designate/designate/notification_handler/neutron.py

90 lines
3.4 KiB
Python

# Copyright 2012 Bouvet ASA
#
# Author: Endre Karlson <endre.karlson@bouvet.no>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_config import cfg
from oslo_log import log as logging
from designate.notification_handler import base
LOG = logging.getLogger(__name__)
# TODO(trungnv): update default format for v4 and v6 in these cfg.
neutron_group = cfg.OptGroup(
name='handler:neutron_floatingip',
title="Configuration for Neutron Notification Handler"
)
neutron_opts = [
cfg.ListOpt('notification-topics', default=['notifications'],
help='notification any events from neutron'),
cfg.StrOpt('control-exchange', default='neutron',
help='control-exchange for neutron notification'),
cfg.StrOpt('zone-id', help='Zone ID with each notification'),
cfg.MultiStrOpt('formatv4', help='IPv4 format'),
cfg.MultiStrOpt('format', deprecated_for_removal=True,
deprecated_reason="Replaced by 'formatv4/formatv6'",
help='format which replaced by formatv4/formatv6'),
cfg.MultiStrOpt('formatv6', help='IPv6 format')
]
cfg.CONF.register_group(neutron_group)
cfg.CONF.register_opts(neutron_opts, group=neutron_group)
class NeutronFloatingHandler(base.BaseAddressHandler):
"""Handler for Neutron's notifications"""
__plugin_name__ = 'neutron_floatingip'
def get_exchange_topics(self):
exchange = cfg.CONF[self.name].control_exchange
topics = [topic for topic in cfg.CONF[self.name].notification_topics]
return (exchange, topics)
def get_event_types(self):
return [
'floatingip.update.end',
'floatingip.delete.start'
]
def process_notification(self, context, event_type, payload):
LOG.debug('%s received notification - %s',
self.get_canonical_name(), event_type)
zone_id = cfg.CONF[self.name].zone_id
if event_type.startswith('floatingip.delete'):
self._delete(zone_id=zone_id,
resource_id=payload['floatingip_id'],
resource_type='floatingip')
elif event_type.startswith('floatingip.update'):
if payload['floatingip']['fixed_ip_address']:
address = {
'version': 4,
'address': payload['floatingip']['floating_ip_address']
}
payload['floatingip']['project'] = context.get(
"project_name", None)
self._create(addresses=[address],
extra=payload['floatingip'],
zone_id=zone_id,
resource_id=payload['floatingip']['id'],
resource_type='floatingip')
else:
self._delete(zone_id=zone_id,
resource_id=payload['floatingip']['id'],
resource_type='floatingip')