Examples with Spark co.cask.cdap.api.spark.Spark used on opensource projects

Example 1 with Spark

use of co.cask.cdap.api.spark.Spark in project cdap by caskdata.

the class SparkProgramRunner method run.

@Override
public ProgramController run(Program program, ProgramOptions options) {
    // Get the RunId first. It is used for the creation of the ClassLoader closing thread.
    Arguments arguments = options.getArguments();
    RunId runId = ProgramRunners.getRunId(options);
    Deque<Closeable> closeables = new LinkedList<>();
    try {
        // Extract and verify parameters
        ApplicationSpecification appSpec = program.getApplicationSpecification();
        Preconditions.checkNotNull(appSpec, "Missing application specification.");
        ProgramType processorType = program.getType();
        Preconditions.checkNotNull(processorType, "Missing processor type.");
        Preconditions.checkArgument(processorType == ProgramType.SPARK, "Only Spark process type is supported.");
        SparkSpecification spec = appSpec.getSpark().get(program.getName());
        Preconditions.checkNotNull(spec, "Missing SparkSpecification for %s", program.getName());
        String host = options.getArguments().getOption(ProgramOptionConstants.HOST);
        Preconditions.checkArgument(host != null, "No hostname is provided");
        // Get the WorkflowProgramInfo if it is started by Workflow
        WorkflowProgramInfo workflowInfo = WorkflowProgramInfo.create(arguments);
        DatasetFramework programDatasetFramework = workflowInfo == null ? datasetFramework : NameMappedDatasetFramework.createFromWorkflowProgramInfo(datasetFramework, workflowInfo, appSpec);
        // Setup dataset framework context, if required
        if (programDatasetFramework instanceof ProgramContextAware) {
            ProgramId programId = program.getId();
            ((ProgramContextAware) programDatasetFramework).setContext(new BasicProgramContext(programId.run(runId)));
        }
        PluginInstantiator pluginInstantiator = createPluginInstantiator(options, program.getClassLoader());
        if (pluginInstantiator != null) {
            closeables.addFirst(pluginInstantiator);
        }
        SparkRuntimeContext runtimeContext = new SparkRuntimeContext(new Configuration(hConf), program, options, cConf, host, txClient, programDatasetFramework, discoveryServiceClient, metricsCollectionService, streamAdmin, workflowInfo, pluginInstantiator, secureStore, secureStoreManager, authorizationEnforcer, authenticationContext, messagingService, serviceAnnouncer, pluginFinder, locationFactory);
        closeables.addFirst(runtimeContext);
        Spark spark;
        try {
            spark = new InstantiatorFactory(false).get(TypeToken.of(program.<Spark>getMainClass())).create();
        } catch (Exception e) {
            LOG.error("Failed to instantiate Spark class for {}", spec.getClassName(), e);
            throw Throwables.propagate(e);
        }
        SparkSubmitter submitter = SparkRuntimeContextConfig.isLocal(hConf) ? new LocalSparkSubmitter() : new DistributedSparkSubmitter(hConf, locationFactory, host, runtimeContext, options.getArguments().getOption(Constants.AppFabric.APP_SCHEDULER_QUEUE));
        Service sparkRuntimeService = new SparkRuntimeService(cConf, spark, getPluginArchive(options), runtimeContext, submitter, locationFactory);
        sparkRuntimeService.addListener(createRuntimeServiceListener(closeables), Threads.SAME_THREAD_EXECUTOR);
        ProgramController controller = new SparkProgramController(sparkRuntimeService, runtimeContext);
        LOG.debug("Starting Spark Job. Context: {}", runtimeContext);
        if (SparkRuntimeContextConfig.isLocal(hConf) || UserGroupInformation.isSecurityEnabled()) {
            sparkRuntimeService.start();
        } else {
            ProgramRunners.startAsUser(cConf.get(Constants.CFG_HDFS_USER), sparkRuntimeService);
        }
        return controller;
    } catch (Throwable t) {
        closeAllQuietly(closeables);
        throw Throwables.propagate(t);
    }
}

Example 2 with Spark

use of co.cask.cdap.api.spark.Spark in project cdap by caskdata.

the class ExternalSparkProgram method configure.

@Override
protected void configure() {
    PluginSpec pluginSpec = stageSpec.getPlugin();
    PluginProperties pluginProperties = PluginProperties.builder().addAll(pluginSpec.getProperties()).build();
    // use a UUID as plugin ID so that it doesn't clash with anything. Only using the class here to
    // check which main class is needed
    // TODO: clean this up so that we only get the class once and store it in the PluginSpec instead of getting
    // it in the pipeline spec generator and here
    Object sparkPlugin = usePlugin(pluginSpec.getType(), pluginSpec.getName(), UUID.randomUUID().toString(), pluginProperties);
    if (sparkPlugin == null) {
        // should never happen, should have been checked before by the pipeline spec generator
        throw new IllegalStateException(String.format("No plugin found of type %s and name %s for stage %s", pluginSpec.getType(), pluginSpec.getName(), STAGE_NAME));
    }
    if (Spark.class.isAssignableFrom(sparkPlugin.getClass())) {
        // TODO: Pass in a forwarding configurer so that we can capture the properties set by the plugin
        // However the usage is very limited as the plugin can always use plugin config to preserve properties
        ((Spark) sparkPlugin).configure(getConfigurer());
    } else if (SparkMain.class.isAssignableFrom(sparkPlugin.getClass())) {
        setMainClass(ScalaSparkMainWrapper.class);
    } else {
        setMainClass(JavaSparkMainWrapper.class);
    }
    setName(phaseSpec.getPhaseName());
    Map<String, String> properties = new HashMap<>();
    properties.put(STAGE_NAME, stageSpec.getName());
    properties.put(Constants.PIPELINEID, GSON.toJson(phaseSpec, BatchPhaseSpec.class));
    setProperties(properties);
}

Example 3 with Spark

use of co.cask.cdap.api.spark.Spark in project cdap by caskdata.

the class SparkRuntimeService method destroy.

/**
 * Calls the destroy or onFinish method of {@link ProgramLifecycle}.
 */
private void destroy(final ProgramState state) {
    context.setState(state);
    TransactionControl txControl = spark instanceof ProgramLifecycle ? Transactions.getTransactionControl(TransactionControl.IMPLICIT, Spark.class, spark, "destroy") : TransactionControl.IMPLICIT;
    runtimeContext.destroyProgram(programLifecycle, txControl, false);
}

Example 4 with Spark

use of co.cask.cdap.api.spark.Spark in project cdap by caskdata.

the class DefaultAppConfigurer method addSpark.

@Override
public void addSpark(Spark spark) {
    Preconditions.checkArgument(spark != null, "Spark cannot be null.");
    DefaultSparkConfigurer configurer = null;
    // It is a bit hacky here to look for the DefaultExtendedSparkConfigurer implementation through the
    // SparkRunnerClassloader directly (CDAP-11797)
    ClassLoader sparkRunnerClassLoader = ClassLoaders.findByName(spark.getClass().getClassLoader(), "co.cask.cdap.app.runtime.spark.classloader.SparkRunnerClassLoader");
    if (sparkRunnerClassLoader != null) {
        try {
            configurer = (DefaultSparkConfigurer) sparkRunnerClassLoader.loadClass("co.cask.cdap.app.deploy.spark.DefaultExtendedSparkConfigurer").getConstructor(Spark.class, Id.Namespace.class, Id.Artifact.class, ArtifactRepository.class, PluginInstantiator.class).newInstance(spark, deployNamespace, artifactId, artifactRepository, pluginInstantiator);
        } catch (Exception e) {
            // Ignore it and the configurer will be defaulted to DefaultSparkConfigurer
            LOG.trace("No DefaultExtendedSparkConfigurer found. Fallback to DefaultSparkConfigurer.", e);
        }
    }
    if (configurer == null) {
        configurer = new DefaultSparkConfigurer(spark, deployNamespace, artifactId, artifactRepository, pluginInstantiator);
    }
    spark.configure(configurer);
    addDatasetsAndPlugins(configurer);
    SparkSpecification spec = configurer.createSpecification();
    sparks.put(spec.getName(), spec);
}