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