82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
# Copyright (c) 2013 OpenStack, LLC.
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#
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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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"""
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WSGI middleware for OpenStack API controllers.
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"""
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from oslo_log import log
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import routes
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from meteos.api.openstack import wsgi
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from meteos.i18n import _, _LW
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from meteos import wsgi as base_wsgi
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LOG = log.getLogger(__name__)
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class APIMapper(routes.Mapper):
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def routematch(self, url=None, environ=None):
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if url is "":
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result = self._match("", environ)
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return result[0], result[1]
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return routes.Mapper.routematch(self, url, environ)
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class ProjectMapper(APIMapper):
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def resource(self, member_name, collection_name, **kwargs):
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if 'parent_resource' not in kwargs:
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kwargs['path_prefix'] = '{project_id}/'
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else:
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parent_resource = kwargs['parent_resource']
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p_collection = parent_resource['collection_name']
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p_member = parent_resource['member_name']
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kwargs['path_prefix'] = '{project_id}/%s/:%s_id' % (p_collection,
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p_member)
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routes.Mapper.resource(self,
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member_name,
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collection_name,
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**kwargs)
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class APIRouter(base_wsgi.Router):
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"""Routes requests on the API to the appropriate controller and method."""
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ExtensionManager = None # override in subclasses
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@classmethod
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def factory(cls, global_config, **local_config):
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"""Simple paste factory, :class:`meteos.wsgi.Router` doesn't have."""
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return cls()
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def __init__(self, ext_mgr=None):
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mapper = ProjectMapper()
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self.resources = {}
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self._setup_routes(mapper, ext_mgr)
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super(APIRouter, self).__init__(mapper)
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def _setup_routes(self, mapper, ext_mgr):
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raise NotImplementedError
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class FaultWrapper(base_wsgi.Middleware):
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def __init__(self, application):
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LOG.warning(_LW('meteos.api.openstack:FaultWrapper is deprecated. '
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'Please use '
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'meteos.api.middleware.fault:FaultWrapper instead.'))
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# Avoid circular imports from here.
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from meteos.api.middleware import fault
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super(FaultWrapper, self).__init__(fault.FaultWrapper(application))
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