124 lines
4.5 KiB
Python
124 lines
4.5 KiB
Python
# Copyright 2014 eBay Inc.
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#
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# Author: Ron Rickard <rrickard@ebaysf.com>
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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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import oslo_messaging as messaging
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from designate.i18n import _LI
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from designate import rpc
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LOG = logging.getLogger(__name__)
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MNGR_API = None
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class PoolManagerAPI(object):
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"""
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Client side of the Pool Manager RPC API.
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API version history:
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API version history:
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1.0 - Initial version
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2.0 - Rename domains to zones
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2.1 - Add target_sync
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"""
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RPC_API_VERSION = '2.1'
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def __init__(self, topic=None):
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self.topic = topic if topic else cfg.CONF.pool_manager_topic
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target = messaging.Target(topic=self.topic,
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version=self.RPC_API_VERSION)
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self.client = rpc.get_client(target, version_cap='2.1')
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@classmethod
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def get_instance(cls):
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"""
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The rpc.get_client() which is called upon the API object initialization
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will cause a assertion error if the designate.rpc.TRANSPORT isn't setup
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by rpc.init() before.
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This fixes that by creating the rpcapi when demanded.
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"""
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global MNGR_API
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if not MNGR_API:
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MNGR_API = cls()
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return MNGR_API
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def target_sync(self, context, pool_id, target_id, timestamp):
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LOG.info(_LI("target_sync: Syncing target %(target) since "
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"%(timestamp)d."),
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{'target': target_id, 'timestamp': timestamp})
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# Modifying the topic so it is pool manager instance specific.
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topic = '%s.%s' % (self.topic, pool_id)
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cctxt = self.client.prepare(topic=topic)
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return cctxt.call(
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context, 'target_sync', pool_id=pool_id, target_id=target_id,
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timestamp=timestamp)
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def create_zone(self, context, zone):
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LOG.info(_LI("create_zone: Calling pool manager for %(zone)s, "
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"serial:%(serial)s"),
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{'zone': zone.name, 'serial': zone.serial})
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# Modifying the topic so it is pool manager instance specific.
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topic = '%s.%s' % (self.topic, zone.pool_id)
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cctxt = self.client.prepare(topic=topic)
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return cctxt.cast(
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context, 'create_zone', zone=zone)
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def delete_zone(self, context, zone):
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LOG.info(_LI("delete_zone: Calling pool manager for %(zone)s, "
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"serial:%(serial)s"),
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{'zone': zone.name, 'serial': zone.serial})
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# Modifying the topic so it is pool manager instance specific.
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topic = '%s.%s' % (self.topic, zone.pool_id)
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cctxt = self.client.prepare(topic=topic)
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return cctxt.cast(
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context, 'delete_zone', zone=zone)
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def update_zone(self, context, zone):
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LOG.info(_LI("update_zone: Calling pool manager for %(zone)s, "
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"serial:%(serial)s"),
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{'zone': zone.name, 'serial': zone.serial})
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# Modifying the topic so it is pool manager instance specific.
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topic = '%s.%s' % (self.topic, zone.pool_id)
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cctxt = self.client.prepare(topic=topic)
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return cctxt.cast(
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context, 'update_zone', zone=zone)
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def update_status(self, context, zone, nameserver, status,
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actual_serial):
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LOG.info(_LI("update_status: Calling pool manager for %(zone)s : "
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"%(action)s : %(status)s : %(serial)s on nameserver "
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"'%(host)s:%(port)s'"),
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{'zone': zone.name, 'action': zone.action,
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'status': status, 'serial': actual_serial,
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'host': nameserver.host, 'port': nameserver.port})
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# Modifying the topic so it is pool manager instance specific.
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topic = '%s.%s' % (self.topic, zone.pool_id)
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cctxt = self.client.prepare(topic=topic)
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return cctxt.cast(
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context, 'update_status', zone=zone, nameserver=nameserver,
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status=status, actual_serial=actual_serial)
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