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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2011 Zadara Storage Inc.
# Copyright (c) 2011 OpenStack LLC.
#
# 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.
"""The volume type & volume types extra specs extension."""
from webob import exc
from cinder.api.openstack import wsgi
from cinder.api.views import types as views_types
from cinder.api import xmlutil
from cinder import exception
from cinder.volume import volume_types
def make_voltype(elem):
elem.set('id')
elem.set('name')
extra_specs = xmlutil.make_flat_dict('extra_specs', selector='extra_specs')
elem.append(extra_specs)
class VolumeTypeTemplate(xmlutil.TemplateBuilder):
def construct(self):
root = xmlutil.TemplateElement('volume_type', selector='volume_type')
make_voltype(root)
return xmlutil.MasterTemplate(root, 1)
class VolumeTypesTemplate(xmlutil.TemplateBuilder):
def construct(self):
root = xmlutil.TemplateElement('volume_types')
elem = xmlutil.SubTemplateElement(root, 'volume_type',
selector='volume_types')
make_voltype(elem)
return xmlutil.MasterTemplate(root, 1)
class VolumeTypesController(wsgi.Controller):
"""The volume types API controller for the OpenStack API."""
_view_builder_class = views_types.ViewBuilder
@wsgi.serializers(xml=VolumeTypesTemplate)
def index(self, req):
"""Returns the list of volume types."""
context = req.environ['cinder.context']
vol_types = volume_types.get_all_types(context).values()
return self._view_builder.index(req, vol_types)
@wsgi.serializers(xml=VolumeTypeTemplate)
def show(self, req, id):
"""Return a single volume type item."""
context = req.environ['cinder.context']
try:
vol_type = volume_types.get_volume_type(context, id)
except exception.NotFound:
raise exc.HTTPNotFound()
# TODO(bcwaldon): remove str cast once we use uuids
vol_type['id'] = str(vol_type['id'])
return self._view_builder.show(req, vol_type)
def create_resource():
return wsgi.Resource(VolumeTypesController())
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