97 lines
3.7 KiB
Python
97 lines
3.7 KiB
Python
# Copyright 2012 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 Extended Snapshot Attributes API extension."""
|
|
|
|
from oslo_log import log as logging
|
|
|
|
from cinder.api import extensions
|
|
from cinder.api.openstack import wsgi
|
|
from cinder.api import xmlutil
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
authorize = extensions.soft_extension_authorizer(
|
|
'volume',
|
|
'extended_snapshot_attributes')
|
|
|
|
|
|
class ExtendedSnapshotAttributesController(wsgi.Controller):
|
|
def _extend_snapshot(self, req, resp_snap):
|
|
db_snap = req.get_db_snapshot(resp_snap['id'])
|
|
for attr in ['project_id', 'progress']:
|
|
key = "%s:%s" % (Extended_snapshot_attributes.alias, attr)
|
|
resp_snap[key] = db_snap[attr]
|
|
|
|
@wsgi.extends
|
|
def show(self, req, resp_obj, id):
|
|
context = req.environ['cinder.context']
|
|
if authorize(context):
|
|
# Attach our slave template to the response object
|
|
resp_obj.attach(xml=ExtendedSnapshotAttributeTemplate())
|
|
snapshot = resp_obj.obj['snapshot']
|
|
self._extend_snapshot(req, snapshot)
|
|
|
|
@wsgi.extends
|
|
def detail(self, req, resp_obj):
|
|
context = req.environ['cinder.context']
|
|
if authorize(context):
|
|
# Attach our slave template to the response object
|
|
resp_obj.attach(xml=ExtendedSnapshotAttributesTemplate())
|
|
for snapshot in list(resp_obj.obj['snapshots']):
|
|
self._extend_snapshot(req, snapshot)
|
|
|
|
|
|
class Extended_snapshot_attributes(extensions.ExtensionDescriptor):
|
|
"""Extended SnapshotAttributes support."""
|
|
|
|
name = "ExtendedSnapshotAttributes"
|
|
alias = "os-extended-snapshot-attributes"
|
|
namespace = ("http://docs.openstack.org/volume/ext/"
|
|
"extended_snapshot_attributes/api/v1")
|
|
updated = "2012-06-19T00:00:00+00:00"
|
|
|
|
def get_controller_extensions(self):
|
|
controller = ExtendedSnapshotAttributesController()
|
|
extension = extensions.ControllerExtension(self, 'snapshots',
|
|
controller)
|
|
return [extension]
|
|
|
|
|
|
def make_snapshot(elem):
|
|
elem.set('{%s}project_id' % Extended_snapshot_attributes.namespace,
|
|
'%s:project_id' % Extended_snapshot_attributes.alias)
|
|
elem.set('{%s}progress' % Extended_snapshot_attributes.namespace,
|
|
'%s:progress' % Extended_snapshot_attributes.alias)
|
|
|
|
|
|
class ExtendedSnapshotAttributeTemplate(xmlutil.TemplateBuilder):
|
|
def construct(self):
|
|
root = xmlutil.TemplateElement('snapshot', selector='snapshot')
|
|
make_snapshot(root)
|
|
alias = Extended_snapshot_attributes.alias
|
|
namespace = Extended_snapshot_attributes.namespace
|
|
return xmlutil.SlaveTemplate(root, 1, nsmap={alias: namespace})
|
|
|
|
|
|
class ExtendedSnapshotAttributesTemplate(xmlutil.TemplateBuilder):
|
|
def construct(self):
|
|
root = xmlutil.TemplateElement('snapshots')
|
|
elem = xmlutil.SubTemplateElement(root, 'snapshot',
|
|
selector='snapshots')
|
|
make_snapshot(elem)
|
|
alias = Extended_snapshot_attributes.alias
|
|
namespace = Extended_snapshot_attributes.namespace
|
|
return xmlutil.SlaveTemplate(root, 1, nsmap={alias: namespace})
|