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# 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 oslo_log import log as logging
from designate.context import DesignateContext
from designate.objects import Record
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('zone-name', default='example.org.'),
cfg.StrOpt('zone-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[self.name].control_exchange
topics = [topic for topic in cfg.CONF[self.name].notification_topics]
return exchange, topics
def get_event_types(self):
return [
'compute.instance.create.end'
]
def process_notification(self, context, event_type, payload):
# Do something with the notification.. e.g:
zone_id = cfg.CONF[self.name].zone_id
zone_name = cfg.CONF[self.name].zone_name
record_name = '%s.%s' % (payload['instance_id'], zone_name)
context = DesignateContext().elevated()
context.all_tenants = True
# context.edit_managed_records = True
for fixed_ip in payload['fixed_ips']:
recordset_values = {
'zone_id': zone_id,
'name': record_name,
'type': 'A' if fixed_ip['version'] == 4 else 'AAAA'
}
record_values = {
'data': fixed_ip['address'],
}
recordset = self._find_or_create_recordset(context,
**recordset_values)
self.central_api.create_record(context, zone_id, recordset['id'],
Record(**record_values))
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