def install_HUP_not_supported_handler(worker):
def warn_on_HUP_handler(signum, frame):
worker.logger.error("SIGHUP not supported: "
"Restarting with HUP is unstable on this platform!")
platform.install_signal_handler("SIGHUP", warn_on_HUP_handler)
def install_HUP_not_supported_handler(worker):
def warn_on_HUP_handler(signum, frame):
worker.logger.error(
"SIGHUP not supported: "
"Restarting with HUP is unstable on this platform!")
platform.install_signal_handler("SIGHUP", warn_on_HUP_handler)
def install_worker_restart_handler(worker):
def restart_worker_sig_handler(signum, frame):
"""Signal handler restarting the current python program."""
worker.logger.warn("Restarting celeryd (%s)" % (" ".join(sys.argv)))
worker.stop()
os.execv(sys.executable, [sys.executable] + sys.argv)
platform.install_signal_handler("SIGHUP", restart_worker_sig_handler)
def install_worker_restart_handler(worker):
def restart_worker_sig_handler(signum, frame):
"""Signal handler restarting the current python program."""
worker.logger.warn("Restarting celeryd (%s)" % (" ".join(sys.argv)))
worker.stop()
os.execv(sys.executable, [sys.executable] + sys.argv)
platform.install_signal_handler("SIGHUP", restart_worker_sig_handler)
def install_worker_term_handler(worker):
def _stop(signum, frame):
process_name = multiprocessing.current_process().name
if process_name == "MainProcess":
worker.logger.warn("celeryd: Warm shutdown (%s)" % (process_name))
worker.stop()
raise SystemExit()
platform.install_signal_handler("SIGTERM", _stop)
def install_sync_handler(self, beat):
"""Install a ``SIGTERM`` + ``SIGINT`` handler that saves
the celerybeat schedule."""
def _sync(signum, frame):
beat.sync()
raise SystemExit()
platform.install_signal_handler("SIGTERM", _sync)
platform.install_signal_handler("SIGINT", _sync)
def install_worker_term_handler(worker):
def _stop(signum, frame):
process_name = multiprocessing.current_process().name
if process_name == "MainProcess":
worker.logger.warn("celeryd: Warm shutdown (%s)" % (process_name))
worker.stop()
raise SystemExit()
platform.install_signal_handler("SIGTERM", _stop)
def install_worker_int_again_handler(worker):
def _stop(signum, frame):
process_name = multiprocessing.current_process().name
if process_name == "MainProcess":
worker.logger.warn("celeryd: Cold shutdown (%s)" % (process_name))
worker.terminate()
raise SystemExit()
platform.install_signal_handler("SIGINT", _stop)
def install_sync_handler(self, beat):
"""Install a ``SIGTERM`` + ``SIGINT`` handler that saves
the celerybeat schedule."""
def _sync(signum, frame):
beat.sync()
raise SystemExit()
platform.install_signal_handler("SIGTERM", _sync)
platform.install_signal_handler("SIGINT", _sync)
def install_worker_term_handler(worker):
def _stop(signum, frame):
if current_process().name == 'MainProcess':
worker.logger.warn("Stopping celeryd (%s)" % \
(current_process().name))
worker.stop()
raise SystemExit()
platform.install_signal_handler("SIGTERM", _stop)
def install_worker_int_handler(worker):
def _stop(signum, frame):
if multiprocessing.current_process().name == 'MainProcess':
worker.logger.warn("celeryd: Cold shutdown (%s)" % \
(current_process().name))
worker.terminate()
raise SystemExit()
platform.install_signal_handler("SIGINT", _stop)
def install_worker_int_handler(worker):
def _stop(signum, frame):
process_name = multiprocessing.current_process().name
if process_name == "MainProcess":
worker.logger.warn("celeryd: Hitting Ctrl+C again will terminate "
"all running tasks!")
install_worker_int_again_handler(worker)
worker.logger.warn("celeryd: Warm shutdown (%s)" % (process_name))
worker.stop()
raise SystemExit()
platform.install_signal_handler("SIGINT", _stop)
def install_worker_int_handler(worker):
def _stop(signum, frame):
process_name = multiprocessing.current_process().name
if process_name == "MainProcess":
worker.logger.warn(
"celeryd: Hitting Ctrl+C again will terminate "
"all running tasks!")
install_worker_int_again_handler(worker)
worker.logger.warn("celeryd: Warm shutdown (%s)" % (
process_name))
worker.stop()
raise SystemExit()
platform.install_signal_handler("SIGINT", _stop)
def install_worker_restart_handler(worker):
def restart_worker_sig_handler(signum, frame):
"""Signal handler restarting the current python program."""
worker.logger.info("Restarting celeryd (%s)" % (
" ".join(sys.argv)))
if worker.is_detached:
pid = os.fork()
if pid:
worker.stop()
sys.exit(0)
else:
worker.stop()
os.execv(sys.executable, [sys.executable] + sys.argv)
platform.install_signal_handler("SIGHUP", restart_worker_sig_handler)
def install_worker_term_handler(worker):
def _stop(signum, frame):
raise SystemExit()
platform.install_signal_handler("SIGTERM", _stop)
