Esempio n. 1
0
def cleanup_tasks():
    # in case of cold restart of the workers, there might be jobs that still have their "lock" object, but aren't really
    # going to run. this job removes them.
    lock_keys = redis_connection.keys(
        "query_hash_job:*")  # TODO: use set instead of keys command
    if not lock_keys:
        return

    query_tasks = [
        QueryTask(job_id=j) for j in redis_connection.mget(lock_keys)
    ]

    logger.info("Found %d locks", len(query_tasks))

    inspect = celery.control.inspect()
    active_tasks = inspect.active()
    if active_tasks is None:
        active_tasks = []
    else:
        active_tasks = active_tasks.values()

    all_tasks = set()
    for task_list in active_tasks:
        for task in task_list:
            all_tasks.add(task['id'])

    logger.info("Active jobs count: %d", len(all_tasks))

    for i, t in enumerate(query_tasks):
        if t.ready():
            # if locked task is ready already (failed, finished, revoked), we don't need the lock anymore
            logger.warning("%s is ready (%s), removing lock.", lock_keys[i],
                           t.celery_status)
            redis_connection.delete(lock_keys[i])
Esempio n. 2
0
def cleanup_tasks():
    # in case of cold restart of the workers, there might be jobs that still have their "lock" object, but aren't really
    # going to run. this job removes them.
    lock_keys = redis_connection.keys("query_hash_job:*") # TODO: use set instead of keys command
    if not lock_keys:
        return
    
    query_tasks = [QueryTask(job_id=j) for j in redis_connection.mget(lock_keys)]

    logger.info("Found %d locks", len(query_tasks))

    inspect = celery.control.inspect()
    active_tasks = inspect.active()
    if active_tasks is None:
        active_tasks = []
    else:
        active_tasks = active_tasks.values()

    all_tasks = set()
    for task_list in active_tasks:
        for task in task_list:
            all_tasks.add(task['id'])

    logger.info("Active jobs count: %d", len(all_tasks))

    for i, t in enumerate(query_tasks):
        if t.ready():
            # if locked task is ready already (failed, finished, revoked), we don't need the lock anymore
            logger.warning("%s is ready (%s), removing lock.", lock_keys[i], t.celery_status)
            redis_connection.delete(lock_keys[i])