|
- # -*- coding: utf-8 -*-
- from __future__ import (absolute_import, division, print_function,
- unicode_literals)
-
-
- import logging
- from rq import get_current_connection
- from rq import Worker
-
-
- logger = logging.getLogger(__name__)
-
-
- def cleanup_ghosts(conn=None):
- """
- RQ versions < 0.3.6 suffered from a race condition where workers, when
- abruptly terminated, did not have a chance to clean up their worker
- registration, leading to reports of ghosted workers in `rqinfo`. Since
- 0.3.6, new worker registrations automatically expire, and the worker will
- make sure to refresh the registrations as long as it's alive.
-
- This function will clean up any of such legacy ghosted workers.
- """
- conn = conn if conn else get_current_connection()
- for worker in Worker.all(connection=conn):
- if conn.ttl(worker.key) == -1:
- ttl = worker.default_worker_ttl
- conn.expire(worker.key, ttl)
- logger.info('Marked ghosted worker {0} to expire in {1} seconds.'.format(worker.name, ttl))
|
