f76110be99
Convert several places in the code that were using the RpcCallback compatibility class. This class eased the transition to oslo.messaging. This patch drops the usage of this class in favor of direct usage of the appropriate oslo.messaging API. Part of blueprint drop-rpc-compat. Change-Id: I955958e836635d43dabc7b39d050c1418b18cf8f
112 lines
3.6 KiB
Python
112 lines
3.6 KiB
Python
# Copyright 2013, Nachi Ueno, NTT I3, Inc.
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# All Rights Reserved.
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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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import abc
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from oslo import messaging
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import six
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from neutron.common import rpc as n_rpc
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from neutron.db.vpn import vpn_validator
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from neutron import manager
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from neutron.openstack.common import log as logging
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from neutron.plugins.common import constants
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LOG = logging.getLogger(__name__)
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@six.add_metaclass(abc.ABCMeta)
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class VpnDriver(object):
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def __init__(self, service_plugin, validator=None):
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self.service_plugin = service_plugin
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if validator is None:
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validator = vpn_validator.VpnReferenceValidator()
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self.validator = validator
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@property
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def l3_plugin(self):
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return manager.NeutronManager.get_service_plugins().get(
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constants.L3_ROUTER_NAT)
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@property
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def service_type(self):
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pass
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@abc.abstractmethod
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def create_vpnservice(self, context, vpnservice):
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pass
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@abc.abstractmethod
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def update_vpnservice(
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self, context, old_vpnservice, vpnservice):
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pass
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@abc.abstractmethod
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def delete_vpnservice(self, context, vpnservice):
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pass
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@abc.abstractmethod
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def create_ipsec_site_connection(self, context, ipsec_site_connection):
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pass
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@abc.abstractmethod
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def update_ipsec_site_connection(self, context, old_ipsec_site_connection,
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ipsec_site_connection):
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pass
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@abc.abstractmethod
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def delete_ipsec_site_connection(self, context, ipsec_site_connection):
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pass
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class BaseIPsecVpnAgentApi(object):
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"""Base class for IPSec API to agent."""
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def __init__(self, topic, default_version, driver):
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self.topic = topic
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self.driver = driver
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target = messaging.Target(topic=topic, version=default_version)
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self.client = n_rpc.get_client(target)
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def _agent_notification(self, context, method, router_id,
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version=None, **kwargs):
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"""Notify update for the agent.
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This method will find where is the router, and
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dispatch notification for the agent.
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"""
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admin_context = context if context.is_admin else context.elevated()
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if not version:
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version = self.target.version
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l3_agents = self.driver.l3_plugin.get_l3_agents_hosting_routers(
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admin_context, [router_id],
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admin_state_up=True,
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active=True)
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for l3_agent in l3_agents:
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LOG.debug('Notify agent at %(topic)s.%(host)s the message '
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'%(method)s %(args)s',
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{'topic': self.topic,
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'host': l3_agent.host,
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'method': method,
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'args': kwargs})
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cctxt = self.client.prepare(server=l3_agent.host, version=version)
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cctxt.cast(context, method, **kwargs)
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def vpnservice_updated(self, context, router_id, **kwargs):
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"""Send update event of vpnservices."""
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self._agent_notification(context, 'vpnservice_updated', router_id,
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**kwargs)
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