Java Code Examples for org.apache.hadoop.yarn.api.records.LocalResource#setSize()

/**
 * @param file Path.
 * @param fs File system.
 * @param type Local resource type.
 * @throws Exception If failed.
 */
public static LocalResource setupFile(Path file, FileSystem fs, LocalResourceType type)
    throws Exception {
    LocalResource resource = Records.newRecord(LocalResource.class);

    file = fs.makeQualified(file);

    FileStatus stat = fs.getFileStatus(file);

    resource.setResource(ConverterUtils.getYarnUrlFromPath(file));
    resource.setSize(stat.getLen());
    resource.setTimestamp(stat.getModificationTime());
    resource.setType(type);
    resource.setVisibility(LocalResourceVisibility.APPLICATION);

    return resource;
}
 

static LocalResource createJar(FileContext files, Path p,
    LocalResourceVisibility vis) throws IOException {
  LOG.info("Create jar file " + p);
  File jarFile = new File((files.makeQualified(p)).toUri());
  FileOutputStream stream = new FileOutputStream(jarFile);
  LOG.info("Create jar out stream ");
  JarOutputStream out = new JarOutputStream(stream, new Manifest());
  LOG.info("Done writing jar stream ");
  out.close();
  LocalResource ret = recordFactory.newRecordInstance(LocalResource.class);
  ret.setResource(ConverterUtils.getYarnUrlFromPath(p));
  FileStatus status = files.getFileStatus(p);
  ret.setSize(status.getLen());
  ret.setTimestamp(status.getModificationTime());
  ret.setType(LocalResourceType.PATTERN);
  ret.setVisibility(vis);
  ret.setPattern("classes/.*");
  return ret;
}
 

static LocalResource createJarFile(FileContext files, Path p, int len,
    Random r, LocalResourceVisibility vis) throws IOException,
    URISyntaxException {
  byte[] bytes = new byte[len];
  r.nextBytes(bytes);

  File archiveFile = new File(p.toUri().getPath() + ".jar");
  archiveFile.createNewFile();
  JarOutputStream out = new JarOutputStream(
      new FileOutputStream(archiveFile));
  out.putNextEntry(new JarEntry(p.getName()));
  out.write(bytes);
  out.closeEntry();
  out.close();

  LocalResource ret = recordFactory.newRecordInstance(LocalResource.class);
  ret.setResource(ConverterUtils.getYarnUrlFromPath(new Path(p.toString()
      + ".jar")));
  ret.setSize(len);
  ret.setType(LocalResourceType.ARCHIVE);
  ret.setVisibility(vis);
  ret.setTimestamp(files.getFileStatus(new Path(p.toString() + ".jar"))
      .getModificationTime());
  return ret;
}
 

static LocalResource createJarFile(FileContext files, Path p, int len,
    Random r, LocalResourceVisibility vis) throws IOException,
    URISyntaxException {
  byte[] bytes = new byte[len];
  r.nextBytes(bytes);

  File archiveFile = new File(p.toUri().getPath() + ".jar");
  archiveFile.createNewFile();
  JarOutputStream out = new JarOutputStream(
      new FileOutputStream(archiveFile));
  out.putNextEntry(new JarEntry(p.getName()));
  out.write(bytes);
  out.closeEntry();
  out.close();

  LocalResource ret = recordFactory.newRecordInstance(LocalResource.class);
  ret.setResource(ConverterUtils.getYarnUrlFromPath(new Path(p.toString()
      + ".jar")));
  ret.setSize(len);
  ret.setType(LocalResourceType.ARCHIVE);
  ret.setVisibility(vis);
  ret.setTimestamp(files.getFileStatus(new Path(p.toString() + ".jar"))
      .getModificationTime());
  return ret;
}
 

static LocalResource createZipFile(FileContext files, Path p, int len,
    Random r, LocalResourceVisibility vis) throws IOException,
    URISyntaxException {
  byte[] bytes = new byte[len];
  r.nextBytes(bytes);

  File archiveFile = new File(p.toUri().getPath() + ".ZIP");
  archiveFile.createNewFile();
  ZipOutputStream out = new ZipOutputStream(
      new FileOutputStream(archiveFile));
  out.putNextEntry(new ZipEntry(p.getName()));
  out.write(bytes);
  out.closeEntry();
  out.close();

  LocalResource ret = recordFactory.newRecordInstance(LocalResource.class);
  ret.setResource(ConverterUtils.getYarnUrlFromPath(new Path(p.toString()
      + ".ZIP")));
  ret.setSize(len);
  ret.setType(LocalResourceType.ARCHIVE);
  ret.setVisibility(vis);
  ret.setTimestamp(files.getFileStatus(new Path(p.toString() + ".ZIP"))
      .getModificationTime());
  return ret;
}
 

public static LocalResource newLocalResource(URL url, LocalResourceType type,
    LocalResourceVisibility visibility, long size, long timestamp,
    boolean shouldBeUploadedToSharedCache) {
  LocalResource resource =
    recordFactory.newRecordInstance(LocalResource.class);
  resource.setResource(url);
  resource.setType(type);
  resource.setVisibility(visibility);
  resource.setSize(size);
  resource.setTimestamp(timestamp);
  resource.setShouldBeUploadedToSharedCache(shouldBeUploadedToSharedCache);
  return resource;
}
 

/**
 * Creates a YARN resource for the remote object at the given location.
 *
 * @param remoteRsrcPath	remote location of the resource
 * @param resourceSize		size of the resource
 * @param resourceModificationTime last modification time of the resource
 *
 * @return YARN resource
 */
private static LocalResource registerLocalResource(
		Path remoteRsrcPath,
		long resourceSize,
		long resourceModificationTime) {
	LocalResource localResource = Records.newRecord(LocalResource.class);
	localResource.setResource(ConverterUtils.getYarnUrlFromURI(remoteRsrcPath.toUri()));
	localResource.setSize(resourceSize);
	localResource.setTimestamp(resourceModificationTime);
	localResource.setType(LocalResourceType.FILE);
	localResource.setVisibility(LocalResourceVisibility.APPLICATION);
	return localResource;
}
 

public void addToLocalResourceMap(Map<String, LocalResource> localResources) throws IOException {
	Path dest = getHdfsPath();

	LocalResource rsrc = Records.newRecord(LocalResource.class);
	rsrc.setType(LocalResourceType.FILE);
	rsrc.setVisibility(LocalResourceVisibility.APPLICATION);
	rsrc.setResource(ConverterUtils.getYarnUrlFromPath(dest));

	FileStatus status = hdfs.getFileStatus(dest);
	rsrc.setTimestamp(status.getModificationTime());
	rsrc.setSize(status.getLen());

	localResources.put(getLocalPath().toString(), rsrc);
}
 

/**
 * Creates a LocalResource instance for the JAR file referenced by the given Path.
 *
 * @param path
 * @return
 * @throws IOException
 */
LocalResource makeLocalResourceForJarFile(final Path path) throws IOException {
  final LocalResource localResource = Records.newRecord(LocalResource.class);
  final FileStatus status = FileContext.getFileContext(this.fileSystem.getUri()).getFileStatus(path);
  localResource.setType(LocalResourceType.ARCHIVE);
  localResource.setVisibility(LocalResourceVisibility.APPLICATION);
  localResource.setResource(ConverterUtils.getYarnUrlFromPath(status.getPath()));
  localResource.setTimestamp(status.getModificationTime());
  localResource.setSize(status.getLen());
  return localResource;
}
 

static LocalResource createResource() {
  LocalResource ret = recordFactory.newRecordInstance(LocalResource.class);
  assertTrue(ret instanceof LocalResourcePBImpl);
  ret.setResource(ConverterUtils.getYarnUrlFromPath(new Path(
    "hdfs://y.ak:8020/foo/bar")));
  ret.setSize(4344L);
  ret.setTimestamp(3141592653589793L);
  ret.setVisibility(LocalResourceVisibility.PUBLIC);
  return ret;
}
 

private void setupAppMasterJar(Path jarPath, LocalResource appMasterJar) throws IOException {
    FileStatus jarStat = FileSystem.get(conf).getFileStatus(jarPath);
    appMasterJar.setResource(ConverterUtils.getYarnUrlFromPath(jarPath));
    appMasterJar.setSize(jarStat.getLen());
    appMasterJar.setTimestamp(jarStat.getModificationTime());
    appMasterJar.setType(LocalResourceType.FILE);
    appMasterJar.setVisibility(LocalResourceVisibility.PUBLIC);
}
 

/**
 * Helper function to create a YARN LocalResource
 * @param fs FileSystem object
 * @param p Path of resource to localize
 * @param type LocalResource Type
 * @return a YARN LocalResource for the given Path
 * @throws IOException
 */
static LocalResource createLocalResource(FileSystem fs, Path p,
    LocalResourceType type,
    LocalResourceVisibility visibility) throws IOException {
  LocalResource rsrc = Records.newRecord(LocalResource.class);
  FileStatus rsrcStat = fs.getFileStatus(p);
  rsrc.setResource(ConverterUtils.getYarnUrlFromPath(fs.resolvePath(rsrcStat
      .getPath())));
  rsrc.setSize(rsrcStat.getLen());
  rsrc.setTimestamp(rsrcStat.getModificationTime());
  rsrc.setType(type);
  rsrc.setVisibility(visibility);
  return rsrc;
}
 

public static LocalResource newLocalResource(URL url, LocalResourceType type,
    LocalResourceVisibility visibility, long size, long timestamp,
    boolean shouldBeUploadedToSharedCache) {
  LocalResource resource =
    recordFactory.newRecordInstance(LocalResource.class);
  resource.setResource(url);
  resource.setType(type);
  resource.setVisibility(visibility);
  resource.setSize(size);
  resource.setTimestamp(timestamp);
  resource.setShouldBeUploadedToSharedCache(shouldBeUploadedToSharedCache);
  return resource;
}
 

private LocalResource createApplicationResource(FileContext fs, Path p,
    LocalResourceType type) throws IOException {
  LocalResource rsrc = Records.newRecord(LocalResource.class);
  FileStatus rsrcStat = fs.getFileStatus(p);
  rsrc.setResource(ConverterUtils.getYarnUrlFromPath(fs
      .getDefaultFileSystem().resolvePath(rsrcStat.getPath())));
  rsrc.setSize(rsrcStat.getLen());
  rsrc.setTimestamp(rsrcStat.getModificationTime());
  rsrc.setType(type);
  rsrc.setVisibility(LocalResourceVisibility.APPLICATION);
  return rsrc;
}
 

static LocalResource createFile(FileContext files, Path p, int len,
    Random r, LocalResourceVisibility vis) throws IOException {
  createFile(files, p, len, r);
  LocalResource ret = recordFactory.newRecordInstance(LocalResource.class);
  ret.setResource(ConverterUtils.getYarnUrlFromPath(p));
  ret.setSize(len);
  ret.setType(LocalResourceType.FILE);
  ret.setVisibility(vis);
  ret.setTimestamp(files.getFileStatus(p).getModificationTime());
  return ret;
}
 

private LocalResource registerLocalResource(FileSystem fs, Path remoteRsrcPath)
        throws IOException
{
    LocalResource localResource = Records.newRecord(LocalResource.class);
    FileStatus jarStat = fs.getFileStatus(remoteRsrcPath);
    localResource.setResource(ConverterUtils.getYarnUrlFromURI(remoteRsrcPath.toUri()));
    localResource.setSize(jarStat.getLen());
    localResource.setTimestamp(jarStat.getModificationTime());
    localResource.setType(LocalResourceType.FILE);
    localResource.setVisibility(LocalResourceVisibility.APPLICATION);
    return localResource;
}
 

/**
 * Helper function to create a YARN LocalResource
 * @param fs FileSystem object
 * @param p Path of resource to localize
 * @param type LocalResource Type
 * @return a YARN LocalResource for the given Path
 * @throws IOException
 */
static LocalResource createLocalResource(FileSystem fs, Path p,
    LocalResourceType type,
    LocalResourceVisibility visibility) throws IOException {
  LocalResource rsrc = Records.newRecord(LocalResource.class);
  FileStatus rsrcStat = fs.getFileStatus(p);
  rsrc.setResource(ConverterUtils.getYarnUrlFromPath(fs.resolvePath(rsrcStat
      .getPath())));
  rsrc.setSize(rsrcStat.getLen());
  rsrc.setTimestamp(rsrcStat.getModificationTime());
  rsrc.setType(type);
  rsrc.setVisibility(visibility);
  return rsrc;
}
 

@Test
public void testContainerSetup() throws Exception {

  containerManager.start();

  // ////// Create the resources for the container
  File dir = new File(tmpDir, "dir");
  dir.mkdirs();
  File file = new File(dir, "file");
  PrintWriter fileWriter = new PrintWriter(file);
  fileWriter.write("Hello World!");
  fileWriter.close();

  // ////// Construct the Container-id
  ContainerId cId = createContainerId(0);

  // ////// Construct the container-spec.
  ContainerLaunchContext containerLaunchContext = 
      recordFactory.newRecordInstance(ContainerLaunchContext.class);
  URL resource_alpha =
      ConverterUtils.getYarnUrlFromPath(localFS
          .makeQualified(new Path(file.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(file.lastModified());
  String destinationFile = "dest_file";
  Map<String, LocalResource> localResources = 
      new HashMap<String, LocalResource>();
  localResources.put(destinationFile, rsrc_alpha);
  containerLaunchContext.setLocalResources(localResources);

  StartContainerRequest scRequest =
      StartContainerRequest.newInstance(
        containerLaunchContext,
        createContainerToken(cId, DUMMY_RM_IDENTIFIER, context.getNodeId(),
          user, context.getContainerTokenSecretManager()));
  List<StartContainerRequest> list = new ArrayList<StartContainerRequest>();
  list.add(scRequest);
  StartContainersRequest allRequests =
      StartContainersRequest.newInstance(list);
  containerManager.startContainers(allRequests);

  BaseContainerManagerTest.waitForContainerState(containerManager, cId,
      ContainerState.COMPLETE);

  // Now ascertain that the resources are localised correctly.
  ApplicationId appId = cId.getApplicationAttemptId().getApplicationId();
  String appIDStr = ConverterUtils.toString(appId);
  String containerIDStr = ConverterUtils.toString(cId);
  File userCacheDir = new File(localDir, ContainerLocalizer.USERCACHE);
  File userDir = new File(userCacheDir, user);
  File appCache = new File(userDir, ContainerLocalizer.APPCACHE);
  File appDir = new File(appCache, appIDStr);
  File containerDir = new File(appDir, containerIDStr);
  File targetFile = new File(containerDir, destinationFile);
  File sysDir =
      new File(localDir,
          ResourceLocalizationService.NM_PRIVATE_DIR);
  File appSysDir = new File(sysDir, appIDStr);
  File containerSysDir = new File(appSysDir, containerIDStr);

  for (File f : new File[] { localDir, sysDir, userCacheDir, appDir,
      appSysDir,
      containerDir, containerSysDir }) {
    Assert.assertTrue(f.getAbsolutePath() + " doesn't exist!!", f.exists());
    Assert.assertTrue(f.getAbsolutePath() + " is not a directory!!",
        f.isDirectory());
  }
  Assert.assertTrue(targetFile.getAbsolutePath() + " doesn't exist!!",
      targetFile.exists());

  // Now verify the contents of the file
  BufferedReader reader = new BufferedReader(new FileReader(targetFile));
  Assert.assertEquals("Hello World!", reader.readLine());
  Assert.assertEquals(null, reader.readLine());
}
 

@Test
public void testContainerSetup() throws Exception {

  containerManager.start();

  // ////// Create the resources for the container
  File dir = new File(tmpDir, "dir");
  dir.mkdirs();
  File file = new File(dir, "file");
  PrintWriter fileWriter = new PrintWriter(file);
  fileWriter.write("Hello World!");
  fileWriter.close();

  // ////// Construct the Container-id
  ContainerId cId = createContainerId(0);

  // ////// Construct the container-spec.
  ContainerLaunchContext containerLaunchContext = 
      recordFactory.newRecordInstance(ContainerLaunchContext.class);
  URL resource_alpha =
      ConverterUtils.getYarnUrlFromPath(localFS
          .makeQualified(new Path(file.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(file.lastModified());
  String destinationFile = "dest_file";
  Map<String, LocalResource> localResources = 
      new HashMap<String, LocalResource>();
  localResources.put(destinationFile, rsrc_alpha);
  containerLaunchContext.setLocalResources(localResources);

  StartContainerRequest scRequest =
      StartContainerRequest.newInstance(
        containerLaunchContext,
        createContainerToken(cId, DUMMY_RM_IDENTIFIER, context.getNodeId(),
          user, context.getContainerTokenSecretManager()));
  List<StartContainerRequest> list = new ArrayList<StartContainerRequest>();
  list.add(scRequest);
  StartContainersRequest allRequests =
      StartContainersRequest.newInstance(list);
  containerManager.startContainers(allRequests);

  BaseContainerManagerTest.waitForContainerState(containerManager, cId,
      ContainerState.COMPLETE);

  // Now ascertain that the resources are localised correctly.
  ApplicationId appId = cId.getApplicationAttemptId().getApplicationId();
  String appIDStr = ConverterUtils.toString(appId);
  String containerIDStr = ConverterUtils.toString(cId);
  File userCacheDir = new File(localDir, ContainerLocalizer.USERCACHE);
  File userDir = new File(userCacheDir, user);
  File appCache = new File(userDir, ContainerLocalizer.APPCACHE);
  File appDir = new File(appCache, appIDStr);
  File containerDir = new File(appDir, containerIDStr);
  File targetFile = new File(containerDir, destinationFile);
  File sysDir =
      new File(localDir,
          ResourceLocalizationService.NM_PRIVATE_DIR);
  File appSysDir = new File(sysDir, appIDStr);
  File containerSysDir = new File(appSysDir, containerIDStr);

  for (File f : new File[] { localDir, sysDir, userCacheDir, appDir,
      appSysDir,
      containerDir, containerSysDir }) {
    Assert.assertTrue(f.getAbsolutePath() + " doesn't exist!!", f.exists());
    Assert.assertTrue(f.getAbsolutePath() + " is not a directory!!",
        f.isDirectory());
  }
  Assert.assertTrue(targetFile.getAbsolutePath() + " doesn't exist!!",
      targetFile.exists());

  // Now verify the contents of the file
  BufferedReader reader = new BufferedReader(new FileReader(targetFile));
  Assert.assertEquals("Hello World!", reader.readLine());
  Assert.assertEquals(null, reader.readLine());
}
 

private void testContainerLaunchAndExit(int exitCode) throws IOException,
    InterruptedException, YarnException {

 File scriptFile = Shell.appendScriptExtension(tmpDir, "scriptFile");
 PrintWriter fileWriter = new PrintWriter(scriptFile);
 File processStartFile =
	  new File(tmpDir, "start_file.txt").getAbsoluteFile();

 // ////// Construct the Container-id
 ContainerId cId = createContainerId(0);

 if (Shell.WINDOWS) {
   fileWriter.println("@echo Hello World!> " + processStartFile);
   fileWriter.println("@echo " + cId + ">> " + processStartFile);
   if (exitCode != 0) {
     fileWriter.println("@exit " + exitCode);
   }
 } else {
   fileWriter.write("\numask 0"); // So that start file is readable by the test
   fileWriter.write("\necho Hello World! > " + processStartFile);
   fileWriter.write("\necho $$ >> " + processStartFile); 
   // Have script throw an exit code at the end
   if (exitCode != 0) {
     fileWriter.write("\nexit "+exitCode);
   }
 }
 
 fileWriter.close();

 ContainerLaunchContext containerLaunchContext = 
	  recordFactory.newRecordInstance(ContainerLaunchContext.class);

 URL resource_alpha =
	  ConverterUtils.getYarnUrlFromPath(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 = Arrays.asList(Shell.getRunScriptCommand(scriptFile));
 containerLaunchContext.setCommands(commands);

  StartContainerRequest scRequest =
      StartContainerRequest.newInstance(
        containerLaunchContext,
        createContainerToken(cId, DUMMY_RM_IDENTIFIER, context.getNodeId(),
          user, context.getContainerTokenSecretManager()));
  List<StartContainerRequest> list = new ArrayList<StartContainerRequest>();
  list.add(scRequest);
  StartContainersRequest allRequests =
      StartContainersRequest.newInstance(list);
  containerManager.startContainers(allRequests);

 BaseContainerManagerTest.waitForContainerState(containerManager, cId,
	  ContainerState.COMPLETE);

  List<ContainerId> containerIds = new ArrayList<ContainerId>();
  containerIds.add(cId);
  GetContainerStatusesRequest gcsRequest =
      GetContainerStatusesRequest.newInstance(containerIds);
 ContainerStatus containerStatus = 
	  containerManager.getContainerStatuses(gcsRequest).getContainerStatuses().get(0);

 // Verify exit status matches exit state of script
 Assert.assertEquals(exitCode,
	  containerStatus.getExitStatus());	    
}