/usr/lib/python2.7/dist-packages/maasserver/locks.py is in python-django-maas 1.5+bzr2252-0ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | # Copyright 2014 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Region-wide locks."""
from __future__ import (
absolute_import,
print_function,
unicode_literals,
)
str = None
__metaclass__ = type
__all__ = [
"eventloop",
"security",
"startup",
]
from maasserver.utils.dblocks import DatabaseLock
# Lock around starting-up a MAAS region.
startup = DatabaseLock(1)
# Lock around performing critical security-related operations, like
# generating or signing certificates.
security = DatabaseLock(2)
# Lock used when starting up the event-loop.
eventloop = DatabaseLock(3)
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