vmware-nsx/neutron/common/topics.py
Sylvain Afchain 1e4a5f1bdb Add metering extension and base class
This a part of the blueprint bandwidth-router-label

This patch initiates the blueprint by adding base class
to associate labels and metering rules to tenant's routers.

Change-Id: Ia93b49d881e79c3291730cff7b80f26c56fedb48
2013-08-14 14:32:46 +02:00

52 lines
1.6 KiB
Python

# Copyright (c) 2012 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.
NETWORK = 'network'
SUBNET = 'subnet'
PORT = 'port'
SECURITY_GROUP = 'security_group'
CREATE = 'create'
DELETE = 'delete'
UPDATE = 'update'
AGENT = 'q-agent-notifier'
PLUGIN = 'q-plugin'
DHCP = 'q-dhcp-notifer'
FIREWALL_PLUGIN = 'q-firewall-plugin'
METERING_PLUGIN = 'q-metering-plugin'
L3_AGENT = 'l3_agent'
DHCP_AGENT = 'dhcp_agent'
METERING_AGENT = 'metering_agent'
METERING_PLUGIN = 'metering_plugin'
def get_topic_name(prefix, table, operation):
"""Create a topic name.
The topic name needs to be synced between the agent and the
plugin. The plugin will send a fanout message to all of the
listening agents so that the agents in turn can perform their
updates accordingly.
:param prefix: Common prefix for the plugin/agent message queues.
:param table: The table in question (NETWORK, SUBNET, PORT).
:param operation: The operation that invokes notification (CREATE,
DELETE, UPDATE)
:returns: The topic name.
"""
return '%s-%s-%s' % (prefix, table, operation)