jumpserver/apps/ops/signal_handlers.py

35 lines
904 B
Python

from django.utils import translation
from django.core.cache import cache
from celery.signals import task_prerun, task_postrun, before_task_publish
from common.db.utils import close_old_connections
TASK_LANG_CACHE_KEY = 'TASK_LANG_{}'
TASK_LANG_CACHE_TTL = 1800
@before_task_publish.connect()
def before_task_publish(headers=None, **kwargs):
task_id = headers.get('id')
current_lang = translation.get_language()
key = TASK_LANG_CACHE_KEY.format(task_id)
cache.set(key, current_lang, 1800)
@task_prerun.connect()
def on_celery_task_pre_run(task_id='', **kwargs):
# 关闭之前的数据库连接
close_old_connections()
# 保存 Lang context
key = TASK_LANG_CACHE_KEY.format(task_id)
task_lang = cache.get(key)
if task_lang:
translation.activate(task_lang)
@task_postrun.connect()
def on_celery_task_post_run(**kwargs):
close_old_connections()