Examples with AppContext org.apache.hadoop.mapreduce.v2.app.AppContext used on opensource projects

Example 61 with AppContext

use of org.apache.hadoop.mapreduce.v2.app.AppContext in project hadoop by apache.

the class TestTaskAttempt method createTaskAttemptImpl.

private TaskAttemptImpl createTaskAttemptImpl(MockEventHandler eventHandler) {
    ApplicationId appId = ApplicationId.newInstance(1, 2);
    ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(appId, 0);
    JobId jobId = MRBuilderUtils.newJobId(appId, 1);
    TaskId taskId = MRBuilderUtils.newTaskId(jobId, 1, TaskType.MAP);
    TaskAttemptId attemptId = MRBuilderUtils.newTaskAttemptId(taskId, 0);
    Path jobFile = mock(Path.class);
    TaskAttemptListener taListener = mock(TaskAttemptListener.class);
    when(taListener.getAddress()).thenReturn(new InetSocketAddress("localhost", 0));
    JobConf jobConf = new JobConf();
    jobConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class);
    jobConf.setBoolean("fs.file.impl.disable.cache", true);
    jobConf.set(JobConf.MAPRED_MAP_TASK_ENV, "");
    jobConf.set(MRJobConfig.APPLICATION_ATTEMPT_ID, "10");
    TaskSplitMetaInfo splits = mock(TaskSplitMetaInfo.class);
    when(splits.getLocations()).thenReturn(new String[] { "127.0.0.1" });
    AppContext appCtx = mock(AppContext.class);
    ClusterInfo clusterInfo = mock(ClusterInfo.class);
    when(appCtx.getClusterInfo()).thenReturn(clusterInfo);
    setupTaskAttemptFinishingMonitor(eventHandler, jobConf, appCtx);
    TaskAttemptImpl taImpl = new MapTaskAttemptImpl(taskId, 1, eventHandler, jobFile, 1, splits, jobConf, taListener, mock(Token.class), new Credentials(), SystemClock.getInstance(), appCtx);
    NodeId nid = NodeId.newInstance("127.0.0.1", 0);
    ContainerId contId = ContainerId.newInstance(appAttemptId, 3);
    Container container = mock(Container.class);
    when(container.getId()).thenReturn(contId);
    when(container.getNodeId()).thenReturn(nid);
    when(container.getNodeHttpAddress()).thenReturn("localhost:0");
    taImpl.handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_SCHEDULE));
    taImpl.handle(new TaskAttemptContainerAssignedEvent(attemptId, container, mock(Map.class)));
    taImpl.handle(new TaskAttemptContainerLaunchedEvent(attemptId, 0));
    return taImpl;
}

Example 62 with AppContext

use of org.apache.hadoop.mapreduce.v2.app.AppContext in project hadoop by apache.

the class TestCommitterEventHandler method testCommitWindow.

@Test
public void testCommitWindow() throws Exception {
    Configuration conf = new Configuration();
    conf.set(MRJobConfig.MR_AM_STAGING_DIR, stagingDir);
    AsyncDispatcher dispatcher = new AsyncDispatcher();
    dispatcher.init(conf);
    dispatcher.start();
    TestingJobEventHandler jeh = new TestingJobEventHandler();
    dispatcher.register(JobEventType.class, jeh);
    SystemClock clock = SystemClock.getInstance();
    AppContext appContext = mock(AppContext.class);
    ApplicationAttemptId attemptid = ApplicationAttemptId.fromString("appattempt_1234567890000_0001_0");
    when(appContext.getApplicationID()).thenReturn(attemptid.getApplicationId());
    when(appContext.getApplicationAttemptId()).thenReturn(attemptid);
    when(appContext.getEventHandler()).thenReturn(dispatcher.getEventHandler());
    when(appContext.getClock()).thenReturn(clock);
    OutputCommitter committer = mock(OutputCommitter.class);
    TestingRMHeartbeatHandler rmhh = new TestingRMHeartbeatHandler();
    CommitterEventHandler ceh = new CommitterEventHandler(appContext, committer, rmhh);
    ceh.init(conf);
    ceh.start();
    // verify trying to commit when RM heartbeats are stale does not commit
    ceh.handle(new CommitterJobCommitEvent(null, null));
    long timeToWaitMs = 5000;
    while (rmhh.getNumCallbacks() != 1 && timeToWaitMs > 0) {
        Thread.sleep(10);
        timeToWaitMs -= 10;
    }
    Assert.assertEquals("committer did not register a heartbeat callback", 1, rmhh.getNumCallbacks());
    verify(committer, never()).commitJob(any(JobContext.class));
    Assert.assertEquals("committer should not have committed", 0, jeh.numCommitCompletedEvents);
    // set a fresh heartbeat and verify commit completes
    rmhh.setLastHeartbeatTime(clock.getTime());
    timeToWaitMs = 5000;
    while (jeh.numCommitCompletedEvents != 1 && timeToWaitMs > 0) {
        Thread.sleep(10);
        timeToWaitMs -= 10;
    }
    Assert.assertEquals("committer did not complete commit after RM hearbeat", 1, jeh.numCommitCompletedEvents);
    verify(committer, times(1)).commitJob(any(JobContext.class));
    //Clean up so we can try to commit again (Don't do this at home)
    cleanup();
    // try to commit again and verify it goes through since the heartbeat
    // is still fresh
    ceh.handle(new CommitterJobCommitEvent(null, null));
    timeToWaitMs = 5000;
    while (jeh.numCommitCompletedEvents != 2 && timeToWaitMs > 0) {
        Thread.sleep(10);
        timeToWaitMs -= 10;
    }
    Assert.assertEquals("committer did not commit", 2, jeh.numCommitCompletedEvents);
    verify(committer, times(2)).commitJob(any(JobContext.class));
    ceh.stop();
    dispatcher.stop();
}

Example 63 with AppContext

use of org.apache.hadoop.mapreduce.v2.app.AppContext in project hadoop by apache.

the class TestCommitterEventHandler method testFailure.

@Test
public void testFailure() throws Exception {
    AppContext mockContext = mock(AppContext.class);
    OutputCommitter mockCommitter = mock(OutputCommitter.class);
    Clock mockClock = mock(Clock.class);
    CommitterEventHandler handler = new CommitterEventHandler(mockContext, mockCommitter, new TestingRMHeartbeatHandler());
    YarnConfiguration conf = new YarnConfiguration();
    conf.set(MRJobConfig.MR_AM_STAGING_DIR, stagingDir);
    JobContext mockJobContext = mock(JobContext.class);
    ApplicationAttemptId attemptid = ApplicationAttemptId.fromString("appattempt_1234567890000_0001_0");
    JobId jobId = TypeConverter.toYarn(TypeConverter.fromYarn(attemptid.getApplicationId()));
    WaitForItHandler waitForItHandler = new WaitForItHandler();
    when(mockContext.getApplicationID()).thenReturn(attemptid.getApplicationId());
    when(mockContext.getApplicationAttemptId()).thenReturn(attemptid);
    when(mockContext.getEventHandler()).thenReturn(waitForItHandler);
    when(mockContext.getClock()).thenReturn(mockClock);
    doThrow(new YarnRuntimeException("Intentional Failure")).when(mockCommitter).commitJob(any(JobContext.class));
    handler.init(conf);
    handler.start();
    try {
        handler.handle(new CommitterJobCommitEvent(jobId, mockJobContext));
        String user = UserGroupInformation.getCurrentUser().getShortUserName();
        Path startCommitFile = MRApps.getStartJobCommitFile(conf, user, jobId);
        Path endCommitSuccessFile = MRApps.getEndJobCommitSuccessFile(conf, user, jobId);
        Path endCommitFailureFile = MRApps.getEndJobCommitFailureFile(conf, user, jobId);
        Event e = waitForItHandler.getAndClearEvent();
        assertNotNull(e);
        assertTrue(e instanceof JobCommitFailedEvent);
        FileSystem fs = FileSystem.get(conf);
        assertTrue(fs.exists(startCommitFile));
        assertFalse(fs.exists(endCommitSuccessFile));
        assertTrue(fs.exists(endCommitFailureFile));
        verify(mockCommitter).commitJob(any(JobContext.class));
    } finally {
        handler.stop();
    }
}

Example 64 with AppContext

use of org.apache.hadoop.mapreduce.v2.app.AppContext in project hadoop by apache.

the class TestJobImpl method createRunningStubbedJob.

private static StubbedJob createRunningStubbedJob(Configuration conf, Dispatcher dispatcher, int numSplits, AppContext appContext) {
    StubbedJob job = createStubbedJob(conf, dispatcher, numSplits, appContext);
    job.handle(new JobEvent(job.getID(), JobEventType.JOB_INIT));
    assertJobState(job, JobStateInternal.INITED);
    job.handle(new JobStartEvent(job.getID()));
    assertJobState(job, JobStateInternal.RUNNING);
    return job;
}

Example 65 with AppContext

use of org.apache.hadoop.mapreduce.v2.app.AppContext in project hadoop by apache.

the class TestMRApp method testContainerPassThrough.

@Test
public void testContainerPassThrough() throws Exception {
    MRApp app = new MRApp(0, 1, true, this.getClass().getName(), true) {

        @Override
        protected ContainerLauncher createContainerLauncher(AppContext context) {
            return new MockContainerLauncher() {

                @Override
                public void handle(ContainerLauncherEvent event) {
                    if (event instanceof ContainerRemoteLaunchEvent) {
                        containerObtainedByContainerLauncher = ((ContainerRemoteLaunchEvent) event).getAllocatedContainer();
                    }
                    super.handle(event);
                }
            };
        }

        ;
    };
    Job job = app.submit(new Configuration());
    app.waitForState(job, JobState.SUCCEEDED);
    app.verifyCompleted();
    Collection<Task> tasks = job.getTasks().values();
    Collection<TaskAttempt> taskAttempts = tasks.iterator().next().getAttempts().values();
    TaskAttemptImpl taskAttempt = (TaskAttemptImpl) taskAttempts.iterator().next();
    // Container from RM should pass through to the launcher. Container object
    // should be the same.
    Assert.assertTrue(taskAttempt.container == containerObtainedByContainerLauncher);
}