List of usage examples for org.apache.hadoop.yarn.conf YarnConfiguration IS_MINI_YARN_CLUSTER
String IS_MINI_YARN_CLUSTER
To view the source code for org.apache.hadoop.yarn.conf YarnConfiguration IS_MINI_YARN_CLUSTER.
Click Source Link
From source file:io.hops.tensorflow.Client.java
License:Apache License
private Map<String, String> setupLaunchEnv() throws IOException { LOG.info("Set the environment for the application master"); Map<String, String> env = new HashMap<>(); if (domainId != null && domainId.length() > 0) { env.put(Constants.YARNTFTIMELINEDOMAIN, domainId); }//from w w w . ja v a 2s .com // Add AppMaster.jar location to classpath StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$$()) .append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./*"); for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_CROSS_PLATFORM_APPLICATION_CLASSPATH)) { classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR); classPathEnv.append(c.trim()); } classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./log4j.properties"); // add the runtime classpath needed for tests to work if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':'); classPathEnv.append(System.getProperty("java.class.path")); } env.put("CLASSPATH", classPathEnv.toString()); return env; }
From source file:me.haosdent.noya.Client.java
License:Apache License
/** * Main run function for the client/*from w w w.j a va2s. co m*/ * * @return true if application completed successfully * * @throws java.io.IOException * @throws org.apache.hadoop.yarn.exceptions.YarnException */ public boolean run() throws IOException, YarnException { LOG.info("Running Client"); yarnClient.start(); YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics(); LOG.info("Got Cluster metric info from ASM" + ", numNodeManagers=" + clusterMetrics.getNumNodeManagers()); List<NodeReport> clusterNodeReports = yarnClient.getNodeReports(NodeState.RUNNING); LOG.info("Got Cluster node info from ASM"); for (NodeReport node : clusterNodeReports) { LOG.info("Got node report from ASM for" + ", nodeId=" + node.getNodeId() + ", nodeAddress" + node.getHttpAddress() + ", nodeRackName" + node.getRackName() + ", nodeNumContainers" + node.getNumContainers()); } QueueInfo queueInfo = yarnClient.getQueueInfo(this.amQueue); LOG.info("Queue info" + ", queueName=" + queueInfo.getQueueName() + ", queueCurrentCapacity=" + queueInfo.getCurrentCapacity() + ", queueMaxCapacity=" + queueInfo.getMaximumCapacity() + ", queueApplicationCount=" + queueInfo.getApplications().size() + ", queueChildQueueCount=" + queueInfo.getChildQueues().size()); List<QueueUserACLInfo> listAclInfo = yarnClient.getQueueAclsInfo(); for (QueueUserACLInfo aclInfo : listAclInfo) { for (QueueACL userAcl : aclInfo.getUserAcls()) { LOG.info("User ACL Info for Queue" + ", queueName=" + aclInfo.getQueueName() + ", userAcl=" + userAcl.name()); } } // Get a new application id YarnClientApplication app = yarnClient.createApplication(); GetNewApplicationResponse appResponse = app.getNewApplicationResponse(); // TODO get min/max resource capabilities from RM and change memory ask if needed // If we do not have min/max, we may not be able to correctly request // the required resources from the RM for the app master // Memory ask has to be a multiple of min and less than max. // Dump out information about cluster capability as seen by the resource manager int maxMem = appResponse.getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); // A resource ask cannot exceed the max. if (amMemory > maxMem) { LOG.info("AM memory specified above max threshold of cluster. Using max value." + ", specified=" + amMemory + ", max=" + maxMem); amMemory = maxMem; } int maxVCores = appResponse.getMaximumResourceCapability().getVirtualCores(); LOG.info("Max virtual cores capabililty of resources in this cluster " + maxVCores); if (amVCores > maxVCores) { LOG.info("AM virtual cores specified above max threshold of cluster. " + "Using max value." + ", specified=" + amVCores + ", max=" + maxVCores); amVCores = maxVCores; } // set the application name ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext(); ApplicationId appId = appContext.getApplicationId(); //appContext.setKeepContainersAcrossApplicationAttempts(keepContainers); appContext.setApplicationName(appName); // Set up the container launch context for the application master ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class); // set local resources for the application master // local files or archives as needed // In this scenario, the jar file for the application master is part of the local resources Map<String, LocalResource> localResources = new HashMap<String, LocalResource>(); LOG.info("Copy App Master jar from local filesystem and add to local environment"); // Copy the application master jar to the filesystem // Create a local resource to point to the destination jar path FileSystem fs = FileSystem.get(conf); addToLocalResources(fs, appMasterJar, appMasterJarPath, appId.toString(), localResources, null); // Set the log4j properties if needed if (!log4jPropFile.isEmpty()) { addToLocalResources(fs, log4jPropFile, log4jPath, appId.toString(), localResources, null); } // The shell script has to be made available on the final container(s) // where it will be executed. // To do this, we need to first copy into the filesystem that is visible // to the yarn framework. // We do not need to set this as a local resource for the application // master as the application master does not need it. String hdfsShellScriptLocation = ""; long hdfsShellScriptLen = 0; long hdfsShellScriptTimestamp = 0; if (!shellScriptPath.isEmpty()) { Path shellSrc = new Path(shellScriptPath); String shellPathSuffix = appName + "/" + appId.toString() + "/" + SCRIPT_PATH; Path shellDst = new Path(fs.getHomeDirectory(), shellPathSuffix); fs.copyFromLocalFile(false, true, shellSrc, shellDst); hdfsShellScriptLocation = shellDst.toUri().toString(); FileStatus shellFileStatus = fs.getFileStatus(shellDst); hdfsShellScriptLen = shellFileStatus.getLen(); hdfsShellScriptTimestamp = shellFileStatus.getModificationTime(); } if (!shellCommand.isEmpty()) { addToLocalResources(fs, null, shellCommandPath, appId.toString(), localResources, shellCommand); } if (shellArgs.length > 0) { addToLocalResources(fs, null, shellArgsPath, appId.toString(), localResources, StringUtils.join(shellArgs, " ")); } // Set local resource info into app master container launch context amContainer.setLocalResources(localResources); // Set the necessary security tokens as needed //amContainer.setContainerTokens(containerToken); // Set the env variables to be setup in the env where the application master will be run LOG.info("Set the environment for the application master"); Map<String, String> env = new HashMap<String, String>(); // put location of shell script into env // using the env info, the application master will create the correct local resource for the // eventual containers that will be launched to execute the shell scripts env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTLOCATION, hdfsShellScriptLocation); env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTTIMESTAMP, Long.toString(hdfsShellScriptTimestamp)); env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTLEN, Long.toString(hdfsShellScriptLen)); // Add AppMaster.jar location to classpath // At some point we should not be required to add // the hadoop specific classpaths to the env. // It should be provided out of the box. // For now setting all required classpaths including // the classpath to "." for the application jar StringBuilder classPathEnv = new StringBuilder(ApplicationConstants.Environment.CLASSPATH.$$()) .append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./*"); for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, ApplicationConstants.DEFAULT_YARN_CROSS_PLATFORM_APPLICATION_CLASSPATH)) { classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR); classPathEnv.append(c.trim()); } classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./log4j.properties"); // add the runtime classpath needed for tests to work if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':'); classPathEnv.append(System.getProperty("java.class.path")); } env.put("CLASSPATH", classPathEnv.toString()); amContainer.setEnvironment(env); // Set the necessary command to execute the application master Vector<CharSequence> vargs = new Vector<CharSequence>(30); // Set java executable command LOG.info("Setting up app master command"); vargs.add(ApplicationConstants.Environment.JAVA_HOME.$$() + "/bin/java"); // Set Xmx based on am memory size vargs.add("-Xmx" + amMemory + "m"); // Set class name vargs.add(appMasterMainClass); // Set params for Application Master vargs.add("--container_memory " + String.valueOf(containerMemory)); vargs.add("--container_vcores " + String.valueOf(containerVirtualCores)); vargs.add("--num_containers " + String.valueOf(numContainers)); vargs.add("--priority " + String.valueOf(shellCmdPriority)); for (Map.Entry<String, String> entry : shellEnv.entrySet()) { vargs.add("--shell_env " + entry.getKey() + "=" + entry.getValue()); } if (debugFlag) { vargs.add("--debug"); } vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stdout"); vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stderr"); // Get final commmand StringBuilder command = new StringBuilder(); for (CharSequence str : vargs) { command.append(str).append(" "); } LOG.info("Completed setting up app master command " + command.toString()); List<String> commands = new ArrayList<String>(); //commands.add(command.toString()); commands.add("echo 'hello' >/tmp/yarn_test"); amContainer.setCommands(commands); // Set up resource type requirements // For now, both memory and vcores are supported, so we set memory and // vcores requirements Resource capability = Records.newRecord(Resource.class); capability.setMemory(amMemory); capability.setVirtualCores(amVCores); appContext.setResource(capability); // Service data is a binary blob that can be passed to the application // Not needed in this scenario // amContainer.setServiceData(serviceData); // Setup security tokens if (UserGroupInformation.isSecurityEnabled()) { Credentials credentials = new Credentials(); String tokenRenewer = conf.get(YarnConfiguration.RM_PRINCIPAL); if (tokenRenewer == null || tokenRenewer.length() == 0) { throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer"); } // For now, only getting tokens for the default file-system. final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials); if (tokens != null) { for (Token<?> token : tokens) { LOG.info("Got dt for " + fs.getUri() + "; " + token); } } DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); amContainer.setTokens(fsTokens); } appContext.setAMContainerSpec(amContainer); // Set the priority for the application master Priority pri = Records.newRecord(Priority.class); // TODO - what is the range for priority? how to decide? pri.setPriority(amPriority); appContext.setPriority(pri); // Set the queue to which this application is to be submitted in the RM appContext.setQueue(amQueue); // Submit the application to the applications manager // SubmitApplicationResponse submitResp = applicationsManager.submitApplication(appRequest); // Ignore the response as either a valid response object is returned on success // or an exception thrown to denote some form of a failure LOG.info("Submitting application to ASM"); yarnClient.submitApplication(appContext); // TODO // Try submitting the same request again // app submission failure? // Monitor the application return monitorApplication(appId); }
From source file:ml.shifu.guagua.yarn.util.YarnUtils.java
License:Apache License
/** * Populate the environment string map to be added to the environment vars in a remote execution container. * /*w ww . ja v a 2 s. com*/ * @param env * the map of env var values. * @param conf * the Configuration to pull values from. */ public static void addLocalClasspathToEnv(final Map<String, String> env, final Configuration conf) { StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$()); // add current folder classPathEnv.append(File.pathSeparatorChar).append("./*"); // add yarn app classpath for (String cpEntry : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH)) { classPathEnv.append(File.pathSeparatorChar).append(cpEntry.trim()); } for (String jar : conf.getStrings(MRJobConfig.MAPREDUCE_APPLICATION_CLASSPATH, org.apache.hadoop.util.StringUtils .getStrings(MRJobConfig.DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH))) { classPathEnv.append(File.pathSeparatorChar).append(jar.trim()); } // add the runtime classpath needed for tests to work if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(File.pathSeparatorChar).append(Environment.CLASSPATH.$()); } // add guagua app jar file String path = getFileName(conf.get(GuaguaYarnConstants.GUAGUA_YARN_APP_JAR)); classPathEnv.append(GuaguaYarnConstants.CURRENT_DIR).append(path).append(File.pathSeparatorChar); // Any libraries we may have copied over? String libs = conf.get(GuaguaYarnConstants.GUAGUA_YARN_APP_LIB_JAR); if (StringUtils.isNotEmpty(libs)) { for (String jar : Splitter.on(GuaguaYarnConstants.GUAGUA_APP_LIBS_SEPERATOR).split(libs)) { classPathEnv.append(GuaguaYarnConstants.CURRENT_DIR).append(getFileName(jar.trim())) .append(File.pathSeparatorChar); } } // add log4j classPathEnv.append(GuaguaYarnConstants.CURRENT_DIR).append(GuaguaYarnConstants.GUAGUA_LOG4J_PROPERTIES) .append(File.pathSeparatorChar); // add guagua-conf.xml classPathEnv.append(GuaguaYarnConstants.CURRENT_DIR).append(GuaguaYarnConstants.GUAGUA_CONF_FILE); env.put(Environment.CLASSPATH.toString(), classPathEnv.toString()); }
From source file:org.apache.asterix.aoya.AsterixApplicationMaster.java
License:Apache License
/** * Here I am just pointing the Containers to the exisiting HDFS resources given by the Client * filesystem of the nodes./*from www.j a v a2 s . c o m*/ * * @throws IOException */ private void localizeDFSResources() throws IOException { //if performing an 'offline' task, skip a lot of resource distribution if (obliterate || backup || restore) { if (appMasterJar == null || ("").equals(appMasterJar)) { //this can happen in a jUnit testing environment. we don't need to set it there. if (!conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { throw new IllegalStateException("AM jar not provided in environment."); } else { return; } } FileSystem fs = FileSystem.get(conf); FileStatus appMasterJarStatus = fs.getFileStatus(appMasterJar); LocalResource obliteratorJar = Records.newRecord(LocalResource.class); obliteratorJar.setType(LocalResourceType.FILE); obliteratorJar.setVisibility(LocalResourceVisibility.PRIVATE); obliteratorJar.setResource(ConverterUtils.getYarnUrlFromPath(appMasterJar)); obliteratorJar.setTimestamp(appMasterJarStatus.getModificationTime()); obliteratorJar.setSize(appMasterJarStatus.getLen()); localResources.put("asterix-yarn.jar", obliteratorJar); LOG.info(localResources.values()); return; } //otherwise, distribute evertything to start up asterix LocalResource asterixZip = Records.newRecord(LocalResource.class); //this un-tar's the asterix distribution asterixZip.setType(LocalResourceType.ARCHIVE); asterixZip.setVisibility(LocalResourceVisibility.PRIVATE); try { asterixZip.setResource(ConverterUtils.getYarnUrlFromURI(new URI(asterixZipPath))); } catch (URISyntaxException e) { LOG.error("Error locating Asterix zip" + " in env, path=" + asterixZipPath); throw new IOException(e); } asterixZip.setTimestamp(asterixZipTimestamp); asterixZip.setSize(asterixZipLen); localResources.put(ASTERIX_ZIP_NAME, asterixZip); //now let's do the same for the cluster description XML LocalResource asterixConf = Records.newRecord(LocalResource.class); asterixConf.setType(LocalResourceType.FILE); asterixConf.setVisibility(LocalResourceVisibility.PRIVATE); try { asterixConf.setResource(ConverterUtils.getYarnUrlFromURI(new URI(asterixConfPath))); } catch (URISyntaxException e) { LOG.error("Error locating Asterix config" + " in env, path=" + asterixConfPath); throw new IOException(e); } //TODO: I could avoid localizing this everywhere by only calling this block on the metadata node. asterixConf.setTimestamp(asterixConfTimestamp); asterixConf.setSize(asterixConfLen); localResources.put("cluster-config.xml", asterixConf); //now add the libraries if there are any try { FileSystem fs = FileSystem.get(conf); Path p = new Path(dfsBasePath, instanceConfPath + File.separator + "library" + Path.SEPARATOR); if (fs.exists(p)) { FileStatus[] dataverses = fs.listStatus(p); for (FileStatus d : dataverses) { if (!d.isDirectory()) throw new IOException("Library configuration directory structure is incorrect"); FileStatus[] libraries = fs.listStatus(d.getPath()); for (FileStatus l : libraries) { if (l.isDirectory()) throw new IOException("Library configuration directory structure is incorrect"); LocalResource lr = Records.newRecord(LocalResource.class); lr.setResource(ConverterUtils.getYarnUrlFromURI(l.getPath().toUri())); lr.setSize(l.getLen()); lr.setTimestamp(l.getModificationTime()); lr.setType(LocalResourceType.ARCHIVE); lr.setVisibility(LocalResourceVisibility.PRIVATE); localResources.put("library" + Path.SEPARATOR + d.getPath().getName() + Path.SEPARATOR + l.getPath().getName().split("\\.")[0], lr); LOG.info("Found library: " + l.getPath().toString()); LOG.info(l.getPath().getName()); } } } } catch (FileNotFoundException e) { LOG.info("No external libraries present"); //do nothing, it just means there aren't libraries. that is possible and ok // it should be handled by the fs.exists(p) check though. } LOG.info(localResources.values()); }
From source file:org.apache.giraph.yarn.YarnUtils.java
License:Apache License
/** * Popuate the environment string map to be added to the environment vars * in a remote execution container. Adds the local classpath to pick up * "yarn-site.xml" and "mapred-site.xml" stuff. * @param env the map of env var values. * @param giraphConf the GiraphConfiguration to pull values from. *//* w w w .ja v a 2s . c om*/ public static void addLocalClasspathToEnv(final Map<String, String> env, final GiraphConfiguration giraphConf) { StringBuilder classPathEnv = new StringBuilder("${CLASSPATH}:./*"); for (String cpEntry : giraphConf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH)) { classPathEnv.append(':').append(cpEntry.trim()); //TODO: Separator } for (String cpEntry : giraphConf.getStrings(MRJobConfig.MAPREDUCE_APPLICATION_CLASSPATH, StringUtils.getStrings(MRJobConfig.DEFAULT_MAPREDUCE_APPLICATION_CLASSPATH))) { classPathEnv.append(':').append(cpEntry.trim()); } // add the runtime classpath needed for tests to work if (giraphConf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':').append(System.getenv("CLASSPATH")); } env.put("CLASSPATH", classPathEnv.toString()); }
From source file:org.apache.helix.provisioning.yarn.AppLauncher.java
License:Apache License
public boolean launch() throws Exception { LOG.info("Running Client"); yarnClient.start();/*from w w w .j a v a 2 s.c o m*/ // Get a new application id YarnClientApplication app = yarnClient.createApplication(); GetNewApplicationResponse appResponse = app.getNewApplicationResponse(); // TODO get min/max resource capabilities from RM and change memory ask if needed // If we do not have min/max, we may not be able to correctly request // the required resources from the RM for the app master // Memory ask has to be a multiple of min and less than max. // Dump out information about cluster capability as seen by the resource manager int maxMem = appResponse.getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); // set the application name ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext(); _appId = appContext.getApplicationId(); _appMasterConfig.setAppId(_appId.getId()); String appName = _applicationSpec.getAppName(); _appMasterConfig.setAppName(appName); _appMasterConfig.setApplicationSpecFactory(_applicationSpecFactory.getClass().getCanonicalName()); appContext.setApplicationName(appName); // Set up the container launch context for the application master ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class); LOG.info("Copy Application archive file from local filesystem and add to local environment"); // Copy the application master jar to the filesystem // Create a local resource to point to the destination jar path FileSystem fs = FileSystem.get(_conf); // get packages for each component packages Map<String, URI> packages = new HashMap<String, URI>(); packages.put(AppMasterConfig.AppEnvironment.APP_MASTER_PKG.toString(), appMasterArchive.toURI()); packages.put(AppMasterConfig.AppEnvironment.APP_SPEC_FILE.toString(), _yamlConfigFile.toURI()); for (String serviceName : _applicationSpec.getServices()) { packages.put(serviceName, _applicationSpec.getServicePackage(serviceName)); } Map<String, Path> hdfsDest = new HashMap<String, Path>(); Map<String, String> classpathMap = new HashMap<String, String>(); for (String name : packages.keySet()) { URI uri = packages.get(name); Path dst = copyToHDFS(fs, name, uri); hdfsDest.put(name, dst); String classpath = generateClasspathAfterExtraction(name, new File(uri)); classpathMap.put(name, classpath); _appMasterConfig.setClasspath(name, classpath); String serviceMainClass = _applicationSpec.getServiceMainClass(name); if (serviceMainClass != null) { _appMasterConfig.setMainClass(name, serviceMainClass); } } // Get YAML files describing all workflows to immediately start Map<String, URI> workflowFiles = new HashMap<String, URI>(); List<TaskConfig> taskConfigs = _applicationSpec.getTaskConfigs(); if (taskConfigs != null) { for (TaskConfig taskConfig : taskConfigs) { URI configUri = taskConfig.getYamlURI(); if (taskConfig.name != null && configUri != null) { workflowFiles.put(taskConfig.name, taskConfig.getYamlURI()); } } } // set local resources for the application master // local files or archives as needed // In this scenario, the jar file for the application master is part of the local resources Map<String, LocalResource> localResources = new HashMap<String, LocalResource>(); LocalResource appMasterPkg = setupLocalResource(fs, hdfsDest.get(AppMasterConfig.AppEnvironment.APP_MASTER_PKG.toString())); LocalResource appSpecFile = setupLocalResource(fs, hdfsDest.get(AppMasterConfig.AppEnvironment.APP_SPEC_FILE.toString())); localResources.put(AppMasterConfig.AppEnvironment.APP_MASTER_PKG.toString(), appMasterPkg); localResources.put(AppMasterConfig.AppEnvironment.APP_SPEC_FILE.toString(), appSpecFile); for (String name : workflowFiles.keySet()) { URI uri = workflowFiles.get(name); Path dst = copyToHDFS(fs, name, uri); LocalResource taskLocalResource = setupLocalResource(fs, dst); localResources.put(AppMasterConfig.AppEnvironment.TASK_CONFIG_FILE.toString() + "_" + name, taskLocalResource); } // Set local resource info into app master container launch context amContainer.setLocalResources(localResources); // Set the necessary security tokens as needed // amContainer.setContainerTokens(containerToken); // Add AppMaster.jar location to classpath // At some point we should not be required to add // the hadoop specific classpaths to the env. // It should be provided out of the box. // For now setting all required classpaths including // the classpath to "." for the application jar StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$()).append(File.pathSeparatorChar) .append("./*").append(File.pathSeparatorChar); classPathEnv.append(classpathMap.get(AppMasterConfig.AppEnvironment.APP_MASTER_PKG.toString())); for (String c : _conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH)) { classPathEnv.append(File.pathSeparatorChar); classPathEnv.append(c.trim()); } classPathEnv.append(File.pathSeparatorChar).append("./log4j.properties"); // add the runtime classpath needed for tests to work if (_conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':'); classPathEnv.append(System.getProperty("java.class.path")); } LOG.info("\n\n Setting the classpath to launch AppMaster:\n\n"); // Set the env variables to be setup in the env where the application master will be run Map<String, String> env = new HashMap<String, String>(_appMasterConfig.getEnv()); env.put("CLASSPATH", classPathEnv.toString()); amContainer.setEnvironment(env); // Set the necessary command to execute the application master Vector<CharSequence> vargs = new Vector<CharSequence>(30); // Set java executable command LOG.info("Setting up app master launch command"); vargs.add(Environment.JAVA_HOME.$() + "/bin/java"); int amMemory = 4096; // Set Xmx based on am memory size vargs.add("-Xmx" + amMemory + "m"); // Set class name vargs.add(AppMasterLauncher.class.getCanonicalName()); // Set params for Application Master // vargs.add("--num_containers " + String.valueOf(numContainers)); vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stdout"); vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stderr"); // Get final commmand StringBuilder command = new StringBuilder(); for (CharSequence str : vargs) { command.append(str).append(" "); } LOG.info("Completed setting up app master command " + command.toString()); List<String> commands = new ArrayList<String>(); commands.add(command.toString()); amContainer.setCommands(commands); // Set up resource type requirements // For now, only memory is supported so we set memory requirements Resource capability = Records.newRecord(Resource.class); capability.setMemory(amMemory); appContext.setResource(capability); // Service data is a binary blob that can be passed to the application // Not needed in this scenario // amContainer.setServiceData(serviceData); // Setup security tokens if (UserGroupInformation.isSecurityEnabled()) { Credentials credentials = new Credentials(); String tokenRenewer = _conf.get(YarnConfiguration.RM_PRINCIPAL); if (tokenRenewer == null || tokenRenewer.length() == 0) { throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer"); } // For now, only getting tokens for the default file-system. final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials); if (tokens != null) { for (Token<?> token : tokens) { LOG.info("Got dt for " + fs.getUri() + "; " + token); } } DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); amContainer.setTokens(fsTokens); } appContext.setAMContainerSpec(amContainer); // Set the priority for the application master Priority pri = Records.newRecord(Priority.class); int amPriority = 0; // TODO - what is the range for priority? how to decide? pri.setPriority(amPriority); appContext.setPriority(pri); String amQueue = "default"; // Set the queue to which this application is to be submitted in the RM appContext.setQueue(amQueue); LOG.info("Submitting application to YARN Resource Manager"); ApplicationId applicationId = yarnClient.submitApplication(appContext); LOG.info("Submitted application with applicationId:" + applicationId); return true; }
From source file:org.apache.hoya.yarn.client.HoyaClient.java
License:Apache License
/** * ask if the client is using a mini MR cluster * @return true if they are// w w w. j a va 2 s. c o m */ private boolean getUsingMiniMRCluster() { return getConfig().getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false); }
From source file:org.apache.metron.maas.service.Client.java
License:Apache License
/** * Main run function for the client//from ww w .j a va 2 s . c om * @return true if application completed successfully * @throws IOException * @throws YarnException */ public boolean run() throws IOException, YarnException { LOG.info("Running Client"); yarnClient.start(); YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics(); LOG.info("Got Cluster metric info from ASM" + ", numNodeManagers=" + clusterMetrics.getNumNodeManagers()); List<NodeReport> clusterNodeReports = yarnClient.getNodeReports(NodeState.RUNNING); LOG.info("Got Cluster node info from ASM"); for (NodeReport node : clusterNodeReports) { LOG.info("Got node report from ASM for" + ", nodeId=" + node.getNodeId() + ", nodeAddress" + node.getHttpAddress() + ", nodeRackName" + node.getRackName() + ", nodeNumContainers" + node.getNumContainers()); } QueueInfo queueInfo = yarnClient.getQueueInfo(this.amQueue); LOG.info("Queue info" + ", queueName=" + queueInfo.getQueueName() + ", queueCurrentCapacity=" + queueInfo.getCurrentCapacity() + ", queueMaxCapacity=" + queueInfo.getMaximumCapacity() + ", queueApplicationCount=" + queueInfo.getApplications().size() + ", queueChildQueueCount=" + queueInfo.getChildQueues().size()); List<QueueUserACLInfo> listAclInfo = yarnClient.getQueueAclsInfo(); for (QueueUserACLInfo aclInfo : listAclInfo) { for (QueueACL userAcl : aclInfo.getUserAcls()) { LOG.info("User ACL Info for Queue" + ", queueName=" + aclInfo.getQueueName() + ", userAcl=" + userAcl.name()); } } if (domainId != null && domainId.length() > 0 && toCreateDomain) { prepareTimelineDomain(); } // Get a new application id YarnClientApplication app = yarnClient.createApplication(); GetNewApplicationResponse appResponse = app.getNewApplicationResponse(); // TODO get min/max resource capabilities from RM and change memory ask if needed // If we do not have min/max, we may not be able to correctly request // the required resources from the RM for the app master // Memory ask has to be a multiple of min and less than max. // Dump out information about cluster capability as seen by the resource manager int maxMem = appResponse.getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); // A resource ask cannot exceed the max. if (amMemory > maxMem) { LOG.info("AM memory specified above max threshold of cluster. Using max value." + ", specified=" + amMemory + ", max=" + maxMem); amMemory = maxMem; } int maxVCores = appResponse.getMaximumResourceCapability().getVirtualCores(); LOG.info("Max virtual cores capabililty of resources in this cluster " + maxVCores); if (amVCores > maxVCores) { LOG.info("AM virtual cores specified above max threshold of cluster. " + "Using max value." + ", specified=" + amVCores + ", max=" + maxVCores); amVCores = maxVCores; } // set the application name ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext(); ApplicationId appId = appContext.getApplicationId(); appContext.setKeepContainersAcrossApplicationAttempts(keepContainers); appContext.setApplicationName(appName); if (attemptFailuresValidityInterval >= 0) { appContext.setAttemptFailuresValidityInterval(attemptFailuresValidityInterval); } // set local resources for the application master // local files or archives as needed // In this scenario, the jar file for the application master is part of the local resources Map<String, LocalResource> localResources = new HashMap<String, LocalResource>(); LOG.info("Copy App Master jar from local filesystem and add to local environment"); // Copy the application master jar to the filesystem // Create a local resource to point to the destination jar path FileSystem fs = FileSystem.get(conf); Path ajPath = addToLocalResources(fs, appMasterJar, appMasterJarPath, appId.toString(), localResources, null); // Set the log4j properties if needed if (!log4jPropFile.isEmpty()) { addToLocalResources(fs, log4jPropFile, log4jPath, appId.toString(), localResources, null); } // Set the necessary security tokens as needed //amContainer.setContainerTokens(containerToken); // Set the env variables to be setup in the env where the application master will be run LOG.info("Set the environment for the application master"); Map<String, String> env = new HashMap<String, String>(); // put location of shell script into env // using the env info, the application master will create the correct local resource for the // eventual containers that will be launched to execute the shell scripts if (domainId != null && domainId.length() > 0) { env.put(Constants.TIMELINEDOMAIN, domainId); } // Add AppMaster.jar location to classpath // At some point we should not be required to add // the hadoop specific classpaths to the env. // It should be provided out of the box. // For now setting all required classpaths including // the classpath to "." for the application jar StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$$()) .append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./*"); for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_CROSS_PLATFORM_APPLICATION_CLASSPATH)) { classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR); classPathEnv.append(c.trim()); } classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./log4j.properties"); // add the runtime classpath needed for tests to work if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':'); classPathEnv.append(System.getProperty("java.class.path")); } env.put("CLASSPATH", classPathEnv.toString()); // Set the necessary command to execute the application master Vector<CharSequence> vargs = new Vector<CharSequence>(30); // Set java executable command LOG.info("Setting up app master command"); vargs.add(Environment.JAVA_HOME.$$() + "/bin/java"); // Set Xmx based on am memory size vargs.add("-Xmx" + amMemory + "m"); // Set class name vargs.add(appMasterMainClass); // Set params for Application Master vargs.add(ApplicationMaster.AMOptions.toArgs(ApplicationMaster.AMOptions.ZK_QUORUM.of(zkQuorum), ApplicationMaster.AMOptions.ZK_ROOT.of(zkRoot), ApplicationMaster.AMOptions.APP_JAR_PATH.of(ajPath.toString()))); if (null != nodeLabelExpression) { appContext.setNodeLabelExpression(nodeLabelExpression); } for (Map.Entry<String, String> entry : shellEnv.entrySet()) { vargs.add("--shell_env " + entry.getKey() + "=" + entry.getValue()); } vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stdout"); vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stderr"); // Get final commmand StringBuilder command = new StringBuilder(); for (CharSequence str : vargs) { command.append(str).append(" "); } LOG.info("Completed setting up app master command " + command.toString()); List<String> commands = new ArrayList<String>(); commands.add(command.toString()); // Set up the container launch context for the application master ContainerLaunchContext amContainer = ContainerLaunchContext.newInstance(localResources, env, commands, null, null, null); // Set up resource type requirements // For now, both memory and vcores are supported, so we set memory and // vcores requirements Resource capability = Resource.newInstance(amMemory, amVCores); appContext.setResource(capability); // Service data is a binary blob that can be passed to the application // Not needed in this scenario // Setup security tokens if (UserGroupInformation.isSecurityEnabled()) { // Note: Credentials class is marked as LimitedPrivate for HDFS and MapReduce Credentials credentials = new Credentials(); String tokenRenewer = conf.get(YarnConfiguration.RM_PRINCIPAL); if (tokenRenewer == null || tokenRenewer.length() == 0) { throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer"); } // For now, only getting tokens for the default file-system. final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials); if (tokens != null) { for (Token<?> token : tokens) { LOG.info("Got dt for " + fs.getUri() + "; " + token); } } DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); amContainer.setTokens(fsTokens); } appContext.setAMContainerSpec(amContainer); // Set the priority for the application master Priority pri = Priority.newInstance(amPriority); appContext.setPriority(pri); // Set the queue to which this application is to be submitted in the RM appContext.setQueue(amQueue); // Submit the application to the applications manager // SubmitApplicationResponse submitResp = applicationsManager.submitApplication(appRequest); // Ignore the response as either a valid response object is returned on success // or an exception thrown to denote some form of a failure LOG.info("Submitting application to ASM"); yarnClient.submitApplication(appContext); // Monitor the application return monitorApplication(appId); }
From source file:org.apache.tajo.yarn.command.LaunchCommand.java
License:Apache License
private void setupEnv(ContainerLaunchContext amContainer) throws IOException { LOG.info("Set the environment for the application master"); Map<String, String> env = new HashMap<String, String>(); // Add AppMaster.jar location to classpath // At some point we should not be required to add // the hadoop specific classpaths to the env. // It should be provided out of the box. // For now setting all required classpaths including // the classpath to "." for the application jar StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$()).append(File.pathSeparatorChar) .append("./*"); for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH)) { classPathEnv.append(File.pathSeparatorChar); classPathEnv.append(c.trim());/*from w w w . j av a2s . c o m*/ } classPathEnv.append(File.pathSeparatorChar).append("./").append(libDir).append("/*"); classPathEnv.append(File.pathSeparatorChar).append("./log4j.properties"); // add the runtime classpath needed for tests to work if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':'); classPathEnv.append(System.getProperty("java.class.path")); } env.put("CLASSPATH", classPathEnv.toString()); env.put(Constants.TAJO_ARCHIVE_PATH, tajoArchive); env.put(Constants.TAJO_ARCHIVE_ROOT, "tajo/" + getTajoRootInArchive(tajoArchive)); env.put(Constants.TAJO_HOME, "$PWD/${" + Constants.TAJO_ARCHIVE_ROOT + "}"); env.put(Constants.TAJO_CONF_DIR, "$PWD/conf"); env.put(Constants.TAJO_LOG_DIR, ApplicationConstants.LOG_DIR_EXPANSION_VAR); env.put(Constants.TAJO_CLASSPATH, "/export/apps/hadoop/site/lib/*:$PWD/" + libDir + "/*"); amContainer.setEnvironment(env); }
From source file:org.conan.myhadoop02.mr.yarntest.Client.java
License:Apache License
/** * Main run function for the client// w ww .ja v a 2 s. c om * @return true if application completed successfully * @throws IOException * @throws YarnException */ public boolean run() throws IOException, YarnException { LOG.info("Running Client"); yarnClient.start(); YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics(); LOG.info("Got Cluster metric info from ASM" + ", numNodeManagers=" + clusterMetrics.getNumNodeManagers()); List<NodeReport> clusterNodeReports = yarnClient.getNodeReports(NodeState.RUNNING); LOG.info("Got Cluster node info from ASM"); for (NodeReport node : clusterNodeReports) { LOG.info("Got node report from ASM for" + ", nodeId=" + node.getNodeId() + ", nodeAddress" + node.getHttpAddress() + ", nodeRackName" + node.getRackName() + ", nodeNumContainers" + node.getNumContainers()); } QueueInfo queueInfo = yarnClient.getQueueInfo(this.amQueue); LOG.info("Queue info" + ", queueName=" + queueInfo.getQueueName() + ", queueCurrentCapacity=" + queueInfo.getCurrentCapacity() + ", queueMaxCapacity=" + queueInfo.getMaximumCapacity() + ", queueApplicationCount=" + queueInfo.getApplications().size() + ", queueChildQueueCount=" + queueInfo.getChildQueues().size()); List<QueueUserACLInfo> listAclInfo = yarnClient.getQueueAclsInfo(); for (QueueUserACLInfo aclInfo : listAclInfo) { for (QueueACL userAcl : aclInfo.getUserAcls()) { LOG.info("User ACL Info for Queue" + ", queueName=" + aclInfo.getQueueName() + ", userAcl=" + userAcl.name()); } } if (domainId != null && domainId.length() > 0 && toCreateDomain) { prepareTimelineDomain(); } // Get a new application id YarnClientApplication app = yarnClient.createApplication(); GetNewApplicationResponse appResponse = app.getNewApplicationResponse(); // TODO get min/max resource capabilities from RM and change memory ask if needed // If we do not have min/max, we may not be able to correctly request // the required resources from the RM for the app master // Memory ask has to be a multiple of min and less than max. // Dump out information about cluster capability as seen by the resource manager int maxMem = appResponse.getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); // A resource ask cannot exceed the max. if (amMemory > maxMem) { LOG.info("AM memory specified above max threshold of cluster. Using max value." + ", specified=" + amMemory + ", max=" + maxMem); amMemory = maxMem; } int maxVCores = appResponse.getMaximumResourceCapability().getVirtualCores(); LOG.info("Max virtual cores capabililty of resources in this cluster " + maxVCores); if (amVCores > maxVCores) { LOG.info("AM virtual cores specified above max threshold of cluster. " + "Using max value." + ", specified=" + amVCores + ", max=" + maxVCores); amVCores = maxVCores; } // set the application name ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext(); ApplicationId appId = appContext.getApplicationId(); appContext.setKeepContainersAcrossApplicationAttempts(keepContainers); appContext.setApplicationName(appName); if (attemptFailuresValidityInterval >= 0) { appContext.setAttemptFailuresValidityInterval(attemptFailuresValidityInterval); } // set local resources for the application master // local files or archives as needed // In this scenario, the jar file for the application master is part of the local resources Map<String, LocalResource> localResources = new HashMap<String, LocalResource>(); LOG.info("Copy App Master jar from local filesystem and add to local environment"); // Copy the application master jar to the filesystem // Create a local resource to point to the destination jar path FileSystem fs = FileSystem.get(conf); addToLocalResources(fs, appMasterJar, appMasterJarPath, appId.toString(), localResources, null); // Set the log4j properties if needed if (!log4jPropFile.isEmpty()) { addToLocalResources(fs, log4jPropFile, log4jPath, appId.toString(), localResources, null); } // The shell script has to be made available on the final container(s) // where it will be executed. // To do this, we need to first copy into the filesystem that is visible // to the yarn framework. // We do not need to set this as a local resource for the application // master as the application master does not need it. String hdfsShellScriptLocation = ""; long hdfsShellScriptLen = 0; long hdfsShellScriptTimestamp = 0; if (!shellScriptPath.isEmpty()) { Path shellSrc = new Path(shellScriptPath); String shellPathSuffix = appName + "/" + appId.toString() + "/" + SCRIPT_PATH; Path shellDst = new Path(fs.getHomeDirectory(), shellPathSuffix); fs.copyFromLocalFile(false, true, shellSrc, shellDst); hdfsShellScriptLocation = shellDst.toUri().toString(); FileStatus shellFileStatus = fs.getFileStatus(shellDst); hdfsShellScriptLen = shellFileStatus.getLen(); hdfsShellScriptTimestamp = shellFileStatus.getModificationTime(); } if (!shellCommand.isEmpty()) { addToLocalResources(fs, null, shellCommandPath, appId.toString(), localResources, shellCommand); } if (shellArgs.length > 0) { addToLocalResources(fs, null, shellArgsPath, appId.toString(), localResources, StringUtils.join(shellArgs, " ")); } // Set the necessary security tokens as needed //amContainer.setContainerTokens(containerToken); // Set the env variables to be setup in the env where the application master will be run LOG.info("Set the environment for the application master"); Map<String, String> env = new HashMap<String, String>(); // put location of shell script into env // using the env info, the application master will create the correct local resource for the // eventual containers that will be launched to execute the shell scripts env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTLOCATION, hdfsShellScriptLocation); env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTTIMESTAMP, Long.toString(hdfsShellScriptTimestamp)); env.put(DSConstants.DISTRIBUTEDSHELLSCRIPTLEN, Long.toString(hdfsShellScriptLen)); if (domainId != null && domainId.length() > 0) { env.put(DSConstants.DISTRIBUTEDSHELLTIMELINEDOMAIN, domainId); } // Add AppMaster.jar location to classpath // At some point we should not be required to add // the hadoop specific classpaths to the env. // It should be provided out of the box. // For now setting all required classpaths including // the classpath to "." for the application jar StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$$()) .append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./*"); for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_CROSS_PLATFORM_APPLICATION_CLASSPATH)) { classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR); classPathEnv.append(c.trim()); } classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./log4j.properties"); // add the runtime classpath needed for tests to work if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':'); classPathEnv.append(System.getProperty("java.class.path")); } env.put("CLASSPATH", classPathEnv.toString()); // Set the necessary command to execute the application master Vector<CharSequence> vargs = new Vector<CharSequence>(30); // Set java executable command LOG.info("Setting up app master command"); vargs.add(Environment.JAVA_HOME.$$() + "/bin/java"); // Set Xmx based on am memory size vargs.add("-Xmx" + amMemory + "m"); // Set class name vargs.add(appMasterMainClass); // Set params for Application Master vargs.add("--container_memory " + String.valueOf(containerMemory)); vargs.add("--container_vcores " + String.valueOf(containerVirtualCores)); vargs.add("--num_containers " + String.valueOf(numContainers)); if (null != nodeLabelExpression) { appContext.setNodeLabelExpression(nodeLabelExpression); } vargs.add("--priority " + String.valueOf(shellCmdPriority)); for (Map.Entry<String, String> entry : shellEnv.entrySet()) { vargs.add("--shell_env " + entry.getKey() + "=" + entry.getValue()); } if (debugFlag) { vargs.add("--debug"); } vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stdout"); vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stderr"); // Get final commmand StringBuilder command = new StringBuilder(); for (CharSequence str : vargs) { command.append(str).append(" "); } LOG.info("Completed setting up app master command " + command.toString()); List<String> commands = new ArrayList<String>(); commands.add(command.toString()); // Set up the container launch context for the application master ContainerLaunchContext amContainer = ContainerLaunchContext.newInstance(localResources, env, commands, null, null, null); // Set up resource type requirements // For now, both memory and vcores are supported, so we set memory and // vcores requirements Resource capability = Resource.newInstance(amMemory, amVCores); appContext.setResource(capability); // Service data is a binary blob that can be passed to the application // Not needed in this scenario // amContainer.setServiceData(serviceData); // Setup security tokens if (UserGroupInformation.isSecurityEnabled()) { // Note: Credentials class is marked as LimitedPrivate for HDFS and MapReduce Credentials credentials = new Credentials(); String tokenRenewer = conf.get(YarnConfiguration.RM_PRINCIPAL); if (tokenRenewer == null || tokenRenewer.length() == 0) { throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer"); } // For now, only getting tokens for the default file-system. final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials); if (tokens != null) { for (Token<?> token : tokens) { LOG.info("Got dt for " + fs.getUri() + "; " + token); } } DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); amContainer.setTokens(fsTokens); } appContext.setAMContainerSpec(amContainer); // Set the priority for the application master // TODO - what is the range for priority? how to decide? Priority pri = Priority.newInstance(amPriority); appContext.setPriority(pri); // Set the queue to which this application is to be submitted in the RM appContext.setQueue(amQueue); // Submit the application to the applications manager // SubmitApplicationResponse submitResp = applicationsManager.submitApplication(appRequest); // Ignore the response as either a valid response object is returned on success // or an exception thrown to denote some form of a failure LOG.info("Submitting application to ASM"); yarnClient.submitApplication(appContext); // TODO // Try submitting the same request again // app submission failure? // Monitor the application return monitorApplication(appId); }