Examples with ContainerEvent org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerEvent used on opensource projects

Example 16 with ContainerEvent

use of org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerEvent in project hadoop by apache.

the class TestLocalResourcesTrackerImpl method testLocalResourceCache.

@Test(timeout = 10000)
@SuppressWarnings("unchecked")
public void testLocalResourceCache() {
    String user = "testuser";
    DrainDispatcher dispatcher = null;
    try {
        Configuration conf = new Configuration();
        dispatcher = createDispatcher(conf);
        EventHandler<LocalizerEvent> localizerEventHandler = mock(EventHandler.class);
        EventHandler<ContainerEvent> containerEventHandler = mock(EventHandler.class);
        // Registering event handlers.
        dispatcher.register(LocalizerEventType.class, localizerEventHandler);
        dispatcher.register(ContainerEventType.class, containerEventHandler);
        ConcurrentMap<LocalResourceRequest, LocalizedResource> localrsrc = new ConcurrentHashMap<LocalResourceRequest, LocalizedResource>();
        LocalResourcesTracker tracker = new LocalResourcesTrackerImpl(user, null, dispatcher, localrsrc, true, conf, new NMNullStateStoreService(), null);
        LocalResourceRequest lr = createLocalResourceRequest(user, 1, 1, LocalResourceVisibility.PUBLIC);
        // Creating 2 containers for same application which will be requesting
        // same local resource.
        // Container 1 requesting local resource.
        ContainerId cId1 = BuilderUtils.newContainerId(1, 1, 1, 1);
        LocalizerContext lc1 = new LocalizerContext(user, cId1, null);
        ResourceEvent reqEvent1 = new ResourceRequestEvent(lr, LocalResourceVisibility.PRIVATE, lc1);
        // No resource request is initially present in local cache
        Assert.assertEquals(0, localrsrc.size());
        // Container-1 requesting local resource.
        tracker.handle(reqEvent1);
        dispatcher.await();
        // New localized Resource should have been added to local resource map
        // and the requesting container will be added to its waiting queue.
        Assert.assertEquals(1, localrsrc.size());
        Assert.assertTrue(localrsrc.containsKey(lr));
        Assert.assertEquals(1, localrsrc.get(lr).getRefCount());
        Assert.assertTrue(localrsrc.get(lr).ref.contains(cId1));
        Assert.assertEquals(ResourceState.DOWNLOADING, localrsrc.get(lr).getState());
        // Container 2 requesting the resource
        ContainerId cId2 = BuilderUtils.newContainerId(1, 1, 1, 2);
        LocalizerContext lc2 = new LocalizerContext(user, cId2, null);
        ResourceEvent reqEvent2 = new ResourceRequestEvent(lr, LocalResourceVisibility.PRIVATE, lc2);
        tracker.handle(reqEvent2);
        dispatcher.await();
        // Container 2 should have been added to the waiting queue of the local
        // resource
        Assert.assertEquals(2, localrsrc.get(lr).getRefCount());
        Assert.assertTrue(localrsrc.get(lr).ref.contains(cId2));
        // Failing resource localization
        ResourceEvent resourceFailedEvent = new ResourceFailedLocalizationEvent(lr, (new Exception("test").getMessage()));
        // Backing up the resource to track its state change as it will be
        // removed after the failed event.
        LocalizedResource localizedResource = localrsrc.get(lr);
        tracker.handle(resourceFailedEvent);
        dispatcher.await();
        // After receiving failed resource event; all waiting containers will be
        // notified with Container Resource Failed Event.
        Assert.assertEquals(0, localrsrc.size());
        verify(containerEventHandler, timeout(1000).times(2)).handle(isA(ContainerResourceFailedEvent.class));
        Assert.assertEquals(ResourceState.FAILED, localizedResource.getState());
        // Container 1 trying to release the resource (This resource is already
        // deleted from the cache. This call should return silently without
        // exception.
        ResourceReleaseEvent relEvent1 = new ResourceReleaseEvent(lr, cId1);
        tracker.handle(relEvent1);
        dispatcher.await();
        // Container-3 now requests for the same resource. This request call
        // is coming prior to Container-2's release call.
        ContainerId cId3 = BuilderUtils.newContainerId(1, 1, 1, 3);
        LocalizerContext lc3 = new LocalizerContext(user, cId3, null);
        ResourceEvent reqEvent3 = new ResourceRequestEvent(lr, LocalResourceVisibility.PRIVATE, lc3);
        tracker.handle(reqEvent3);
        dispatcher.await();
        // Local resource cache now should have the requested resource and the
        // number of waiting containers should be 1.
        Assert.assertEquals(1, localrsrc.size());
        Assert.assertTrue(localrsrc.containsKey(lr));
        Assert.assertEquals(1, localrsrc.get(lr).getRefCount());
        Assert.assertTrue(localrsrc.get(lr).ref.contains(cId3));
        // Container-2 Releases the resource
        ResourceReleaseEvent relEvent2 = new ResourceReleaseEvent(lr, cId2);
        tracker.handle(relEvent2);
        dispatcher.await();
        // Making sure that there is no change in the cache after the release.
        Assert.assertEquals(1, localrsrc.size());
        Assert.assertTrue(localrsrc.containsKey(lr));
        Assert.assertEquals(1, localrsrc.get(lr).getRefCount());
        Assert.assertTrue(localrsrc.get(lr).ref.contains(cId3));
        // Sending ResourceLocalizedEvent to tracker. In turn resource should
        // send Container Resource Localized Event to waiting containers.
        Path localizedPath = new Path("/tmp/file1");
        ResourceLocalizedEvent localizedEvent = new ResourceLocalizedEvent(lr, localizedPath, 123L);
        tracker.handle(localizedEvent);
        dispatcher.await();
        // Verifying ContainerResourceLocalizedEvent .
        verify(containerEventHandler, timeout(1000).times(1)).handle(isA(ContainerResourceLocalizedEvent.class));
        Assert.assertEquals(ResourceState.LOCALIZED, localrsrc.get(lr).getState());
        Assert.assertEquals(1, localrsrc.get(lr).getRefCount());
        // Container-3 releasing the resource.
        ResourceReleaseEvent relEvent3 = new ResourceReleaseEvent(lr, cId3);
        tracker.handle(relEvent3);
        dispatcher.await();
        Assert.assertEquals(0, localrsrc.get(lr).getRefCount());
    } finally {
        if (dispatcher != null) {
            dispatcher.stop();
        }
    }
}

Example 17 with ContainerEvent

use of org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerEvent in project hadoop by apache.

the class TestLocalizedResource method testNotification.

@Test
// mocked generic
@SuppressWarnings("unchecked")
public void testNotification() throws Exception {
    DrainDispatcher dispatcher = new DrainDispatcher();
    dispatcher.init(new Configuration());
    try {
        dispatcher.start();
        EventHandler<ContainerEvent> containerBus = mock(EventHandler.class);
        EventHandler<LocalizerEvent> localizerBus = mock(EventHandler.class);
        dispatcher.register(ContainerEventType.class, containerBus);
        dispatcher.register(LocalizerEventType.class, localizerBus);
        // mock resource
        LocalResource apiRsrc = createMockResource();
        final ContainerId container0 = getMockContainer(0L);
        final Credentials creds0 = new Credentials();
        final LocalResourceVisibility vis0 = LocalResourceVisibility.PRIVATE;
        final LocalizerContext ctxt0 = new LocalizerContext("yak", container0, creds0);
        LocalResourceRequest rsrcA = new LocalResourceRequest(apiRsrc);
        LocalizedResource local = new LocalizedResource(rsrcA, dispatcher);
        local.handle(new ResourceRequestEvent(rsrcA, vis0, ctxt0));
        dispatcher.await();
        // Register C0, verify request event
        LocalizerEventMatcher matchesL0Req = new LocalizerEventMatcher(container0, creds0, vis0, LocalizerEventType.REQUEST_RESOURCE_LOCALIZATION);
        verify(localizerBus).handle(argThat(matchesL0Req));
        assertEquals(ResourceState.DOWNLOADING, local.getState());
        // Register C1, verify request event
        final Credentials creds1 = new Credentials();
        final ContainerId container1 = getMockContainer(1L);
        final LocalizerContext ctxt1 = new LocalizerContext("yak", container1, creds1);
        final LocalResourceVisibility vis1 = LocalResourceVisibility.PUBLIC;
        local.handle(new ResourceRequestEvent(rsrcA, vis1, ctxt1));
        dispatcher.await();
        LocalizerEventMatcher matchesL1Req = new LocalizerEventMatcher(container1, creds1, vis1, LocalizerEventType.REQUEST_RESOURCE_LOCALIZATION);
        verify(localizerBus).handle(argThat(matchesL1Req));
        // Release C0 container localization, verify no notification
        local.handle(new ResourceReleaseEvent(rsrcA, container0));
        dispatcher.await();
        verify(containerBus, never()).handle(isA(ContainerEvent.class));
        assertEquals(ResourceState.DOWNLOADING, local.getState());
        // Release C1 container localization, verify no notification
        local.handle(new ResourceReleaseEvent(rsrcA, container1));
        dispatcher.await();
        verify(containerBus, never()).handle(isA(ContainerEvent.class));
        assertEquals(ResourceState.DOWNLOADING, local.getState());
        // Register C2, C3
        final ContainerId container2 = getMockContainer(2L);
        final LocalResourceVisibility vis2 = LocalResourceVisibility.PRIVATE;
        final Credentials creds2 = new Credentials();
        final LocalizerContext ctxt2 = new LocalizerContext("yak", container2, creds2);
        final ContainerId container3 = getMockContainer(3L);
        final LocalResourceVisibility vis3 = LocalResourceVisibility.PRIVATE;
        final Credentials creds3 = new Credentials();
        final LocalizerContext ctxt3 = new LocalizerContext("yak", container3, creds3);
        local.handle(new ResourceRequestEvent(rsrcA, vis2, ctxt2));
        local.handle(new ResourceRequestEvent(rsrcA, vis3, ctxt3));
        dispatcher.await();
        LocalizerEventMatcher matchesL2Req = new LocalizerEventMatcher(container2, creds2, vis2, LocalizerEventType.REQUEST_RESOURCE_LOCALIZATION);
        verify(localizerBus).handle(argThat(matchesL2Req));
        LocalizerEventMatcher matchesL3Req = new LocalizerEventMatcher(container3, creds3, vis3, LocalizerEventType.REQUEST_RESOURCE_LOCALIZATION);
        verify(localizerBus).handle(argThat(matchesL3Req));
        // Successful localization. verify notification C2, C3
        Path locA = new Path("file:///cache/rsrcA");
        local.handle(new ResourceLocalizedEvent(rsrcA, locA, 10));
        dispatcher.await();
        ContainerEventMatcher matchesC2Localized = new ContainerEventMatcher(container2, ContainerEventType.RESOURCE_LOCALIZED);
        ContainerEventMatcher matchesC3Localized = new ContainerEventMatcher(container3, ContainerEventType.RESOURCE_LOCALIZED);
        verify(containerBus).handle(argThat(matchesC2Localized));
        verify(containerBus).handle(argThat(matchesC3Localized));
        assertEquals(ResourceState.LOCALIZED, local.getState());
        // Register C4, verify notification
        final ContainerId container4 = getMockContainer(4L);
        final Credentials creds4 = new Credentials();
        final LocalizerContext ctxt4 = new LocalizerContext("yak", container4, creds4);
        final LocalResourceVisibility vis4 = LocalResourceVisibility.PRIVATE;
        local.handle(new ResourceRequestEvent(rsrcA, vis4, ctxt4));
        dispatcher.await();
        ContainerEventMatcher matchesC4Localized = new ContainerEventMatcher(container4, ContainerEventType.RESOURCE_LOCALIZED);
        verify(containerBus).handle(argThat(matchesC4Localized));
        assertEquals(ResourceState.LOCALIZED, local.getState());
    } finally {
        dispatcher.stop();
    }
}

Example 18 with ContainerEvent

use of org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerEvent in project hadoop by apache.

the class ResourceLocalizationService method handleCleanupContainerResources.

@SuppressWarnings("unchecked")
private void handleCleanupContainerResources(ContainerLocalizationCleanupEvent rsrcCleanup) {
    Container c = rsrcCleanup.getContainer();
    Map<LocalResourceVisibility, Collection<LocalResourceRequest>> rsrcs = rsrcCleanup.getResources();
    for (Map.Entry<LocalResourceVisibility, Collection<LocalResourceRequest>> e : rsrcs.entrySet()) {
        LocalResourcesTracker tracker = getLocalResourcesTracker(e.getKey(), c.getUser(), c.getContainerId().getApplicationAttemptId().getApplicationId());
        for (LocalResourceRequest req : e.getValue()) {
            tracker.handle(new ResourceReleaseEvent(req, c.getContainerId()));
        }
    }
    String locId = c.getContainerId().toString();
    localizerTracker.cleanupPrivLocalizers(locId);
    // Delete the container directories
    String userName = c.getUser();
    String containerIDStr = c.toString();
    String appIDStr = c.getContainerId().getApplicationAttemptId().getApplicationId().toString();
    for (String localDir : dirsHandler.getLocalDirsForCleanup()) {
        // Delete the user-owned container-dir
        Path usersdir = new Path(localDir, ContainerLocalizer.USERCACHE);
        Path userdir = new Path(usersdir, userName);
        Path allAppsdir = new Path(userdir, ContainerLocalizer.APPCACHE);
        Path appDir = new Path(allAppsdir, appIDStr);
        Path containerDir = new Path(appDir, containerIDStr);
        submitDirForDeletion(userName, containerDir);
        // Delete the nmPrivate container-dir
        Path sysDir = new Path(localDir, NM_PRIVATE_DIR);
        Path appSysDir = new Path(sysDir, appIDStr);
        Path containerSysDir = new Path(appSysDir, containerIDStr);
        submitDirForDeletion(null, containerSysDir);
    }
    dispatcher.getEventHandler().handle(new ContainerEvent(c.getContainerId(), ContainerEventType.CONTAINER_RESOURCES_CLEANEDUP));
}

Example 19 with ContainerEvent

use of org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerEvent 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();
    }
}

Example 20 with ContainerEvent

use of org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerEvent in project hadoop by apache.

the class TestResourceLocalizationService method testResourceRelease.

@Test
// mocked generics
@SuppressWarnings("unchecked")
public void testResourceRelease() throws Exception {
    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);
    LocalizerTracker mockLocallilzerTracker = mock(LocalizerTracker.class);
    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);
    ContainerExecutor exec = mock(ContainerExecutor.class);
    LocalDirsHandlerService dirsHandler = new LocalDirsHandlerService();
    dirsHandler.init(conf);
    DeletionService delService = new DeletionService(exec);
    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(mockLocallilzerTracker).when(spyService).createLocalizerTracker(isA(Configuration.class));
    doReturn(lfs).when(spyService).getLocalFileContext(isA(Configuration.class));
    try {
        spyService.init(conf);
        spyService.start();
        final String user = "user0";
        // init application
        final Application app = mock(Application.class);
        final ApplicationId appId = BuilderUtils.newApplicationId(314159265358979L, 3);
        when(app.getUser()).thenReturn(user);
        when(app.getAppId()).thenReturn(appId);
        spyService.handle(new ApplicationLocalizationEvent(LocalizationEventType.INIT_APPLICATION_RESOURCES, app));
        dispatcher.await();
        //Get a handle on the trackers after they're setup with INIT_APP_RESOURCES
        LocalResourcesTracker appTracker = spyService.getLocalResourcesTracker(LocalResourceVisibility.APPLICATION, user, appId);
        LocalResourcesTracker privTracker = spyService.getLocalResourcesTracker(LocalResourceVisibility.PRIVATE, user, appId);
        LocalResourcesTracker pubTracker = spyService.getLocalResourcesTracker(LocalResourceVisibility.PUBLIC, user, appId);
        // init container.
        final Container c = getMockContainer(appId, 42, user);
        // init resources
        Random r = new Random();
        long seed = r.nextLong();
        System.out.println("SEED: " + seed);
        r.setSeed(seed);
        // Send localization requests for one resource of each type.
        final LocalResource privResource = getPrivateMockedResource(r);
        final LocalResourceRequest privReq = new LocalResourceRequest(privResource);
        final LocalResource pubResource = getPublicMockedResource(r);
        final LocalResourceRequest pubReq = new LocalResourceRequest(pubResource);
        final LocalResource pubResource2 = getPublicMockedResource(r);
        final LocalResourceRequest pubReq2 = new LocalResourceRequest(pubResource2);
        final LocalResource appResource = getAppMockedResource(r);
        final LocalResourceRequest appReq = new LocalResourceRequest(appResource);
        Map<LocalResourceVisibility, Collection<LocalResourceRequest>> req = new HashMap<LocalResourceVisibility, Collection<LocalResourceRequest>>();
        req.put(LocalResourceVisibility.PRIVATE, Collections.singletonList(privReq));
        req.put(LocalResourceVisibility.PUBLIC, Collections.singletonList(pubReq));
        req.put(LocalResourceVisibility.APPLICATION, Collections.singletonList(appReq));
        Map<LocalResourceVisibility, Collection<LocalResourceRequest>> req2 = new HashMap<LocalResourceVisibility, Collection<LocalResourceRequest>>();
        req2.put(LocalResourceVisibility.PRIVATE, Collections.singletonList(privReq));
        req2.put(LocalResourceVisibility.PUBLIC, Collections.singletonList(pubReq2));
        Set<LocalResourceRequest> pubRsrcs = new HashSet<LocalResourceRequest>();
        pubRsrcs.add(pubReq);
        pubRsrcs.add(pubReq2);
        // Send Request event
        spyService.handle(new ContainerLocalizationRequestEvent(c, req));
        spyService.handle(new ContainerLocalizationRequestEvent(c, req2));
        dispatcher.await();
        int privRsrcCount = 0;
        for (LocalizedResource lr : privTracker) {
            privRsrcCount++;
            Assert.assertEquals("Incorrect reference count", 2, lr.getRefCount());
            Assert.assertEquals(privReq, lr.getRequest());
        }
        Assert.assertEquals(1, privRsrcCount);
        int pubRsrcCount = 0;
        for (LocalizedResource lr : pubTracker) {
            pubRsrcCount++;
            Assert.assertEquals("Incorrect reference count", 1, lr.getRefCount());
            pubRsrcs.remove(lr.getRequest());
        }
        Assert.assertEquals(0, pubRsrcs.size());
        Assert.assertEquals(2, pubRsrcCount);
        int appRsrcCount = 0;
        for (LocalizedResource lr : appTracker) {
            appRsrcCount++;
            Assert.assertEquals("Incorrect reference count", 1, lr.getRefCount());
            Assert.assertEquals(appReq, lr.getRequest());
        }
        Assert.assertEquals(1, appRsrcCount);
        //Send Cleanup Event
        spyService.handle(new ContainerLocalizationCleanupEvent(c, req));
        verify(mockLocallilzerTracker).cleanupPrivLocalizers("container_314159265358979_0003_01_000042");
        req2.remove(LocalResourceVisibility.PRIVATE);
        spyService.handle(new ContainerLocalizationCleanupEvent(c, req2));
        dispatcher.await();
        pubRsrcs.add(pubReq);
        pubRsrcs.add(pubReq2);
        privRsrcCount = 0;
        for (LocalizedResource lr : privTracker) {
            privRsrcCount++;
            Assert.assertEquals("Incorrect reference count", 1, lr.getRefCount());
            Assert.assertEquals(privReq, lr.getRequest());
        }
        Assert.assertEquals(1, privRsrcCount);
        pubRsrcCount = 0;
        for (LocalizedResource lr : pubTracker) {
            pubRsrcCount++;
            Assert.assertEquals("Incorrect reference count", 0, lr.getRefCount());
            pubRsrcs.remove(lr.getRequest());
        }
        Assert.assertEquals(0, pubRsrcs.size());
        Assert.assertEquals(2, pubRsrcCount);
        appRsrcCount = 0;
        for (LocalizedResource lr : appTracker) {
            appRsrcCount++;
        }
        Assert.assertEquals(0, appRsrcCount);
    } finally {
        dispatcher.stop();
        delService.stop();
    }
}