¡@
OpenStack Study: multiprovidernet.py**** CubicPower OpenStack Study ****
# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright (c) 2013 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. import webob.exc from neutron.api import extensions from neutron.api.v2 import attributes as attr from neutron.common import exceptions as qexception from neutron.extensions import providernet as pnet SEGMENTS = 'segments'
**** CubicPower OpenStack Study **** class SegmentsSetInConjunctionWithProviders(qexception.InvalidInput): message = _("Segments and provider values cannot both be set.")
**** CubicPower OpenStack Study **** class SegmentsContainDuplicateEntry(qexception.InvalidInput): message = _("Duplicate segment entry in request.")
**** CubicPower OpenStack Study **** def _convert_and_validate_segments(segments, valid_values=None): unique = set() for segment in segments: unique.add(tuple(segment.iteritems())) network_type = segment.get(pnet.NETWORK_TYPE, attr.ATTR_NOT_SPECIFIED) segment[pnet.NETWORK_TYPE] = network_type physical_network = segment.get(pnet.PHYSICAL_NETWORK, attr.ATTR_NOT_SPECIFIED) segment[pnet.PHYSICAL_NETWORK] = physical_network segmentation_id = segment.get(pnet.SEGMENTATION_ID) if segmentation_id: segment[pnet.SEGMENTATION_ID] = attr.convert_to_int( segmentation_id) else: segment[pnet.SEGMENTATION_ID] = attr.ATTR_NOT_SPECIFIED if len(segment.keys()) != 3: msg = (_("Unrecognized attribute(s) '%s'") % ', '.join(set(segment.keys()) - set([pnet.NETWORK_TYPE, pnet.PHYSICAL_NETWORK, pnet.SEGMENTATION_ID]))) raise webob.exc.HTTPBadRequest(msg) if len(unique) != len(segments): raise SegmentsContainDuplicateEntry() attr.validators['type:convert_segments'] = ( _convert_and_validate_segments) EXTENDED_ATTRIBUTES_2_0 = { 'networks': { SEGMENTS: {'allow_post': True, 'allow_put': True, 'validate': {'type:convert_segments': None}, 'convert_list_to': attr.convert_kvp_list_to_dict, 'default': attr.ATTR_NOT_SPECIFIED, 'enforce_policy': True, 'is_visible': True}, } }
**** CubicPower OpenStack Study **** class Multiprovidernet(extensions.ExtensionDescriptor): """Extension class supporting multiple provider networks. This class is used by neutron's extension framework to make metadata about the multiple provider network extension available to clients. No new resources are
**** CubicPower OpenStack Study **** def get_name(cls): return "Multi Provider Network" @classmethod
**** CubicPower OpenStack Study **** def get_alias(cls): return "multi-provider" @classmethod
**** CubicPower OpenStack Study **** def get_description(cls): return ("Expose mapping of virtual networks to multiple physical " "networks") @classmethod
**** CubicPower OpenStack Study **** def get_namespace(cls): return "http://docs.openstack.org/ext/multi-provider/api/v1.0" @classmethod
**** CubicPower OpenStack Study **** def get_updated(cls): return "2013-06-27T10:00:00-00:00"
**** CubicPower OpenStack Study **** def get_extended_resources(self, version): if version == "2.0": return EXTENDED_ATTRIBUTES_2_0 else: return {}
|