Java Code Examples for org.apache.hadoop.yarn.server.utils.BuilderUtils#newApplicationId()

@Test
public void testForceKillNonExistingApplication() throws YarnException {
  RMContext rmContext = mock(RMContext.class);
  when(rmContext.getRMApps()).thenReturn(
      new ConcurrentHashMap<ApplicationId, RMApp>());
  ClientRMService rmService = new ClientRMService(rmContext, null, null,
      null, null, null);
  ApplicationId applicationId =
      BuilderUtils.newApplicationId(System.currentTimeMillis(), 0);
  KillApplicationRequest request =
      KillApplicationRequest.newInstance(applicationId);
  try {
    rmService.forceKillApplication(request);
    Assert.fail();
  } catch (ApplicationNotFoundException ex) {
    Assert.assertEquals(ex.getMessage(),
        "Trying to kill an absent " +
            "application " + request.getApplicationId());
  }
}
 

@Test(timeout=20000)
public void testStopAfterError() throws Exception {
  DeletionService delSrvc = mock(DeletionService.class);

  // get the AppLogAggregationImpl thread to crash
  LocalDirsHandlerService mockedDirSvc = mock(LocalDirsHandlerService.class);
  when(mockedDirSvc.getLogDirs()).thenThrow(new RuntimeException());
  
  LogAggregationService logAggregationService =
      new LogAggregationService(dispatcher, this.context, delSrvc,
                                mockedDirSvc);
  logAggregationService.init(this.conf);
  logAggregationService.start();

  ApplicationId application1 = BuilderUtils.newApplicationId(1234, 1);
  logAggregationService.handle(new LogHandlerAppStartedEvent(
          application1, this.user, null,
          ContainerLogsRetentionPolicy.ALL_CONTAINERS, this.acls));

  logAggregationService.stop();
  assertEquals(0, logAggregationService.getNumAggregators());
  logAggregationService.close();
}
 

@Test
public void testForceKillNonExistingApplication() throws YarnException {
  RMContext rmContext = mock(RMContext.class);
  when(rmContext.getRMApps()).thenReturn(
      new ConcurrentHashMap<ApplicationId, RMApp>());
  ClientRMService rmService = new ClientRMService(rmContext, null, null,
      null, null, null);
  ApplicationId applicationId =
      BuilderUtils.newApplicationId(System.currentTimeMillis(), 0);
  KillApplicationRequest request =
      KillApplicationRequest.newInstance(applicationId);
  try {
    rmService.forceKillApplication(request);
    Assert.fail();
  } catch (ApplicationNotFoundException ex) {
    Assert.assertEquals(ex.getMessage(),
        "Trying to kill an absent " +
            "application " + request.getApplicationId());
  }
}
 

@Test (expected = ApplicationNotFoundException.class)
public void testMoveAbsentApplication() throws YarnException {
  RMContext rmContext = mock(RMContext.class);
  when(rmContext.getRMApps()).thenReturn(
      new ConcurrentHashMap<ApplicationId, RMApp>());
  ClientRMService rmService = new ClientRMService(rmContext, null, null,
      null, null, null);
  ApplicationId applicationId =
      BuilderUtils.newApplicationId(System.currentTimeMillis(), 0);
  MoveApplicationAcrossQueuesRequest request =
      MoveApplicationAcrossQueuesRequest.newInstance(applicationId, "newqueue");
  rmService.moveApplicationAcrossQueues(request);
}
 

/**
 * Basic idea of the test:
 * 1. register a token for 2 seconds with no cancel at the end
 * 2. cancel it immediately
 * 3. Sleep and check that the 2 seconds renew didn't happen 
 * (totally 5 renewals)
 * 4. check cancellation
 * @throws IOException
 * @throws URISyntaxException
 */
@Test(timeout=60000)
public void testDTRenewalWithNoCancel () throws Exception {
  MyFS dfs = (MyFS)FileSystem.get(conf);
  LOG.info("dfs="+(Object)dfs.hashCode() + ";conf="+conf.hashCode());

  Credentials ts = new Credentials();
  MyToken token1 = dfs.getDelegationToken("user1");

  //to cause this one to be set for renew in 2 secs
  Renewer.tokenToRenewIn2Sec = token1; 
  LOG.info("token="+token1+" should be renewed for 2 secs");
  
  String nn1 = DelegationTokenRenewer.SCHEME + "://host1:0";
  ts.addToken(new Text(nn1), token1);
  

  ApplicationId applicationId_1 = BuilderUtils.newApplicationId(0, 1);
  delegationTokenRenewer.addApplicationAsync(applicationId_1, ts, false, "user");
  waitForEventsToGetProcessed(delegationTokenRenewer);
  delegationTokenRenewer.applicationFinished(applicationId_1);
  waitForEventsToGetProcessed(delegationTokenRenewer);
  int numberOfExpectedRenewals = Renewer.counter; // number of renewals so far
  try {
    Thread.sleep(6*1000); // sleep 6 seconds, so it has time to renew
  } catch (InterruptedException e) {}
  LOG.info("Counter = " + Renewer.counter + ";t="+ Renewer.lastRenewed);
  
  // counter and the token should still be the old ones
  assertEquals("renew wasn't called as many times as expected",
      numberOfExpectedRenewals, Renewer.counter);
  
  // also renewing of the canceled token should not fail, because it has not
  // been canceled
  token1.renew(conf);
}
 

@Test
public void testLogAggregatorCleanup() throws Exception {
  DeletionService delSrvc = mock(DeletionService.class);

  // get the AppLogAggregationImpl thread to crash
  LocalDirsHandlerService mockedDirSvc = mock(LocalDirsHandlerService.class);

  LogAggregationService logAggregationService =
      new LogAggregationService(dispatcher, this.context, delSrvc,
                                mockedDirSvc);
  logAggregationService.init(this.conf);
  logAggregationService.start();

  ApplicationId application1 = BuilderUtils.newApplicationId(1234, 1);
  logAggregationService.handle(new LogHandlerAppStartedEvent(
          application1, this.user, null,
          ContainerLogsRetentionPolicy.ALL_CONTAINERS, this.acls));

  logAggregationService.handle(new LogHandlerAppFinishedEvent(application1));
  dispatcher.await();
  int timeToWait = 20 * 1000;
  while (timeToWait > 0 && logAggregationService.getNumAggregators() > 0) {
    Thread.sleep(100);
    timeToWait -= 100;
  }
  Assert.assertEquals("Log aggregator failed to cleanup!", 0,
      logAggregationService.getNumAggregators());
  logAggregationService.stop();
  logAggregationService.close();
}
 

@Test(timeout=5000)
public void testAppAttemptMetrics() throws Exception {
  AsyncDispatcher dispatcher = new InlineDispatcher();
  
  FifoScheduler scheduler = new FifoScheduler();
  RMApplicationHistoryWriter writer = mock(RMApplicationHistoryWriter.class);
  RMContext rmContext = new RMContextImpl(dispatcher, null,
      null, null, null, null, null, null, null, writer, scheduler);
  ((RMContextImpl) rmContext).setSystemMetricsPublisher(
      mock(SystemMetricsPublisher.class));

  Configuration conf = new Configuration();
  scheduler.setRMContext(rmContext);
  scheduler.init(conf);
  scheduler.start();
  scheduler.reinitialize(conf, rmContext);
  QueueMetrics metrics = scheduler.getRootQueueMetrics();
  int beforeAppsSubmitted = metrics.getAppsSubmitted();

  ApplicationId appId = BuilderUtils.newApplicationId(200, 1);
  ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
      appId, 1);

  SchedulerEvent appEvent = new AppAddedSchedulerEvent(appId, "queue", "user");
  scheduler.handle(appEvent);
  SchedulerEvent attemptEvent =
      new AppAttemptAddedSchedulerEvent(appAttemptId, false);
  scheduler.handle(attemptEvent);

  appAttemptId = BuilderUtils.newApplicationAttemptId(appId, 2);
  SchedulerEvent attemptEvent2 =
      new AppAttemptAddedSchedulerEvent(appAttemptId, false);
  scheduler.handle(attemptEvent2);

  int afterAppsSubmitted = metrics.getAppsSubmitted();
  Assert.assertEquals(1, afterAppsSubmitted - beforeAppsSubmitted);
  scheduler.stop();
}
 

private static AppSchedulingInfo mockApp(String user) {
  AppSchedulingInfo app = mock(AppSchedulingInfo.class);
  when(app.getUser()).thenReturn(user);
  ApplicationId appId = BuilderUtils.newApplicationId(1, 1);
  ApplicationAttemptId id = BuilderUtils.newApplicationAttemptId(appId, 1);
  when(app.getApplicationAttemptId()).thenReturn(id);
  return app;
}
 

public MockApp(String user, long clusterTimeStamp, int uniqId) {
  super();
  this.user = user;
  // Add an application and the corresponding containers
  RecordFactory recordFactory = RecordFactoryProvider
      .getRecordFactory(new Configuration());
  this.appId = BuilderUtils.newApplicationId(recordFactory, clusterTimeStamp,
      uniqId);
  appState = ApplicationState.NEW;
}
 

@Test(timeout=20000)
public void testUpdateHeartbeatResponseForCleanup() {
  RMNodeImpl node = getRunningNode();
  NodeId nodeId = node.getNodeID();

  // Expire a container
ContainerId completedContainerId = BuilderUtils.newContainerId(
		BuilderUtils.newApplicationAttemptId(
				BuilderUtils.newApplicationId(0, 0), 0), 0);
  node.handle(new RMNodeCleanContainerEvent(nodeId, completedContainerId));
  Assert.assertEquals(1, node.getContainersToCleanUp().size());

  // Finish an application
  ApplicationId finishedAppId = BuilderUtils.newApplicationId(0, 1);
  node.handle(new RMNodeCleanAppEvent(nodeId, finishedAppId));
  Assert.assertEquals(1, node.getAppsToCleanup().size());

  // Verify status update does not clear containers/apps to cleanup
  // but updating heartbeat response for cleanup does
  RMNodeStatusEvent statusEvent = getMockRMNodeStatusEvent();
  node.handle(statusEvent);
  Assert.assertEquals(1, node.getContainersToCleanUp().size());
  Assert.assertEquals(1, node.getAppsToCleanup().size());
  NodeHeartbeatResponse hbrsp = Records.newRecord(NodeHeartbeatResponse.class);
  node.updateNodeHeartbeatResponseForCleanup(hbrsp);
  Assert.assertEquals(0, node.getContainersToCleanUp().size());
  Assert.assertEquals(0, node.getAppsToCleanup().size());
  Assert.assertEquals(1, hbrsp.getContainersToCleanup().size());
  Assert.assertEquals(completedContainerId, hbrsp.getContainersToCleanup().get(0));
  Assert.assertEquals(1, hbrsp.getApplicationsToCleanup().size());
  Assert.assertEquals(finishedAppId, hbrsp.getApplicationsToCleanup().get(0));
}
 

@Test(timeout=60000)
public void testAppRejectionWithCancelledDelegationToken() throws Exception {
  MyFS dfs = (MyFS)FileSystem.get(conf);
  LOG.info("dfs="+(Object)dfs.hashCode() + ";conf="+conf.hashCode());

  MyToken token = dfs.getDelegationToken("user1");
  token.cancelToken();

  Credentials ts = new Credentials();
  ts.addToken(token.getKind(), token);
  
  // register the tokens for renewal
  ApplicationId appId =  BuilderUtils.newApplicationId(0, 0);
  delegationTokenRenewer.addApplicationAsync(appId, ts, true, "user");
  int waitCnt = 20;
  while (waitCnt-- >0) {
    if (!eventQueue.isEmpty()) {
      Event evt = eventQueue.take();
      if (evt.getType() == RMAppEventType.APP_REJECTED) {
        Assert.assertTrue(
            ((RMAppEvent) evt).getApplicationId().equals(appId));
        return;
      }
    } else {
      Thread.sleep(500);
    }
  }
  fail("App submission with a cancelled token should have failed");
}
 

WrappedApplication(int id, long timestamp, String user, int numContainers) {
  Configuration conf = new Configuration();
  
  dispatcher = new DrainDispatcher();
  containerTokenIdentifierMap =
      new HashMap<ContainerId, ContainerTokenIdentifier>();
  dispatcher.init(conf);

  localizerBus = mock(EventHandler.class);
  launcherBus = mock(EventHandler.class);
  monitorBus = mock(EventHandler.class);
  auxBus = mock(EventHandler.class);
  containerBus = mock(EventHandler.class);
  logAggregationBus = mock(EventHandler.class);

  dispatcher.register(LocalizationEventType.class, localizerBus);
  dispatcher.register(ContainersLauncherEventType.class, launcherBus);
  dispatcher.register(ContainersMonitorEventType.class, monitorBus);
  dispatcher.register(AuxServicesEventType.class, auxBus);
  dispatcher.register(ContainerEventType.class, containerBus);
  dispatcher.register(LogHandlerEventType.class, logAggregationBus);

  nmTokenSecretMgr = mock(NMTokenSecretManagerInNM.class);

  context = mock(Context.class);
  
  when(context.getContainerTokenSecretManager()).thenReturn(
    new NMContainerTokenSecretManager(conf));
  when(context.getApplicationACLsManager()).thenReturn(
    new ApplicationACLsManager(conf));
  when(context.getNMTokenSecretManager()).thenReturn(nmTokenSecretMgr);
  
  // Setting master key
  MasterKey masterKey = new MasterKeyPBImpl();
  masterKey.setKeyId(123);
  masterKey.setBytes(ByteBuffer.wrap(new byte[] { (new Integer(123)
    .byteValue()) }));
  context.getContainerTokenSecretManager().setMasterKey(masterKey);
  
  this.user = user;
  this.appId = BuilderUtils.newApplicationId(timestamp, id);

  app = new ApplicationImpl(dispatcher, this.user, appId, null, context);
  containers = new ArrayList<Container>();
  for (int i = 0; i < numContainers; i++) {
    Container container = createMockedContainer(this.appId, i);
    containers.add(container);
    long currentTime = System.currentTimeMillis();
    ContainerTokenIdentifier identifier =
        new ContainerTokenIdentifier(container.getContainerId(), "", "",
          null, currentTime + 2000, masterKey.getKeyId(), currentTime,
          Priority.newInstance(0), 0);
    containerTokenIdentifierMap
      .put(identifier.getContainerID(), identifier);
    context.getContainerTokenSecretManager().startContainerSuccessful(
      identifier);
    Assert.assertFalse(context.getContainerTokenSecretManager()
      .isValidStartContainerRequest(identifier));
  }

  dispatcher.start();
}
 

private void verifyLocalFileDeletion(
    LogAggregationService logAggregationService) throws Exception {
  logAggregationService.init(this.conf);
  logAggregationService.start();

  ApplicationId application1 = BuilderUtils.newApplicationId(1234, 1);

  // AppLogDir should be created
  File app1LogDir =
      new File(localLogDir, ConverterUtils.toString(application1));
  app1LogDir.mkdir();
  logAggregationService
      .handle(new LogHandlerAppStartedEvent(
          application1, this.user, null,
          ContainerLogsRetentionPolicy.ALL_CONTAINERS, this.acls));

  ApplicationAttemptId appAttemptId =
      BuilderUtils.newApplicationAttemptId(application1, 1);
  ContainerId container11 = BuilderUtils.newContainerId(appAttemptId, 1);
  // Simulate log-file creation
  writeContainerLogs(app1LogDir, container11, new String[] { "stdout",
      "stderr", "syslog" });
  logAggregationService.handle(
      new LogHandlerContainerFinishedEvent(container11, 0));

  logAggregationService.handle(new LogHandlerAppFinishedEvent(
      application1));

  logAggregationService.stop();
  assertEquals(0, logAggregationService.getNumAggregators());
  // ensure filesystems were closed
  verify(logAggregationService).closeFileSystems(
      any(UserGroupInformation.class));
  verify(delSrvc).delete(eq(user), eq((Path) null),
    eq(new Path(app1LogDir.getAbsolutePath())));
  delSrvc.stop();
  
  String containerIdStr = ConverterUtils.toString(container11);
  File containerLogDir = new File(app1LogDir, containerIdStr);
  for (String fileType : new String[] { "stdout", "stderr", "syslog" }) {
    File f = new File(containerLogDir, fileType);
    Assert.assertFalse("check "+f, f.exists());
  }

  Assert.assertFalse(app1LogDir.exists());

  Path logFilePath =
      logAggregationService.getRemoteNodeLogFileForApp(application1,
          this.user);

  Assert.assertTrue("Log file [" + logFilePath + "] not found", new File(
      logFilePath.toUri().getPath()).exists());
  
  dispatcher.await();
  
  ApplicationEvent expectedEvents[] = new ApplicationEvent[]{
      new ApplicationEvent(
          appAttemptId.getApplicationId(),
          ApplicationEventType.APPLICATION_LOG_HANDLING_INITED),
      new ApplicationEvent(
          appAttemptId.getApplicationId(),
          ApplicationEventType.APPLICATION_LOG_HANDLING_FINISHED)
  };

  checkEvents(appEventHandler, expectedEvents, true, "getType",
      "getApplicationID");
}
 

@Test(timeout=30000)
public void testContainerLogDirs() throws IOException, YarnException {
  File absLogDir = new File("target",
    TestNMWebServer.class.getSimpleName() + "LogDir").getAbsoluteFile();
  String logdirwithFile = absLogDir.toURI().toString();
  Configuration conf = new Configuration();
  conf.set(YarnConfiguration.NM_LOG_DIRS, logdirwithFile);
  NodeHealthCheckerService healthChecker = new NodeHealthCheckerService();
  healthChecker.init(conf);
  LocalDirsHandlerService dirsHandler = healthChecker.getDiskHandler();
  NMContext nmContext = new NodeManager.NMContext(null, null, dirsHandler,
      new ApplicationACLsManager(conf), new NMNullStateStoreService(), null);
  // Add an application and the corresponding containers
  RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(conf);
  String user = "nobody";
  long clusterTimeStamp = 1234;
  ApplicationId appId = BuilderUtils.newApplicationId(recordFactory,
      clusterTimeStamp, 1);
  Application app = mock(Application.class);
  when(app.getUser()).thenReturn(user);
  when(app.getAppId()).thenReturn(appId);
  ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
      appId, 1);
  ContainerId container1 = BuilderUtils.newContainerId(recordFactory, appId,
      appAttemptId, 0);
  nmContext.getApplications().put(appId, app);

  MockContainer container =
      new MockContainer(appAttemptId, new AsyncDispatcher(), conf, user,
          appId, 1);
  container.setState(ContainerState.RUNNING);
  nmContext.getContainers().put(container1, container);   
  List<File> files = null;
  files = ContainerLogsUtils.getContainerLogDirs(container1, user, nmContext);
  Assert.assertTrue(!(files.get(0).toString().contains("file:")));
  
  // After container is completed, it is removed from nmContext
  nmContext.getContainers().remove(container1);
  Assert.assertNull(nmContext.getContainers().get(container1));
  files = ContainerLogsUtils.getContainerLogDirs(container1, user, nmContext);
  Assert.assertTrue(!(files.get(0).toString().contains("file:")));

  // Create a new context to check if correct container log dirs are fetched
  // on full disk.
  LocalDirsHandlerService dirsHandlerForFullDisk = spy(dirsHandler);
  // good log dirs are empty and nm log dir is in the full log dir list.
  when(dirsHandlerForFullDisk.getLogDirs()).
      thenReturn(new ArrayList<String>());
  when(dirsHandlerForFullDisk.getLogDirsForRead()).
      thenReturn(Arrays.asList(new String[] {absLogDir.getAbsolutePath()}));
  nmContext = new NodeManager.NMContext(null, null, dirsHandlerForFullDisk,
      new ApplicationACLsManager(conf), new NMNullStateStoreService(), null);
  nmContext.getApplications().put(appId, app);
  container.setState(ContainerState.RUNNING);
  nmContext.getContainers().put(container1, container);
  List<File> dirs =
      ContainerLogsUtils.getContainerLogDirs(container1, user, nmContext);
  File containerLogDir = new File(absLogDir, appId + "/" + container1);
  Assert.assertTrue(dirs.contains(containerLogDir));
}
 

@Test( timeout = 10000)
@SuppressWarnings("unchecked") // mocked generics
public void testLocalizerRunnerException() throws Exception {
  DrainDispatcher dispatcher = new DrainDispatcher();
  dispatcher.init(conf);
  dispatcher.start();
  EventHandler<ApplicationEvent> applicationBus = mock(EventHandler.class);
  dispatcher.register(ApplicationEventType.class, applicationBus);
  EventHandler<ContainerEvent> containerBus = mock(EventHandler.class);
  dispatcher.register(ContainerEventType.class, containerBus);

  ContainerExecutor exec = mock(ContainerExecutor.class);
  LocalDirsHandlerService dirsHandler = new LocalDirsHandlerService();
  LocalDirsHandlerService dirsHandlerSpy = spy(dirsHandler);
  dirsHandlerSpy.init(conf);

  DeletionService delServiceReal = new DeletionService(exec);
  DeletionService delService = spy(delServiceReal);
  delService.init(new Configuration());
  delService.start();

  ResourceLocalizationService rawService =
      new ResourceLocalizationService(dispatcher, exec, delService,
      dirsHandlerSpy, nmContext);
  ResourceLocalizationService spyService = spy(rawService);
  doReturn(mockServer).when(spyService).createServer();
  try {
    spyService.init(conf);
    spyService.start();

    // init application
    final Application app = mock(Application.class);
    final ApplicationId appId =
        BuilderUtils.newApplicationId(314159265358979L, 3);
    when(app.getUser()).thenReturn("user0");
    when(app.getAppId()).thenReturn(appId);
    spyService.handle(new ApplicationLocalizationEvent(
        LocalizationEventType.INIT_APPLICATION_RESOURCES, app));
    dispatcher.await();

    Random r = new Random();
    long seed = r.nextLong();
    System.out.println("SEED: " + seed);
    r.setSeed(seed);
    final Container c = getMockContainer(appId, 42, "user0");
    final LocalResource resource1 = getPrivateMockedResource(r);
    System.out.println("Here 4");
    
    final LocalResourceRequest req1 = new LocalResourceRequest(resource1);
    Map<LocalResourceVisibility, Collection<LocalResourceRequest>> rsrcs =
      new HashMap<LocalResourceVisibility, 
                  Collection<LocalResourceRequest>>();
    List<LocalResourceRequest> privateResourceList =
        new ArrayList<LocalResourceRequest>();
    privateResourceList.add(req1);
    rsrcs.put(LocalResourceVisibility.PRIVATE, privateResourceList);

    final Constructor<?>[] constructors =
        FSError.class.getDeclaredConstructors();
    constructors[0].setAccessible(true);
    FSError fsError =
        (FSError) constructors[0].newInstance(new IOException("Disk Error"));

    Mockito
      .doThrow(fsError)
      .when(dirsHandlerSpy)
      .getLocalPathForWrite(isA(String.class));
    spyService.handle(new ContainerLocalizationRequestEvent(c, rsrcs));
    Thread.sleep(1000);
    dispatcher.await();
    // Verify if ContainerResourceFailedEvent is invoked on FSError
    verify(containerBus).handle(isA(ContainerResourceFailedEvent.class));
  } finally {
    spyService.stop();
    dispatcher.stop();
    delService.stop();
  }
}
 

@Test
  public void testNMWebApp() throws IOException, YarnException {
    Context nmContext = new NodeManager.NMContext(null, null, null, null,
        null);
    ResourceView resourceView = new ResourceView() {
      @Override
      public long getVmemAllocatedForContainers() {
        return 0;
      }
      @Override
      public long getPmemAllocatedForContainers() {
        return 0;
      }
      @Override
      public long getVCoresAllocatedForContainers() {
        return 0;
      }
      @Override
      public long getGCoresAllocatedForContainers() {
        return 0;
      }
      @Override
      public boolean isVmemCheckEnabled() {
        return true;
      }
      @Override
      public boolean isPmemCheckEnabled() {
        return true;
      }
    };
    Configuration conf = new Configuration();
    conf.set(YarnConfiguration.NM_LOCAL_DIRS, testRootDir.getAbsolutePath());
    conf.set(YarnConfiguration.NM_LOG_DIRS, testLogDir.getAbsolutePath());
    NodeHealthCheckerService healthChecker = createNodeHealthCheckerService(conf);
    healthChecker.init(conf);
    LocalDirsHandlerService dirsHandler = healthChecker.getDiskHandler();

    WebServer server = new WebServer(nmContext, resourceView,
        new ApplicationACLsManager(conf), dirsHandler);
    server.init(conf);
    server.start();

    // Add an application and the corresponding containers
    RecordFactory recordFactory =
        RecordFactoryProvider.getRecordFactory(conf);
    Dispatcher dispatcher = new AsyncDispatcher();
    String user = "nobody";
    long clusterTimeStamp = 1234;
    ApplicationId appId =
        BuilderUtils.newApplicationId(recordFactory, clusterTimeStamp, 1);
    Application app = mock(Application.class);
    when(app.getUser()).thenReturn(user);
    when(app.getAppId()).thenReturn(appId);
    nmContext.getApplications().put(appId, app);
    ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
        appId, 1);
    ContainerId container1 =
        BuilderUtils.newContainerId(recordFactory, appId, appAttemptId, 0);
    ContainerId container2 =
        BuilderUtils.newContainerId(recordFactory, appId, appAttemptId, 1);
    NodeManagerMetrics metrics = mock(NodeManagerMetrics.class);
    NMStateStoreService stateStore = new NMNullStateStoreService();
    for (ContainerId containerId : new ContainerId[] { container1,
        container2}) {
      // TODO: Use builder utils
      ContainerLaunchContext launchContext =
          recordFactory.newRecordInstance(ContainerLaunchContext.class);
      long currentTime = System.currentTimeMillis();
      Token containerToken =
          BuilderUtils.newContainerToken(containerId, "127.0.0.1", 1234, user,
            BuilderUtils.newResource(1024, 1), currentTime + 10000L, 123,
            "password".getBytes(), currentTime);
      Container container =
          new ContainerImpl(conf, dispatcher, stateStore, launchContext,
            null, metrics,
            BuilderUtils.newContainerTokenIdentifier(containerToken)) {

            @Override
            public ContainerState getContainerState() {
              return ContainerState.RUNNING;
            };
          };
      nmContext.getContainers().put(containerId, container);
      //TODO: Gross hack. Fix in code.
      ApplicationId applicationId = 
          containerId.getApplicationAttemptId().getApplicationId();
      nmContext.getApplications().get(applicationId).getContainers()
          .put(containerId, container);
      writeContainerLogs(nmContext, containerId, dirsHandler);

    }
    // TODO: Pull logs and test contents.
//    Thread.sleep(1000000);
  }
 

public static ApplicationId queryIdToAppId(QueryId queryId) {
  return BuilderUtils.newApplicationId(Long.parseLong(queryId.getId()), queryId.getSeq());
}
 

@Test
public void testApplicationHeadRoom() 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();

  ApplicationId appId = BuilderUtils.newApplicationId(100, 1);
  ApplicationAttemptId appAttemptId =
      BuilderUtils.newApplicationAttemptId(appId, 1);

  RMAppAttemptMetrics attemptMetric =
      new RMAppAttemptMetrics(appAttemptId, rm.getRMContext());
  RMAppImpl app = mock(RMAppImpl.class);
  when(app.getApplicationId()).thenReturn(appId);
  RMAppAttemptImpl attempt = mock(RMAppAttemptImpl.class);
  when(attempt.getAppAttemptId()).thenReturn(appAttemptId);
  when(attempt.getRMAppAttemptMetrics()).thenReturn(attemptMetric);
  when(app.getCurrentAppAttempt()).thenReturn(attempt);

  rm.getRMContext().getRMApps().put(appId, app);

  SchedulerEvent addAppEvent =
      new AppAddedSchedulerEvent(appId, "default", "user");
  cs.handle(addAppEvent);
  SchedulerEvent addAttemptEvent =
      new AppAttemptAddedSchedulerEvent(appAttemptId, false);
  cs.handle(addAttemptEvent);

  Allocation allocate =
      cs.allocate(appAttemptId, Collections.<ResourceRequest> emptyList(),
          Collections.<ContainerId> emptyList(), null, null);

  Assert.assertNotNull(attempt);

  Assert
      .assertEquals(Resource.newInstance(0, 0), allocate.getResourceLimit());
  Assert.assertEquals(Resource.newInstance(0, 0),
      attemptMetric.getApplicationAttemptHeadroom());

  // Add a node to cluster
  Resource newResource = Resource.newInstance(4 * GB, 1);
  RMNode node = MockNodes.newNodeInfo(0, newResource, 1, "127.0.0.1");
  cs.handle(new NodeAddedSchedulerEvent(node));

  allocate =
      cs.allocate(appAttemptId, Collections.<ResourceRequest> emptyList(),
          Collections.<ContainerId> emptyList(), null, null);

  // All resources should be sent as headroom
  Assert.assertEquals(newResource, allocate.getResourceLimit());
  Assert.assertEquals(newResource,
      attemptMetric.getApplicationAttemptHeadroom());

  rm.stop();
}
 

@Test (timeout = 20000)
public void testAddNewTokenSentFromRMForLogAggregation() throws Exception {
  Configuration conf = new YarnConfiguration();
  conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION,
    "kerberos");
  UserGroupInformation.setConfiguration(conf);

  ApplicationId application1 = BuilderUtils.newApplicationId(1234, 1);
  Application mockApp = mock(Application.class);
  when(mockApp.getContainers()).thenReturn(
    new HashMap<ContainerId, Container>());
  this.context.getApplications().put(application1, mockApp);
  @SuppressWarnings("resource")
  LogAggregationService logAggregationService =
      new LogAggregationService(dispatcher, this.context, this.delSrvc,
        super.dirsHandler);
  logAggregationService.init(this.conf);
  logAggregationService.start();
  logAggregationService.handle(new LogHandlerAppStartedEvent(application1,
    this.user, null, ContainerLogsRetentionPolicy.ALL_CONTAINERS, this.acls,
    Records.newRecord(LogAggregationContext.class)));

  // Inject new token for log-aggregation after app log-aggregator init
  Text userText1 = new Text("user1");
  RMDelegationTokenIdentifier dtId1 =
      new RMDelegationTokenIdentifier(userText1, new Text("renewer1"),
        userText1);
  final Token<RMDelegationTokenIdentifier> token1 =
      new Token<RMDelegationTokenIdentifier>(dtId1.getBytes(),
        "password1".getBytes(), dtId1.getKind(), new Text("service1"));
  Credentials credentials = new Credentials();
  credentials.addToken(userText1, token1);
  this.context.getSystemCredentialsForApps().put(application1, credentials);

  logAggregationService.handle(new LogHandlerAppFinishedEvent(application1));

  final UserGroupInformation ugi =
      ((AppLogAggregatorImpl) logAggregationService.getAppLogAggregators()
        .get(application1)).getUgi();

  GenericTestUtils.waitFor(new Supplier<Boolean>() {
    public Boolean get() {
      boolean hasNewToken = false;
      for (Token<?> token : ugi.getCredentials().getAllTokens()) {
        if (token.equals(token1)) {
          hasNewToken = true;
        }
      }
      return hasNewToken;
    }
  }, 1000, 20000);
  logAggregationService.stop();
}
 

@Test
public void testNoContainerOnNode() throws Exception {
  this.conf.set(YarnConfiguration.NM_LOG_DIRS, localLogDir.getAbsolutePath());
  this.conf.set(YarnConfiguration.NM_REMOTE_APP_LOG_DIR,
      this.remoteRootLogDir.getAbsolutePath());
  
  LogAggregationService logAggregationService =
      new LogAggregationService(dispatcher, this.context, this.delSrvc,
                                super.dirsHandler);
  logAggregationService.init(this.conf);
  logAggregationService.start();

  ApplicationId application1 = BuilderUtils.newApplicationId(1234, 1);

  // AppLogDir should be created
  File app1LogDir =
    new File(localLogDir, ConverterUtils.toString(application1));
  app1LogDir.mkdir();
  logAggregationService
      .handle(new LogHandlerAppStartedEvent(
          application1, this.user, null,
          ContainerLogsRetentionPolicy.ALL_CONTAINERS, this.acls));

  logAggregationService.handle(new LogHandlerAppFinishedEvent(
      application1));

  logAggregationService.stop();
  assertEquals(0, logAggregationService.getNumAggregators());

  Assert.assertFalse(new File(logAggregationService
      .getRemoteNodeLogFileForApp(application1, this.user).toUri().getPath())
      .exists());

  dispatcher.await();
  
  ApplicationEvent expectedEvents[] = new ApplicationEvent[]{
      new ApplicationEvent(
          application1,
          ApplicationEventType.APPLICATION_LOG_HANDLING_INITED),
      new ApplicationEvent(
          application1,
          ApplicationEventType.APPLICATION_LOG_HANDLING_FINISHED)
  };
  checkEvents(appEventHandler, expectedEvents, true, "getType", "getApplicationID");
  logAggregationService.close();
}