neutron/neutron/api/rpc/handlers/metadata_rpc.py
Boden R 9bbe9911c4 remove neutron.common.constants
All of the externally consumed variables from neutron.common.constants
now live in neutron-lib. This patch removes neutron.common.constants
and switches all uses over to lib.

NeutronLibImpact

Depends-On: https://review.openstack.org/#/c/647836/
Change-Id: I3c2f28ecd18996a1cee1ae3af399166defe9da87
2019-04-04 14:10:26 -06:00

43 lines
1.5 KiB
Python

# Copyright (c) 2014 OpenStack Foundation.
#
# 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 neutron_lib import constants
from neutron_lib.plugins import directory
import oslo_messaging
class MetadataRpcCallback(object):
"""Metadata agent RPC callback in plugin implementations.
This class implements the server side of an rpc interface used by the
metadata service to make calls back into the Neutron plugin. The client
side is defined in neutron.agent.metadata.agent.MetadataPluginAPI. For
more information about changing rpc interfaces, see
doc/source/contributor/internals/rpc_api.rst.
"""
# 1.0 MetadataPluginAPI BASE_RPC_API_VERSION
target = oslo_messaging.Target(version='1.0',
namespace=constants.RPC_NAMESPACE_METADATA)
@property
def plugin(self):
if not hasattr(self, '_plugin'):
self._plugin = directory.get_plugin()
return self._plugin
def get_ports(self, context, filters):
return self.plugin.get_ports(context, filters=filters)