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OpenStack Study: providernet.py**** CubicPower OpenStack Study ****
# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright (c) 2012 OpenStack Foundation. # 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. from neutron.api import extensions from neutron.api.v2 import attributes from neutron.common import exceptions as n_exc NETWORK_TYPE = 'provider:network_type' PHYSICAL_NETWORK = 'provider:physical_network' SEGMENTATION_ID = 'provider:segmentation_id' EXTENDED_ATTRIBUTES_2_0 = { 'networks': { NETWORK_TYPE: {'allow_post': True, 'allow_put': True, 'validate': {'type:string': None}, 'default': attributes.ATTR_NOT_SPECIFIED, 'enforce_policy': True, 'is_visible': True}, PHYSICAL_NETWORK: {'allow_post': True, 'allow_put': True, 'validate': {'type:string': None}, 'default': attributes.ATTR_NOT_SPECIFIED, 'enforce_policy': True, 'is_visible': True}, SEGMENTATION_ID: {'allow_post': True, 'allow_put': True, 'convert_to': int, 'enforce_policy': True, 'default': attributes.ATTR_NOT_SPECIFIED, 'is_visible': True}, } }
**** CubicPower OpenStack Study **** def _raise_if_updates_provider_attributes(attrs): """Raise exception if provider attributes are present. This method is used for plugins that do not support updating provider networks. """ immutable = (NETWORK_TYPE, PHYSICAL_NETWORK, SEGMENTATION_ID) if any(attributes.is_attr_set(attrs.get(a)) for a in immutable): msg = _("Plugin does not support updating provider attributes") raise n_exc.InvalidInput(error_message=msg)
**** CubicPower OpenStack Study **** class Providernet(extensions.ExtensionDescriptor): """Extension class supporting provider networks. This class is used by neutron's extension framework to make metadata about the provider network extension available to clients. No new resources are
**** CubicPower OpenStack Study **** def get_name(cls): return "Provider Network" @classmethod
**** CubicPower OpenStack Study **** def get_alias(cls): return "provider" @classmethod
**** CubicPower OpenStack Study **** def get_description(cls): return "Expose mapping of virtual networks to physical networks" @classmethod
**** CubicPower OpenStack Study **** def get_namespace(cls): return "http://docs.openstack.org/ext/provider/api/v1.0" @classmethod
**** CubicPower OpenStack Study **** def get_updated(cls): return "2012-09-07T10:00:00-00:00"
**** CubicPower OpenStack Study **** def get_extended_resources(self, version): if version == "2.0": return EXTENDED_ATTRIBUTES_2_0 else: return {}
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