Examples with ApplicationLocalizationEvent org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ApplicationLocalizationEvent used on opensource projects

Example 11 with ApplicationLocalizationEvent

use of org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ApplicationLocalizationEvent in project hadoop by apache.

the class TestResourceLocalizationService method testRecovery.

@Test
// mocked generics
@SuppressWarnings("unchecked")
public void testRecovery() throws Exception {
    final String user1 = "user1";
    final String user2 = "user2";
    final ApplicationId appId1 = ApplicationId.newInstance(1, 1);
    final ApplicationId appId2 = ApplicationId.newInstance(1, 2);
    List<Path> localDirs = new ArrayList<Path>();
    String[] sDirs = new String[4];
    for (int i = 0; i < 4; ++i) {
        localDirs.add(lfs.makeQualified(new Path(basedir, i + "")));
        sDirs[i] = localDirs.get(i).toString();
    }
    conf.setStrings(YarnConfiguration.NM_LOCAL_DIRS, sDirs);
    conf.setBoolean(YarnConfiguration.NM_RECOVERY_ENABLED, true);
    NMMemoryStateStoreService stateStore = new NMMemoryStateStoreService();
    stateStore.init(conf);
    stateStore.start();
    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);
    //Ignore actual localization
    EventHandler<LocalizerEvent> localizerBus = mock(EventHandler.class);
    dispatcher.register(LocalizerEventType.class, localizerBus);
    LocalDirsHandlerService dirsHandler = new LocalDirsHandlerService();
    dirsHandler.init(conf);
    ResourceLocalizationService spyService = createSpyService(dispatcher, dirsHandler, stateStore);
    try {
        spyService.init(conf);
        spyService.start();
        final Application app1 = mock(Application.class);
        when(app1.getUser()).thenReturn(user1);
        when(app1.getAppId()).thenReturn(appId1);
        final Application app2 = mock(Application.class);
        when(app2.getUser()).thenReturn(user2);
        when(app2.getAppId()).thenReturn(appId2);
        spyService.handle(new ApplicationLocalizationEvent(LocalizationEventType.INIT_APPLICATION_RESOURCES, app1));
        spyService.handle(new ApplicationLocalizationEvent(LocalizationEventType.INIT_APPLICATION_RESOURCES, app2));
        dispatcher.await();
        //Get a handle on the trackers after they're setup with INIT_APP_RESOURCES
        LocalResourcesTracker appTracker1 = spyService.getLocalResourcesTracker(LocalResourceVisibility.APPLICATION, user1, appId1);
        LocalResourcesTracker privTracker1 = spyService.getLocalResourcesTracker(LocalResourceVisibility.PRIVATE, user1, null);
        LocalResourcesTracker appTracker2 = spyService.getLocalResourcesTracker(LocalResourceVisibility.APPLICATION, user2, appId2);
        LocalResourcesTracker pubTracker = spyService.getLocalResourcesTracker(LocalResourceVisibility.PUBLIC, null, null);
        // init containers
        final Container c1 = getMockContainer(appId1, 1, user1);
        final Container c2 = getMockContainer(appId2, 2, user2);
        // init resources
        Random r = new Random();
        long seed = r.nextLong();
        System.out.println("SEED: " + seed);
        r.setSeed(seed);
        // Send localization requests of each type.
        final LocalResource privResource1 = getPrivateMockedResource(r);
        final LocalResourceRequest privReq1 = new LocalResourceRequest(privResource1);
        final LocalResource privResource2 = getPrivateMockedResource(r);
        final LocalResourceRequest privReq2 = new LocalResourceRequest(privResource2);
        final LocalResource pubResource1 = getPublicMockedResource(r);
        final LocalResourceRequest pubReq1 = new LocalResourceRequest(pubResource1);
        final LocalResource pubResource2 = getPublicMockedResource(r);
        final LocalResourceRequest pubReq2 = new LocalResourceRequest(pubResource2);
        final LocalResource appResource1 = getAppMockedResource(r);
        final LocalResourceRequest appReq1 = new LocalResourceRequest(appResource1);
        final LocalResource appResource2 = getAppMockedResource(r);
        final LocalResourceRequest appReq2 = new LocalResourceRequest(appResource2);
        final LocalResource appResource3 = getAppMockedResource(r);
        final LocalResourceRequest appReq3 = new LocalResourceRequest(appResource3);
        Map<LocalResourceVisibility, Collection<LocalResourceRequest>> req1 = new HashMap<LocalResourceVisibility, Collection<LocalResourceRequest>>();
        req1.put(LocalResourceVisibility.PRIVATE, Arrays.asList(new LocalResourceRequest[] { privReq1, privReq2 }));
        req1.put(LocalResourceVisibility.PUBLIC, Collections.singletonList(pubReq1));
        req1.put(LocalResourceVisibility.APPLICATION, Collections.singletonList(appReq1));
        Map<LocalResourceVisibility, Collection<LocalResourceRequest>> req2 = new HashMap<LocalResourceVisibility, Collection<LocalResourceRequest>>();
        req2.put(LocalResourceVisibility.APPLICATION, Arrays.asList(new LocalResourceRequest[] { appReq2, appReq3 }));
        req2.put(LocalResourceVisibility.PUBLIC, Collections.singletonList(pubReq2));
        // Send Request event
        spyService.handle(new ContainerLocalizationRequestEvent(c1, req1));
        spyService.handle(new ContainerLocalizationRequestEvent(c2, req2));
        dispatcher.await();
        // Simulate start of localization for all resources
        privTracker1.getPathForLocalization(privReq1, dirsHandler.getLocalPathForWrite(ContainerLocalizer.USERCACHE + user1), null);
        privTracker1.getPathForLocalization(privReq2, dirsHandler.getLocalPathForWrite(ContainerLocalizer.USERCACHE + user1), null);
        LocalizedResource privLr1 = privTracker1.getLocalizedResource(privReq1);
        LocalizedResource privLr2 = privTracker1.getLocalizedResource(privReq2);
        appTracker1.getPathForLocalization(appReq1, dirsHandler.getLocalPathForWrite(ContainerLocalizer.APPCACHE + appId1), null);
        LocalizedResource appLr1 = appTracker1.getLocalizedResource(appReq1);
        appTracker2.getPathForLocalization(appReq2, dirsHandler.getLocalPathForWrite(ContainerLocalizer.APPCACHE + appId2), null);
        LocalizedResource appLr2 = appTracker2.getLocalizedResource(appReq2);
        appTracker2.getPathForLocalization(appReq3, dirsHandler.getLocalPathForWrite(ContainerLocalizer.APPCACHE + appId2), null);
        LocalizedResource appLr3 = appTracker2.getLocalizedResource(appReq3);
        pubTracker.getPathForLocalization(pubReq1, dirsHandler.getLocalPathForWrite(ContainerLocalizer.FILECACHE), null);
        LocalizedResource pubLr1 = pubTracker.getLocalizedResource(pubReq1);
        pubTracker.getPathForLocalization(pubReq2, dirsHandler.getLocalPathForWrite(ContainerLocalizer.FILECACHE), null);
        LocalizedResource pubLr2 = pubTracker.getLocalizedResource(pubReq2);
        // Simulate completion of localization for most resources with
        // possibly different sizes than in the request
        assertNotNull("Localization not started", privLr1.getLocalPath());
        privTracker1.handle(new ResourceLocalizedEvent(privReq1, privLr1.getLocalPath(), privLr1.getSize() + 5));
        assertNotNull("Localization not started", privLr2.getLocalPath());
        privTracker1.handle(new ResourceLocalizedEvent(privReq2, privLr2.getLocalPath(), privLr2.getSize() + 10));
        assertNotNull("Localization not started", appLr1.getLocalPath());
        appTracker1.handle(new ResourceLocalizedEvent(appReq1, appLr1.getLocalPath(), appLr1.getSize()));
        assertNotNull("Localization not started", appLr3.getLocalPath());
        appTracker2.handle(new ResourceLocalizedEvent(appReq3, appLr3.getLocalPath(), appLr3.getSize() + 7));
        assertNotNull("Localization not started", pubLr1.getLocalPath());
        pubTracker.handle(new ResourceLocalizedEvent(pubReq1, pubLr1.getLocalPath(), pubLr1.getSize() + 1000));
        assertNotNull("Localization not started", pubLr2.getLocalPath());
        pubTracker.handle(new ResourceLocalizedEvent(pubReq2, pubLr2.getLocalPath(), pubLr2.getSize() + 99999));
        dispatcher.await();
        assertEquals(ResourceState.LOCALIZED, privLr1.getState());
        assertEquals(ResourceState.LOCALIZED, privLr2.getState());
        assertEquals(ResourceState.LOCALIZED, appLr1.getState());
        assertEquals(ResourceState.DOWNLOADING, appLr2.getState());
        assertEquals(ResourceState.LOCALIZED, appLr3.getState());
        assertEquals(ResourceState.LOCALIZED, pubLr1.getState());
        assertEquals(ResourceState.LOCALIZED, pubLr2.getState());
        // restart and recover
        spyService = createSpyService(dispatcher, dirsHandler, stateStore);
        spyService.init(conf);
        spyService.recoverLocalizedResources(stateStore.loadLocalizationState());
        dispatcher.await();
        appTracker1 = spyService.getLocalResourcesTracker(LocalResourceVisibility.APPLICATION, user1, appId1);
        privTracker1 = spyService.getLocalResourcesTracker(LocalResourceVisibility.PRIVATE, user1, null);
        appTracker2 = spyService.getLocalResourcesTracker(LocalResourceVisibility.APPLICATION, user2, appId2);
        pubTracker = spyService.getLocalResourcesTracker(LocalResourceVisibility.PUBLIC, null, null);
        LocalizedResource recoveredRsrc = privTracker1.getLocalizedResource(privReq1);
        assertEquals(privReq1, recoveredRsrc.getRequest());
        assertEquals(privLr1.getLocalPath(), recoveredRsrc.getLocalPath());
        assertEquals(privLr1.getSize(), recoveredRsrc.getSize());
        assertEquals(ResourceState.LOCALIZED, recoveredRsrc.getState());
        recoveredRsrc = privTracker1.getLocalizedResource(privReq2);
        assertEquals(privReq2, recoveredRsrc.getRequest());
        assertEquals(privLr2.getLocalPath(), recoveredRsrc.getLocalPath());
        assertEquals(privLr2.getSize(), recoveredRsrc.getSize());
        assertEquals(ResourceState.LOCALIZED, recoveredRsrc.getState());
        recoveredRsrc = appTracker1.getLocalizedResource(appReq1);
        assertEquals(appReq1, recoveredRsrc.getRequest());
        assertEquals(appLr1.getLocalPath(), recoveredRsrc.getLocalPath());
        assertEquals(appLr1.getSize(), recoveredRsrc.getSize());
        assertEquals(ResourceState.LOCALIZED, recoveredRsrc.getState());
        recoveredRsrc = appTracker2.getLocalizedResource(appReq2);
        assertNull("in-progress resource should not be present", recoveredRsrc);
        recoveredRsrc = appTracker2.getLocalizedResource(appReq3);
        assertEquals(appReq3, recoveredRsrc.getRequest());
        assertEquals(appLr3.getLocalPath(), recoveredRsrc.getLocalPath());
        assertEquals(appLr3.getSize(), recoveredRsrc.getSize());
        assertEquals(ResourceState.LOCALIZED, recoveredRsrc.getState());
    } finally {
        dispatcher.stop();
        stateStore.close();
    }
}

Example 12 with ApplicationLocalizationEvent

use of org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ApplicationLocalizationEvent in project hadoop by apache.

the class TestApplication method testAppFinishedOnRunningContainers.

@Test
@SuppressWarnings("unchecked")
public void testAppFinishedOnRunningContainers() {
    WrappedApplication wa = null;
    try {
        wa = new WrappedApplication(4, 314159265358979L, "yak", 3);
        wa.initApplication();
        wa.initContainer(-1);
        assertEquals(ApplicationState.INITING, wa.app.getApplicationState());
        wa.applicationInited();
        assertEquals(ApplicationState.RUNNING, wa.app.getApplicationState());
        wa.containerFinished(0);
        assertEquals(ApplicationState.RUNNING, wa.app.getApplicationState());
        assertEquals(2, wa.app.getContainers().size());
        wa.appFinished();
        assertEquals(ApplicationState.FINISHING_CONTAINERS_WAIT, wa.app.getApplicationState());
        assertEquals(2, wa.app.getContainers().size());
        for (int i = 1; i < wa.containers.size(); i++) {
            verify(wa.containerBus).handle(argThat(new ContainerKillMatcher(wa.containers.get(i).getContainerId())));
        }
        wa.containerFinished(1);
        assertEquals(ApplicationState.FINISHING_CONTAINERS_WAIT, wa.app.getApplicationState());
        assertEquals(1, wa.app.getContainers().size());
        reset(wa.localizerBus);
        wa.containerFinished(2);
        // All containers finished. Cleanup should be called.
        assertEquals(ApplicationState.APPLICATION_RESOURCES_CLEANINGUP, wa.app.getApplicationState());
        assertEquals(0, wa.app.getContainers().size());
        verify(wa.localizerBus).handle(refEq(new ApplicationLocalizationEvent(LocalizationEventType.DESTROY_APPLICATION_RESOURCES, wa.app)));
        verify(wa.auxBus).handle(refEq(new AuxServicesEvent(AuxServicesEventType.APPLICATION_STOP, wa.appId)));
        wa.appResourcesCleanedup();
        for (Container container : wa.containers) {
            ContainerTokenIdentifier identifier = wa.getContainerTokenIdentifier(container.getContainerId());
            waitForContainerTokenToExpire(identifier);
            Assert.assertTrue(wa.context.getContainerTokenSecretManager().isValidStartContainerRequest(identifier));
        }
        assertEquals(ApplicationState.FINISHED, wa.app.getApplicationState());
    } finally {
        if (wa != null)
            wa.finished();
    }
}

Example 13 with ApplicationLocalizationEvent

use of org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ApplicationLocalizationEvent in project hadoop by apache.

the class TestApplication method testAppFinishedOnCompletedContainers.

@Test
@SuppressWarnings("unchecked")
public void testAppFinishedOnCompletedContainers() {
    WrappedApplication wa = null;
    try {
        wa = new WrappedApplication(5, 314159265358979L, "yak", 3);
        wa.initApplication();
        wa.initContainer(-1);
        assertEquals(ApplicationState.INITING, wa.app.getApplicationState());
        wa.applicationInited();
        assertEquals(ApplicationState.RUNNING, wa.app.getApplicationState());
        reset(wa.localizerBus);
        wa.containerFinished(0);
        wa.containerFinished(1);
        wa.containerFinished(2);
        assertEquals(ApplicationState.RUNNING, wa.app.getApplicationState());
        assertEquals(0, wa.app.getContainers().size());
        wa.appFinished();
        assertEquals(ApplicationState.APPLICATION_RESOURCES_CLEANINGUP, wa.app.getApplicationState());
        verify(wa.localizerBus).handle(refEq(new ApplicationLocalizationEvent(LocalizationEventType.DESTROY_APPLICATION_RESOURCES, wa.app)));
        wa.appResourcesCleanedup();
        for (Container container : wa.containers) {
            ContainerTokenIdentifier identifier = wa.getContainerTokenIdentifier(container.getContainerId());
            waitForContainerTokenToExpire(identifier);
            Assert.assertTrue(wa.context.getContainerTokenSecretManager().isValidStartContainerRequest(identifier));
        }
        assertEquals(ApplicationState.FINISHED, wa.app.getApplicationState());
    } finally {
        if (wa != null)
            wa.finished();
    }
}

Example 14 with ApplicationLocalizationEvent

use of org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ApplicationLocalizationEvent in project hadoop by apache.

the class TestResourceLocalizationService method testLocalizerHeartbeatWhenAppCleaningUp.

@Test(timeout = 20000)
@SuppressWarnings("unchecked")
public void testLocalizerHeartbeatWhenAppCleaningUp() throws Exception {
    conf.set(YarnConfiguration.NM_LOCAL_DIRS, lfs.makeQualified(new Path(basedir, 0 + "")).toString());
    // Start dispatcher.
    DrainDispatcher dispatcher = new DrainDispatcher();
    dispatcher.init(conf);
    dispatcher.start();
    dispatcher.register(ApplicationEventType.class, mock(EventHandler.class));
    dispatcher.register(ContainerEventType.class, mock(EventHandler.class));
    DummyExecutor exec = new DummyExecutor();
    LocalDirsHandlerService dirsHandler = new LocalDirsHandlerService();
    dirsHandler.init(conf);
    // Start resource localization service.
    ResourceLocalizationService rawService = new ResourceLocalizationService(dispatcher, exec, mock(DeletionService.class), dirsHandler, nmContext);
    ResourceLocalizationService spyService = spy(rawService);
    doReturn(mockServer).when(spyService).createServer();
    doReturn(lfs).when(spyService).getLocalFileContext(isA(Configuration.class));
    try {
        spyService.init(conf);
        spyService.start();
        // Init application resources.
        final Application app = mock(Application.class);
        final ApplicationId appId = BuilderUtils.newApplicationId(1234567890L, 3);
        when(app.getUser()).thenReturn("user0");
        when(app.getAppId()).thenReturn(appId);
        when(app.toString()).thenReturn(appId.toString());
        spyService.handle(new ApplicationLocalizationEvent(LocalizationEventType.INIT_APPLICATION_RESOURCES, app));
        dispatcher.await();
        // Initialize localizer.
        Random r = new Random();
        long seed = r.nextLong();
        System.out.println("SEED: " + seed);
        r.setSeed(seed);
        final Container c = getMockContainer(appId, 46, "user0");
        FSDataOutputStream out = new FSDataOutputStream(new DataOutputBuffer(), null);
        doReturn(out).when(spylfs).createInternal(isA(Path.class), isA(EnumSet.class), isA(FsPermission.class), anyInt(), anyShort(), anyLong(), isA(Progressable.class), isA(ChecksumOpt.class), anyBoolean());
        final LocalResource resource1 = getAppMockedResource(r);
        final LocalResource resource2 = getAppMockedResource(r);
        // Send localization requests for container.
        // 2 resources generated with APPLICATION visibility.
        final LocalResourceRequest req1 = new LocalResourceRequest(resource1);
        final LocalResourceRequest req2 = new LocalResourceRequest(resource2);
        Map<LocalResourceVisibility, Collection<LocalResourceRequest>> rsrcs = new HashMap<LocalResourceVisibility, Collection<LocalResourceRequest>>();
        List<LocalResourceRequest> appResourceList = Arrays.asList(req1, req2);
        rsrcs.put(LocalResourceVisibility.APPLICATION, appResourceList);
        spyService.handle(new ContainerLocalizationRequestEvent(c, rsrcs));
        dispatcher.await();
        // Wait for localization to begin.
        exec.waitForLocalizers(1);
        final String containerIdStr = c.getContainerId().toString();
        LocalizerRunner locRunnerForContainer = spyService.getLocalizerRunner(containerIdStr);
        // Heartbeats from container localizer
        LocalResourceStatus rsrcSuccess = mock(LocalResourceStatus.class);
        LocalizerStatus stat = mock(LocalizerStatus.class);
        when(stat.getLocalizerId()).thenReturn(containerIdStr);
        when(rsrcSuccess.getResource()).thenReturn(resource1);
        when(rsrcSuccess.getLocalSize()).thenReturn(4344L);
        when(rsrcSuccess.getLocalPath()).thenReturn(getPath("/some/path"));
        when(rsrcSuccess.getStatus()).thenReturn(ResourceStatusType.FETCH_SUCCESS);
        when(stat.getResources()).thenReturn(Collections.<LocalResourceStatus>emptyList());
        // First heartbeat which schedules first resource.
        LocalizerHeartbeatResponse response = spyService.heartbeat(stat);
        assertEquals("NM should tell localizer to be LIVE in Heartbeat.", LocalizerAction.LIVE, response.getLocalizerAction());
        // Cleanup application.
        spyService.handle(new ContainerLocalizationCleanupEvent(c, rsrcs));
        spyService.handle(new ApplicationLocalizationEvent(LocalizationEventType.DESTROY_APPLICATION_RESOURCES, app));
        dispatcher.await();
        try {
            // Directly send heartbeat to introduce race as app is being cleaned up.
            locRunnerForContainer.processHeartbeat(Collections.singletonList(rsrcSuccess));
        } catch (Exception e) {
            fail("Exception should not have been thrown on processing heartbeat");
        }
        // Send another heartbeat.
        response = spyService.heartbeat(stat);
        assertEquals("NM should tell localizer to DIE in Heartbeat.", LocalizerAction.DIE, response.getLocalizerAction());
        exec.setStopLocalization();
    } finally {
        spyService.stop();
        dispatcher.stop();
    }
}

Example 15 with ApplicationLocalizationEvent

use of org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ApplicationLocalizationEvent in project hadoop by apache.

the class TestResourceLocalizationService method testLocalizationHeartbeat.

@Test(timeout = 10000)
// mocked generics
@SuppressWarnings("unchecked")
public void testLocalizationHeartbeat() throws Exception {
    List<Path> localDirs = new ArrayList<Path>();
    String[] sDirs = new String[1];
    // Making sure that we have only one local disk so that it will only be
    // selected for consecutive resource localization calls.  This is required
    // to test LocalCacheDirectoryManager.
    localDirs.add(lfs.makeQualified(new Path(basedir, 0 + "")));
    sDirs[0] = localDirs.get(0).toString();
    conf.setStrings(YarnConfiguration.NM_LOCAL_DIRS, sDirs);
    // Adding configuration to make sure there is only one file per
    // directory
    conf.set(YarnConfiguration.NM_LOCAL_CACHE_MAX_FILES_PER_DIRECTORY, "37");
    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();
    dirsHandler.init(conf);
    DeletionService delServiceReal = new DeletionService(exec);
    DeletionService delService = spy(delServiceReal);
    delService.init(new Configuration());
    delService.start();
    ResourceLocalizationService rawService = new ResourceLocalizationService(dispatcher, exec, delService, dirsHandler, nmContext);
    ResourceLocalizationService spyService = spy(rawService);
    doReturn(mockServer).when(spyService).createServer();
    doReturn(lfs).when(spyService).getLocalFileContext(isA(Configuration.class));
    FsPermission defaultPermission = FsPermission.getDirDefault().applyUMask(lfs.getUMask());
    FsPermission nmPermission = ResourceLocalizationService.NM_PRIVATE_PERM.applyUMask(lfs.getUMask());
    final Path userDir = new Path(sDirs[0].substring("file:".length()), ContainerLocalizer.USERCACHE);
    final Path fileDir = new Path(sDirs[0].substring("file:".length()), ContainerLocalizer.FILECACHE);
    final Path sysDir = new Path(sDirs[0].substring("file:".length()), ResourceLocalizationService.NM_PRIVATE_DIR);
    final FileStatus fs = new FileStatus(0, true, 1, 0, System.currentTimeMillis(), 0, defaultPermission, "", "", new Path(sDirs[0]));
    final FileStatus nmFs = new FileStatus(0, true, 1, 0, System.currentTimeMillis(), 0, nmPermission, "", "", sysDir);
    doAnswer(new Answer<FileStatus>() {

        @Override
        public FileStatus answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            if (args.length > 0) {
                if (args[0].equals(userDir) || args[0].equals(fileDir)) {
                    return fs;
                }
            }
            return nmFs;
        }
    }).when(spylfs).getFileStatus(isA(Path.class));
    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));
        ArgumentMatcher<ApplicationEvent> matchesAppInit = new ArgumentMatcher<ApplicationEvent>() {

            @Override
            public boolean matches(Object o) {
                ApplicationEvent evt = (ApplicationEvent) o;
                return evt.getType() == ApplicationEventType.APPLICATION_INITED && appId == evt.getApplicationID();
            }
        };
        dispatcher.await();
        verify(applicationBus).handle(argThat(matchesAppInit));
        // init container rsrc, localizer
        Random r = new Random();
        long seed = r.nextLong();
        System.out.println("SEED: " + seed);
        r.setSeed(seed);
        final Container c = getMockContainer(appId, 42, "user0");
        FSDataOutputStream out = new FSDataOutputStream(new DataOutputBuffer(), null);
        doReturn(out).when(spylfs).createInternal(isA(Path.class), isA(EnumSet.class), isA(FsPermission.class), anyInt(), anyShort(), anyLong(), isA(Progressable.class), isA(ChecksumOpt.class), anyBoolean());
        final LocalResource resource1 = getPrivateMockedResource(r);
        LocalResource resource2 = null;
        do {
            resource2 = getPrivateMockedResource(r);
        } while (resource2 == null || resource2.equals(resource1));
        LocalResource resource3 = null;
        do {
            resource3 = getPrivateMockedResource(r);
        } while (resource3 == null || resource3.equals(resource1) || resource3.equals(resource2));
        // above call to make sure we don't get identical resources.
        final LocalResourceRequest req1 = new LocalResourceRequest(resource1);
        final LocalResourceRequest req2 = new LocalResourceRequest(resource2);
        final LocalResourceRequest req3 = new LocalResourceRequest(resource3);
        Map<LocalResourceVisibility, Collection<LocalResourceRequest>> rsrcs = new HashMap<LocalResourceVisibility, Collection<LocalResourceRequest>>();
        List<LocalResourceRequest> privateResourceList = new ArrayList<LocalResourceRequest>();
        privateResourceList.add(req1);
        privateResourceList.add(req2);
        privateResourceList.add(req3);
        rsrcs.put(LocalResourceVisibility.PRIVATE, privateResourceList);
        spyService.handle(new ContainerLocalizationRequestEvent(c, rsrcs));
        // Sigh. Thread init of private localizer not accessible
        Thread.sleep(1000);
        dispatcher.await();
        String appStr = appId.toString();
        String ctnrStr = c.getContainerId().toString();
        ArgumentCaptor<LocalizerStartContext> contextCaptor = ArgumentCaptor.forClass(LocalizerStartContext.class);
        verify(exec).startLocalizer(contextCaptor.capture());
        LocalizerStartContext context = contextCaptor.getValue();
        Path localizationTokenPath = context.getNmPrivateContainerTokens();
        assertEquals("user0", context.getUser());
        assertEquals(appStr, context.getAppId());
        assertEquals(ctnrStr, context.getLocId());
        // heartbeat from localizer
        LocalResourceStatus rsrc1success = mock(LocalResourceStatus.class);
        LocalResourceStatus rsrc2pending = mock(LocalResourceStatus.class);
        LocalResourceStatus rsrc2success = mock(LocalResourceStatus.class);
        LocalResourceStatus rsrc3success = mock(LocalResourceStatus.class);
        LocalizerStatus stat = mock(LocalizerStatus.class);
        when(stat.getLocalizerId()).thenReturn(ctnrStr);
        when(rsrc1success.getResource()).thenReturn(resource1);
        when(rsrc2pending.getResource()).thenReturn(resource2);
        when(rsrc2success.getResource()).thenReturn(resource2);
        when(rsrc3success.getResource()).thenReturn(resource3);
        when(rsrc1success.getLocalSize()).thenReturn(4344L);
        when(rsrc2success.getLocalSize()).thenReturn(2342L);
        when(rsrc3success.getLocalSize()).thenReturn(5345L);
        URL locPath = getPath("/cache/private/blah");
        when(rsrc1success.getLocalPath()).thenReturn(locPath);
        when(rsrc2success.getLocalPath()).thenReturn(locPath);
        when(rsrc3success.getLocalPath()).thenReturn(locPath);
        when(rsrc1success.getStatus()).thenReturn(ResourceStatusType.FETCH_SUCCESS);
        when(rsrc2pending.getStatus()).thenReturn(ResourceStatusType.FETCH_PENDING);
        when(rsrc2success.getStatus()).thenReturn(ResourceStatusType.FETCH_SUCCESS);
        when(rsrc3success.getStatus()).thenReturn(ResourceStatusType.FETCH_SUCCESS);
        // Four heartbeats with sending:
        // 1 - empty
        // 2 - resource1 FETCH_SUCCESS
        // 3 - resource2 FETCH_PENDING
        // 4 - resource2 FETCH_SUCCESS, resource3 FETCH_SUCCESS
        List<LocalResourceStatus> rsrcs4 = new ArrayList<LocalResourceStatus>();
        rsrcs4.add(rsrc2success);
        rsrcs4.add(rsrc3success);
        when(stat.getResources()).thenReturn(Collections.<LocalResourceStatus>emptyList()).thenReturn(Collections.singletonList(rsrc1success)).thenReturn(Collections.singletonList(rsrc2pending)).thenReturn(rsrcs4).thenReturn(Collections.<LocalResourceStatus>emptyList());
        String localPath = Path.SEPARATOR + ContainerLocalizer.USERCACHE + Path.SEPARATOR + "user0" + Path.SEPARATOR + ContainerLocalizer.FILECACHE;
        // First heartbeat
        LocalizerHeartbeatResponse response = spyService.heartbeat(stat);
        assertEquals(LocalizerAction.LIVE, response.getLocalizerAction());
        assertEquals(1, response.getResourceSpecs().size());
        assertEquals(req1, new LocalResourceRequest(response.getResourceSpecs().get(0).getResource()));
        URL localizedPath = response.getResourceSpecs().get(0).getDestinationDirectory();
        // Appending to local path unique number(10) generated as a part of
        // LocalResourcesTracker
        assertTrue(localizedPath.getFile().endsWith(localPath + Path.SEPARATOR + "10"));
        // Second heartbeat
        response = spyService.heartbeat(stat);
        assertEquals(LocalizerAction.LIVE, response.getLocalizerAction());
        assertEquals(1, response.getResourceSpecs().size());
        assertEquals(req2, new LocalResourceRequest(response.getResourceSpecs().get(0).getResource()));
        localizedPath = response.getResourceSpecs().get(0).getDestinationDirectory();
        // Resource's destination path should be now inside sub directory 0 as
        // LocalCacheDirectoryManager will be used and we have restricted number
        // of files per directory to 1.
        assertTrue(localizedPath.getFile().endsWith(localPath + Path.SEPARATOR + "0" + Path.SEPARATOR + "11"));
        // Third heartbeat
        response = spyService.heartbeat(stat);
        assertEquals(LocalizerAction.LIVE, response.getLocalizerAction());
        assertEquals(1, response.getResourceSpecs().size());
        assertEquals(req3, new LocalResourceRequest(response.getResourceSpecs().get(0).getResource()));
        localizedPath = response.getResourceSpecs().get(0).getDestinationDirectory();
        assertTrue(localizedPath.getFile().endsWith(localPath + Path.SEPARATOR + "1" + Path.SEPARATOR + "12"));
        response = spyService.heartbeat(stat);
        assertEquals(LocalizerAction.LIVE, response.getLocalizerAction());
        spyService.handle(new ContainerLocalizationEvent(LocalizationEventType.CONTAINER_RESOURCES_LOCALIZED, c));
        // get shutdown after receive CONTAINER_RESOURCES_LOCALIZED event
        response = spyService.heartbeat(stat);
        assertEquals(LocalizerAction.DIE, response.getLocalizerAction());
        dispatcher.await();
        // verify container notification
        ArgumentMatcher<ContainerEvent> matchesContainerLoc = new ArgumentMatcher<ContainerEvent>() {

            @Override
            public boolean matches(Object o) {
                ContainerEvent evt = (ContainerEvent) o;
                return evt.getType() == ContainerEventType.RESOURCE_LOCALIZED && c.getContainerId() == evt.getContainerID();
            }
        };
        // total 3 resource localzation calls. one for each resource.
        verify(containerBus, times(3)).handle(argThat(matchesContainerLoc));
        // Verify deletion of localization token.
        verify(delService).delete((String) isNull(), eq(localizationTokenPath));
    } finally {
        spyService.stop();
        dispatcher.stop();
        delService.stop();
    }
}