Merge branch 'v3' of github.com:jumpserver/jumpserver into v3

apps/ops/signal_handlers.py

@@ -1,17 +1,15 @@
 import ast
-from celery import signals
 
-from django.db import transaction
+from celery import signals
 from django.core.cache import cache
+from django.db import transaction
 from django.db.models.signals import pre_save
-from django.dispatch import receiver
 from django.db.utils import ProgrammingError
+from django.dispatch import receiver
 from django.utils import translation, timezone
 from django.utils.translation import gettext as _
 
-from common.signals import django_ready
 from common.db.utils import close_old_connections, get_logger
-
 from .celery import app
 from .models import CeleryTaskExecution, CeleryTask, Job
 
@@ -27,8 +25,12 @@ def on_account_pre_create(sender, instance, **kwargs):
     instance.version += 1
 
 
-@receiver(django_ready)
+@receiver(signals.worker_ready)
 def sync_registered_tasks(*args, **kwargs):
+    synced = cache.get('synced_registered_tasks', False)
+    if synced:
+        return
+    cache.set('synced_registered_tasks', True, 60)
     with transaction.atomic():
         try:
             db_tasks = CeleryTask.objects.all()