Examples with TaskExecutor org.ow2.proactive.scheduler.task.executors.TaskExecutor used on opensource projects

Example 1 with TaskExecutor

use of org.ow2.proactive.scheduler.task.executors.TaskExecutor in project scheduling by ow2-proactive.

the class TaskLauncher method doTask.

public void doTask(ExecutableContainer executableContainer, TaskResult[] previousTasksResults, TaskTerminateNotification terminateNotification, String terminateNotificationNodeURL, boolean taskRecoverable) {
    TaskResultImpl taskResult;
    WallTimer wallTimer = null;
    TaskContext context = null;
    Stopwatch taskStopwatchForFailures = null;
    TaskDataspaces dataspaces = null;
    try {
        taskStarted.set(true);
        logger.info("Task started " + taskId.getJobId().getReadableName() + " : " + taskId.getReadableName());
        this.taskKiller = this.replaceTaskKillerWithDoubleTimeoutValueIfRunAsMe(executableContainer.isRunAsUser());
        wallTimer = new WallTimer(initializer.getWalltime(), taskKiller);
        taskStopwatchForFailures = Stopwatch.createUnstarted();
        taskLauncherRebinder = new TaskLauncherRebinder(taskId, terminateNotificationNodeURL, taskRecoverable);
        addShutdownHook();
        // lock the cache space cleaning mechanism
        DataSpaceNodeConfigurationAgent.lockCacheSpaceCleaning();
        dataspaces = factory.createTaskDataspaces(taskId, initializer.getNamingService(), executableContainer.isRunAsUser());
        File taskLogFile = taskLogger.createFileAppender(dataspaces.getScratchFolder());
        progressFileReader.start(dataspaces.getScratchFolder(), taskId);
        context = new TaskContext(executableContainer, initializer, previousTasksResults, new NodeDataSpacesURIs(dataspaces.getScratchURI(), dataspaces.getCacheURI(), dataspaces.getInputURI(), dataspaces.getOutputURI(), dataspaces.getUserURI(), dataspaces.getGlobalURI()), progressFileReader.getProgressFile().toString(), getHostname(), decrypter);
        File workingDir = getTaskWorkingDir(context, dataspaces);
        logger.info("Task working dir: " + workingDir);
        logger.info("Cache space: " + context.getNodeDataSpaceURIs().getCacheURI());
        logger.info("Input space: " + context.getNodeDataSpaceURIs().getInputURI());
        logger.info("Output space: " + context.getNodeDataSpaceURIs().getOutputURI());
        logger.info("User space: " + context.getNodeDataSpaceURIs().getUserURI());
        logger.info("Global space: " + context.getNodeDataSpaceURIs().getGlobalURI());
        logger.info("Scheduler rest url: " + context.getSchedulerRestUrl());
        wallTimer.start();
        // should handle interrupt
        dataspaces.copyInputDataToScratch(initializer.getFilteredInputFiles(fileSelectorsFilters(context)));
        if (decrypter != null) {
            decrypter.setCredentials(executableContainer.getCredentials());
        }
        TaskExecutor taskExecutor = factory.createTaskExecutor(workingDir);
        taskStopwatchForFailures.start();
        taskResult = taskExecutor.execute(context, taskLogger.getOutputSink(), taskLogger.getErrorSink());
        taskStopwatchForFailures.stop();
        // by the time the task finishes, the scheduler might have had a
        // transient failure, so we need to make sure that the placeholder
        // for the task's result still exists, or get the new place for
        // the result if it does not exist anymore.
        TaskTerminateNotification rebindedTerminateNotification = taskLauncherRebinder.makeSureSchedulerIsConnected(terminateNotification);
        switch(taskKiller.getStatus()) {
            case WALLTIME_REACHED:
                taskResult = getWalltimedTaskResult(context, taskStopwatchForFailures);
                sendResultToScheduler(rebindedTerminateNotification, taskResult);
                return;
            case KILLED_MANUALLY:
                // killed by Scheduler, no need to send results back
                return;
        }
        dataspaces.copyScratchDataToOutput(initializer.getFilteredOutputFiles(fileSelectorsFilters(context, taskResult)));
        wallTimer.stop();
        copyTaskLogsToUserSpace(taskLogFile, dataspaces);
        taskResult.setLogs(taskLogger.getLogs());
        sendResultToScheduler(rebindedTerminateNotification, taskResult);
    } catch (Throwable taskFailure) {
        if (wallTimer != null) {
            wallTimer.stop();
        }
        switch(taskKiller.getStatus()) {
            case WALLTIME_REACHED:
                taskResult = getWalltimedTaskResult(context, taskStopwatchForFailures);
                sendResultToScheduler(terminateNotification, taskResult);
                break;
            case KILLED_MANUALLY:
                // killed by Scheduler, no need to send results back
                return;
            default:
                logger.info("Failed to execute task", taskFailure);
                long elapsedTime = 0;
                if (taskStopwatchForFailures != null) {
                    elapsedTime = taskStopwatchForFailures.elapsed(TimeUnit.MILLISECONDS);
                }
                taskFailure.printStackTrace(taskLogger.getErrorSink());
                Map<String, byte[]> serializedVariables = extractVariablesFromContext(context);
                taskResult = new TaskResultImpl(taskId, taskFailure, taskLogger.getLogs(), elapsedTime);
                taskResult.setPropagatedVariables(serializedVariables);
                sendResultToScheduler(terminateNotification, taskResult);
        }
    } finally {
        try {
            progressFileReader.stop();
            taskLogger.close();
            if (dataspaces != null) {
                dataspaces.close();
            }
            // unlocks the cache space cleaning thread
            DataSpaceNodeConfigurationAgent.unlockCacheSpaceCleaning();
            removeShutdownHook();
        } finally {
            terminate();
        }
    }
}

Example 2 with TaskExecutor

use of org.ow2.proactive.scheduler.task.executors.TaskExecutor in project scheduling by ow2-proactive.

the class ForkedTaskExecutorRunAsMeTest method runAsMe_PasswordMethod.

@Test
public void runAsMe_PasswordMethod() throws Throwable {
    TestTaskOutput taskOutput = new TestTaskOutput();
    Decrypter decrypter = createCredentials(USERNAME, PASSWORD);
    ForkedTaskExecutor taskExecutor = new ForkedTaskExecutor(tmpFolder.newFolder());
    TaskLauncherInitializer initializer = new TaskLauncherInitializer();
    initializer.setTaskId((TaskIdImpl.createTaskId(JobIdImpl.makeJobId("1000"), "job", 1000L)));
    ScriptExecutableContainer container = new ScriptExecutableContainer(new TaskScript(new SimpleScript("whoami", "native")));
    container.setRunAsUser(true);
    TaskContext taskContext = new TaskContext(container, initializer, null, new NodeDataSpacesURIs("", "", "", "", "", ""), "", "", decrypter);
    TaskResultImpl result = taskExecutor.execute(taskContext, taskOutput.outputStream, taskOutput.error);
    assertTaskResultOk(result);
    assertEquals("admin\n", taskOutput.output());
}

Example 3 with TaskExecutor

use of org.ow2.proactive.scheduler.task.executors.TaskExecutor in project scheduling by ow2-proactive.

the class ForkedTaskExecutorTest method nonDaemonThreadsForkedJVMExit.

/**
 * This test ensures that the forked JVM exited properly when non-daemon threads are created inside the task
 *
 * @throws Exception
 */
@Test(timeout = 30000)
public void nonDaemonThreadsForkedJVMExit() throws Exception {
    String taskScript = CharStreams.toString(new InputStreamReader(getClass().getResourceAsStream("/task-nondaemon-thread.groovy"), Charsets.UTF_8));
    TestTaskOutput taskOutput = new TestTaskOutput();
    File workingDir = tmpFolder.newFolder();
    ForkedTaskExecutor taskExecutor = new ForkedTaskExecutor(workingDir);
    TaskLauncherInitializer initializer = new TaskLauncherInitializer();
    initializer.setTaskId((TaskIdImpl.createTaskId(JobIdImpl.makeJobId("1000"), "job", 1000L)));
    TaskResultImpl result = taskExecutor.execute(new TaskContext(new ScriptExecutableContainer(new TaskScript(new SimpleScript(taskScript, "groovy"))), initializer, null, new NodeDataSpacesURIs("", "", "", "", "", ""), "", ""), taskOutput.outputStream, taskOutput.error);
    Assert.assertFalse(result.hadException());
}

Example 4 with TaskExecutor

use of org.ow2.proactive.scheduler.task.executors.TaskExecutor in project scheduling by ow2-proactive.

the class ForkedTaskExecutorTest method failToFindJava.

@Test
public void failToFindJava() throws Throwable {
    System.setProperty("java.home", "does not exist");
    TestTaskOutput taskOutput = new TestTaskOutput();
    ForkedTaskExecutor taskExecutor = new ForkedTaskExecutor(tmpFolder.newFolder());
    TaskLauncherInitializer initializer = new TaskLauncherInitializer();
    initializer.setTaskId((TaskIdImpl.createTaskId(JobIdImpl.makeJobId("1000"), "job", 1000L)));
    TaskResultImpl result = taskExecutor.execute(new TaskContext(new ScriptExecutableContainer(new TaskScript(new SimpleScript("print('hello'); result='hello'", "javascript"))), initializer, null, new NodeDataSpacesURIs("", "", "", "", "", ""), "", ""), taskOutput.outputStream, taskOutput.error);
    assertNotNull(result.getException());
}

Example 5 with TaskExecutor

use of org.ow2.proactive.scheduler.task.executors.TaskExecutor in project scheduling by ow2-proactive.

the class ForkedTaskExecutorTest method runAsMe_userDoesNotExist.

@Test
public void runAsMe_userDoesNotExist() throws Throwable {
    TestTaskOutput taskOutput = new TestTaskOutput();
    Decrypter decrypter = createCredentials("somebody_that_does_not_exists");
    ForkedTaskExecutor taskExecutor = new ForkedTaskExecutor(tmpFolder.newFolder());
    TaskLauncherInitializer initializer = new TaskLauncherInitializer();
    initializer.setTaskId((TaskIdImpl.createTaskId(JobIdImpl.makeJobId("1000"), "job", 1000L)));
    ScriptExecutableContainer container = new ScriptExecutableContainer(new TaskScript(new SimpleScript("print('hello'); result='hello'", "javascript")));
    container.setRunAsUser(true);
    TaskContext taskContext = new TaskContext(container, initializer, null, new NodeDataSpacesURIs("", "", "", "", "", ""), "", "", decrypter);
    TaskResultImpl result = taskExecutor.execute(taskContext, taskOutput.outputStream, taskOutput.error);
    assertNotNull(result.getException());
}