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# Copyright (c) 2011 Zadara Storage Inc.
# Copyright (c) 2011 OpenStack Foundation
#
# 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 types manage extension."""
import six
import webob
from cinder.api import extensions
from cinder.api.openstack import wsgi
from cinder.api.v1 import types
from cinder.api.views import types as views_types
from cinder import exception
from cinder import rpc
from cinder.volume import volume_types
authorize = extensions.extension_authorizer('volume', 'types_manage')
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class VolumeTypesManageController(wsgi.Controller):
"""The volume types API controller for the OpenStack API."""
_view_builder_class = views_types.ViewBuilder
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def _notify_volume_type_error(self, context, method, payload):
rpc.get_notifier('volumeType').error(context, method, payload)
@wsgi.action("create")
@wsgi.serializers(xml=types.VolumeTypeTemplate)
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def _create(self, req, body):
"""Creates a new volume type."""
context = req.environ['cinder.context']
authorize(context)
if not self.is_valid_body(body, 'volume_type'):
raise webob.exc.HTTPBadRequest()
vol_type = body['volume_type']
name = vol_type.get('name', None)
specs = vol_type.get('extra_specs', {})
if name is None or name == "":
raise webob.exc.HTTPBadRequest()
try:
volume_types.create(context, name, specs)
vol_type = volume_types.get_volume_type_by_name(context, name)
notifier_info = dict(volume_types=vol_type)
rpc.get_notifier('volumeType').info(context, 'volume_type.create',
notifier_info)
except exception.VolumeTypeExists as err:
notifier_err = dict(volume_types=vol_type, error_message=err)
self._notify_volume_type_error(context,
'volume_type.create',
notifier_err)
raise webob.exc.HTTPConflict(explanation=six.text_type(err))
except exception.NotFound as err:
notifier_err = dict(volume_types=vol_type, error_message=err)
self._notify_volume_type_error(context,
'volume_type.create',
notifier_err)
raise webob.exc.HTTPNotFound()
return self._view_builder.show(req, vol_type)
@wsgi.action("delete")
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def _delete(self, req, id):
"""Deletes an existing volume type."""
context = req.environ['cinder.context']
authorize(context)
try:
vol_type = volume_types.get_volume_type(context, id)
volume_types.destroy(context, vol_type['id'])
notifier_info = dict(volume_types=vol_type)
rpc.get_notifier('volumeType').info(context,
'volume_type.delete',
notifier_info)
except exception.VolumeTypeInUse as err:
notifier_err = dict(id=id, error_message=err)
self._notify_volume_type_error(context,
'volume_type.delete',
notifier_err)
msg = _('Target volume type is still in use.')
raise webob.exc.HTTPBadRequest(explanation=msg)
except exception.NotFound as err:
notifier_err = dict(id=id, error_message=err)
self._notify_volume_type_error(context,
'volume_type.delete',
notifier_err)
raise webob.exc.HTTPNotFound()
return webob.Response(status_int=202)
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class Types_manage(extensions.ExtensionDescriptor):
"""Types manage support."""
name = "TypesManage"
alias = "os-types-manage"
namespace = "http://docs.openstack.org/volume/ext/types-manage/api/v1"
updated = "2011-08-24T00:00:00+00:00"
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def get_controller_extensions(self):
controller = VolumeTypesManageController()
extension = extensions.ControllerExtension(self, 'types', controller)
return [extension]