41 lines
1.6 KiB
Python
41 lines
1.6 KiB
Python
# Copyright (c) 2015 OpenStack Foundation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_config import cfg
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from neutron.api.v2 import attributes
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from neutron.db import db_base_plugin_v2
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from neutron.extensions import netmtu
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from neutron.plugins.common import utils
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CONF = cfg.CONF
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# TODO(ihrachys): the class is not used in the tree; mixins are generally
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# discouraged these days, so maybe it's worth considering deprecation for the
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# class. Interested plugins would be able to ship it on their own, if they want
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# to stick to mixins, or implement the behaviour in another way.
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class Netmtu_db_mixin(object):
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"""Mixin class to add network MTU support to db_base_plugin_v2."""
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def _extend_network_dict_mtu(self, network_res, network_db):
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# don't use network_db argument since MTU is not persisted in database
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network_res[netmtu.MTU] = utils.get_deployment_physnet_mtu()
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return network_res
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db_base_plugin_v2.NeutronDbPluginV2.register_dict_extend_funcs(
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attributes.NETWORKS, ['_extend_network_dict_mtu'])
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