def disable(self):
self.cloud.enabled = False
self.cloud.save()
# We schedule a task to set the `missing_since` of resources associated
# with `self.cloud` with a small delay. Since the poller syncs with the
# db every 20 sec, there is a good chance that the poller will not pick
# up the change to `self.cloud.enabled` in time to stop scheduling
# further polling tasks. This may result in `missing_since` being reset
# to `None`. For that, we schedule a task in the future to ensure that
# celery has executed all respective poller tasks first.
from mist.api.tasks import set_missing_since
set_missing_since.apply_async((self.cloud.id, ), countdown=30)
def delete(self, expire=False):
"""Delete a Cloud.
By default the corresponding mongodb document is not actually deleted,
but rather marked as deleted.
:param expire: if True, the document is expired from its collection.
"""
if expire:
# FIXME: Set reverse_delete_rule=me.CASCADE?
from mist.api.machines.models import Machine
Machine.objects(cloud=self.cloud).delete()
self.cloud.delete()
else:
from mist.api.tasks import set_missing_since
self.cloud.deleted = datetime.datetime.utcnow()
self.cloud.save()
set_missing_since.apply_async((self.cloud.id, ), countdown=30)