zulip/zerver/management/commands/purge_queue.py

41 lines
1.5 KiB
Python

from argparse import ArgumentParser
from typing import Any
from django.core.management import CommandError
from django.core.management.base import BaseCommand
from zerver.lib.queue import SimpleQueueClient
from zerver.worker.queue_processors import get_active_worker_queues
class Command(BaseCommand):
def add_arguments(self, parser: ArgumentParser) -> None:
parser.add_argument(dest="queue_name", nargs='?',
help="queue to purge")
parser.add_argument('--all', action="store_true",
help="purge all queues")
help = "Discards all messages from the given queue"
def handle(self, *args: Any, **options: str) -> None:
def purge_queue(queue_name: str) -> None:
queue = SimpleQueueClient()
queue.ensure_queue(queue_name, lambda channel: channel.queue_purge(queue_name))
if options['all']:
for queue_name in get_active_worker_queues():
purge_queue(queue_name)
print("All queues purged")
elif not options['queue_name']:
raise CommandError("Missing queue_name argument!")
else:
queue_name = options['queue_name']
if not (queue_name in get_active_worker_queues() or
queue_name.startswith("notify_tornado")):
raise CommandError(f"Unknown queue {queue_name}")
print(f"Purging queue {queue_name}")
purge_queue(queue_name)
print("Done")