2a37061e57
There are a few situations where this may be useful, for example simultaneous creation of <hostname>.example.org and <instance-id>.example.org The code already existed to clean up multiple entries for a given host, so this change is pretty simple. Co-Authored-By: Zhang Gengyuan <stanzgy@gmail.com> Change-Id: I8a410107d970d079f757f9d22c44485856239517
75 lines
2.6 KiB
Python
75 lines
2.6 KiB
Python
# Copyright 2012 Managed I.T.
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#
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# Author: Kiall Mac Innes <kiall@managedit.ie>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_config import cfg
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from oslo_log import log as logging
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from designate.notification_handler.base import BaseAddressHandler
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LOG = logging.getLogger(__name__)
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cfg.CONF.register_group(cfg.OptGroup(
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name='handler:nova_fixed',
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title="Configuration for Nova Notification Handler"
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))
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cfg.CONF.register_opts([
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cfg.ListOpt('notification-topics', default=['notifications']),
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cfg.StrOpt('control-exchange', default='nova'),
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cfg.StrOpt('domain-id', default=None),
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cfg.MultiStrOpt('format', default=[
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'%(octet0)s-%(octet1)s-%(octet2)s-%(octet3)s.%(domain)s'])
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], group='handler:nova_fixed')
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class NovaFixedHandler(BaseAddressHandler):
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"""Handler for Nova's notifications"""
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__plugin_name__ = 'nova_fixed'
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def get_exchange_topics(self):
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exchange = cfg.CONF[self.name].control_exchange
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topics = [topic for topic in cfg.CONF[self.name].notification_topics]
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return (exchange, topics)
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def get_event_types(self):
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return [
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'compute.instance.create.end',
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'compute.instance.delete.start',
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]
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def _get_ip_data(self, addr_dict):
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data = super(NovaFixedHandler, self)._get_ip_data(addr_dict)
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data['label'] = addr_dict['label']
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return data
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def process_notification(self, context, event_type, payload):
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LOG.debug('NovaFixedHandler received notification - %s' % event_type)
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domain_id = cfg.CONF[self.name].domain_id
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if event_type == 'compute.instance.create.end':
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self._create(addresses=payload['fixed_ips'],
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extra=payload,
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domain_id=domain_id,
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resource_id=payload['instance_id'],
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resource_type='instance')
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elif event_type == 'compute.instance.delete.start':
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self._delete(domain_id=domain_id,
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resource_id=payload['instance_id'],
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resource_type='instance')
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