Examples with LocalDirsHandlerService org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService used on opensource projects

Example 1 with LocalDirsHandlerService

use of org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService in project hadoop by apache.

the class TestDiskFailures method testDirFailuresOnStartup.

/**
   * Make a local and log directory inaccessible during initialization
   * and verify those bad directories are recognized and removed from
   * the list of available local and log directories.
   * @throws IOException
   */
@Test
public void testDirFailuresOnStartup() throws IOException {
    Configuration conf = new YarnConfiguration();
    String localDir1 = new File(testDir, "localDir1").getPath();
    String localDir2 = new File(testDir, "localDir2").getPath();
    String logDir1 = new File(testDir, "logDir1").getPath();
    String logDir2 = new File(testDir, "logDir2").getPath();
    conf.set(YarnConfiguration.NM_LOCAL_DIRS, localDir1 + "," + localDir2);
    conf.set(YarnConfiguration.NM_LOG_DIRS, logDir1 + "," + logDir2);
    prepareDirToFail(localDir1);
    prepareDirToFail(logDir2);
    LocalDirsHandlerService dirSvc = new LocalDirsHandlerService();
    dirSvc.init(conf);
    List<String> localDirs = dirSvc.getLocalDirs();
    Assert.assertEquals(1, localDirs.size());
    Assert.assertEquals(new Path(localDir2).toString(), localDirs.get(0));
    List<String> logDirs = dirSvc.getLogDirs();
    Assert.assertEquals(1, logDirs.size());
    Assert.assertEquals(new Path(logDir1).toString(), logDirs.get(0));
}

Example 2 with LocalDirsHandlerService

use of org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService in project hadoop by apache.

the class TestContainerLogsPage method testContainerLogPageAccess.

@Test(timeout = 10000)
public void testContainerLogPageAccess() throws IOException {
    // SecureIOUtils require Native IO to be enabled. This test will run
    // only if it is enabled.
    assumeTrue(NativeIO.isAvailable());
    String user = "randomUser" + System.currentTimeMillis();
    File absLogDir = null, appDir = null, containerDir = null, syslog = null;
    try {
        // target log directory
        absLogDir = new File("target", TestContainerLogsPage.class.getSimpleName() + "LogDir").getAbsoluteFile();
        absLogDir.mkdir();
        Configuration conf = new Configuration();
        conf.set(YarnConfiguration.NM_LOG_DIRS, absLogDir.toURI().toString());
        conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "kerberos");
        UserGroupInformation.setConfiguration(conf);
        NodeHealthCheckerService healthChecker = createNodeHealthCheckerService(conf);
        healthChecker.init(conf);
        LocalDirsHandlerService dirsHandler = healthChecker.getDiskHandler();
        // Add an application and the corresponding containers
        RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(conf);
        long clusterTimeStamp = 1234;
        ApplicationId appId = BuilderUtils.newApplicationId(recordFactory, clusterTimeStamp, 1);
        Application app = mock(Application.class);
        when(app.getAppId()).thenReturn(appId);
        // Making sure that application returns a random user. This is required
        // for SecureIOUtils' file owner check.
        when(app.getUser()).thenReturn(user);
        ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(appId, 1);
        ContainerId container1 = BuilderUtils.newContainerId(recordFactory, appId, appAttemptId, 0);
        // Testing secure read access for log files
        // Creating application and container directory and syslog file.
        appDir = new File(absLogDir, appId.toString());
        appDir.mkdir();
        containerDir = new File(appDir, container1.toString());
        containerDir.mkdir();
        syslog = new File(containerDir, "syslog");
        syslog.createNewFile();
        BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(syslog));
        out.write("Log file Content".getBytes());
        out.close();
        Context context = mock(Context.class);
        ConcurrentMap<ApplicationId, Application> appMap = new ConcurrentHashMap<ApplicationId, Application>();
        appMap.put(appId, app);
        when(context.getApplications()).thenReturn(appMap);
        ConcurrentHashMap<ContainerId, Container> containers = new ConcurrentHashMap<ContainerId, Container>();
        when(context.getContainers()).thenReturn(containers);
        when(context.getLocalDirsHandler()).thenReturn(dirsHandler);
        MockContainer container = new MockContainer(appAttemptId, new AsyncDispatcher(), conf, user, appId, 1);
        container.setState(ContainerState.RUNNING);
        context.getContainers().put(container1, container);
        ContainersLogsBlock cLogsBlock = new ContainersLogsBlock(context);
        Map<String, String> params = new HashMap<String, String>();
        params.put(YarnWebParams.CONTAINER_ID, container1.toString());
        params.put(YarnWebParams.CONTAINER_LOG_TYPE, "syslog");
        Injector injector = WebAppTests.testPage(ContainerLogsPage.class, ContainersLogsBlock.class, cLogsBlock, params, (Module[]) null);
        PrintWriter spyPw = WebAppTests.getPrintWriter(injector);
        verify(spyPw).write("Exception reading log file. Application submitted by '" + user + "' doesn't own requested log file : syslog");
    } finally {
        if (syslog != null) {
            syslog.delete();
        }
        if (containerDir != null) {
            containerDir.delete();
        }
        if (appDir != null) {
            appDir.delete();
        }
        if (absLogDir != null) {
            absLogDir.delete();
        }
    }
}

Example 3 with LocalDirsHandlerService

use of org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService in project hadoop by apache.

the class TestContainerLogsPage method testLogDirWithDriveLetter.

@Test
public void testLogDirWithDriveLetter() throws Exception {
    //To verify that logs paths which include drive letters (Windows)
    //do not lose their drive letter specification
    LocalDirsHandlerService localDirs = mock(LocalDirsHandlerService.class);
    List<String> logDirs = new ArrayList<String>();
    logDirs.add("F:/nmlogs");
    when(localDirs.getLogDirsForRead()).thenReturn(logDirs);
    ApplicationIdPBImpl appId = mock(ApplicationIdPBImpl.class);
    when(appId.toString()).thenReturn("app_id_1");
    ApplicationAttemptIdPBImpl appAttemptId = mock(ApplicationAttemptIdPBImpl.class);
    when(appAttemptId.getApplicationId()).thenReturn(appId);
    ContainerId containerId = mock(ContainerIdPBImpl.class);
    when(containerId.getApplicationAttemptId()).thenReturn(appAttemptId);
    List<File> logDirFiles = ContainerLogsUtils.getContainerLogDirs(containerId, localDirs);
    Assert.assertTrue("logDir lost drive letter " + logDirFiles.get(0), logDirFiles.get(0).toString().indexOf("F:" + File.separator + "nmlogs") > -1);
}

Example 4 with LocalDirsHandlerService

use of org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService in project hadoop by apache.

the class TestContainerLogsPage method testContainerLogDirs.

@Test(timeout = 30000)
public void testContainerLogDirs() throws IOException, YarnException {
    File absLogDir = new File("target", TestNMWebServer.class.getSimpleName() + "LogDir").getAbsoluteFile();
    String logdirwithFile = absLogDir.toURI().toString();
    Configuration conf = new Configuration();
    conf.set(YarnConfiguration.NM_LOG_DIRS, logdirwithFile);
    NodeHealthCheckerService healthChecker = createNodeHealthCheckerService(conf);
    healthChecker.init(conf);
    LocalDirsHandlerService dirsHandler = healthChecker.getDiskHandler();
    NMContext nmContext = new NodeManager.NMContext(null, null, dirsHandler, new ApplicationACLsManager(conf), new NMNullStateStoreService(), false, conf);
    // Add an application and the corresponding containers
    RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(conf);
    String user = "nobody";
    long clusterTimeStamp = 1234;
    ApplicationId appId = BuilderUtils.newApplicationId(recordFactory, clusterTimeStamp, 1);
    Application app = mock(Application.class);
    when(app.getUser()).thenReturn(user);
    when(app.getAppId()).thenReturn(appId);
    ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(appId, 1);
    ContainerId container1 = BuilderUtils.newContainerId(recordFactory, appId, appAttemptId, 0);
    nmContext.getApplications().put(appId, app);
    MockContainer container = new MockContainer(appAttemptId, new AsyncDispatcher(), conf, user, appId, 1);
    container.setState(ContainerState.RUNNING);
    nmContext.getContainers().put(container1, container);
    List<File> files = null;
    files = ContainerLogsUtils.getContainerLogDirs(container1, user, nmContext);
    Assert.assertTrue(!(files.get(0).toString().contains("file:")));
    // After container is completed, it is removed from nmContext
    nmContext.getContainers().remove(container1);
    Assert.assertNull(nmContext.getContainers().get(container1));
    files = ContainerLogsUtils.getContainerLogDirs(container1, user, nmContext);
    Assert.assertTrue(!(files.get(0).toString().contains("file:")));
    // Create a new context to check if correct container log dirs are fetched
    // on full disk.
    LocalDirsHandlerService dirsHandlerForFullDisk = spy(dirsHandler);
    // good log dirs are empty and nm log dir is in the full log dir list.
    when(dirsHandlerForFullDisk.getLogDirs()).thenReturn(new ArrayList<String>());
    when(dirsHandlerForFullDisk.getLogDirsForRead()).thenReturn(Arrays.asList(new String[] { absLogDir.getAbsolutePath() }));
    nmContext = new NodeManager.NMContext(null, null, dirsHandlerForFullDisk, new ApplicationACLsManager(conf), new NMNullStateStoreService(), false, conf);
    nmContext.getApplications().put(appId, app);
    container.setState(ContainerState.RUNNING);
    nmContext.getContainers().put(container1, container);
    List<File> dirs = ContainerLogsUtils.getContainerLogDirs(container1, user, nmContext);
    File containerLogDir = new File(absLogDir, appId + "/" + container1);
    Assert.assertTrue(dirs.contains(containerLogDir));
}

Example 5 with LocalDirsHandlerService

use of org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService in project hadoop by apache.

the class TestContainerLogsPage method testContainerLogFile.

@Test(timeout = 30000)
public void testContainerLogFile() throws IOException, YarnException {
    File absLogDir = new File("target", TestNMWebServer.class.getSimpleName() + "LogDir").getAbsoluteFile();
    String logdirwithFile = absLogDir.toURI().toString();
    Configuration conf = new Configuration();
    conf.set(YarnConfiguration.NM_LOG_DIRS, logdirwithFile);
    conf.setFloat(YarnConfiguration.NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE, 0.0f);
    LocalDirsHandlerService dirsHandler = new LocalDirsHandlerService();
    dirsHandler.init(conf);
    NMContext nmContext = new NodeManager.NMContext(null, null, dirsHandler, new ApplicationACLsManager(conf), new NMNullStateStoreService(), false, conf);
    // Add an application and the corresponding containers
    String user = "nobody";
    long clusterTimeStamp = 1234;
    ApplicationId appId = BuilderUtils.newApplicationId(clusterTimeStamp, 1);
    Application app = mock(Application.class);
    when(app.getUser()).thenReturn(user);
    when(app.getAppId()).thenReturn(appId);
    ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(appId, 1);
    ContainerId containerId = BuilderUtils.newContainerId(appAttemptId, 1);
    nmContext.getApplications().put(appId, app);
    MockContainer container = new MockContainer(appAttemptId, new AsyncDispatcher(), conf, user, appId, 1);
    container.setState(ContainerState.RUNNING);
    nmContext.getContainers().put(containerId, container);
    File containerLogDir = new File(absLogDir, ContainerLaunch.getRelativeContainerLogDir(appId.toString(), containerId.toString()));
    containerLogDir.mkdirs();
    String fileName = "fileName";
    File containerLogFile = new File(containerLogDir, fileName);
    containerLogFile.createNewFile();
    File file = ContainerLogsUtils.getContainerLogFile(containerId, fileName, user, nmContext);
    Assert.assertEquals(containerLogFile.toURI().toString(), file.toURI().toString());
    FileUtil.fullyDelete(absLogDir);
}