\s+"));
    BaseDataAccessor<ZNRecord> baseAccessor = new ZkBaseDataAccessor<ZNRecord>(_gZkClient);
    HelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, baseAccessor);
    String path = accessor.keyBuilder().instanceConfig("localhost_1232").getPath();
    Assert.assertFalse(_gZkClient.exists(path), path + " should not exist since localhost_1232 has been swapped by localhost_12320");
    // clean up
    for (int i = 0; i < controllers.length; i++) {
        controllers[i].syncStop();
    }
    for (int i = 0; i < participants.length; i++) {
        participants[i].syncStop();
    }
    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}