Package org.apache.hadoop.yarn.server.resourcemanager

Examples of org.apache.hadoop.yarn.server.resourcemanager.MockRM

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   */
  @Test
  public void testTokenExpiry() throws Exception {

    MyContainerManager containerManager = new MyContainerManager();
    final MockRM rm = new MockRMWithAMS(new Configuration(), containerManager);
    rm.start();

    final Configuration conf = rm.getConfig();
    final YarnRPC rpc = YarnRPC.create(conf);
    AMRMProtocol rmClient = null;

    try {
      MockNM nm1 = rm.registerNode("localhost:1234", 5120);

      RMApp app = rm.submitApp(1024);

      nm1.nodeHeartbeat(true);

      int waitCount = 0;
      while (containerManager.amContainerEnv == null && waitCount++ < 20) {
        LOG.info("Waiting for AM Launch to happen..");
        Thread.sleep(1000);
      }
      Assert.assertNotNull(containerManager.amContainerEnv);

      RMAppAttempt attempt = app.getCurrentAppAttempt();
      ApplicationAttemptId applicationAttemptId = attempt.getAppAttemptId();

      // Create a client to the RM.
      UserGroupInformation currentUser =
          UserGroupInformation
            .createRemoteUser(applicationAttemptId.toString());
      String tokenURLEncodedStr =
          containerManager.amContainerEnv
            .get(ApplicationConstants.APPLICATION_MASTER_TOKEN_ENV_NAME);
      LOG.info("AppMasterToken is " + tokenURLEncodedStr);
      Token<? extends TokenIdentifier> token = new Token<TokenIdentifier>();
      token.decodeFromUrlString(tokenURLEncodedStr);
      currentUser.addToken(token);

      rmClient = createRMClient(rm, conf, rpc, currentUser);

      RegisterApplicationMasterRequest request =
          Records.newRecord(RegisterApplicationMasterRequest.class);
      request.setApplicationAttemptId(applicationAttemptId);
      rmClient.registerApplicationMaster(request);

      FinishApplicationMasterRequest finishAMRequest =
          Records.newRecord(FinishApplicationMasterRequest.class);
      finishAMRequest.setAppAttemptId(applicationAttemptId);
      finishAMRequest
        .setFinishApplicationStatus(FinalApplicationStatus.SUCCEEDED);
      finishAMRequest.setDiagnostics("diagnostics");
      finishAMRequest.setTrackingUrl("url");
      rmClient.finishApplicationMaster(finishAMRequest);

      // Now simulate trying to allocate. RPC call itself should throw auth
      // exception.
      rpc.stopProxy(rmClient, conf); // To avoid using cached client
      rmClient = createRMClient(rm, conf, rpc, currentUser);
      request.setApplicationAttemptId(BuilderUtils.newApplicationAttemptId(
        BuilderUtils.newApplicationId(12345, 78), 987));
      AllocateRequest allocateRequest =
          Records.newRecord(AllocateRequest.class);
      allocateRequest.setApplicationAttemptId(applicationAttemptId);
      try {
        rmClient.allocate(allocateRequest);
        Assert.fail("You got to be kidding me! "
            + "Using App tokens after app-finish should fail!");
      } catch (Throwable t) {
        LOG.info("Exception found is ", t);
        // The exception will still have the earlier appAttemptId as it picks it
        // up from the token.
        Assert.assertTrue(t.getCause().getMessage().contains(
            "Password not found for ApplicationAttempt " +
            applicationAttemptId.toString()));
      }

    } finally {
      rm.stop();
      if (rmClient != null) {
        rpc.stopProxy(rmClient, conf); // To avoid using cached client
      }
    }
  }
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  @Test
  public void testMasterKeyRollOver() throws Exception {

    Configuration config = new Configuration();
    MyContainerManager containerManager = new MyContainerManager();
    final MockRM rm = new MockRMWithAMS(config, containerManager);
    rm.start();

    final Configuration conf = rm.getConfig();
    final YarnRPC rpc = YarnRPC.create(conf);
    AMRMProtocol rmClient = null;

    try {
      MockNM nm1 = rm.registerNode("localhost:1234", 5120);

      RMApp app = rm.submitApp(1024);

      nm1.nodeHeartbeat(true);

      int waitCount = 0;
      while (containerManager.amContainerEnv == null && waitCount++ < 20) {
        LOG.info("Waiting for AM Launch to happen..");
        Thread.sleep(1000);
      }
      Assert.assertNotNull(containerManager.amContainerEnv);

      RMAppAttempt attempt = app.getCurrentAppAttempt();
      ApplicationAttemptId applicationAttemptId = attempt.getAppAttemptId();

      // Create a client to the RM.
      UserGroupInformation currentUser =
          UserGroupInformation
            .createRemoteUser(applicationAttemptId.toString());
      String tokenURLEncodedStr =
          containerManager.amContainerEnv
            .get(ApplicationConstants.APPLICATION_MASTER_TOKEN_ENV_NAME);
      LOG.info("AppMasterToken is " + tokenURLEncodedStr);
      Token<? extends TokenIdentifier> token = new Token<TokenIdentifier>();
      token.decodeFromUrlString(tokenURLEncodedStr);
      currentUser.addToken(token);

      rmClient = createRMClient(rm, conf, rpc, currentUser);

      RegisterApplicationMasterRequest request =
          Records.newRecord(RegisterApplicationMasterRequest.class);
      request.setApplicationAttemptId(applicationAttemptId);
      rmClient.registerApplicationMaster(request);

      // One allocate call.
      AllocateRequest allocateRequest =
          Records.newRecord(AllocateRequest.class);
      allocateRequest.setApplicationAttemptId(applicationAttemptId);
      Assert.assertFalse(rmClient.allocate(allocateRequest).getAMResponse()
        .getReboot());

      // Simulate a master-key-roll-over
      ApplicationTokenSecretManager appTokenSecretManager =
          rm.getRMContext().getApplicationTokenSecretManager();
      SecretKey oldKey = appTokenSecretManager.getMasterKey();
      appTokenSecretManager.rollMasterKey();
      SecretKey newKey = appTokenSecretManager.getMasterKey();
      Assert.assertFalse("Master key should have changed!",
        oldKey.equals(newKey));

      // Another allocate call. Should continue to work.
      rpc.stopProxy(rmClient, conf); // To avoid using cached client
      rmClient = createRMClient(rm, conf, rpc, currentUser);
      allocateRequest = Records.newRecord(AllocateRequest.class);
      allocateRequest.setApplicationAttemptId(applicationAttemptId);
      Assert.assertFalse(rmClient.allocate(allocateRequest).getAMResponse()
        .getReboot());
    } finally {
      rm.stop();
      if (rmClient != null) {
        rpc.stopProxy(rmClient, conf); // To avoid using cached client
      }
    }
  }
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  DrainDispatcher dispatcher = null;

  @Before
  public void setUp() {
    dispatcher = new DrainDispatcher();
    this.rm = new MockRM() {
      @Override
      protected EventHandler<SchedulerEvent> createSchedulerEventDispatcher() {
        return new SchedulerEventDispatcher(this.scheduler) {
          @Override
          public void handle(SchedulerEvent event) {
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  private RMContext context;

  @Before
  public void setUp() {
    this.rm = new MockRM();
    rm.start();
    this.clientService = rm.getClientRMService();
    amService = rm.getApplicationMasterService();
  }
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    UserGroupInformation.setConfiguration(conf);

    CustomNM containerManager = new CustomNM();
    final DrainDispatcher dispatcher = new DrainDispatcher();

    MockRM rm = new MockRMWithCustomAMLauncher(conf, containerManager) {
      protected ClientRMService createClientRMService() {
        return new ClientRMService(this.rmContext, scheduler,
          this.rmAppManager, this.applicationACLsManager,
          this.rmDTSecretManager);
      };

      @Override
      protected Dispatcher createDispatcher() {
        return dispatcher;
      }

      @Override
      protected void doSecureLogin() throws IOException {
      }
    };
    rm.start();

    // Submit an app
    RMApp app = rm.submitApp(1024);
    dispatcher.await();

    // Set up a node.
    MockNM nm1 = rm.registerNode("localhost:1234", 3072);
    nm1.nodeHeartbeat(true);
    dispatcher.await();

    // Get the app-report.
    GetApplicationReportRequest request =
        Records.newRecord(GetApplicationReportRequest.class);
    request.setApplicationId(app.getApplicationId());
    GetApplicationReportResponse reportResponse =
        rm.getClientRMService().getApplicationReport(request);
    ApplicationReport appReport = reportResponse.getApplicationReport();
    ClientToken clientToken = appReport.getClientToken();

    // Wait till AM is 'launched'
    int waitTime = 0;
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  public void testRMWritingMassiveHistory() throws Exception {
    // 1. Show RM can run with writing history data
    // 2. Test additional workload of processing history events
    YarnConfiguration conf = new YarnConfiguration();
    // don't process history events
    MockRM rm = new MockRM(conf) {
      @Override
      protected RMApplicationHistoryWriter createRMApplicationHistoryWriter() {
        return new RMApplicationHistoryWriter() {
          @Override
          public void applicationStarted(RMApp app) {
          }

          @Override
          public void applicationFinished(RMApp app, RMAppState finalState) {
          }

          @Override
          public void applicationAttemptStarted(RMAppAttempt appAttempt) {
          }

          @Override
          public void applicationAttemptFinished(
              RMAppAttempt appAttempt, RMAppAttemptState finalState) {
          }

          @Override
          public void containerStarted(RMContainer container) {
          }

          @Override
          public void containerFinished(RMContainer container) {
          }
        };
      }
    };
    long startTime1 = System.currentTimeMillis();
    testRMWritingMassiveHistory(rm);
    long finishTime1 = System.currentTimeMillis();
    long elapsedTime1 = finishTime1 - startTime1;
    rm = new MockRM(conf);
    long startTime2 = System.currentTimeMillis();
    testRMWritingMassiveHistory(rm);
    long finishTime2 = System.currentTimeMillis();
    long elapsedTime2 = finishTime2 - startTime2;
    // No more than 10% additional workload
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  private final int GB = 1024;

  @Test(timeout = 3000000)
  public void testExcessReservationThanNodeManagerCapacity() throws Exception {
    YarnConfiguration conf = new YarnConfiguration();
    MockRM rm = new MockRM(conf);
    rm.start();

    // Register node1
    MockNM nm1 = rm.registerNode("127.0.0.1:1234", 2 * GB);
    MockNM nm2 = rm.registerNode("127.0.0.1:2234", 3 * GB);

    nm1.nodeHeartbeat(true);
    nm2.nodeHeartbeat(true);

    // wait..
    int waitCount = 20;
    int size = rm.getRMContext().getRMNodes().size();
    while ((size = rm.getRMContext().getRMNodes().size()) != 2
        && waitCount-- > 0) {
      LOG.info("Waiting for node managers to register : " + size);
      Thread.sleep(100);
    }
    Assert.assertEquals(2, rm.getRMContext().getRMNodes().size());
    // Submit an application
    RMApp app1 = rm.submitApp(128);

    // kick the scheduling
    nm1.nodeHeartbeat(true);
    RMAppAttempt attempt1 = app1.getCurrentAppAttempt();
    MockAM am1 = rm.sendAMLaunched(attempt1.getAppAttemptId());
    am1.registerAppAttempt();

    LOG.info("sending container requests ");
    am1.addRequests(new String[] { "*" }, 3 * GB, 1, 1);
    AMResponse alloc1Response = am1.schedule(); // send the request

    // kick the scheduler
    nm1.nodeHeartbeat(true);
    int waitCounter = 20;
    LOG.info("heartbeating nm1");
    while (alloc1Response.getAllocatedContainers().size() < 1
        && waitCounter-- > 0) {
      LOG.info("Waiting for containers to be created for app 1...");
      Thread.sleep(500);
      alloc1Response = am1.schedule();
    }
    LOG.info("received container : "
        + alloc1Response.getAllocatedContainers().size());

    // No container should be allocated.
    // Internally it should not been reserved.
    Assert.assertTrue(alloc1Response.getAllocatedContainers().size() == 0);

    LOG.info("heartbeating nm2");
    waitCounter = 20;
    nm2.nodeHeartbeat(true);
    while (alloc1Response.getAllocatedContainers().size() < 1
        && waitCounter-- > 0) {
      LOG.info("Waiting for containers to be created for app 1...");
      Thread.sleep(500);
      alloc1Response = am1.schedule();
    }
    LOG.info("received container : "
        + alloc1Response.getAllocatedContainers().size());
    Assert.assertTrue(alloc1Response.getAllocatedContainers().size() == 1);

    rm.stop();
  }
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  @Test
  public void testBlackListNodes() throws Exception {
    Configuration conf = new Configuration();
    conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class,
        ResourceScheduler.class);
    MockRM rm = new MockRM(conf);
    rm.start();
    CapacityScheduler cs = (CapacityScheduler) rm.getResourceScheduler();

    String host = "127.0.0.1";
    RMNode node =
        MockNodes.newNodeInfo(0, MockNodes.newResource(4 * GB), 1, host);
    cs.handle(new NodeAddedSchedulerEvent(node));

    ApplicationId appId = BuilderUtils.newApplicationId(100, 1);
    ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
        appId, 1);
    SchedulerEvent addAppEvent =
        new AppAddedSchedulerEvent(appId, "default", "user");
    cs.handle(addAppEvent);
    SchedulerEvent addAttemptEvent =
        new AppAttemptAddedSchedulerEvent(appAttemptId, false);
    cs.handle(addAttemptEvent);

    // Verify the blacklist can be updated independent of requesting containers
    cs.allocate(appAttemptId, Collections.<ResourceRequest>emptyList(),
        Collections.<ContainerId>emptyList(),
        Collections.singletonList(host), null);
    Assert.assertTrue(cs.getApplicationAttempt(appAttemptId).isBlacklisted(host));
    cs.allocate(appAttemptId, Collections.<ResourceRequest>emptyList(),
        Collections.<ContainerId>emptyList(), null,
        Collections.singletonList(host));
    Assert.assertFalse(cs.getApplicationAttempt(appAttemptId).isBlacklisted(host));
    rm.stop();
  }
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  @Test
  public void testAsyncScheduling() throws Exception {
    Configuration conf = new Configuration();
    conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class,
        ResourceScheduler.class);
    MockRM rm = new MockRM(conf);
    rm.start();
    CapacityScheduler cs = (CapacityScheduler) rm.getResourceScheduler();

    final int NODES = 100;
   
    // Register nodes
    for (int i=0; i < NODES; ++i) {
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  private final int GB = 1024;

  @Test(timeout = 3000000)
  public void testExcessReservationThanNodeManagerCapacity() throws Exception {
    YarnConfiguration conf = new YarnConfiguration();
    MockRM rm = new MockRM(conf);
    rm.start();

    // Register node1
    MockNM nm1 = rm.registerNode("127.0.0.1:1234", 2 * GB, 4);
    MockNM nm2 = rm.registerNode("127.0.0.1:2234", 3 * GB, 4);

    nm1.nodeHeartbeat(true);
    nm2.nodeHeartbeat(true);

    // wait..
    int waitCount = 20;
    int size = rm.getRMContext().getRMNodes().size();
    while ((size = rm.getRMContext().getRMNodes().size()) != 2
        && waitCount-- > 0) {
      LOG.info("Waiting for node managers to register : " + size);
      Thread.sleep(100);
    }
    Assert.assertEquals(2, rm.getRMContext().getRMNodes().size());
    // Submit an application
    RMApp app1 = rm.submitApp(128);

    // kick the scheduling
    nm1.nodeHeartbeat(true);
    RMAppAttempt attempt1 = app1.getCurrentAppAttempt();
    MockAM am1 = rm.sendAMLaunched(attempt1.getAppAttemptId());
    am1.registerAppAttempt();

    LOG.info("sending container requests ");
    am1.addRequests(new String[] {"*"}, 3 * GB, 1, 1);
    AllocateResponse alloc1Response = am1.schedule(); // send the request

    // kick the scheduler
    nm1.nodeHeartbeat(true);
    int waitCounter = 20;
    LOG.info("heartbeating nm1");
    while (alloc1Response.getAllocatedContainers().size() < 1
        && waitCounter-- > 0) {
      LOG.info("Waiting for containers to be created for app 1...");
      Thread.sleep(500);
      alloc1Response = am1.schedule();
    }
    LOG.info("received container : "
        + alloc1Response.getAllocatedContainers().size());

    // No container should be allocated.
    // Internally it should not been reserved.
    Assert.assertTrue(alloc1Response.getAllocatedContainers().size() == 0);

    LOG.info("heartbeating nm2");
    waitCounter = 20;
    nm2.nodeHeartbeat(true);
    while (alloc1Response.getAllocatedContainers().size() < 1
        && waitCounter-- > 0) {
      LOG.info("Waiting for containers to be created for app 1...");
      Thread.sleep(500);
      alloc1Response = am1.schedule();
    }
    LOG.info("received container : "
        + alloc1Response.getAllocatedContainers().size());
    Assert.assertTrue(alloc1Response.getAllocatedContainers().size() == 1);

    rm.stop();
  }
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Related Classes of org.apache.hadoop.yarn.server.resourcemanager.MockRM

  • org.apache.hadoop.conf.Configuration
  • org.apache.hadoop.io.DataOutputBuffer
  • org.apache.hadoop.security.UserGroupInformation
  • org.apache.hadoop.yarn.api.ApplicationClientProtocol
  • org.apache.hadoop.yarn.api.ClientRMProtocol
  • org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
  • org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportResponse
  • org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse
  • org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest
  • org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest
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