neutron/neutron/agent/l2/agent_extension.py

62 lines
1.8 KiB
Python

# Copyright (c) 2015 Mellanox Technologies, Ltd
# All Rights Reserved.
#
# 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.
import abc
import six
@six.add_metaclass(abc.ABCMeta)
class AgentCoreResourceExtension(object):
"""Define stable abstract interface for Agent extension.
An agent extension extends the agent core functionality.
"""
def initialize(self, resource_rpc):
"""Perform agent core resource extension initialization.
Called after all extensions have been loaded.
No abstract methods defined below will be
called prior to this method being called.
:param resource_rpc - the agent side rpc for getting
resource by type and id
"""
self.resource_rpc = resource_rpc
def handle_network(self, context, data):
"""handle agent extension for network.
:param context - rpc context
:param data - network data
"""
pass
def handle_subnet(self, context, data):
"""handle agent extension for subnet.
:param context - rpc context
:param data - subnet data
"""
pass
def handle_port(self, context, data):
"""handle agent extension for port.
:param context - rpc context
:param data - port data
"""
pass