61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
# Copyright (c) 2012 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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NETWORK = 'network'
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SUBNET = 'subnet'
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PORT = 'port'
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SECURITY_GROUP = 'security_group'
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L2POPULATION = 'l2population'
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CREATE = 'create'
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DELETE = 'delete'
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UPDATE = 'update'
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AGENT = 'q-agent-notifier'
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PLUGIN = 'q-plugin'
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L3PLUGIN = 'q-l3-plugin'
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DHCP = 'q-dhcp-notifer'
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FIREWALL_PLUGIN = 'q-firewall-plugin'
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METERING_PLUGIN = 'q-metering-plugin'
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LOADBALANCER_PLUGIN = 'n-lbaas-plugin'
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SERVICEVM_PLUGIN = 'q-servicevm-plugin'
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L3_AGENT = 'l3_agent'
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DHCP_AGENT = 'dhcp_agent'
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METERING_AGENT = 'metering_agent'
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LOADBALANCER_AGENT = 'n-lbaas_agent'
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SERVICEVM_AGENT = 'servicevm-agent'
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SERVICEVM_AGENT_NAMEPSACE = 'servicevm-agent-namespace'
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def get_topic_name(prefix, table, operation, host=None):
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"""Create a topic name.
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The topic name needs to be synced between the agent and the
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plugin. The plugin will send a fanout message to all of the
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listening agents so that the agents in turn can perform their
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updates accordingly.
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:param prefix: Common prefix for the plugin/agent message queues.
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:param table: The table in question (NETWORK, SUBNET, PORT).
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:param operation: The operation that invokes notification (CREATE,
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DELETE, UPDATE)
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:param host: Add host to the topic
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:returns: The topic name.
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"""
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if host:
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return '%s-%s-%s.%s' % (prefix, table, operation, host)
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return '%s-%s-%s' % (prefix, table, operation)
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