List of usage examples for org.apache.hadoop.fs FileSystem copyFromLocalFile
public void copyFromLocalFile(boolean delSrc, boolean overwrite, Path src, Path dst) throws IOException
From source file:cascading.hive.HivePartitionDemo.java
License:Open Source License
public static void main(String[] args) throws Exception { Properties properties = new Properties(); AppProps.setApplicationName(properties, "cascading hive partitioning demo"); JobConf jobConf = new JobConf(); FileSystem fs = FileSystem.get(jobConf); fs.copyFromLocalFile(false, true, new Path(accessLog), new Path("/tmp/access.log")); String[] columnNames = new String[] { "ts", "customer", "bucket", "operation", "key", "region" }; String[] columnTypes = new String[] { "timestamp", "string", "string", "string", "string", "string" }; String[] partitionKeys = new String[] { "region" }; HiveTableDescriptor partitionedDescriptor = new HiveTableDescriptor("mydb", "mytable", columnNames, columnTypes, partitionKeys, "\t"); HiveTap hiveTap = new HiveTap(partitionedDescriptor, partitionedDescriptor.toScheme()); Tap partitionTap = new HivePartitionTap(hiveTap); Fields allFields = new Fields(columnNames); Tap input = new Hfs(new TextDelimited(allFields), "hdfs:/tmp/access.log"); class Echo extends BaseOperation implements Function { public Echo(Fields fieldDeclaration) { super(2, fieldDeclaration); }//from ww w .j a v a 2 s . c o m @Override public void operate(FlowProcess flowProcess, FunctionCall functionCall) { TupleEntry argument = functionCall.getArguments(); functionCall.getOutputCollector().add(argument.getTuple()); } } Pipe pipe = new Each(" import ", allFields, new Echo(allFields), Fields.RESULTS); Flow flow = new HadoopFlowConnector().connect(input, partitionTap, pipe); flow.complete(); Class.forName("org.apache.hadoop.hive.jdbc.HiveDriver"); Connection con = DriverManager.getConnection("jdbc:hive://", "", ""); Statement stmt = con.createStatement(); ResultSet rs = stmt.executeQuery("select * from mydb.mytable where region = 'ASIA' "); String[] names = partitionedDescriptor.getColumnNames(); System.out.println("----------------------Hive JDBC--------------------------"); while (rs.next()) { StringBuffer buf = new StringBuffer("JDBC>>> "); for (int i = 0; i < names.length; i++) { String name = names[i]; buf.append(name).append("=").append(rs.getObject(i + 1)).append(", "); } System.out.println(buf.toString()); } System.out.println("---------------------------------------------------------"); stmt.close(); con.close(); // do the same as the JDBC above, but in Cascading. class RegionFilter extends BaseOperation implements Filter { final String region; public RegionFilter(String region) { this.region = region; } @Override public boolean isRemove(FlowProcess flowProcess, FilterCall filterCall) { if (filterCall.getArguments().getString("region").equals(this.region)) return false; return true; } } Tap requestsInAsiaSink = new Hfs(new TextDelimited(allFields), "hdfs:/tmp/requests-from-asia", SinkMode.REPLACE); Pipe headPipe = new Each("requests from ASIA", allFields, new RegionFilter("ASIA")); Flow headFlow = new HadoopFlowConnector().connect(partitionTap, requestsInAsiaSink, headPipe); headFlow.complete(); TupleEntryIterator tupleEntryIterator = requestsInAsiaSink.openForRead(headFlow.getFlowProcess()); while (tupleEntryIterator.hasNext()) { TupleEntry tupleEntry = tupleEntryIterator.next(); System.out.println("Cascading>>> " + tupleEntry); } tupleEntryIterator.close(); }
From source file:cascading.hive.HiveViewDemo.java
License:Open Source License
public static void main(String[] args) throws Exception { Properties properties = new Properties(); AppProps.setApplicationName(properties, "cascading hive partitioning demo"); JobConf jobConf = new JobConf(); FileSystem fs = FileSystem.get(jobConf); fs.copyFromLocalFile(false, true, new Path(accessLog), new Path("/tmp/access.log")); String[] columnNames = new String[] { "ts", "customer", "bucket", "operation", "key", "region" }; String[] columnTypes = new String[] { "timestamp", "string", "string", "string", "string", "string" }; String[] partitionKeys = new String[] { "region" }; HiveTableDescriptor partitionedDescriptor = new HiveTableDescriptor("mydb2", "mytable2", columnNames, columnTypes, partitionKeys, "\t"); HiveTap hiveTap = new HiveTap(partitionedDescriptor, partitionedDescriptor.toScheme()); Tap outputTap = new HivePartitionTap(hiveTap); class Echo extends BaseOperation implements Function { public Echo(Fields fieldDeclaration) { super(2, fieldDeclaration); }/*w ww . j a va 2s . c o m*/ @Override public void operate(FlowProcess flowProcess, FunctionCall functionCall) { TupleEntry argument = functionCall.getArguments(); functionCall.getOutputCollector().add(argument.getTuple()); } } Fields allFields = new Fields(columnNames); Pipe pipe = new Each(" echo ", allFields, new Echo(allFields), Fields.RESULTS); Tap input = new Hfs(new TextDelimited(allFields), "hdfs:/tmp/access.log"); Flow flow = new HadoopFlowConnector().connect(input, outputTap, pipe); flow.complete(); String viewSelect = "select distinct customer from mydb2.mytable2 where region = 'ASIA'"; String viewDef = "create or replace view customers_in_asia as " + viewSelect; HiveViewAnalyzer analyzer = new HiveViewAnalyzer(); Collection<Tap> inputs = analyzer.asTaps(viewSelect); HiveFlow viewflow = new HiveFlow("create view", viewDef, inputs); viewflow.complete(); Class.forName("org.apache.hadoop.hive.jdbc.HiveDriver"); Connection con = DriverManager.getConnection("jdbc:hive://", "", ""); Statement stmt = con.createStatement(); ResultSet rs = stmt.executeQuery("select * from customers_in_asia "); System.out.println("----------------------Hive JDBC--------------------------"); while (rs.next()) System.out.println("customer=" + rs.getString(1)); System.out.println("---------------------------------------------------------"); stmt.close(); con.close(); }
From source file:com.awcoleman.ExampleJobSummaryLogWithOutput.BinRecToAvroRecDriver.java
License:Apache License
private boolean copyTempFileAppenderToHDFSOutpath(Job job, String fapath, String outpath) { String sep = FileSystems.getDefault().getSeparator(); try {/* w ww. j a v a2s .co m*/ FileSystem hdfs = FileSystem.get(job.getConfiguration()); Path localfile = new Path("file://" + fapath); Path hdfsfile = new Path(outpath + sep + "_log" + sep + "joblog.log"); //About to move job summary log to HDFS, so remove from root logger and close FileAppender fa = (FileAppender) Logger.getRootLogger() .getAppender("TempFileAppender_" + job.getJobName()); Logger.getRootLogger().removeAppender(fa); fa.close(); hdfs.copyFromLocalFile(true, false, localfile, hdfsfile); return true; } catch (IOException ioe) { logger.warn("Unable to move job summary log to HDFS.", ioe); return false; } }
From source file:com.bigjob.Client.java
License:Apache License
/** * Main run function for the client/* w w w .j a v a 2 s .c o m*/ * @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 (RM)" + ", 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.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 // if (dfsUrl!=null && dfsUrl.equals("")==false){ // conf.set("fs.defaultFS", dfsUrl); // } FileSystem fs = FileSystem.get(conf); addToLocalResources(fs, appMasterJar, appMasterJarPath, appId.getId(), localResources, null); // Set the log4j properties if needed if (!log4jPropFile.isEmpty()) { addToLocalResources(fs, log4jPropFile, log4jPath, appId.getId(), 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.getId() + "/" + (Shell.WINDOWS ? windowBatPath : linuxShellPath); 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.getId(), localResources, shellCommand); } if (shellArgs.length > 0) { addToLocalResources(fs, null, shellArgsPath, appId.getId(), 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(Environment.CLASSPATH.$()).append(File.pathSeparatorChar) .append("./*"); for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH)) { classPathEnv.append(File.pathSeparatorChar); classPathEnv.append(c.trim()); } classPathEnv.append(File.pathSeparatorChar).append("./log4j.properties"); // add the runtime classpath needed for tests to work if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':'); classPathEnv.append(System.getProperty("java.class.path")); } env.put("CLASSPATH", classPathEnv.toString()); amContainer.setEnvironment(env); // Set the necessary command to execute the application master Vector<CharSequence> vargs = new Vector<CharSequence>(30); // Set java executable command LOG.info("Setting up app master command"); vargs.add(Environment.JAVA_HOME.$() + "/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()); 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); System.out.println("ApplicationId:" + appId); return true; }
From source file:com.cfets.door.yarn.jboss.JBossClient.java
License:Apache License
/** * Main run function for the client/*from www .j a va 2s . c o m*/ * * @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()); } } YarnClientApplication app = yarnClient.createApplication(); GetNewApplicationResponse appResponse = app.getNewApplicationResponse(); int maxMem = appResponse.getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); if (amMemory > maxMem) { LOG.info("AM memory specified above max threshold of cluster. Using max value." + ", specified=" + amMemory + ", max=" + maxMem); amMemory = maxMem; } ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext(); ApplicationId appId = appContext.getApplicationId(); appContext.setApplicationName(appName); ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class); Map<String, LocalResource> localResources = new HashMap<String, LocalResource>(); LOG.info("Copy App Master jar from local filesystem and add to local environment"); FileSystem fs = FileSystem.get(conf); Path src = new Path(appJar); String pathSuffix = appName + File.separator + appId.getId() + File.separator + JBossConstants.JBOSS_ON_YARN_APP; Path dst = new Path(fs.getHomeDirectory(), pathSuffix); jbossAppUri = dst.toUri().toString(); fs.copyFromLocalFile(false, true, src, dst); FileStatus destStatus = fs.getFileStatus(dst); LocalResource amJarRsrc = Records.newRecord(LocalResource.class); amJarRsrc.setType(LocalResourceType.FILE); amJarRsrc.setVisibility(LocalResourceVisibility.APPLICATION); amJarRsrc.setResource(ConverterUtils.getYarnUrlFromPath(dst)); amJarRsrc.setTimestamp(destStatus.getModificationTime()); amJarRsrc.setSize(destStatus.getLen()); localResources.put(JBossConstants.JBOSS_ON_YARN_APP, amJarRsrc); if (!log4jPropFile.isEmpty()) { Path log4jSrc = new Path(log4jPropFile); Path log4jDst = new Path(fs.getHomeDirectory(), "log4j.props"); fs.copyFromLocalFile(false, true, log4jSrc, log4jDst); FileStatus log4jFileStatus = fs.getFileStatus(log4jDst); LocalResource log4jRsrc = Records.newRecord(LocalResource.class); log4jRsrc.setType(LocalResourceType.FILE); log4jRsrc.setVisibility(LocalResourceVisibility.APPLICATION); log4jRsrc.setResource(ConverterUtils.getYarnUrlFromURI(log4jDst.toUri())); log4jRsrc.setTimestamp(log4jFileStatus.getModificationTime()); log4jRsrc.setSize(log4jFileStatus.getLen()); localResources.put("log4j.properties", log4jRsrc); } amContainer.setLocalResources(localResources); LOG.info("Set the environment for the application master"); Map<String, String> env = new HashMap<String, String>(); StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$()).append(File.pathSeparatorChar) .append("./*"); for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH, YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH)) { classPathEnv.append(File.pathSeparatorChar); classPathEnv.append(c.trim()); } classPathEnv.append(File.pathSeparatorChar).append("./log4j.properties"); if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) { classPathEnv.append(':'); classPathEnv.append(System.getProperty("java.class.path")); } env.put("CLASSPATH", classPathEnv.toString()); amContainer.setEnvironment(env); Vector<CharSequence> vargs = new Vector<CharSequence>(30); LOG.info("Setting up app master command"); vargs.add(Environment.JAVA_HOME.$() + "/bin/java"); vargs.add("-Xmx" + amMemory + "m"); vargs.add(appMasterMainClass); vargs.add("--container_memory " + String.valueOf(containerMemory)); vargs.add("--num_containers " + String.valueOf(numContainers)); vargs.add("--priority " + String.valueOf(shellCmdPriority)); vargs.add("--admin_user " + adminUser); vargs.add("--admin_password " + adminPassword); vargs.add("--jar " + jbossAppUri); if (debugFlag) { vargs.add("--debug"); } vargs.add("1>" + JBossConstants.JBOSS_CONTAINER_LOG_DIR + "/JBossApplicationMaster.stdout"); vargs.add("2>" + JBossConstants.JBOSS_CONTAINER_LOG_DIR + "/JBossApplicationMaster.stderr"); 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); Resource capability = Records.newRecord(Resource.class); capability.setMemory(amMemory); appContext.setResource(capability); appContext.setAMContainerSpec(amContainer); Priority pri = Records.newRecord(Priority.class); pri.setPriority(amPriority); appContext.setPriority(pri); appContext.setQueue(amQueue); LOG.info("Submitting the application to ASM"); yarnClient.submitApplication(appContext); return monitorApplication(appId); }
From source file:com.conversantmedia.mapreduce.tool.DistributedResourceManager.java
License:Apache License
private Path distributeLocalFile(File file) throws IOException { FileSystem fs = FileSystem.get(getConf()); Path dest = new Path(file.getAbsolutePath()); fs.copyFromLocalFile(true, true, new Path(file.getAbsolutePath()), dest); this.job.addCacheFile(dest.toUri()); return dest;// w w w. j a v a 2s . com }
From source file:com.datatorrent.stram.client.StramAppLauncher.java
License:Apache License
/** * Submit application to the cluster and return the app id. * Sets the context class loader for application dependencies. * * @param appConfig/* ww w . j a v a2 s. c om*/ * @return ApplicationId * @throws Exception */ public ApplicationId launchApp(AppFactory appConfig) throws Exception { loadDependencies(); Configuration conf = propertiesBuilder.conf; conf.setEnum(StreamingApplication.ENVIRONMENT, StreamingApplication.Environment.CLUSTER); LogicalPlan dag = appConfig.createApp(propertiesBuilder); String hdfsTokenMaxLifeTime = conf.get(StramClientUtils.HDFS_TOKEN_MAX_LIFE_TIME); if (hdfsTokenMaxLifeTime != null && hdfsTokenMaxLifeTime.trim().length() > 0) { dag.setAttribute(LogicalPlan.HDFS_TOKEN_LIFE_TIME, Long.parseLong(hdfsTokenMaxLifeTime)); } String rmTokenMaxLifeTime = conf.get(StramClientUtils.RM_TOKEN_MAX_LIFE_TIME); if (rmTokenMaxLifeTime != null && rmTokenMaxLifeTime.trim().length() > 0) { dag.setAttribute(LogicalPlan.RM_TOKEN_LIFE_TIME, Long.parseLong(rmTokenMaxLifeTime)); } if (conf.get(StramClientUtils.KEY_TAB_FILE) != null) { dag.setAttribute(LogicalPlan.KEY_TAB_FILE, conf.get(StramClientUtils.KEY_TAB_FILE)); } else if (conf.get(StramUserLogin.DT_AUTH_KEYTAB) != null) { Path localKeyTabPath = new Path(conf.get(StramUserLogin.DT_AUTH_KEYTAB)); FileSystem fs = StramClientUtils.newFileSystemInstance(conf); try { Path destPath = new Path(StramClientUtils.getDTDFSRootDir(fs, conf), localKeyTabPath.getName()); if (!fs.exists(destPath)) { fs.copyFromLocalFile(false, false, localKeyTabPath, destPath); } dag.setAttribute(LogicalPlan.KEY_TAB_FILE, destPath.toString()); } finally { fs.close(); } } String tokenRefreshFactor = conf.get(StramClientUtils.TOKEN_ANTICIPATORY_REFRESH_FACTOR); if (tokenRefreshFactor != null && tokenRefreshFactor.trim().length() > 0) { dag.setAttribute(LogicalPlan.TOKEN_REFRESH_ANTICIPATORY_FACTOR, Double.parseDouble(tokenRefreshFactor)); } StramClient client = new StramClient(conf, dag); try { client.start(); LinkedHashSet<String> libjars = Sets.newLinkedHashSet(); String libjarsCsv = conf.get(LIBJARS_CONF_KEY_NAME); if (libjarsCsv != null) { String[] jars = StringUtils.splitByWholeSeparator(libjarsCsv, StramClient.LIB_JARS_SEP); libjars.addAll(Arrays.asList(jars)); } if (deployJars != null) { for (File deployJar : deployJars) { libjars.add(deployJar.getAbsolutePath()); } } client.setResources(libjars); client.setFiles(conf.get(FILES_CONF_KEY_NAME)); client.setArchives(conf.get(ARCHIVES_CONF_KEY_NAME)); client.setOriginalAppId(conf.get(ORIGINAL_APP_ID)); client.setQueueName(conf.get(QUEUE_NAME)); client.startApplication(); return client.getApplicationReport().getApplicationId(); } finally { client.stop(); } }
From source file:com.datatorrent.stram.StramClient.java
License:Apache License
private String copyFromLocal(FileSystem fs, Path basePath, String[] files) throws IOException { StringBuilder csv = new StringBuilder(files.length * (basePath.toString().length() + 16)); for (String localFile : files) { Path src = new Path(localFile); String filename = src.getName(); Path dst = new Path(basePath, filename); URI localFileURI = null;/*from ww w .jav a 2 s. c o m*/ try { localFileURI = new URI(localFile); } catch (URISyntaxException e) { throw new IOException(e); } if (localFileURI.getScheme() == null || localFileURI.getScheme().startsWith("file")) { LOG.info("Copy {} from local filesystem to {}", localFile, dst); fs.copyFromLocalFile(false, true, src, dst); } else { LOG.info("Copy {} from DFS to {}", localFile, dst); FileUtil.copy(fs, src, fs, dst, false, true, conf); } if (csv.length() > 0) { csv.append(LIB_JARS_SEP); } csv.append(dst.toString()); } return csv.toString(); }
From source file:com.datatorrent.stram.StramClient.java
License:Apache License
/** * Launch application for the dag represented by this client. * * @throws YarnException/*w w w. j ava 2 s .c o m*/ * @throws IOException */ public void startApplication() throws YarnException, IOException { Class<?>[] defaultClasses; if (applicationType.equals(YARN_APPLICATION_TYPE)) { //TODO restrict the security check to only check if security is enabled for webservices. if (UserGroupInformation.isSecurityEnabled()) { defaultClasses = DATATORRENT_SECURITY_CLASSES; } else { defaultClasses = DATATORRENT_CLASSES; } } else { throw new IllegalStateException(applicationType + " is not a valid application type."); } LinkedHashSet<String> localJarFiles = findJars(dag, defaultClasses); if (resources != null) { localJarFiles.addAll(resources); } YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics(); LOG.info("Got Cluster metric info from ASM" + ", numNodeManagers=" + clusterMetrics.getNumNodeManagers()); //GetClusterNodesRequest clusterNodesReq = Records.newRecord(GetClusterNodesRequest.class); //GetClusterNodesResponse clusterNodesResp = rmClient.clientRM.getClusterNodes(clusterNodesReq); //LOG.info("Got Cluster node info from ASM"); //for (NodeReport node : clusterNodesResp.getNodeReports()) { // LOG.info("Got node report from ASM for" // + ", nodeId=" + node.getNodeId() // + ", nodeAddress" + node.getHttpAddress() // + ", nodeRackName" + node.getRackName() // + ", nodeNumContainers" + node.getNumContainers() // + ", nodeHealthStatus" + node.getHealthReport()); //} 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 newApp = yarnClient.createApplication(); appId = newApp.getNewApplicationResponse().getApplicationId(); // Dump out information about cluster capability as seen by the resource manager int maxMem = newApp.getNewApplicationResponse().getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); int amMemory = dag.getMasterMemoryMB(); if (amMemory > maxMem) { LOG.info("AM memory specified above max threshold of cluster. Using max value." + ", specified=" + amMemory + ", max=" + maxMem); amMemory = maxMem; } if (dag.getAttributes().get(LogicalPlan.APPLICATION_ID) == null) { dag.setAttribute(LogicalPlan.APPLICATION_ID, appId.toString()); } // Create launch context for app master LOG.info("Setting up application submission context for ASM"); ApplicationSubmissionContext appContext = Records.newRecord(ApplicationSubmissionContext.class); // set the application id appContext.setApplicationId(appId); // set the application name appContext.setApplicationName(dag.getValue(LogicalPlan.APPLICATION_NAME)); appContext.setApplicationType(this.applicationType); if (YARN_APPLICATION_TYPE.equals(this.applicationType)) { //appContext.setMaxAppAttempts(1); // no retries until Stram is HA } // Set up the container launch context for the application master ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class); // Setup security tokens // If security is enabled get ResourceManager and NameNode delegation tokens. // Set these tokens on the container so that they are sent as part of application submission. // This also sets them up for renewal by ResourceManager. The NameNode delegation rmToken // is also used by ResourceManager to fetch the jars from HDFS and set them up for the // application master launch. 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. FileSystem fs = StramClientUtils.newFileSystemInstance(conf); try { final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials); if (tokens != null) { for (Token<?> token : tokens) { LOG.info("Got dt for " + fs.getUri() + "; " + token); } } } finally { fs.close(); } addRMDelegationToken(tokenRenewer, credentials); DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); amContainer.setTokens(fsTokens); } // 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>(); // copy required jar files to dfs, to be localized for containers FileSystem fs = StramClientUtils.newFileSystemInstance(conf); try { Path appsBasePath = new Path(StramClientUtils.getDTDFSRootDir(fs, conf), StramClientUtils.SUBDIR_APPS); Path appPath = new Path(appsBasePath, appId.toString()); String libJarsCsv = copyFromLocal(fs, appPath, localJarFiles.toArray(new String[] {})); LOG.info("libjars: {}", libJarsCsv); dag.getAttributes().put(LogicalPlan.LIBRARY_JARS, libJarsCsv); LaunchContainerRunnable.addFilesToLocalResources(LocalResourceType.FILE, libJarsCsv, localResources, fs); if (archives != null) { String[] localFiles = archives.split(","); String archivesCsv = copyFromLocal(fs, appPath, localFiles); LOG.info("archives: {}", archivesCsv); dag.getAttributes().put(LogicalPlan.ARCHIVES, archivesCsv); LaunchContainerRunnable.addFilesToLocalResources(LocalResourceType.ARCHIVE, archivesCsv, localResources, fs); } if (files != null) { String[] localFiles = files.split(","); String filesCsv = copyFromLocal(fs, appPath, localFiles); LOG.info("files: {}", filesCsv); dag.getAttributes().put(LogicalPlan.FILES, filesCsv); LaunchContainerRunnable.addFilesToLocalResources(LocalResourceType.FILE, filesCsv, localResources, fs); } dag.getAttributes().put(LogicalPlan.APPLICATION_PATH, appPath.toString()); if (dag.getAttributes() .get(OperatorContext.STORAGE_AGENT) == null) { /* which would be the most likely case */ Path checkpointPath = new Path(appPath, LogicalPlan.SUBDIR_CHECKPOINTS); // use conf client side to pickup any proxy settings from dt-site.xml dag.setAttribute(OperatorContext.STORAGE_AGENT, new FSStorageAgent(checkpointPath.toString(), conf)); } if (dag.getAttributes().get(LogicalPlan.CONTAINER_OPTS_CONFIGURATOR) == null) { dag.setAttribute(LogicalPlan.CONTAINER_OPTS_CONFIGURATOR, new BasicContainerOptConfigurator()); } // Set the log4j properties if needed if (!log4jPropFile.isEmpty()) { Path log4jSrc = new Path(log4jPropFile); Path log4jDst = new Path(appPath, "log4j.props"); fs.copyFromLocalFile(false, true, log4jSrc, log4jDst); FileStatus log4jFileStatus = fs.getFileStatus(log4jDst); LocalResource log4jRsrc = Records.newRecord(LocalResource.class); log4jRsrc.setType(LocalResourceType.FILE); log4jRsrc.setVisibility(LocalResourceVisibility.APPLICATION); log4jRsrc.setResource(ConverterUtils.getYarnUrlFromURI(log4jDst.toUri())); log4jRsrc.setTimestamp(log4jFileStatus.getModificationTime()); log4jRsrc.setSize(log4jFileStatus.getLen()); localResources.put("log4j.properties", log4jRsrc); } if (originalAppId != null) { Path origAppPath = new Path(appsBasePath, this.originalAppId); LOG.info("Restart from {}", origAppPath); copyInitialState(origAppPath); } // push logical plan to DFS location Path cfgDst = new Path(appPath, LogicalPlan.SER_FILE_NAME); FSDataOutputStream outStream = fs.create(cfgDst, true); LogicalPlan.write(this.dag, outStream); outStream.close(); Path launchConfigDst = new Path(appPath, LogicalPlan.LAUNCH_CONFIG_FILE_NAME); outStream = fs.create(launchConfigDst, true); conf.writeXml(outStream); outStream.close(); FileStatus topologyFileStatus = fs.getFileStatus(cfgDst); LocalResource topologyRsrc = Records.newRecord(LocalResource.class); topologyRsrc.setType(LocalResourceType.FILE); topologyRsrc.setVisibility(LocalResourceVisibility.APPLICATION); topologyRsrc.setResource(ConverterUtils.getYarnUrlFromURI(cfgDst.toUri())); topologyRsrc.setTimestamp(topologyFileStatus.getModificationTime()); topologyRsrc.setSize(topologyFileStatus.getLen()); localResources.put(LogicalPlan.SER_FILE_NAME, topologyRsrc); // 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>(); // Add application jar(s) 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(s) // including ${CLASSPATH} will duplicate the class path in app master, removing it for now //StringBuilder classPathEnv = new StringBuilder("${CLASSPATH}:./*"); StringBuilder classPathEnv = new StringBuilder("./*"); String classpath = conf.get(YarnConfiguration.YARN_APPLICATION_CLASSPATH); for (String c : StringUtils.isBlank(classpath) ? YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH : classpath.split(",")) { if (c.equals("$HADOOP_CLIENT_CONF_DIR")) { // SPOI-2501 continue; } classPathEnv.append(':'); classPathEnv.append(c.trim()); } env.put("CLASSPATH", classPathEnv.toString()); // propagate to replace node managers user name (effective in non-secure mode) env.put("HADOOP_USER_NAME", UserGroupInformation.getLoginUser().getUserName()); amContainer.setEnvironment(env); // Set the necessary command to execute the application master ArrayList<CharSequence> vargs = new ArrayList<CharSequence>(30); // Set java executable command LOG.info("Setting up app master command"); vargs.add(javaCmd); if (dag.isDebug()) { vargs.add("-agentlib:jdwp=transport=dt_socket,server=y,suspend=n"); } // Set Xmx based on am memory size // default heap size 75% of total memory if (dag.getMasterJVMOptions() != null) { vargs.add(dag.getMasterJVMOptions()); } vargs.add("-Xmx" + (amMemory * 3 / 4) + "m"); vargs.add("-XX:+HeapDumpOnOutOfMemoryError"); vargs.add("-XX:HeapDumpPath=/tmp/dt-heap-" + appId.getId() + ".bin"); vargs.add("-Dhadoop.root.logger=" + (dag.isDebug() ? "DEBUG" : "INFO") + ",RFA"); vargs.add("-Dhadoop.log.dir=" + ApplicationConstants.LOG_DIR_EXPANSION_VAR); vargs.add(String.format("-D%s=%s", StreamingContainer.PROP_APP_PATH, dag.assertAppPath())); if (dag.isDebug()) { vargs.add("-Dlog4j.debug=true"); } String loggersLevel = conf.get(DTLoggerFactory.DT_LOGGERS_LEVEL); if (loggersLevel != null) { vargs.add(String.format("-D%s=%s", DTLoggerFactory.DT_LOGGERS_LEVEL, loggersLevel)); } vargs.add(StreamingAppMaster.class.getName()); vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stdout"); vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stderr"); // Get final command StringBuilder command = new StringBuilder(9 * vargs.size()); 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); appContext.setAMContainerSpec(amContainer); // Set the priority for the application master Priority pri = Records.newRecord(Priority.class); pri.setPriority(amPriority); appContext.setPriority(pri); // Set the queue to which this application is to be submitted in the RM appContext.setQueue(queueName); // Submit the application to the applications manager // SubmitApplicationResponse submitResp = rmClient.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 String specStr = Objects.toStringHelper("Submitting application: ") .add("name", appContext.getApplicationName()).add("queue", appContext.getQueue()) .add("user", UserGroupInformation.getLoginUser()).add("resource", appContext.getResource()) .toString(); LOG.info(specStr); if (dag.isDebug()) { //LOG.info("Full submission context: " + appContext); } yarnClient.submitApplication(appContext); } finally { fs.close(); } }
From source file:com.epam.hadoop.nv.yarn.Client.java
License:Apache License
/** * Main run function for the client//from www .j a v a 2 s . c o m * * @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()); } } // 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 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)); // 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)); 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); }