114 lines
4.3 KiB
Python
114 lines
4.3 KiB
Python
# Copyright (c) 2012 OpenStack Foundation.
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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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from oslo.config import cfg
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import routes as routes_mapper
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import six.moves.urllib.parse as urlparse
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import webob
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import webob.dec
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import webob.exc
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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.api.v2 import base
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from neutron import manager
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from neutron.openstack.common import log as logging
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from neutron import wsgi
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LOG = logging.getLogger(__name__)
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RESOURCES = {'network': 'networks',
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'subnet': 'subnets',
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'port': 'ports'}
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SUB_RESOURCES = {}
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COLLECTION_ACTIONS = ['index', 'create']
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MEMBER_ACTIONS = ['show', 'update', 'delete']
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REQUIREMENTS = {'id': attributes.UUID_PATTERN, 'format': 'json'}
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class Index(wsgi.Application):
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def __init__(self, resources):
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self.resources = resources
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@webob.dec.wsgify(RequestClass=wsgi.Request)
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def __call__(self, req):
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metadata = {}
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layout = []
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for name, collection in self.resources.iteritems():
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href = urlparse.urljoin(req.path_url, collection)
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resource = {'name': name,
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'collection': collection,
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'links': [{'rel': 'self',
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'href': href}]}
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layout.append(resource)
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response = dict(resources=layout)
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content_type = req.best_match_content_type()
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body = wsgi.Serializer(metadata=metadata).serialize(response,
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content_type)
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return webob.Response(body=body, content_type=content_type)
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class APIRouter(wsgi.Router):
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@classmethod
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def factory(cls, global_config, **local_config):
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return cls(**local_config)
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def __init__(self, **local_config):
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mapper = routes_mapper.Mapper()
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plugin = manager.NeutronManager.get_plugin()
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ext_mgr = extensions.PluginAwareExtensionManager.get_instance()
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ext_mgr.extend_resources("2.0", attributes.RESOURCE_ATTRIBUTE_MAP)
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col_kwargs = dict(collection_actions=COLLECTION_ACTIONS,
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member_actions=MEMBER_ACTIONS)
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def _map_resource(collection, resource, params, parent=None):
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allow_bulk = cfg.CONF.allow_bulk
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allow_pagination = cfg.CONF.allow_pagination
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allow_sorting = cfg.CONF.allow_sorting
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controller = base.create_resource(
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collection, resource, plugin, params, allow_bulk=allow_bulk,
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parent=parent, allow_pagination=allow_pagination,
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allow_sorting=allow_sorting)
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path_prefix = None
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if parent:
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path_prefix = "/%s/{%s_id}/%s" % (parent['collection_name'],
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parent['member_name'],
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collection)
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mapper_kwargs = dict(controller=controller,
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requirements=REQUIREMENTS,
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path_prefix=path_prefix,
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**col_kwargs)
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return mapper.collection(collection, resource,
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**mapper_kwargs)
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mapper.connect('index', '/', controller=Index(RESOURCES))
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for resource in RESOURCES:
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_map_resource(RESOURCES[resource], resource,
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attributes.RESOURCE_ATTRIBUTE_MAP.get(
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RESOURCES[resource], dict()))
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for resource in SUB_RESOURCES:
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_map_resource(SUB_RESOURCES[resource]['collection_name'], resource,
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attributes.RESOURCE_ATTRIBUTE_MAP.get(
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SUB_RESOURCES[resource]['collection_name'],
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dict()),
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SUB_RESOURCES[resource]['parent'])
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super(APIRouter, self).__init__(mapper)
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