Examples with URL org.apache.hadoop.yarn.api.records.URL used on opensource projects

Example 1 with URL

use of org.apache.hadoop.yarn.api.records.URL in project hadoop by apache.

the class TaskAttemptImpl method createLocalResource.

/**
   * Create a {@link LocalResource} record with all the given parameters.
   */
private static LocalResource createLocalResource(FileSystem fc, Path file, LocalResourceType type, LocalResourceVisibility visibility) throws IOException {
    FileStatus fstat = fc.getFileStatus(file);
    URL resourceURL = URL.fromPath(fc.resolvePath(fstat.getPath()));
    long resourceSize = fstat.getLen();
    long resourceModificationTime = fstat.getModificationTime();
    return LocalResource.newInstance(resourceURL, type, visibility, resourceSize, resourceModificationTime);
}

Example 2 with URL

use of org.apache.hadoop.yarn.api.records.URL in project hadoop by apache.

the class TestConverterUtils method testConvertUrlWithNoPort.

@Test
public void testConvertUrlWithNoPort() throws URISyntaxException {
    Path expectedPath = new Path("hdfs://foo.com");
    URL url = URL.fromPath(expectedPath);
    Path actualPath = url.toPath();
    assertEquals(expectedPath, actualPath);
}

Example 3 with URL

use of org.apache.hadoop.yarn.api.records.URL in project hadoop by apache.

the class TestContainersMonitor method testContainerKillOnMemoryOverflow.

@Test
public void testContainerKillOnMemoryOverflow() throws IOException, InterruptedException, YarnException {
    if (!ProcfsBasedProcessTree.isAvailable()) {
        return;
    }
    containerManager.start();
    File scriptFile = new File(tmpDir, "scriptFile.sh");
    PrintWriter fileWriter = new PrintWriter(scriptFile);
    File processStartFile = new File(tmpDir, "start_file.txt").getAbsoluteFile();
    // So that start file is readable by the
    fileWriter.write("\numask 0");
    // test.
    fileWriter.write("\necho Hello World! > " + processStartFile);
    fileWriter.write("\necho $$ >> " + processStartFile);
    fileWriter.write("\nsleep 15");
    fileWriter.close();
    ContainerLaunchContext containerLaunchContext = recordFactory.newRecordInstance(ContainerLaunchContext.class);
    // ////// Construct the Container-id
    ApplicationId appId = ApplicationId.newInstance(0, 0);
    ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(appId, 1);
    ContainerId cId = ContainerId.newContainerId(appAttemptId, 0);
    URL resource_alpha = URL.fromPath(localFS.makeQualified(new Path(scriptFile.getAbsolutePath())));
    LocalResource rsrc_alpha = recordFactory.newRecordInstance(LocalResource.class);
    rsrc_alpha.setResource(resource_alpha);
    rsrc_alpha.setSize(-1);
    rsrc_alpha.setVisibility(LocalResourceVisibility.APPLICATION);
    rsrc_alpha.setType(LocalResourceType.FILE);
    rsrc_alpha.setTimestamp(scriptFile.lastModified());
    String destinationFile = "dest_file";
    Map<String, LocalResource> localResources = new HashMap<String, LocalResource>();
    localResources.put(destinationFile, rsrc_alpha);
    containerLaunchContext.setLocalResources(localResources);
    List<String> commands = new ArrayList<String>();
    commands.add("/bin/bash");
    commands.add(scriptFile.getAbsolutePath());
    containerLaunchContext.setCommands(commands);
    Resource r = BuilderUtils.newResource(0, 0);
    ContainerTokenIdentifier containerIdentifier = new ContainerTokenIdentifier(cId, context.getNodeId().toString(), user, r, System.currentTimeMillis() + 120000, 123, DUMMY_RM_IDENTIFIER, Priority.newInstance(0), 0);
    Token containerToken = BuilderUtils.newContainerToken(context.getNodeId(), containerManager.getContext().getContainerTokenSecretManager().createPassword(containerIdentifier), containerIdentifier);
    StartContainerRequest scRequest = StartContainerRequest.newInstance(containerLaunchContext, containerToken);
    List<StartContainerRequest> list = new ArrayList<StartContainerRequest>();
    list.add(scRequest);
    StartContainersRequest allRequests = StartContainersRequest.newInstance(list);
    containerManager.startContainers(allRequests);
    int timeoutSecs = 0;
    while (!processStartFile.exists() && timeoutSecs++ < 20) {
        Thread.sleep(1000);
        LOG.info("Waiting for process start-file to be created");
    }
    Assert.assertTrue("ProcessStartFile doesn't exist!", processStartFile.exists());
    // Now verify the contents of the file
    BufferedReader reader = new BufferedReader(new FileReader(processStartFile));
    Assert.assertEquals("Hello World!", reader.readLine());
    // Get the pid of the process
    String pid = reader.readLine().trim();
    // No more lines
    Assert.assertEquals(null, reader.readLine());
    BaseContainerManagerTest.waitForContainerState(containerManager, cId, ContainerState.COMPLETE, 60);
    List<ContainerId> containerIds = new ArrayList<ContainerId>();
    containerIds.add(cId);
    GetContainerStatusesRequest gcsRequest = GetContainerStatusesRequest.newInstance(containerIds);
    ContainerStatus containerStatus = containerManager.getContainerStatuses(gcsRequest).getContainerStatuses().get(0);
    Assert.assertEquals(ContainerExitStatus.KILLED_EXCEEDED_VMEM, containerStatus.getExitStatus());
    String expectedMsgPattern = "Container \\[pid=" + pid + ",containerID=" + cId + "\\] is running beyond virtual memory limits. Current usage: " + "[0-9.]+ ?[KMGTPE]?B of [0-9.]+ ?[KMGTPE]?B physical memory used; " + "[0-9.]+ ?[KMGTPE]?B of [0-9.]+ ?[KMGTPE]?B virtual memory used. " + "Killing container.\nDump of the process-tree for " + cId + " :\n";
    Pattern pat = Pattern.compile(expectedMsgPattern);
    Assert.assertEquals("Expected message pattern is: " + expectedMsgPattern + "\n\nObserved message is: " + containerStatus.getDiagnostics(), true, pat.matcher(containerStatus.getDiagnostics()).find());
    // Assert that the process is not alive anymore
    Assert.assertFalse("Process is still alive!", exec.signalContainer(new ContainerSignalContext.Builder().setUser(user).setPid(pid).setSignal(Signal.NULL).build()));
}

Example 4 with URL

use of org.apache.hadoop.yarn.api.records.URL in project hadoop by apache.

the class TestResourceLocalizationService method testDownloadingResourcesOnContainerKill.

@Test(timeout = 20000)
@SuppressWarnings("unchecked")
public void testDownloadingResourcesOnContainerKill() throws Exception {
    List<Path> localDirs = new ArrayList<Path>();
    String[] sDirs = new String[1];
    localDirs.add(lfs.makeQualified(new Path(basedir, 0 + "")));
    sDirs[0] = localDirs.get(0).toString();
    conf.setStrings(YarnConfiguration.NM_LOCAL_DIRS, sDirs);
    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);
    DummyExecutor exec = new DummyExecutor();
    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();
        final Application app = mock(Application.class);
        final ApplicationId appId = BuilderUtils.newApplicationId(314159265358979L, 3);
        String user = "user0";
        when(app.getUser()).thenReturn(user);
        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));
        // Initialize localizer.
        Random r = new Random();
        long seed = r.nextLong();
        System.out.println("SEED: " + seed);
        r.setSeed(seed);
        final Container c1 = getMockContainer(appId, 42, "user0");
        final Container c2 = getMockContainer(appId, 43, "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));
        // Send localization requests for container c1 and c2.
        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(c1, rsrcs));
        final LocalResourceRequest req1_1 = new LocalResourceRequest(resource2);
        Map<LocalResourceVisibility, Collection<LocalResourceRequest>> rsrcs1 = new HashMap<LocalResourceVisibility, Collection<LocalResourceRequest>>();
        List<LocalResourceRequest> privateResourceList1 = new ArrayList<LocalResourceRequest>();
        privateResourceList1.add(req1_1);
        rsrcs1.put(LocalResourceVisibility.PRIVATE, privateResourceList1);
        spyService.handle(new ContainerLocalizationRequestEvent(c2, rsrcs1));
        dispatcher.await();
        // Wait for localizers of both container c1 and c2 to begin.
        exec.waitForLocalizers(2);
        LocalizerRunner locC1 = spyService.getLocalizerRunner(c1.getContainerId().toString());
        final String containerIdStr = c1.getContainerId().toString();
        // Heartbeats from container localizer
        LocalResourceStatus rsrc1success = mock(LocalResourceStatus.class);
        LocalResourceStatus rsrc2pending = mock(LocalResourceStatus.class);
        LocalizerStatus stat = mock(LocalizerStatus.class);
        when(stat.getLocalizerId()).thenReturn(containerIdStr);
        when(rsrc1success.getResource()).thenReturn(resource1);
        when(rsrc2pending.getResource()).thenReturn(resource2);
        when(rsrc1success.getLocalSize()).thenReturn(4344L);
        URL locPath = getPath("/some/path");
        when(rsrc1success.getLocalPath()).thenReturn(locPath);
        when(rsrc1success.getStatus()).thenReturn(ResourceStatusType.FETCH_SUCCESS);
        when(rsrc2pending.getStatus()).thenReturn(ResourceStatusType.FETCH_PENDING);
        when(stat.getResources()).thenReturn(Collections.<LocalResourceStatus>emptyList()).thenReturn(Collections.singletonList(rsrc1success)).thenReturn(Collections.singletonList(rsrc2pending)).thenReturn(Collections.singletonList(rsrc2pending)).thenReturn(Collections.<LocalResourceStatus>emptyList());
        // First heartbeat which schedules first resource.
        LocalizerHeartbeatResponse response = spyService.heartbeat(stat);
        assertEquals(LocalizerAction.LIVE, response.getLocalizerAction());
        // Second heartbeat which reports first resource as success.
        // Second resource is scheduled.
        response = spyService.heartbeat(stat);
        assertEquals(LocalizerAction.LIVE, response.getLocalizerAction());
        final String locPath1 = response.getResourceSpecs().get(0).getDestinationDirectory().getFile();
        // Third heartbeat which reports second resource as pending.
        // Third resource is scheduled.
        response = spyService.heartbeat(stat);
        assertEquals(LocalizerAction.LIVE, response.getLocalizerAction());
        final String locPath2 = response.getResourceSpecs().get(0).getDestinationDirectory().getFile();
        // Container c1 is killed which leads to cleanup
        spyService.handle(new ContainerLocalizationCleanupEvent(c1, rsrcs));
        // This heartbeat will indicate to container localizer to die as localizer
        // runner has stopped.
        response = spyService.heartbeat(stat);
        assertEquals(LocalizerAction.DIE, response.getLocalizerAction());
        exec.setStopLocalization();
        dispatcher.await();
        // verify container notification
        ArgumentMatcher<ContainerEvent> successContainerLoc = new ArgumentMatcher<ContainerEvent>() {

            @Override
            public boolean matches(Object o) {
                ContainerEvent evt = (ContainerEvent) o;
                return evt.getType() == ContainerEventType.RESOURCE_LOCALIZED && c1.getContainerId() == evt.getContainerID();
            }
        };
        // Only one resource gets localized for container c1.
        verify(containerBus).handle(argThat(successContainerLoc));
        Set<Path> paths = Sets.newHashSet(new Path(locPath1), new Path(locPath1 + "_tmp"), new Path(locPath2), new Path(locPath2 + "_tmp"));
        // Wait for localizer runner thread for container c1 to finish.
        while (locC1.getState() != Thread.State.TERMINATED) {
            Thread.sleep(50);
        }
        // Verify if downloading resources were submitted for deletion.
        verify(delService).delete(eq(user), (Path) eq(null), argThat(new DownloadingPathsMatcher(paths)));
        LocalResourcesTracker tracker = spyService.getLocalResourcesTracker(LocalResourceVisibility.PRIVATE, "user0", appId);
        // Container c1 was killed but this resource was localized before kill
        // hence its not removed despite ref cnt being 0.
        LocalizedResource rsrc1 = tracker.getLocalizedResource(req1);
        assertNotNull(rsrc1);
        assertEquals(rsrc1.getState(), ResourceState.LOCALIZED);
        assertEquals(rsrc1.getRefCount(), 0);
        // Container c1 was killed but this resource is referenced by container c2
        // as well hence its ref cnt is 1.
        LocalizedResource rsrc2 = tracker.getLocalizedResource(req2);
        assertNotNull(rsrc2);
        assertEquals(rsrc2.getState(), ResourceState.DOWNLOADING);
        assertEquals(rsrc2.getRefCount(), 1);
        // As container c1 was killed and this resource was not referenced by any
        // other container, hence its removed.
        LocalizedResource rsrc3 = tracker.getLocalizedResource(req3);
        assertNull(rsrc3);
    } finally {
        spyService.stop();
        dispatcher.stop();
        delService.stop();
    }
}

Example 5 with URL

use of org.apache.hadoop.yarn.api.records.URL in project hadoop by apache.

the class TestResourceLocalizationService method testPublicResourceAddResourceExceptions.

/*
   * Test case for handling RejectedExecutionException and IOException which can
   * be thrown when adding public resources to the pending queue.
   * RejectedExecutionException can be thrown either due to the incoming queue
   * being full or if the ExecutorCompletionService threadpool is shutdown.
   * Since it's hard to simulate the queue being full, this test just shuts down
   * the threadpool and makes sure the exception is handled. If anything is
   * messed up the async dispatcher thread will cause a system exit causing the
   * test to fail.
   */
@Test
@SuppressWarnings("unchecked")
public void testPublicResourceAddResourceExceptions() 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);
    conf.setBoolean(Dispatcher.DISPATCHER_EXIT_ON_ERROR_KEY, true);
    DrainDispatcher dispatcher = new DrainDispatcher();
    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);
    DeletionService delService = mock(DeletionService.class);
    LocalDirsHandlerService dirsHandler = new LocalDirsHandlerService();
    LocalDirsHandlerService dirsHandlerSpy = spy(dirsHandler);
    dirsHandlerSpy.init(conf);
    dispatcher.init(conf);
    dispatcher.start();
    try {
        ResourceLocalizationService rawService = new ResourceLocalizationService(dispatcher, exec, delService, dirsHandlerSpy, nmContext);
        ResourceLocalizationService spyService = spy(rawService);
        doReturn(mockServer).when(spyService).createServer();
        doReturn(lfs).when(spyService).getLocalFileContext(isA(Configuration.class));
        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();
        // init resources
        Random r = new Random();
        r.setSeed(r.nextLong());
        // Queue localization request for the public resource
        final LocalResource pubResource = getPublicMockedResource(r);
        final LocalResourceRequest pubReq = new LocalResourceRequest(pubResource);
        Map<LocalResourceVisibility, Collection<LocalResourceRequest>> req = new HashMap<LocalResourceVisibility, Collection<LocalResourceRequest>>();
        req.put(LocalResourceVisibility.PUBLIC, Collections.singletonList(pubReq));
        // init container.
        final Container c = getMockContainer(appId, 42, user);
        // first test ioexception
        Mockito.doThrow(new IOException()).when(dirsHandlerSpy).getLocalPathForWrite(isA(String.class), Mockito.anyLong(), Mockito.anyBoolean());
        // send request
        spyService.handle(new ContainerLocalizationRequestEvent(c, req));
        dispatcher.await();
        LocalResourcesTracker tracker = spyService.getLocalResourcesTracker(LocalResourceVisibility.PUBLIC, user, appId);
        Assert.assertNull(tracker.getLocalizedResource(pubReq));
        // test IllegalArgumentException
        String name = Long.toHexString(r.nextLong());
        URL url = getPath("/local/PRIVATE/" + name + "/");
        final LocalResource rsrc = BuilderUtils.newLocalResource(url, LocalResourceType.FILE, LocalResourceVisibility.PUBLIC, r.nextInt(1024) + 1024L, r.nextInt(1024) + 2048L, false);
        final LocalResourceRequest pubReq1 = new LocalResourceRequest(rsrc);
        Map<LocalResourceVisibility, Collection<LocalResourceRequest>> req1 = new HashMap<LocalResourceVisibility, Collection<LocalResourceRequest>>();
        req1.put(LocalResourceVisibility.PUBLIC, Collections.singletonList(pubReq1));
        Mockito.doCallRealMethod().when(dirsHandlerSpy).getLocalPathForWrite(isA(String.class), Mockito.anyLong(), Mockito.anyBoolean());
        // send request
        spyService.handle(new ContainerLocalizationRequestEvent(c, req1));
        dispatcher.await();
        tracker = spyService.getLocalResourcesTracker(LocalResourceVisibility.PUBLIC, user, appId);
        Assert.assertNull(tracker.getLocalizedResource(pubReq));
        // test RejectedExecutionException by shutting down the thread pool
        PublicLocalizer publicLocalizer = spyService.getPublicLocalizer();
        publicLocalizer.threadPool.shutdown();
        spyService.handle(new ContainerLocalizationRequestEvent(c, req));
        dispatcher.await();
        tracker = spyService.getLocalResourcesTracker(LocalResourceVisibility.PUBLIC, user, appId);
        Assert.assertNull(tracker.getLocalizedResource(pubReq));
    } finally {
        // if we call stop with events in the queue, an InterruptedException gets
        // thrown resulting in the dispatcher thread causing a system exit
        dispatcher.await();
        dispatcher.stop();
    }
}