Example usage for org.apache.hadoop.fs FileSystem addDelegationTokens

List of usage examples for org.apache.hadoop.fs FileSystem addDelegationTokens

Introduction

In this page you can find the example usage for org.apache.hadoop.fs FileSystem addDelegationTokens.

Prototype

default Token<?>[] addDelegationTokens(final String renewer, Credentials credentials) throws IOException 

Source Link

Document

Given a renewer, add delegation tokens for issuer and it's child issuers to the Credentials object if it is not already present.

Usage

From source file:org.apache.hama.bsp.YARNBSPJobClient.java

License:Apache License

@Override
protected RunningJob launchJob(BSPJobID jobId, BSPJob normalJob, Path submitJobFile, FileSystem pFs)
        throws IOException {
    YARNBSPJob job = (YARNBSPJob) normalJob;

    LOG.info("Submitting job...");
    if (getConf().get("bsp.child.mem.in.mb") == null) {
        LOG.warn("BSP Child memory has not been set, YARN will guess your needs or use default values.");
    }/* ww w  .  ja  v a  2s . c o  m*/

    FileSystem fs = pFs;
    if (fs == null) {
        fs = FileSystem.get(getConf());
    }

    if (getConf().get("bsp.user.name") == null) {
        String s = getUnixUserName();
        getConf().set("bsp.user.name", s);
        LOG.debug("Retrieved username: " + s);
    }

    yarnClient.start();
    try {
        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("default");
        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();

        // Create a new ApplicationSubmissionContext
        //ApplicationSubmissionContext appContext = Records.newRecord(ApplicationSubmissionContext.class);
        ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext();

        id = appContext.getApplicationId();

        // set the application name
        appContext.setApplicationName(job.getJobName());

        // Create a new container launch context for the AM's container
        ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class);

        // Define the local resources required
        Map<String, LocalResource> localResources = new HashMap<String, LocalResource>();
        // Lets assume the jar we need for our ApplicationMaster is available in
        // HDFS at a certain known path to us and we want to make it available to
        // the ApplicationMaster in the launched container
        if (job.getJar() == null) {
            throw new IllegalArgumentException("Jar must be set in order to run the application!");
        }

        Path jarPath = new Path(job.getJar());
        jarPath = fs.makeQualified(jarPath);
        getConf().set("bsp.jar", jarPath.makeQualified(fs.getUri(), jarPath).toString());

        FileStatus jarStatus = fs.getFileStatus(jarPath);
        LocalResource amJarRsrc = Records.newRecord(LocalResource.class);
        amJarRsrc.setType(LocalResourceType.FILE);
        amJarRsrc.setVisibility(LocalResourceVisibility.APPLICATION);
        amJarRsrc.setResource(ConverterUtils.getYarnUrlFromPath(jarPath));
        amJarRsrc.setTimestamp(jarStatus.getModificationTime());
        amJarRsrc.setSize(jarStatus.getLen());

        // this creates a symlink in the working directory
        localResources.put(YARNBSPConstants.APP_MASTER_JAR_PATH, amJarRsrc);

        // add hama related jar files to localresources for container
        List<File> hamaJars;
        if (System.getProperty("hama.home.dir") != null)
            hamaJars = localJarfromPath(System.getProperty("hama.home.dir"));
        else
            hamaJars = localJarfromPath(getConf().get("hama.home.dir"));
        String hamaPath = getSystemDir() + "/hama";
        for (File fileEntry : hamaJars) {
            addToLocalResources(fs, fileEntry.getCanonicalPath(), hamaPath, fileEntry.getName(),
                    localResources);
        }

        // Set the local resources into the launch context
        amContainer.setLocalResources(localResources);

        // Set up the environment needed for the launch context
        Map<String, String> env = new HashMap<String, String>();
        // Assuming our classes or jars are available as local resources in the
        // working directory from which the command will be run, we need to append
        // "." to the path.
        // By default, all the hadoop specific classpaths will already be available
        // in $CLASSPATH, so we should be careful not to overwrite it.
        StringBuilder classPathEnv = new StringBuilder(ApplicationConstants.Environment.CLASSPATH.$())
                .append(File.pathSeparatorChar).append("./*");
        for (String c : yarnConf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH,
                YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH)) {
            classPathEnv.append(File.pathSeparatorChar);
            classPathEnv.append(c.trim());
        }

        env.put(YARNBSPConstants.HAMA_YARN_LOCATION, jarPath.toUri().toString());
        env.put(YARNBSPConstants.HAMA_YARN_SIZE, Long.toString(jarStatus.getLen()));
        env.put(YARNBSPConstants.HAMA_YARN_TIMESTAMP, Long.toString(jarStatus.getModificationTime()));

        env.put(YARNBSPConstants.HAMA_LOCATION, hamaPath);
        env.put("CLASSPATH", classPathEnv.toString());
        amContainer.setEnvironment(env);

        // Set the necessary command to execute on the allocated container
        Vector<CharSequence> vargs = new Vector<CharSequence>(5);
        vargs.add("${JAVA_HOME}/bin/java");
        vargs.add("-cp " + classPathEnv + "");
        vargs.add(ApplicationMaster.class.getCanonicalName());
        vargs.add(submitJobFile.makeQualified(fs.getUri(), fs.getWorkingDirectory()).toString());

        vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/hama-appmaster.stdout");
        vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/hama-appmaster.stderr");

        // Get final commmand
        StringBuilder command = new StringBuilder();
        for (CharSequence str : vargs) {
            command.append(str).append(" ");
        }

        List<String> commands = new ArrayList<String>();
        commands.add(command.toString());
        amContainer.setCommands(commands);

        LOG.debug("Start command: " + command);

        Resource capability = Records.newRecord(Resource.class);
        // we have at least 3 threads, which comsumes 1mb each, for each bsptask and
        // a base usage of 100mb
        capability.setMemory(3 * job.getNumBspTask() + getConf().getInt("hama.appmaster.memory.mb", 100));
        LOG.info("Set memory for the application master to " + capability.getMemory() + "mb!");

        // Set the container launch content into the ApplicationSubmissionContext
        appContext.setResource(capability);

        // Setup security tokens
        if (UserGroupInformation.isSecurityEnabled()) {
            // Note: Credentials class is marked as LimitedPrivate for HDFS and MapReduce
            Credentials credentials = new Credentials();
            String tokenRenewer = yarnConf.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);

        // Create the request to send to the ApplicationsManager
        ApplicationId appId = appContext.getApplicationId();
        yarnClient.submitApplication(appContext);

        return monitorApplication(appId) ? new NetworkedJob() : null;
    } catch (YarnException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:org.apache.helix.provisioning.yarn.AppLauncher.java

License:Apache License

public boolean launch() throws Exception {
    LOG.info("Running Client");
    yarnClient.start();/*  w w w.  j  a v  a2 s .  c o m*/

    // Get a new application id
    YarnClientApplication app = yarnClient.createApplication();
    GetNewApplicationResponse appResponse = app.getNewApplicationResponse();
    // TODO get min/max resource capabilities from RM and change memory ask if needed
    // If we do not have min/max, we may not be able to correctly request
    // the required resources from the RM for the app master
    // Memory ask has to be a multiple of min and less than max.
    // Dump out information about cluster capability as seen by the resource manager
    int maxMem = appResponse.getMaximumResourceCapability().getMemory();
    LOG.info("Max mem capabililty of resources in this cluster " + maxMem);

    // set the application name
    ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext();
    _appId = appContext.getApplicationId();
    _appMasterConfig.setAppId(_appId.getId());
    String appName = _applicationSpec.getAppName();
    _appMasterConfig.setAppName(appName);
    _appMasterConfig.setApplicationSpecFactory(_applicationSpecFactory.getClass().getCanonicalName());
    appContext.setApplicationName(appName);

    // Set up the container launch context for the application master
    ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class);

    LOG.info("Copy Application archive file from local filesystem and add to local environment");
    // Copy the application master jar to the filesystem
    // Create a local resource to point to the destination jar path
    FileSystem fs = FileSystem.get(_conf);

    // get packages for each component packages
    Map<String, URI> packages = new HashMap<String, URI>();
    packages.put(AppMasterConfig.AppEnvironment.APP_MASTER_PKG.toString(), appMasterArchive.toURI());
    packages.put(AppMasterConfig.AppEnvironment.APP_SPEC_FILE.toString(), _yamlConfigFile.toURI());
    for (String serviceName : _applicationSpec.getServices()) {
        packages.put(serviceName, _applicationSpec.getServicePackage(serviceName));
    }
    Map<String, Path> hdfsDest = new HashMap<String, Path>();
    Map<String, String> classpathMap = new HashMap<String, String>();
    for (String name : packages.keySet()) {
        URI uri = packages.get(name);
        Path dst = copyToHDFS(fs, name, uri);
        hdfsDest.put(name, dst);
        String classpath = generateClasspathAfterExtraction(name, new File(uri));
        classpathMap.put(name, classpath);
        _appMasterConfig.setClasspath(name, classpath);
        String serviceMainClass = _applicationSpec.getServiceMainClass(name);
        if (serviceMainClass != null) {
            _appMasterConfig.setMainClass(name, serviceMainClass);
        }
    }

    // Get YAML files describing all workflows to immediately start
    Map<String, URI> workflowFiles = new HashMap<String, URI>();
    List<TaskConfig> taskConfigs = _applicationSpec.getTaskConfigs();
    if (taskConfigs != null) {
        for (TaskConfig taskConfig : taskConfigs) {
            URI configUri = taskConfig.getYamlURI();
            if (taskConfig.name != null && configUri != null) {
                workflowFiles.put(taskConfig.name, taskConfig.getYamlURI());
            }
        }
    }

    // set local resources for the application master
    // local files or archives as needed
    // In this scenario, the jar file for the application master is part of the local resources
    Map<String, LocalResource> localResources = new HashMap<String, LocalResource>();
    LocalResource appMasterPkg = setupLocalResource(fs,
            hdfsDest.get(AppMasterConfig.AppEnvironment.APP_MASTER_PKG.toString()));
    LocalResource appSpecFile = setupLocalResource(fs,
            hdfsDest.get(AppMasterConfig.AppEnvironment.APP_SPEC_FILE.toString()));
    localResources.put(AppMasterConfig.AppEnvironment.APP_MASTER_PKG.toString(), appMasterPkg);
    localResources.put(AppMasterConfig.AppEnvironment.APP_SPEC_FILE.toString(), appSpecFile);
    for (String name : workflowFiles.keySet()) {
        URI uri = workflowFiles.get(name);
        Path dst = copyToHDFS(fs, name, uri);
        LocalResource taskLocalResource = setupLocalResource(fs, dst);
        localResources.put(AppMasterConfig.AppEnvironment.TASK_CONFIG_FILE.toString() + "_" + name,
                taskLocalResource);
    }

    // Set local resource info into app master container launch context
    amContainer.setLocalResources(localResources);

    // Set the necessary security tokens as needed
    // amContainer.setContainerTokens(containerToken);

    // Add AppMaster.jar location to classpath
    // At some point we should not be required to add
    // the hadoop specific classpaths to the env.
    // It should be provided out of the box.
    // For now setting all required classpaths including
    // the classpath to "." for the application jar
    StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$()).append(File.pathSeparatorChar)
            .append("./*").append(File.pathSeparatorChar);
    classPathEnv.append(classpathMap.get(AppMasterConfig.AppEnvironment.APP_MASTER_PKG.toString()));
    for (String c : _conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH,
            YarnConfiguration.DEFAULT_YARN_APPLICATION_CLASSPATH)) {
        classPathEnv.append(File.pathSeparatorChar);
        classPathEnv.append(c.trim());
    }
    classPathEnv.append(File.pathSeparatorChar).append("./log4j.properties");

    // add the runtime classpath needed for tests to work
    if (_conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) {
        classPathEnv.append(':');
        classPathEnv.append(System.getProperty("java.class.path"));
    }
    LOG.info("\n\n Setting the classpath to launch AppMaster:\n\n");
    // Set the env variables to be setup in the env where the application master will be run
    Map<String, String> env = new HashMap<String, String>(_appMasterConfig.getEnv());
    env.put("CLASSPATH", classPathEnv.toString());

    amContainer.setEnvironment(env);

    // Set the necessary command to execute the application master
    Vector<CharSequence> vargs = new Vector<CharSequence>(30);

    // Set java executable command
    LOG.info("Setting up app master launch command");
    vargs.add(Environment.JAVA_HOME.$() + "/bin/java");
    int amMemory = 4096;
    // Set Xmx based on am memory size
    vargs.add("-Xmx" + amMemory + "m");
    // Set class name
    vargs.add(AppMasterLauncher.class.getCanonicalName());
    // Set params for Application Master
    // vargs.add("--num_containers " + String.valueOf(numContainers));

    vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stdout");
    vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stderr");

    // Get final commmand
    StringBuilder command = new StringBuilder();
    for (CharSequence str : vargs) {
        command.append(str).append(" ");
    }

    LOG.info("Completed setting up app master command " + command.toString());
    List<String> commands = new ArrayList<String>();
    commands.add(command.toString());
    amContainer.setCommands(commands);

    // Set up resource type requirements
    // For now, only memory is supported so we set memory requirements
    Resource capability = Records.newRecord(Resource.class);
    capability.setMemory(amMemory);
    appContext.setResource(capability);

    // Service data is a binary blob that can be passed to the application
    // Not needed in this scenario
    // amContainer.setServiceData(serviceData);

    // Setup security tokens
    if (UserGroupInformation.isSecurityEnabled()) {
        Credentials credentials = new Credentials();
        String tokenRenewer = _conf.get(YarnConfiguration.RM_PRINCIPAL);
        if (tokenRenewer == null || tokenRenewer.length() == 0) {
            throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer");
        }

        // For now, only getting tokens for the default file-system.
        final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials);
        if (tokens != null) {
            for (Token<?> token : tokens) {
                LOG.info("Got dt for " + fs.getUri() + "; " + token);
            }
        }
        DataOutputBuffer dob = new DataOutputBuffer();
        credentials.writeTokenStorageToStream(dob);
        ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength());
        amContainer.setTokens(fsTokens);
    }

    appContext.setAMContainerSpec(amContainer);

    // Set the priority for the application master
    Priority pri = Records.newRecord(Priority.class);
    int amPriority = 0;
    // TODO - what is the range for priority? how to decide?
    pri.setPriority(amPriority);
    appContext.setPriority(pri);

    String amQueue = "default";
    // Set the queue to which this application is to be submitted in the RM
    appContext.setQueue(amQueue);

    LOG.info("Submitting application to YARN Resource Manager");

    ApplicationId applicationId = yarnClient.submitApplication(appContext);

    LOG.info("Submitted application with applicationId:" + applicationId);

    return true;
}

From source file:org.apache.hive.hcatalog.templeton.SecureProxySupport.java

License:Apache License

private static void collectTokens(FileSystem fs, TokenWrapper twrapper, Credentials creds, String userName)
        throws IOException {
    Token[] tokens = fs.addDelegationTokens(userName, creds);
    if (tokens != null && tokens.length > 0) {
        twrapper.tokens = ArrayUtils.addAll(twrapper.tokens, tokens);
    }/* ww  w. j a  va 2 s.  c om*/
}

From source file:org.apache.hoya.core.launch.AppMasterLauncher.java

License:Apache License

/**
 * Add the security tokens if this is a secure cluster
 * @throws IOException//from w w w.  j ava2  s.c o m
 */
private void addSecurityTokens() throws IOException {

    String tokenRenewer = getConf().get(YarnConfiguration.RM_PRINCIPAL);
    if (HoyaUtils.isUnset(tokenRenewer)) {
        throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer: "
                + YarnConfiguration.RM_PRINCIPAL);
    }

    // For now, only getting tokens for the default file-system.
    FileSystem fs = coreFileSystem.getFileSystem();
    fs.addDelegationTokens(tokenRenewer, credentials);
}

From source file:org.apache.ignite.yarn.IgniteYarnClient.java

License:Apache License

/**
 * Main methods has one mandatory parameter and one optional parameter.
 *
 * @param args Path to jar mandatory parameter and property file is optional.
 *///from  ww  w.  j  av a 2  s  . c  o  m
public static void main(String[] args) throws Exception {
    checkArguments(args);

    // Set path to app master jar.
    String pathAppMasterJar = args[0];

    ClusterProperties props = ClusterProperties.from(args.length == 2 ? args[1] : null);

    YarnConfiguration conf = new YarnConfiguration();
    YarnClient yarnClient = YarnClient.createYarnClient();
    yarnClient.init(conf);
    yarnClient.start();

    // Create application via yarnClient
    YarnClientApplication app = yarnClient.createApplication();

    FileSystem fs = FileSystem.get(conf);

    Path ignite;

    // Load ignite and jar
    if (props.ignitePath() == null)
        ignite = getIgnite(props, fs);
    else
        ignite = new Path(props.ignitePath());

    // Upload the jar file to HDFS.
    Path appJar = IgniteYarnUtils.copyLocalToHdfs(fs, pathAppMasterJar,
            props.igniteWorkDir() + File.separator + IgniteYarnUtils.JAR_NAME);

    // Set up the container launch context for the application master
    ContainerLaunchContext amContainer = Records.newRecord(ContainerLaunchContext.class);

    amContainer.setCommands(Collections
            .singletonList(Environment.JAVA_HOME.$() + "/bin/java -Xmx512m " + ApplicationMaster.class.getName()
                    + IgniteYarnUtils.SPACE + ignite.toUri() + IgniteYarnUtils.YARN_LOG_OUT));

    // Setup jar for ApplicationMaster
    LocalResource appMasterJar = IgniteYarnUtils.setupFile(appJar, fs, LocalResourceType.FILE);

    amContainer.setLocalResources(Collections.singletonMap(IgniteYarnUtils.JAR_NAME, appMasterJar));

    // Setup CLASSPATH for ApplicationMaster
    Map<String, String> appMasterEnv = props.toEnvs();

    setupAppMasterEnv(appMasterEnv, conf);

    amContainer.setEnvironment(appMasterEnv);

    // Setup security tokens
    if (UserGroupInformation.isSecurityEnabled()) {
        Credentials creds = new Credentials();

        String tokRenewer = conf.get(YarnConfiguration.RM_PRINCIPAL);

        if (tokRenewer == null || tokRenewer.length() == 0)
            throw new IOException("Master Kerberos principal for the RM is not set.");

        log.info("Found RM principal: " + tokRenewer);

        final Token<?> tokens[] = fs.addDelegationTokens(tokRenewer, creds);

        if (tokens != null)
            log.info("File system delegation tokens: " + Arrays.toString(tokens));

        amContainer.setTokens(IgniteYarnUtils.createTokenBuffer(creds));
    }

    // Set up resource type requirements for ApplicationMaster
    Resource capability = Records.newRecord(Resource.class);
    capability.setMemory(512);
    capability.setVirtualCores(1);

    // Finally, set-up ApplicationSubmissionContext for the application
    ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext();
    appContext.setApplicationName("ignition"); // application name
    appContext.setAMContainerSpec(amContainer);
    appContext.setResource(capability);
    appContext.setQueue("default"); // queue

    // Submit application
    ApplicationId appId = appContext.getApplicationId();

    yarnClient.submitApplication(appContext);

    log.log(Level.INFO, "Submitted application. Application id: {0}", appId);

    ApplicationReport appReport = yarnClient.getApplicationReport(appId);
    YarnApplicationState appState = appReport.getYarnApplicationState();

    while (appState == YarnApplicationState.NEW || appState == YarnApplicationState.NEW_SAVING
            || appState == YarnApplicationState.SUBMITTED || appState == YarnApplicationState.ACCEPTED) {
        TimeUnit.SECONDS.sleep(1L);

        appReport = yarnClient.getApplicationReport(appId);

        if (appState != YarnApplicationState.ACCEPTED
                && appReport.getYarnApplicationState() == YarnApplicationState.ACCEPTED)
            log.log(Level.INFO, "Application {0} is ACCEPTED.", appId);

        appState = appReport.getYarnApplicationState();
    }

    log.log(Level.INFO, "Application {0} is {1}.", new Object[] { appId, appState });
}

From source file:org.apache.metron.maas.service.Client.java

License:Apache License

/**
 * Main run function for the client/*ww  w.  j  a va 2s  . com*/
 * @return true if application completed successfully
 * @throws IOException
 * @throws YarnException
 */
public boolean run() throws IOException, YarnException {

    LOG.info("Running Client");
    yarnClient.start();

    YarnClusterMetrics clusterMetrics = yarnClient.getYarnClusterMetrics();
    LOG.info("Got Cluster metric info from ASM" + ", numNodeManagers=" + clusterMetrics.getNumNodeManagers());

    List<NodeReport> clusterNodeReports = yarnClient.getNodeReports(NodeState.RUNNING);
    LOG.info("Got Cluster node info from ASM");
    for (NodeReport node : clusterNodeReports) {
        LOG.info("Got node report from ASM for" + ", nodeId=" + node.getNodeId() + ", nodeAddress"
                + node.getHttpAddress() + ", nodeRackName" + node.getRackName() + ", nodeNumContainers"
                + node.getNumContainers());
    }

    QueueInfo queueInfo = yarnClient.getQueueInfo(this.amQueue);
    LOG.info("Queue info" + ", queueName=" + queueInfo.getQueueName() + ", queueCurrentCapacity="
            + queueInfo.getCurrentCapacity() + ", queueMaxCapacity=" + queueInfo.getMaximumCapacity()
            + ", queueApplicationCount=" + queueInfo.getApplications().size() + ", queueChildQueueCount="
            + queueInfo.getChildQueues().size());

    List<QueueUserACLInfo> listAclInfo = yarnClient.getQueueAclsInfo();
    for (QueueUserACLInfo aclInfo : listAclInfo) {
        for (QueueACL userAcl : aclInfo.getUserAcls()) {
            LOG.info("User ACL Info for Queue" + ", queueName=" + aclInfo.getQueueName() + ", userAcl="
                    + userAcl.name());
        }
    }

    if (domainId != null && domainId.length() > 0 && toCreateDomain) {
        prepareTimelineDomain();
    }

    // Get a new application id
    YarnClientApplication app = yarnClient.createApplication();
    GetNewApplicationResponse appResponse = app.getNewApplicationResponse();
    // TODO get min/max resource capabilities from RM and change memory ask if needed
    // If we do not have min/max, we may not be able to correctly request
    // the required resources from the RM for the app master
    // Memory ask has to be a multiple of min and less than max.
    // Dump out information about cluster capability as seen by the resource manager
    int maxMem = appResponse.getMaximumResourceCapability().getMemory();
    LOG.info("Max mem capabililty of resources in this cluster " + maxMem);

    // A resource ask cannot exceed the max.
    if (amMemory > maxMem) {
        LOG.info("AM memory specified above max threshold of cluster. Using max value." + ", specified="
                + amMemory + ", max=" + maxMem);
        amMemory = maxMem;
    }

    int maxVCores = appResponse.getMaximumResourceCapability().getVirtualCores();
    LOG.info("Max virtual cores capabililty of resources in this cluster " + maxVCores);

    if (amVCores > maxVCores) {
        LOG.info("AM virtual cores specified above max threshold of cluster. " + "Using max value."
                + ", specified=" + amVCores + ", max=" + maxVCores);
        amVCores = maxVCores;
    }

    // set the application name
    ApplicationSubmissionContext appContext = app.getApplicationSubmissionContext();
    ApplicationId appId = appContext.getApplicationId();

    appContext.setKeepContainersAcrossApplicationAttempts(keepContainers);
    appContext.setApplicationName(appName);

    if (attemptFailuresValidityInterval >= 0) {
        appContext.setAttemptFailuresValidityInterval(attemptFailuresValidityInterval);
    }

    // set local resources for the application master
    // local files or archives as needed
    // In this scenario, the jar file for the application master is part of the local resources
    Map<String, LocalResource> localResources = new HashMap<String, LocalResource>();

    LOG.info("Copy App Master jar from local filesystem and add to local environment");
    // Copy the application master jar to the filesystem
    // Create a local resource to point to the destination jar path
    FileSystem fs = FileSystem.get(conf);
    Path ajPath = addToLocalResources(fs, appMasterJar, appMasterJarPath, appId.toString(), localResources,
            null);

    // Set the log4j properties if needed
    if (!log4jPropFile.isEmpty()) {
        addToLocalResources(fs, log4jPropFile, log4jPath, appId.toString(), localResources, null);
    }

    // Set the necessary security tokens as needed
    //amContainer.setContainerTokens(containerToken);

    // Set the env variables to be setup in the env where the application master will be run
    LOG.info("Set the environment for the application master");
    Map<String, String> env = new HashMap<String, String>();

    // put location of shell script into env
    // using the env info, the application master will create the correct local resource for the
    // eventual containers that will be launched to execute the shell scripts
    if (domainId != null && domainId.length() > 0) {
        env.put(Constants.TIMELINEDOMAIN, domainId);
    }

    // Add AppMaster.jar location to classpath
    // At some point we should not be required to add
    // the hadoop specific classpaths to the env.
    // It should be provided out of the box.
    // For now setting all required classpaths including
    // the classpath to "." for the application jar
    StringBuilder classPathEnv = new StringBuilder(Environment.CLASSPATH.$$())
            .append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./*");
    for (String c : conf.getStrings(YarnConfiguration.YARN_APPLICATION_CLASSPATH,
            YarnConfiguration.DEFAULT_YARN_CROSS_PLATFORM_APPLICATION_CLASSPATH)) {
        classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR);
        classPathEnv.append(c.trim());
    }
    classPathEnv.append(ApplicationConstants.CLASS_PATH_SEPARATOR).append("./log4j.properties");

    // add the runtime classpath needed for tests to work
    if (conf.getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) {
        classPathEnv.append(':');
        classPathEnv.append(System.getProperty("java.class.path"));
    }

    env.put("CLASSPATH", classPathEnv.toString());

    // Set the necessary command to execute the application master
    Vector<CharSequence> vargs = new Vector<CharSequence>(30);

    // Set java executable command
    LOG.info("Setting up app master command");
    vargs.add(Environment.JAVA_HOME.$$() + "/bin/java");
    // Set Xmx based on am memory size
    vargs.add("-Xmx" + amMemory + "m");
    // Set class name
    vargs.add(appMasterMainClass);
    // Set params for Application Master
    vargs.add(ApplicationMaster.AMOptions.toArgs(ApplicationMaster.AMOptions.ZK_QUORUM.of(zkQuorum),
            ApplicationMaster.AMOptions.ZK_ROOT.of(zkRoot),
            ApplicationMaster.AMOptions.APP_JAR_PATH.of(ajPath.toString())));
    if (null != nodeLabelExpression) {
        appContext.setNodeLabelExpression(nodeLabelExpression);
    }
    for (Map.Entry<String, String> entry : shellEnv.entrySet()) {
        vargs.add("--shell_env " + entry.getKey() + "=" + entry.getValue());
    }

    vargs.add("1>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stdout");
    vargs.add("2>" + ApplicationConstants.LOG_DIR_EXPANSION_VAR + "/AppMaster.stderr");

    // Get final commmand
    StringBuilder command = new StringBuilder();
    for (CharSequence str : vargs) {
        command.append(str).append(" ");
    }

    LOG.info("Completed setting up app master command " + command.toString());
    List<String> commands = new ArrayList<String>();
    commands.add(command.toString());

    // Set up the container launch context for the application master
    ContainerLaunchContext amContainer = ContainerLaunchContext.newInstance(localResources, env, commands, null,
            null, null);

    // Set up resource type requirements
    // For now, both memory and vcores are supported, so we set memory and
    // vcores requirements
    Resource capability = Resource.newInstance(amMemory, amVCores);
    appContext.setResource(capability);

    // Service data is a binary blob that can be passed to the application
    // Not needed in this scenario

    // Setup security tokens
    if (UserGroupInformation.isSecurityEnabled()) {
        // Note: Credentials class is marked as LimitedPrivate for HDFS and MapReduce
        Credentials credentials = new Credentials();
        String tokenRenewer = conf.get(YarnConfiguration.RM_PRINCIPAL);
        if (tokenRenewer == null || tokenRenewer.length() == 0) {
            throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer");
        }

        // For now, only getting tokens for the default file-system.
        final Token<?> tokens[] = fs.addDelegationTokens(tokenRenewer, credentials);
        if (tokens != null) {
            for (Token<?> token : tokens) {
                LOG.info("Got dt for " + fs.getUri() + "; " + token);
            }
        }
        DataOutputBuffer dob = new DataOutputBuffer();
        credentials.writeTokenStorageToStream(dob);
        ByteBuffer fsTokens = ByteBuffer.wrap(dob.getData(), 0, dob.getLength());
        amContainer.setTokens(fsTokens);
    }

    appContext.setAMContainerSpec(amContainer);

    // Set the priority for the application master
    Priority pri = Priority.newInstance(amPriority);
    appContext.setPriority(pri);

    // Set the queue to which this application is to be submitted in the RM
    appContext.setQueue(amQueue);

    // Submit the application to the applications manager
    // SubmitApplicationResponse submitResp = applicationsManager.submitApplication(appRequest);
    // Ignore the response as either a valid response object is returned on success
    // or an exception thrown to denote some form of a failure
    LOG.info("Submitting application to ASM");

    yarnClient.submitApplication(appContext);

    // Monitor the application
    return monitorApplication(appId);

}

From source file:org.apache.slider.core.launch.AppMasterLauncher.java

License:Apache License

/**
 * Add the security tokens if this is a secure cluster
 * @throws IOException//w  w  w. j  av  a2s . co  m
 */
private void addSecurityTokens() throws IOException {

    String tokenRenewer = SecurityUtil.getServerPrincipal(getConf().get(YarnConfiguration.RM_PRINCIPAL),
            InetAddress.getLocalHost().getCanonicalHostName());
    if (SliderUtils.isUnset(tokenRenewer)) {
        throw new IOException("Can't get Master Kerberos principal for the RM to use as renewer: "
                + YarnConfiguration.RM_PRINCIPAL);
    }

    // For now, only getting tokens for the default file-system.
    FileSystem fs = coreFileSystem.getFileSystem();
    fs.addDelegationTokens(tokenRenewer, credentials);
}

From source file:org.apache.slider.core.launch.CredentialUtils.java

License:Apache License

/**
 * Create and add any filesystem delegation tokens with
 * the RM(s) configured to be able to renew them. Returns null
 * on an insecure cluster (i.e. harmless)
 * @param conf configuration/*from   w  w  w  .ja  va  2s  .  c o  m*/
 * @param fs filesystem
 * @param credentials credentials to update
 * @return a list of all added tokens.
 * @throws IOException
 */
public static Token<?>[] addRMRenewableFSDelegationTokens(Configuration conf, FileSystem fs,
        Credentials credentials) throws IOException {
    Preconditions.checkArgument(conf != null);
    Preconditions.checkArgument(credentials != null);
    if (UserGroupInformation.isSecurityEnabled()) {
        return fs.addDelegationTokens(CredentialUtils.getRMPrincipal(conf), credentials);
    }
    return null;
}

From source file:org.apache.slider.core.launch.CredentialUtils.java

License:Apache License

/**
 * Add an FS delegation token which can be renewed by the current user
 * @param fs filesystem/*from  www .ja v a2s . c  o m*/
 * @param credentials credentials to update
 * @throws IOException problems.
 */
public static void addSelfRenewableFSDelegationTokens(FileSystem fs, Credentials credentials)
        throws IOException {
    Preconditions.checkArgument(fs != null);
    Preconditions.checkArgument(credentials != null);
    fs.addDelegationTokens(getSelfRenewer(), credentials);
}

From source file:org.apache.storm.hdfs.security.AutoHDFS.java

License:Apache License

@SuppressWarnings("unchecked")
private byte[] getHadoopCredentials(Map<String, Object> conf, final Configuration configuration) {
    try {// w w  w . java 2s  .co  m
        if (UserGroupInformation.isSecurityEnabled()) {
            login(configuration);

            final String topologySubmitterUser = (String) conf.get(Config.TOPOLOGY_SUBMITTER_PRINCIPAL);

            final URI nameNodeURI = conf.containsKey(TOPOLOGY_HDFS_URI)
                    ? new URI(conf.get(TOPOLOGY_HDFS_URI).toString())
                    : FileSystem.getDefaultUri(configuration);

            UserGroupInformation ugi = UserGroupInformation.getCurrentUser();

            final UserGroupInformation proxyUser = UserGroupInformation.createProxyUser(topologySubmitterUser,
                    ugi);

            Credentials creds = (Credentials) proxyUser.doAs(new PrivilegedAction<Object>() {
                @Override
                public Object run() {
                    try {
                        FileSystem fileSystem = FileSystem.get(nameNodeURI, configuration);
                        Credentials credential = proxyUser.getCredentials();

                        if (configuration.get(STORM_USER_NAME_KEY) == null) {
                            configuration.set(STORM_USER_NAME_KEY, hdfsPrincipal);
                        }

                        fileSystem.addDelegationTokens(configuration.get(STORM_USER_NAME_KEY), credential);
                        LOG.info("Delegation tokens acquired for user {}", topologySubmitterUser);
                        return credential;
                    } catch (IOException e) {
                        throw new RuntimeException(e);
                    }
                }
            });

            ByteArrayOutputStream bao = new ByteArrayOutputStream();
            ObjectOutputStream out = new ObjectOutputStream(bao);

            creds.write(out);
            out.flush();
            out.close();

            return bao.toByteArray();
        } else {
            throw new RuntimeException("Security is not enabled for HDFS");
        }
    } catch (Exception ex) {
        throw new RuntimeException("Failed to get delegation tokens.", ex);
    }
}