Examples with InternalTask org.ow2.proactive.scheduler.task.internal.InternalTask used on opensource projects

Example 1 with InternalTask

use of org.ow2.proactive.scheduler.task.internal.InternalTask in project scheduling by ow2-proactive.

the class LiveJobs method preemptTask.

TerminationData preemptTask(JobId jobId, String taskName, int restartDelay) throws UnknownJobException, UnknownTaskException {
    JobData jobData = lockJob(jobId);
    if (jobData == null) {
        throw new UnknownJobException(jobId);
    }
    try {
        InternalTask task = jobData.job.getTask(taskName);
        tlogger.info(task.getId(), "preempting task " + task.getId());
        if (!task.getStatus().isTaskAlive()) {
            tlogger.info(task.getId(), "task isn't alive: " + task.getStatus());
            return emptyResult(task.getId());
        }
        RunningTaskData taskData = runningTasksData.remove(TaskIdWrapper.wrap(task.getId()));
        if (taskData == null) {
            throw new IllegalStateException("Task " + task.getId() + " is not running.");
        }
        TaskResultImpl taskResult = taskResultCreator.getTaskResult(dbManager, jobData.job, task, new TaskPreemptedException("Preempted by admin"), new SimpleTaskLogs("", "Preempted by admin"));
        TerminationData terminationData = createAndFillTerminationData(taskResult, taskData, jobData.job, TerminationData.TerminationStatus.ABORTED);
        long waitTime = restartDelay * 1000L;
        restartTaskOnError(jobData, task, TaskStatus.PENDING, taskResult, waitTime, terminationData);
        return terminationData;
    } finally {
        jobData.unlock();
    }
}

Example 2 with InternalTask

use of org.ow2.proactive.scheduler.task.internal.InternalTask in project scheduling by ow2-proactive.

the class LiveJobs method taskTerminatedWithResult.

public TerminationData taskTerminatedWithResult(TaskId taskId, TaskResultImpl result) {
    JobData jobData = lockJob(taskId.getJobId());
    if (jobData == null) {
        return emptyResult(taskId);
    }
    try {
        InternalTask task;
        try {
            task = jobData.job.getTask(taskId);
        } catch (UnknownTaskException e) {
            logger.error("Unexpected exception", e);
            return emptyResult(taskId);
        }
        if (task.getStatus() != TaskStatus.RUNNING) {
            tlogger.info(taskId, "task isn't running anymore");
            return emptyResult(taskId);
        }
        TaskIdWrapper taskIdWrapper = TaskIdWrapper.wrap(taskId);
        RunningTaskData taskData = runningTasksData.remove(taskIdWrapper);
        if (taskData == null) {
            tlogger.info(taskId, "Task " + taskId + " terminates after a recovery of the scheduler");
            taskData = new RunningTaskData(task, jobData.job.getOwner(), jobData.job.getCredentials(), task.getExecuterInformation().getLauncher());
        }
        TerminationData terminationData = createAndFillTerminationData(result, taskData, jobData.job, TerminationData.TerminationStatus.NORMAL);
        boolean errorOccurred = result.hadException();
        tlogger.info(taskId, "finished with" + (errorOccurred ? "" : "out") + " errors");
        if (errorOccurred) {
            tlogger.error(taskId, "task has terminated with an error", result.getException());
            task.decreaseNumberOfExecutionLeft();
            boolean requiresPauseJobOnError = onErrorPolicyInterpreter.requiresPauseJobOnError(task);
            int numberOfExecutionLeft = task.getNumberOfExecutionLeft();
            if (numberOfExecutionLeft <= 0 && onErrorPolicyInterpreter.requiresCancelJobOnError(task)) {
                tlogger.info(taskId, "no retry left and task is tagged with cancel job on error");
                jobData.job.increaseNumberOfFaultyTasks(taskId);
                endJob(jobData, terminationData, task, result, "An error occurred in your task and the maximum number of executions has been reached. " + "You also ask to cancel the job in such a situation!", JobStatus.CANCELED);
                jlogger.info(taskId.getJobId(), "job has been canceled");
                return terminationData;
            } else if (numberOfExecutionLeft > 0) {
                tlogger.info(taskId, "number of execution left is " + numberOfExecutionLeft);
                if (onErrorPolicyInterpreter.requiresPauseTaskOnError(task) || requiresPauseJobOnError) {
                    long waitTime = jobData.job.getNextWaitingTime(task.getMaxNumberOfExecution() - numberOfExecutionLeft);
                    restartTaskOnError(jobData, task, TaskStatus.WAITING_ON_ERROR, result, waitTime, terminationData);
                    tlogger.info(taskId, "new restart is scheduled");
                    return terminationData;
                } else {
                    jobData.job.increaseNumberOfFaultyTasks(taskId);
                    long waitTime = jobData.job.getNextWaitingTime(task.getMaxNumberOfExecution() - numberOfExecutionLeft);
                    restartTaskOnError(jobData, task, TaskStatus.WAITING_ON_ERROR, result, waitTime, terminationData);
                    tlogger.info(taskId, "new restart is scheduled");
                    return terminationData;
                }
            } else if (numberOfExecutionLeft <= 0) {
                if (!onErrorPolicyInterpreter.requiresPauseTaskOnError(task) && !onErrorPolicyInterpreter.requiresPauseJobOnError(task) && !onErrorPolicyInterpreter.requiresCancelJobOnError(task)) {
                    jobData.job.increaseNumberOfFaultyTasks(taskId);
                    // remove the parent tasks results if task fails and job is canceled
                    task.removeParentTasksResults();
                } else if (onErrorPolicyInterpreter.requiresPauseTaskOnError(task)) {
                    suspendTaskOnError(jobData, task, result.getTaskDuration());
                    tlogger.info(taskId, "Task always contains errors after automatic restart, so it stays in In_Error state");
                    return terminationData;
                } else if (requiresPauseJobOnError) {
                    suspendTaskOnError(jobData, task, result.getTaskDuration());
                    pauseJob(task.getJobId());
                    logger.info("Task always contains errors after automatic restart, so Job is always paused on error");
                    return terminationData;
                }
                if (requiresPauseJobOnError) {
                    pauseJob(task.getJobId());
                }
            }
        } else {
            // remove the parent tasks results if task finished with no error
            task.removeParentTasksResults();
        }
        terminateTask(jobData, task, errorOccurred, result, terminationData);
        return terminationData;
    } finally {
        jobData.unlock();
    }
}

Example 3 with InternalTask

use of org.ow2.proactive.scheduler.task.internal.InternalTask in project scheduling by ow2-proactive.

the class LiveJobs method endJob.

private void endJob(JobData jobData, TerminationData terminationData, InternalTask task, TaskResultImpl taskResult, String errorMsg, JobStatus jobStatus) {
    JobId jobId = jobData.job.getId();
    jobs.remove(jobId);
    terminationData.addJobToTerminate(jobId);
    InternalJob job = jobData.job;
    SchedulerEvent event;
    if (job.getStatus() == JobStatus.PENDING) {
        event = SchedulerEvent.JOB_PENDING_TO_FINISHED;
    } else {
        event = SchedulerEvent.JOB_RUNNING_TO_FINISHED;
    }
    if (task != null) {
        jlogger.info(job.getId(), "ending request caused by task " + task.getId());
    } else {
        jlogger.info(job.getId(), "ending request");
    }
    for (Iterator<RunningTaskData> i = runningTasksData.values().iterator(); i.hasNext(); ) {
        RunningTaskData taskData = i.next();
        if (taskData.getTask().getJobId().equals(jobId)) {
            i.remove();
            // remove previous read progress
            taskData.getTask().setProgress(0);
            terminationData.addTaskData(job, taskData, TerminationData.TerminationStatus.ABORTED, taskResult);
        }
    }
    // if job has been killed
    if (jobStatus == JobStatus.KILLED) {
        Set<TaskId> tasksToUpdate = job.failed(null, jobStatus);
        dbManager.updateAfterJobKilled(job, tasksToUpdate);
        updateTasksInSchedulerState(job, tasksToUpdate);
    } else {
        // finished state (failed/canceled)
        if (jobStatus != JobStatus.FINISHED) {
            Set<TaskId> tasksToUpdate = job.failed(task.getId(), jobStatus);
            // store the exception into jobResult / To prevent from empty
            // task result (when job canceled), create one
            boolean noResult = (jobStatus == JobStatus.CANCELED && taskResult == null);
            if (jobStatus == JobStatus.FAILED || noResult) {
                taskResult = new TaskResultImpl(task.getId(), new Exception(errorMsg), new SimpleTaskLogs("", errorMsg), -1);
            }
            dbManager.updateAfterJobFailed(job, task, taskResult, tasksToUpdate);
            updateTasksInSchedulerState(job, tasksToUpdate);
        }
    }
    // update job and tasks events list and send it to front-end
    updateJobInSchedulerState(job, event);
    jlogger.info(job.getId(), "finished (" + jobStatus + ")");
}

Example 4 with InternalTask

use of org.ow2.proactive.scheduler.task.internal.InternalTask in project scheduling by ow2-proactive.

the class LiveJobs method restartWaitingTask.

void restartWaitingTask(TaskId taskId) {
    JobData jobData = lockJob(taskId.getJobId());
    if (jobData == null) {
        return;
    }
    try {
        InternalTask task = jobData.job.getTask(taskId);
        if (!task.getStatus().isTaskAlive()) {
            tlogger.warn(taskId, "task to be restarted isn't alive " + task.getStatus());
            return;
        }
        jobData.job.reStartTask(task);
    } catch (UnknownTaskException e) {
        logger.error("Unexpected exception", e);
    } finally {
        jobData.unlock();
    }
}

Example 5 with InternalTask

use of org.ow2.proactive.scheduler.task.internal.InternalTask in project scheduling by ow2-proactive.

the class LiveJobs method suspendTaskOnError.

private void suspendTaskOnError(JobData jobData, InternalTask task, long taskDuration) {
    InternalJob job = jobData.job;
    job.setInErrorTime(System.currentTimeMillis());
    job.setTaskPausedOnError(task);
    setJobStatusToInErrorIfNotPaused(job);
    job.incrementNumberOfInErrorTasksBy(1);
    task.setInErrorTime(task.getStartTime() + taskDuration);
    dbManager.updateJobAndTasksState(job);
    updateTaskPausedOnerrorState(job, task.getId());
    updateJobInSchedulerState(job, SchedulerEvent.JOB_IN_ERROR);
}