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OpenStack Study: volume_unmanage.py**** CubicPower OpenStack Study ****
# # 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. import webob from webob import exc from cinder.api import extensions from cinder.api.openstack import wsgi from cinder import exception from cinder.openstack.common import log as logging from cinder import volume LOG = logging.getLogger(__name__) authorize = extensions.extension_authorizer('volume', 'volume_unmanage')
**** CubicPower OpenStack Study **** class VolumeUnmanageController(wsgi.Controller):
**** CubicPower OpenStack Study **** def __init__(self, *args, **kwargs): super(VolumeUnmanageController, self).__init__(*args, **kwargs) self.volume_api = volume.API() @wsgi.response(202) @wsgi.action('os-unmanage')
**** CubicPower OpenStack Study **** def unmanage(self, req, id, body): """Stop managing a volume. This action is very much like a delete, except that a different method (unmanage) is called on the Cinder driver. This has the effect of removing the volume from Cinder management without actually removing the backend storage object associated with it. There are no required parameters. A Not Found error is returned if the specified volume does not exist. A Bad Request error is returned if the specified volume is still attached to an instance. """ context = req.environ['cinder.context'] authorize(context) LOG.audit(_("Unmanage volume with id: %s"), id, context=context) try: vol = self.volume_api.get(context, id) self.volume_api.delete(context, vol, unmanage_only=True) except exception.NotFound: msg = _("Volume could not be found") raise exc.HTTPNotFound(explanation=msg) except exception.VolumeAttached: msg = _("Volume cannot be deleted while in attached state") raise exc.HTTPBadRequest(explanation=msg) return webob.Response(status_int=202)
**** CubicPower OpenStack Study **** class Volume_unmanage(extensions.ExtensionDescriptor): """Enable volume unmanage operation.""" name = "VolumeUnmanage" alias = "os-volume-unmanage" namespace = "http://docs.openstack.org/volume/ext/volume-unmanage/api/v1.1" updated = "2012-05-31T00:00:00+00:00"
**** CubicPower OpenStack Study **** def get_controller_extensions(self): controller = VolumeUnmanageController() extension = extensions.ControllerExtension(self, 'volumes', controller) return [extension]
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