Examples with LauncherException com.twitter.heron.spi.scheduler.LauncherException used on opensource projects

Example 1 with LauncherException

use of com.twitter.heron.spi.scheduler.LauncherException in project heron by twitter.

the class LaunchRunner method call.

/**
   * Call launcher to launch topology
   *
   * @throws LauncherException
   * @throws PackingException
   * @throws SubmitDryRunResponse
   */
public void call() throws LauncherException, PackingException, SubmitDryRunResponse {
    SchedulerStateManagerAdaptor statemgr = Runtime.schedulerStateManagerAdaptor(runtime);
    TopologyAPI.Topology topology = Runtime.topology(runtime);
    String topologyName = Context.topologyName(config);
    PackingPlan packedPlan = LauncherUtils.getInstance().createPackingPlan(config, runtime);
    if (Context.dryRun(config)) {
        throw new SubmitDryRunResponse(topology, config, packedPlan);
    }
    // initialize the launcher
    launcher.initialize(config, runtime);
    // Set topology def first since we determine whether a topology is running
    // by checking the existence of topology def
    // store the trimmed topology definition into the state manager
    // TODO(rli): log-and-false anti-pattern is too nested on this path. will not refactor
    Boolean result = statemgr.setTopology(trimTopology(topology), topologyName);
    if (result == null || !result) {
        throw new LauncherException(String.format("Failed to set topology definition for topology '%s'", topologyName));
    }
    result = statemgr.setPackingPlan(createPackingPlan(packedPlan), topologyName);
    if (result == null || !result) {
        statemgr.deleteTopology(topologyName);
        throw new LauncherException(String.format("Failed to set packing plan for topology '%s'", topologyName));
    }
    // store the execution state into the state manager
    ExecutionEnvironment.ExecutionState executionState = createExecutionState();
    result = statemgr.setExecutionState(executionState, topologyName);
    if (result == null || !result) {
        statemgr.deletePackingPlan(topologyName);
        statemgr.deleteTopology(topologyName);
        throw new LauncherException(String.format("Failed to set execution state for topology '%s'", topologyName));
    }
    // launch the topology, clear the state if it fails
    if (!launcher.launch(packedPlan)) {
        statemgr.deleteExecutionState(topologyName);
        statemgr.deletePackingPlan(topologyName);
        statemgr.deleteTopology(topologyName);
        throw new LauncherException(String.format("Failed to launch topology '%s'", topologyName));
    }
}

Example 2 with LauncherException

use of com.twitter.heron.spi.scheduler.LauncherException in project heron by twitter.

the class SubmitterMain method submitTopology.

/**
   * Submit a topology
   * 1. Instantiate necessary resources
   * 2. Valid whether it is legal to submit a topology
   * 3. Call LauncherRunner
   *
   */
public void submitTopology() throws TopologySubmissionException {
    // build primary runtime config first
    Config primaryRuntime = Config.newBuilder().putAll(LauncherUtils.getInstance().createPrimaryRuntime(topology)).build();
    // call launcher directly here if in dry-run mode
    if (Context.dryRun(config)) {
        callLauncherRunner(primaryRuntime);
        return;
    }
    // 1. Do prepare work
    // create an instance of state manager
    String statemgrClass = Context.stateManagerClass(config);
    IStateManager statemgr;
    // Create an instance of the launcher class
    String launcherClass = Context.launcherClass(config);
    ILauncher launcher;
    // create an instance of the uploader class
    String uploaderClass = Context.uploaderClass(config);
    IUploader uploader;
    // create an instance of state manager
    try {
        statemgr = ReflectionUtils.newInstance(statemgrClass);
    } catch (IllegalAccessException | InstantiationException | ClassNotFoundException e) {
        throw new TopologySubmissionException(String.format("Failed to instantiate state manager class '%s'", statemgrClass), e);
    }
    // create an instance of launcher
    try {
        launcher = ReflectionUtils.newInstance(launcherClass);
    } catch (IllegalAccessException | InstantiationException | ClassNotFoundException e) {
        throw new LauncherException(String.format("Failed to instantiate launcher class '%s'", launcherClass), e);
    }
    // create an instance of uploader
    try {
        uploader = ReflectionUtils.newInstance(uploaderClass);
    } catch (IllegalAccessException | InstantiationException | ClassNotFoundException e) {
        throw new UploaderException(String.format("Failed to instantiate uploader class '%s'", uploaderClass), e);
    }
    // Put it in a try block so that we can always clean resources
    try {
        // initialize the state manager
        statemgr.initialize(config);
        // TODO(mfu): timeout should read from config
        SchedulerStateManagerAdaptor adaptor = new SchedulerStateManagerAdaptor(statemgr, 5000);
        // Check if topology is already running
        validateSubmit(adaptor, topology.getName());
        LOG.log(Level.FINE, "Topology {0} to be submitted", topology.getName());
        Config runtimeWithoutPackageURI = Config.newBuilder().putAll(primaryRuntime).putAll(LauncherUtils.getInstance().createAdaptorRuntime(adaptor)).put(Key.LAUNCHER_CLASS_INSTANCE, launcher).build();
        PackingPlan packingPlan = LauncherUtils.getInstance().createPackingPlan(config, runtimeWithoutPackageURI);
        // The packing plan might call for a number of containers different than the config
        // settings. If that's the case we need to modify the configs to match.
        runtimeWithoutPackageURI = updateNumContainersIfNeeded(runtimeWithoutPackageURI, topology, packingPlan);
        // If the packing plan is valid we will upload necessary packages
        URI packageURI = uploadPackage(uploader);
        // Update the runtime config with the packageURI
        Config runtimeAll = Config.newBuilder().putAll(runtimeWithoutPackageURI).put(Key.TOPOLOGY_PACKAGE_URI, packageURI).build();
        callLauncherRunner(runtimeAll);
    } catch (LauncherException | PackingException e) {
        // we undo uploading of topology package only if launcher fails to
        // launch topology, which will throw LauncherException or PackingException
        uploader.undo();
        throw e;
    } finally {
        SysUtils.closeIgnoringExceptions(uploader);
        SysUtils.closeIgnoringExceptions(launcher);
        SysUtils.closeIgnoringExceptions(statemgr);
    }
}