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**** CubicPower OpenStack Study ****

# Copyright 2011 OpenStack Foundation

# Copyright 2011 United States Government as represented by the

# Administrator of the National Aeronautics and Space Administration.

# 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.

"""

WSGI middleware for OpenStack Volume API.

"""

from cinder.api import extensions

import cinder.api.openstack

from cinder.api.v1 import limits

from cinder.api.v1 import snapshot_metadata

from cinder.api.v1 import snapshots

from cinder.api.v1 import types

from cinder.api.v1 import volume_metadata

from cinder.api.v1 import volumes

from cinder.api import versions

from cinder.openstack.common import log as logging

LOG = logging.getLogger(__name__)

**** CubicPower OpenStack Study ****

class APIRouter(cinder.api.openstack.APIRouter):

"""Routes requests on the API to the appropriate controller and method."""

ExtensionManager = extensions.ExtensionManager

**** CubicPower OpenStack Study ****

    def _setup_routes(self, mapper, ext_mgr):

        self.resources['versions'] = versions.create_resource()

        mapper.connect("versions", "/",

                       controller=self.resources['versions'],

                       action='show')

        mapper.redirect("", "/")

        self.resources['volumes'] = volumes.create_resource(ext_mgr)

        mapper.resource("volume", "volumes",

                        controller=self.resources['volumes'],

                        collection={'detail': 'GET'},

                        member={'action': 'POST'})

        self.resources['types'] = types.create_resource()

        mapper.resource("type", "types",

                        controller=self.resources['types'])

        self.resources['snapshots'] = snapshots.create_resource(ext_mgr)

        mapper.resource("snapshot", "snapshots",

                        controller=self.resources['snapshots'],

                        collection={'detail': 'GET'},

                        member={'action': 'POST'})

        self.resources['snapshot_metadata'] = \

            snapshot_metadata.create_resource()

        snapshot_metadata_controller = self.resources['snapshot_metadata']

        mapper.resource("snapshot_metadata", "metadata",

                        controller=snapshot_metadata_controller,

                        parent_resource=dict(member_name='snapshot',

                                             collection_name='snapshots'))

        mapper.connect("metadata",

                       "/{project_id}/snapshots/{snapshot_id}/metadata",

                       controller=snapshot_metadata_controller,

                       action='update_all',

                       conditions={"method": ['PUT']})

        self.resources['limits'] = limits.create_resource()

        mapper.resource("limit", "limits",

                        controller=self.resources['limits'])

        self.resources['volume_metadata'] = \

            volume_metadata.create_resource()

        volume_metadata_controller = self.resources['volume_metadata']

        mapper.resource("volume_metadata", "metadata",

                        controller=volume_metadata_controller,

                        parent_resource=dict(member_name='volume',

                                             collection_name='volumes'))

        mapper.connect("metadata",

                       "/{project_id}/volumes/{volume_id}/metadata",

                       controller=volume_metadata_controller,

                       action='update_all',

                       conditions={"method": ['PUT']})