Celery - Get task id for current task

Solution 1:

UPDATE: use Balthazar's answer for Celery 3.1+

@task(bind=True)
def do_job(self, path):
   cache.set(self.request.id, operation_results)

Feel free to upvote his answer.

Old answer:

Since Celery 2.2.0, information related to the currently executed task is saved to task.request (it's called «the context»). So you should get task id from this context (not from keyword arguments, which are deprecated):

@task
def do_job(path):
    cache.set(do_job.request.id, operation_results)

The list of all available fields is documented here: http://celery.readthedocs.org/en/latest/userguide/tasks.html?highlight=requestcontext#context

Solution 2:

As of celery 3.1, you can use the bind decorator argument, and have access to the current request:

@task(bind=True)
def do_job(self, path):
    cache.set(self.request.id, operation_results)

Solution 3:

Celery does set some default keyword arguments if the task accepts them. (you can accept them by either using **kwargs, or list them specifically)

@task
def do_job(path, task_id=None):
    cache.set(task_id, operation_results)

The list of default keyword arguments is documented here: http://ask.github.com/celery/userguide/tasks.html#default-keyword-arguments