43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
# Copyright (c) 2014 OpenStack Foundation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from neutron_lib import constants
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from neutron_lib.plugins import directory
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import oslo_messaging
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class MetadataRpcCallback(object):
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"""Metadata agent RPC callback in plugin implementations.
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This class implements the server side of an rpc interface used by the
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metadata service to make calls back into the Neutron plugin. The client
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side is defined in neutron.agent.metadata.agent.MetadataPluginAPI. For
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more information about changing rpc interfaces, see
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doc/source/contributor/internals/rpc_api.rst.
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"""
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# 1.0 MetadataPluginAPI BASE_RPC_API_VERSION
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target = oslo_messaging.Target(version='1.0',
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namespace=constants.RPC_NAMESPACE_METADATA)
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@property
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def plugin(self):
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if not hasattr(self, '_plugin'):
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self._plugin = directory.get_plugin()
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return self._plugin
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def get_ports(self, context, filters):
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return self.plugin.get_ports(context, filters=filters)
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