/usr/share/pyshared/maasserver/dhcp_connect.py is in python-django-maas 1.2+bzr1373+dfsg-0ubuntu1~12.04.6.
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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 32 33 34 35 36 37 38 39 40 41 42 43 | # Copyright 2012 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""DHCP management module: connect DHCP tasks with signals."""
from __future__ import (
absolute_import,
print_function,
unicode_literals,
)
__metaclass__ = type
__all__ = [
]
from django.db.models.signals import post_save
from django.dispatch import receiver
from maasserver.models import (
NodeGroup,
NodeGroupInterface,
)
from maasserver.signals import connect_to_field_change
@receiver(post_save, sender=NodeGroupInterface)
def dhcp_post_save_NodeGroupInterface(sender, instance, created, **kwargs):
"""Update the DHCP config related to the saved nodegroupinterface."""
# Circular import.
from maasserver.dhcp import configure_dhcp
configure_dhcp(instance.nodegroup)
def dhcp_post_edit_status_NodeGroup(instance, old_field, **kwargs):
"""The status of a NodeGroup changed."""
# This could be optimized a bit by detecting if the status change is
# actually a change from 'do not manage DHCP' to 'manage DHCP'.
# Circular import.
from maasserver.dhcp import configure_dhcp
configure_dhcp(instance)
connect_to_field_change(dhcp_post_edit_status_NodeGroup, NodeGroup, 'status')
|