List of usage examples for org.apache.hadoop.security Credentials writeTokenStorageToStream
public void writeTokenStorageToStream(DataOutputStream os) throws IOException
From source file:org.apache.tez.client.TezClientUtils.java
License:Apache License
/** * Create an ApplicationSubmissionContext to launch a Tez AM * @param appId Application Id/* w ww.j a va 2s . com*/ * @param dag DAG to be submitted * @param amName Name for the application * @param amConfig AM Configuration * @param tezJarResources Resources to be used by the AM * @param sessionCreds the credential object which will be populated with session specific * @param historyACLPolicyManager * @return an ApplicationSubmissionContext to launch a Tez AM * @throws IOException * @throws YarnException */ @Private @VisibleForTesting public static ApplicationSubmissionContext createApplicationSubmissionContext(ApplicationId appId, DAG dag, String amName, AMConfiguration amConfig, Map<String, LocalResource> tezJarResources, Credentials sessionCreds, boolean tezLrsAsArchive, TezApiVersionInfo apiVersionInfo, HistoryACLPolicyManager historyACLPolicyManager) throws IOException, YarnException { Preconditions.checkNotNull(sessionCreds); TezConfiguration conf = amConfig.getTezConfiguration(); FileSystem fs = TezClientUtils.ensureStagingDirExists(conf, TezCommonUtils.getTezBaseStagingPath(conf)); String strAppId = appId.toString(); Path tezSysStagingPath = TezCommonUtils.createTezSystemStagingPath(conf, strAppId); Path binaryConfPath = TezCommonUtils.getTezConfStagingPath(tezSysStagingPath); binaryConfPath = fs.makeQualified(binaryConfPath); // Setup resource requirements Resource capability = Records.newRecord(Resource.class); capability.setMemory(amConfig.getTezConfiguration().getInt(TezConfiguration.TEZ_AM_RESOURCE_MEMORY_MB, TezConfiguration.TEZ_AM_RESOURCE_MEMORY_MB_DEFAULT)); capability.setVirtualCores(amConfig.getTezConfiguration().getInt( TezConfiguration.TEZ_AM_RESOURCE_CPU_VCORES, TezConfiguration.TEZ_AM_RESOURCE_CPU_VCORES_DEFAULT)); if (LOG.isDebugEnabled()) { LOG.debug("AppMaster capability = " + capability); } // Setup required Credentials for the AM launch. DAG specific credentials // are handled separately. ByteBuffer securityTokens = null; // Setup security tokens Credentials amLaunchCredentials = new Credentials(); if (amConfig.getCredentials() != null) { amLaunchCredentials.addAll(amConfig.getCredentials()); } // Add Staging dir creds to the list of session credentials. TokenCache.obtainTokensForFileSystems(sessionCreds, new Path[] { binaryConfPath }, conf); // Add session specific credentials to the AM credentials. amLaunchCredentials.mergeAll(sessionCreds); DataOutputBuffer dob = new DataOutputBuffer(); amLaunchCredentials.writeTokenStorageToStream(dob); securityTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); // Setup the command to run the AM List<String> vargs = new ArrayList<String>(8); vargs.add(Environment.JAVA_HOME.$() + "/bin/java"); String amOpts = constructAMLaunchOpts(amConfig.getTezConfiguration(), capability); vargs.add(amOpts); String amLogLevelString = amConfig.getTezConfiguration().get(TezConfiguration.TEZ_AM_LOG_LEVEL, TezConfiguration.TEZ_AM_LOG_LEVEL_DEFAULT); String[] amLogParams = parseLogParams(amLogLevelString); String amLogLevel = amLogParams[0]; maybeAddDefaultLoggingJavaOpts(amLogLevel, vargs); // FIX sun bug mentioned in TEZ-327 vargs.add("-Dsun.nio.ch.bugLevel=''"); vargs.add(TezConstants.TEZ_APPLICATION_MASTER_CLASS); if (dag == null) { vargs.add("--" + TezConstants.TEZ_SESSION_MODE_CLI_OPTION); } vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + File.separator + ApplicationConstants.STDOUT); vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + File.separator + ApplicationConstants.STDERR); Vector<String> vargsFinal = new Vector<String>(8); // Final command StringBuilder mergedCommand = new StringBuilder(); for (CharSequence str : vargs) { mergedCommand.append(str).append(" "); } vargsFinal.add(mergedCommand.toString()); if (LOG.isDebugEnabled()) { LOG.debug("Command to launch container for ApplicationMaster is : " + mergedCommand); } Map<String, String> environment = new TreeMap<String, String>(); TezYARNUtils.setupDefaultEnv(environment, conf, TezConfiguration.TEZ_AM_LAUNCH_ENV, TezConfiguration.TEZ_AM_LAUNCH_ENV_DEFAULT, tezLrsAsArchive); addVersionInfoToEnv(environment, apiVersionInfo); addLogParamsToEnv(environment, amLogParams); Map<String, LocalResource> amLocalResources = new TreeMap<String, LocalResource>(); // Not fetching credentials for AMLocalResources. Expect this to be provided via AMCredentials. if (amConfig.getAMLocalResources() != null) { amLocalResources.putAll(amConfig.getAMLocalResources()); } amLocalResources.putAll(tezJarResources); // Setup Session ACLs and update conf as needed Map<String, String> aclConfigs = null; if (historyACLPolicyManager != null) { if (dag == null) { aclConfigs = historyACLPolicyManager.setupSessionACLs(amConfig.getTezConfiguration(), appId); } else { // Non-session mode // As only a single DAG is support, we should combine AM and DAG ACLs under the same // acl management layer aclConfigs = historyACLPolicyManager.setupNonSessionACLs(amConfig.getTezConfiguration(), appId, dag.getDagAccessControls()); } } // emit conf as PB file ConfigurationProto finalConfProto = createFinalConfProtoForApp(amConfig.getTezConfiguration(), aclConfigs); FSDataOutputStream amConfPBOutBinaryStream = null; try { amConfPBOutBinaryStream = TezCommonUtils.createFileForAM(fs, binaryConfPath); finalConfProto.writeTo(amConfPBOutBinaryStream); } finally { if (amConfPBOutBinaryStream != null) { amConfPBOutBinaryStream.close(); } } LocalResource binaryConfLRsrc = TezClientUtils.createLocalResource(fs, binaryConfPath, LocalResourceType.FILE, LocalResourceVisibility.APPLICATION); amConfig.setBinaryConfLR(binaryConfLRsrc); amLocalResources.put(TezConstants.TEZ_PB_BINARY_CONF_NAME, binaryConfLRsrc); // Create Session Jars definition to be sent to AM as a local resource Path sessionJarsPath = TezCommonUtils.getTezAMJarStagingPath(tezSysStagingPath); FSDataOutputStream sessionJarsPBOutStream = null; try { sessionJarsPBOutStream = TezCommonUtils.createFileForAM(fs, sessionJarsPath); // Write out the initial list of resources which will be available in the AM DAGProtos.PlanLocalResourcesProto amResourceProto; if (amLocalResources != null && !amLocalResources.isEmpty()) { amResourceProto = DagTypeConverters.convertFromLocalResources(amLocalResources); } else { amResourceProto = DAGProtos.PlanLocalResourcesProto.getDefaultInstance(); } amResourceProto.writeDelimitedTo(sessionJarsPBOutStream); } finally { if (sessionJarsPBOutStream != null) { sessionJarsPBOutStream.close(); } } LocalResource sessionJarsPBLRsrc = TezClientUtils.createLocalResource(fs, sessionJarsPath, LocalResourceType.FILE, LocalResourceVisibility.APPLICATION); amLocalResources.put(TezConstants.TEZ_AM_LOCAL_RESOURCES_PB_FILE_NAME, sessionJarsPBLRsrc); String user = UserGroupInformation.getCurrentUser().getShortUserName(); ACLManager aclManager = new ACLManager(user, amConfig.getTezConfiguration()); Map<ApplicationAccessType, String> acls = aclManager.toYARNACls(); if (dag != null) { DAGPlan dagPB = prepareAndCreateDAGPlan(dag, amConfig, tezJarResources, tezLrsAsArchive, sessionCreds); // emit protobuf DAG file style Path binaryPath = TezCommonUtils.getTezBinPlanStagingPath(tezSysStagingPath); if (LOG.isDebugEnabled()) { LOG.debug("Stage directory information for AppId :" + appId + " tezSysStagingPath :" + tezSysStagingPath + " binaryConfPath :" + binaryConfPath + " sessionJarsPath :" + sessionJarsPath + " binaryPlanPath :" + binaryPath); } FSDataOutputStream dagPBOutBinaryStream = null; try { //binary output dagPBOutBinaryStream = TezCommonUtils.createFileForAM(fs, binaryPath); dagPB.writeTo(dagPBOutBinaryStream); } finally { if (dagPBOutBinaryStream != null) { dagPBOutBinaryStream.close(); } } amLocalResources.put(TezConstants.TEZ_PB_PLAN_BINARY_NAME, TezClientUtils.createLocalResource(fs, binaryPath, LocalResourceType.FILE, LocalResourceVisibility.APPLICATION)); if (Level.DEBUG.isGreaterOrEqual(Level.toLevel(amLogLevel))) { Path textPath = localizeDagPlanAsText(dagPB, fs, amConfig, strAppId, tezSysStagingPath); amLocalResources.put(TezConstants.TEZ_PB_PLAN_TEXT_NAME, TezClientUtils.createLocalResource(fs, textPath, LocalResourceType.FILE, LocalResourceVisibility.APPLICATION)); } } // Setup ContainerLaunchContext for AM container ContainerLaunchContext amContainer = ContainerLaunchContext.newInstance(amLocalResources, environment, vargsFinal, null, securityTokens, acls); // Set up the ApplicationSubmissionContext ApplicationSubmissionContext appContext = Records.newRecord(ApplicationSubmissionContext.class); appContext.setApplicationType(TezConstants.TEZ_APPLICATION_TYPE); appContext.setApplicationId(appId); appContext.setResource(capability); if (amConfig.getQueueName() != null) { appContext.setQueue(amConfig.getQueueName()); } appContext.setApplicationName(amName); appContext.setCancelTokensWhenComplete(amConfig.getTezConfiguration().getBoolean( TezConfiguration.TEZ_CANCEL_DELEGATION_TOKENS_ON_COMPLETION, TezConfiguration.TEZ_CANCEL_DELEGATION_TOKENS_ON_COMPLETION_DEFAULT)); appContext.setAMContainerSpec(amContainer); appContext.setMaxAppAttempts(amConfig.getTezConfiguration().getInt(TezConfiguration.TEZ_AM_MAX_APP_ATTEMPTS, TezConfiguration.TEZ_AM_MAX_APP_ATTEMPTS_DEFAULT)); return appContext; }
From source file:org.apache.tez.dag.api.DagTypeConverters.java
License:Apache License
public static ByteString convertCredentialsToProto(Credentials credentials) { if (credentials == null) { return null; }//from ww w .j a v a 2 s. c om Output output = ByteString.newOutput(); DataOutputStream dos = new DataOutputStream(output); try { credentials.writeTokenStorageToStream(dos); return output.toByteString(); } catch (IOException e) { throw new TezUncheckedException("Failed to serialize Credentials", e); } }
From source file:org.apache.tez.dag.app.rm.container.AMContainerHelpers.java
License:Apache License
/** * Create the common {@link ContainerLaunchContext} for all attempts. * * @param applicationACLs/*from w w w .j a va 2 s . c om*/ */ private static ContainerLaunchContext createCommonContainerLaunchContext( Map<ApplicationAccessType, String> applicationACLs, Credentials credentials, Map<String, LocalResource> localResources) { // Application environment Map<String, String> environment = new HashMap<String, String>(); // Service data Map<String, ByteBuffer> serviceData = new HashMap<String, ByteBuffer>(); // Tokens // Setup up task credentials buffer ByteBuffer containerCredentialsBuffer = ByteBuffer.wrap(new byte[] {}); try { Credentials containerCredentials = new Credentials(); // All Credentials need to be set so that YARN can localize the resources // correctly, even though they may not be used by all tasks which will run // on this container. LOG.info("Adding #" + credentials.numberOfTokens() + " tokens and #" + credentials.numberOfSecretKeys() + " secret keys for NM use for launching container"); containerCredentials.addAll(credentials); DataOutputBuffer containerTokens_dob = new DataOutputBuffer(); containerCredentials.writeTokenStorageToStream(containerTokens_dob); containerCredentialsBuffer = ByteBuffer.wrap(containerTokens_dob.getData(), 0, containerTokens_dob.getLength()); // Add shuffle token LOG.info("Putting shuffle token in serviceData"); serviceData.put(TezConstants.TEZ_SHUFFLE_HANDLER_SERVICE_ID, serializeServiceData(TokenCache.getSessionToken(containerCredentials))); } catch (IOException e) { throw new TezUncheckedException(e); } // Construct the actual Container // The null fields are per-container and will be constructed for each // container separately. ContainerLaunchContext container = ContainerLaunchContext.newInstance(localResources, environment, null, serviceData, containerCredentialsBuffer, applicationACLs); return container; }
From source file:org.apache.tez.dag.app.taskcomm.TezTestServiceTaskCommunicatorImpl.java
License:Apache License
private ByteBuffer serializeCredentials(Credentials credentials) throws IOException { Credentials containerCredentials = new Credentials(); containerCredentials.addAll(credentials); DataOutputBuffer containerTokens_dob = new DataOutputBuffer(); containerCredentials.writeTokenStorageToStream(containerTokens_dob); ByteBuffer containerCredentialsBuffer = ByteBuffer.wrap(containerTokens_dob.getData(), 0, containerTokens_dob.getLength()); return containerCredentialsBuffer; }
From source file:org.apache.twill.internal.yarn.YarnUtils.java
License:Apache License
/** * Encodes the given {@link Credentials} as bytes. */// w w w . j ava 2 s . c o m public static ByteBuffer encodeCredentials(Credentials credentials) { try { DataOutputBuffer out = new DataOutputBuffer(); credentials.writeTokenStorageToStream(out); return ByteBuffer.wrap(out.getData(), 0, out.getLength()); } catch (IOException e) { // Shouldn't throw LOG.error("Failed to encode Credentials.", e); throw Throwables.propagate(e); } }
From source file:org.apache.twill.yarn.YarnTwillRunnerService.java
License:Apache License
private void updateCredentials(String application, RunId runId, Credentials updates) throws IOException { Location credentialsLocation = locationFactory .create(String.format("/%s/%s/%s", application, runId.getId(), Constants.Files.CREDENTIALS)); // Try to read the old credentials. Credentials credentials = new Credentials(); if (credentialsLocation.exists()) { try (DataInputStream is = new DataInputStream( new BufferedInputStream(credentialsLocation.getInputStream()))) { credentials.readTokenStorageStream(is); }//from w ww .j a v a 2 s . c o m } // Overwrite with the updates. credentials.addAll(updates); // Overwrite the credentials. Location tmpLocation = credentialsLocation.getTempFile(Constants.Files.CREDENTIALS); // Save the credentials store with user-only permission. try (DataOutputStream os = new DataOutputStream( new BufferedOutputStream(tmpLocation.getOutputStream("600")))) { credentials.writeTokenStorageToStream(os); } // Rename the tmp file into the credentials location tmpLocation.renameTo(credentialsLocation); LOG.debug("Secure store for {} {} saved to {}.", application, runId, credentialsLocation); }
From source file:org.conan.myhadoop02.mr.yarntest.Client.java
License:Apache License
/** * Main run function for the client// w w w . j a v a2 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); }
From source file:org.dknight.app.ApplicationMaster.java
License:Apache License
/** * Main run function for the application master * * @throws YarnException// w w w. j a v a 2 s .c o m * @throws IOException */ @SuppressWarnings({ "unchecked" }) public boolean run() throws YarnException, IOException { LOG.info("Starting ApplicationMaster"); Credentials credentials = UserGroupInformation.getCurrentUser().getCredentials(); DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); // Now remove the AM->RM token so that containers cannot access it. Iterator<Token<?>> iter = credentials.getAllTokens().iterator(); while (iter.hasNext()) { Token<?> token = iter.next(); if (token.getKind().equals(AMRMTokenIdentifier.KIND_NAME)) { iter.remove(); } } allTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); AMRMClientAsync.CallbackHandler allocListener = new RMCallbackHandler(); amRMClient = AMRMClientAsync.createAMRMClientAsync(1000, allocListener); amRMClient.init(conf); amRMClient.start(); containerListener = createNMCallbackHandler(); nmClientAsync = new NMClientAsyncImpl(containerListener); nmClientAsync.init(conf); nmClientAsync.start(); yarnClient = YarnClient.createYarnClient(); yarnClient.init(conf); yarnClient.start(); // Setup local RPC Server to accept status requests directly from clients // TODO need to setup a protocol for client to be able to communicate to // the RPC server // TODO use the rpc port info to register with the RM for the client to // send requests to this app master // Register self with ResourceManager // This will start heartbeating to the RM appMasterHostname = NetUtils.getHostname(); RegisterApplicationMasterResponse response = amRMClient.registerApplicationMaster(appMasterHostname, appMasterRpcPort, appMasterTrackingUrl); // Dump out information about cluster capability as seen by the // resource manager int maxMem = response.getMaximumResourceCapability().getMemory(); LOG.info("Max mem capabililty of resources in this cluster " + maxMem); // A resource ask cannot exceed the max. if (containerMemory > maxMem) { LOG.info("Container memory specified above max threshold of cluster." + " Using max value." + ", specified=" + containerMemory + ", max=" + maxMem); containerMemory = maxMem; } // Setup ask for containers from RM // Send request for containers to RM // Until we get our fully allocated quota, we keep on polling RM for // containers // Keep looping until all the containers are launched and shell script // executed on them ( regardless of success/failure). List<NodeReport> nodeReports = null; if (yarnClient != null) { try { nodeReports = yarnClient.getNodeReports(NodeState.RUNNING); for (NodeReport node : nodeReports) { LOG.info("Got node report from ASM for" + ", nodeId=" + node.getNodeId() + ", nodeAddress" + node.getHttpAddress() + ", nodeRackName" + node.getRackName() + ", nodeNumContainers" + node.getNumContainers()); } } catch (YarnException e) { e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates. } catch (IOException e) { e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates. } } for (int i = 0; i < numTotalContainers; ++i) { ContainerRequest containerAsk = null; if (CollectionUtils.isNotEmpty(nodeReports)) { NodeReport requestNode = nodeReports.get(Math.min(i, nodeReports.size() - 1)); String[] requsetHosts = new String[] { requestNode.getNodeId().getHost() }; LOG.info("Ask container at the host list:" + requsetHosts); containerAsk = setupContainerAskForRM(requsetHosts); } else { LOG.info("Ask container with ANY host"); containerAsk = setupContainerAskForRM(null); } amRMClient.addContainerRequest(containerAsk); } numRequestedContainers.set(numTotalContainers); while (!done && (numCompletedContainers.get() != numTotalContainers)) { try { Thread.sleep(200); } catch (InterruptedException ex) { } } finish(); return success; }
From source file:org.dknight.app.Client.java
License:Apache License
/** * Main run function for the client//from w w w.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()); } } // 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; } // 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 FileSystem fs = FileSystem.get(conf); Path src = new Path(appMasterJar); String pathSuffix = appName + "/" + appId.getId() + "/AppMaster.jar"; Path dst = new Path(fs.getHomeDirectory(), pathSuffix); fs.copyFromLocalFile(false, true, src, dst); FileStatus destStatus = fs.getFileStatus(dst); LocalResource amJarRsrc = Records.newRecord(LocalResource.class); // Set the type of resource - file or archive // archives are untarred at destination // we don't need the jar file to be untarred for now amJarRsrc.setType(LocalResourceType.FILE); // Set visibility of the resource // Setting to most private option amJarRsrc.setVisibility(LocalResourceVisibility.APPLICATION); // Set the resource to be copied over amJarRsrc.setResource(ConverterUtils.getYarnUrlFromPath(dst)); // Set timestamp and length of file so that the framework // can do basic sanity checks for the local resource // after it has been copied over to ensure it is the same // resource the client intended to use with the application amJarRsrc.setTimestamp(destStatus.getModificationTime()); amJarRsrc.setSize(destStatus.getLen()); localResources.put("AppMaster.jar", amJarRsrc); String confXMLFSPath = ""; { File clusterConfXML = new File("cluster-conf.xml"); conf.writeXml(new FileOutputStream(clusterConfXML)); Path confSrc = new Path(clusterConfXML.getAbsolutePath()); String confPathSuffix = appName + "/" + appId.getId() + "/cluster-conf.xml"; Path confDst = new Path(fs.getHomeDirectory(), confPathSuffix); fs.copyFromLocalFile(false, true, confSrc, confDst); FileStatus confFileStatus = fs.getFileStatus(confDst); LocalResource confRsrc = Records.newRecord(LocalResource.class); confRsrc.setType(LocalResourceType.FILE); confRsrc.setVisibility(LocalResourceVisibility.APPLICATION); confRsrc.setResource(ConverterUtils.getYarnUrlFromURI(confDst.toUri())); confRsrc.setSize(confFileStatus.getLen()); confRsrc.setTimestamp(confFileStatus.getModificationTime()); localResources.put("cluster-conf.xml", confRsrc); confXMLFSPath = confDst.toUri().getPath(); } // Set the log4j properties if needed 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); } // 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() + "/ExecShellScript.sh"; 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(); } // 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)); env.put(DSConstants.CLUSTER_CONF_XML_PATH, confXMLFSPath); // 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"); // if (debugFlag) { // vargs.add("-Xdebug -Xrunjdwp:transport=dt_socket,address=9998,server=y,suspend=y"); // } // Set class name vargs.add(appMasterMainClass); // Set params for Application Master vargs.add("--container_memory " + String.valueOf(containerMemory)); vargs.add("--num_containers " + String.valueOf(numContainers)); vargs.add("--priority " + String.valueOf(shellCmdPriority)); if (!shellCommand.isEmpty()) { vargs.add("--shell_command " + shellCommand + ""); } if (!shellArgs.isEmpty()) { vargs.add("--shell_args " + shellArgs + ""); } 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, 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); // 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:org.hdl.caffe.yarn.app.ApplicationMaster.java
License:Apache License
/** * Main run function for the application master * * @throws YarnException/*from ww w . j a va 2s. co m*/ * @throws IOException */ @SuppressWarnings({ "unchecked" }) public void run() throws YarnException, IOException, InterruptedException { LOG.info("Starting ApplicationMaster"); // Note: Credentials, Token, UserGroupInformation, DataOutputBuffer class // are marked as LimitedPrivate Credentials credentials = UserGroupInformation.getCurrentUser().getCredentials(); DataOutputBuffer dob = new DataOutputBuffer(); credentials.writeTokenStorageToStream(dob); // Now remove the AM->RM token so that containers cannot access it. Iterator<Token<?>> iter = credentials.getAllTokens().iterator(); LOG.info("Executing with tokens:"); while (iter.hasNext()) { Token<?> token = iter.next(); LOG.info(token); if (token.getKind().equals(AMRMTokenIdentifier.KIND_NAME)) { iter.remove(); } } allTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength()); // Create appSubmitterUgi and add original tokens to it String appSubmitterUserName = System.getenv(ApplicationConstants.Environment.USER.name()); appSubmitterUgi = UserGroupInformation.createRemoteUser(appSubmitterUserName); appSubmitterUgi.addCredentials(credentials); AMRMClientAsync.AbstractCallbackHandler allocListener = new RMCallbackHandler(); amRMClient = AMRMClientAsync.createAMRMClientAsync(1000, allocListener); amRMClient.init(conf); amRMClient.start(); containerListener = createNMCallbackHandler(); nmClientAsync = new NMClientAsyncImpl(containerListener); nmClientAsync.init(conf); nmClientAsync.start(); appMasterHostname = System.getenv(Environment.NM_HOST.name()); CaffeApplicationRpcServer rpcServer = new CaffeApplicationRpcServer(appMasterHostname, new RpcForClient()); appMasterRpcPort = rpcServer.getRpcPort(); rpcServer.startRpcServiceThread(); // Register self with ResourceManager // This will start heartbeating to the RM RegisterApplicationMasterResponse response = amRMClient.registerApplicationMaster(appMasterHostname, appMasterRpcPort, appMasterTrackingUrl); // Dump out information about cluster capability as seen by the // resource manager long maxMem = response.getMaximumResourceCapability().getMemorySize(); LOG.info("Max mem capability of resources in this cluster " + maxMem); int maxVCores = response.getMaximumResourceCapability().getVirtualCores(); LOG.info("Max vcores capability of resources in this cluster " + maxVCores); // A resource ask cannot exceed the max. if (containerMemory > maxMem) { LOG.info("Container memory specified above max threshold of cluster." + " Using max value." + ", specified=" + containerMemory + ", max=" + maxMem); containerMemory = maxMem; } if (containerVirtualCores > maxVCores) { LOG.info("Container virtual cores specified above max threshold of cluster." + " Using max value." + ", specified=" + containerVirtualCores + ", max=" + maxVCores); containerVirtualCores = maxVCores; } List<Container> previousAMRunningContainers = response.getContainersFromPreviousAttempts(); LOG.info(appAttemptID + " received " + previousAMRunningContainers.size() + " previous attempts' running containers on AM registration."); for (Container container : previousAMRunningContainers) { launchedContainers.add(container.getId()); } numAllocatedContainers.addAndGet(previousAMRunningContainers.size()); int numTotalContainersToRequest = numTotalContainers - previousAMRunningContainers.size(); // Setup ask for containers from RM // Send request for containers to RM // Until we get our fully allocated quota, we keep on polling RM for // containers // Keep looping until all the containers are launched and shell script // executed on them ( regardless of success/failure). for (int i = 0; i < numTotalContainersToRequest; ++i) { ContainerRequest containerAsk = setupContainerAskForRM(); amRMClient.addContainerRequest(containerAsk); } numRequestedContainers.set(numTotalContainers); }