designate/contrib/designate-ext-samplehandler/designate_ext_samplehandler/notification_handler/sample.py

77 lines
2.8 KiB
Python

# Copyright 2013 Hewlett-Packard Development Company, L.P.
#
# Author: Kiall Mac Innes <kiall@hp.com>
#
# 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 designate.openstack.common import log as logging
from designate.notification_handler.base import NotificationHandler
LOG = logging.getLogger(__name__)
# Setup a config group
cfg.CONF.register_group(cfg.OptGroup(
name='handler:sample',
title="Configuration for Sample Notification Handler"
))
# Setup the config options
cfg.CONF.register_opts([
cfg.StrOpt('control-exchange', default='nova'),
cfg.ListOpt('notification-topics', default=['designate']),
cfg.StrOpt('domain-name', default='example.org.'),
cfg.StrOpt('domain-id', default='12345'),
], group='handler:sample')
class SampleHandler(NotificationHandler):
""" Sample Handler """
__plugin_name__ = 'sample'
def get_exchange_topics(self):
"""
Return a tuple of (exchange, [topics]) this handler wants to receive
events from.
"""
exchange = cfg.CONF['handler:sample'].control_exchange
notification_topics = cfg.CONF['handler:sample'].notification_topics
notification_topics = [t + ".info" for t in notification_topics]
return (exchange, notification_topics)
def get_event_types(self):
return [
'compute.instance.create.end'
]
def process_notification(self, event_type, payload):
# Do something with the notification.. e.g:
domain_id = cfg.CONF['handler:sample'].domain_id
domain_name = cfg.CONF['handler:sample'].domain_name
hostname = '%s.%s' % (payload['instance_id'], domain_name)
for fixed_ip in payload['fixed_ips']:
if fixed_ip['version'] == 4:
self.central_api.create_record(domain_id,
type='A',
name=hostname,
data=fixed_ip['address'])
elif fixed_ip['version'] == 6:
self.central_api.create_record(domain_id,
type='AAAA',
name=hostname,
data=fixed_ip['address'])