55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
# Copyright (c) 2012 OpenStack, LLC.
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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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import logging
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from quantum.db import db_base_plugin_v2
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from quantum.db import models_v2
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from quantum.plugins.linuxbridge.db import l2network_db as cdb
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LOG = logging.getLogger(__name__)
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class LinuxBridgePluginV2(db_base_plugin_v2.QuantumDbPluginV2):
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"""
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LinuxBridgePlugin provides support for Quantum abstractions
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using LinuxBridge. A new VLAN is created for each network.
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It relies on an agent to perform the actual bridge configuration
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on each host.
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"""
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def __init__(self):
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cdb.initialize(base=models_v2.model_base.BASEV2)
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LOG.debug("Linux Bridge Plugin initialization complete")
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def create_network(self, context, network):
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new_network = super(LinuxBridgePluginV2, self).create_network(context,
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network)
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try:
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vlan_id = cdb.reserve_vlanid()
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cdb.add_vlan_binding(vlan_id, new_network['id'])
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except:
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super(LinuxBridgePluginV2, self).delete_network(context,
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new_network['id'])
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raise
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return new_network
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def delete_network(self, context, id):
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vlan_binding = cdb.get_vlan_binding(id)
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cdb.release_vlanid(vlan_binding['vlan_id'])
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cdb.remove_vlan_binding(id)
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return super(LinuxBridgePluginV2, self).delete_network(context, id)
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