58 lines
2.2 KiB
Python
58 lines
2.2 KiB
Python
# Copyright 2012 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""The Extended Snapshot Attributes API extension."""
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from cinder.api import extensions
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from cinder.api.openstack import wsgi
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from cinder.policies import snapshots as policy
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class ExtendedSnapshotAttributesController(wsgi.Controller):
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def _extend_snapshot(self, req, resp_snap):
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db_snap = req.get_db_snapshot(resp_snap['id'])
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for attr in ['project_id', 'progress']:
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key = "%s:%s" % (Extended_snapshot_attributes.alias, attr)
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resp_snap[key] = db_snap[attr]
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@wsgi.extends
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def show(self, req, resp_obj, id):
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context = req.environ['cinder.context']
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if context.authorize(policy.EXTEND_ATTRIBUTE, fatal=False):
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# Attach our slave template to the response object
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snapshot = resp_obj.obj['snapshot']
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self._extend_snapshot(req, snapshot)
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@wsgi.extends
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def detail(self, req, resp_obj):
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context = req.environ['cinder.context']
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if context.authorize(policy.EXTEND_ATTRIBUTE, fatal=False):
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# Attach our slave template to the response object
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for snapshot in list(resp_obj.obj['snapshots']):
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self._extend_snapshot(req, snapshot)
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class Extended_snapshot_attributes(extensions.ExtensionDescriptor):
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"""Extended SnapshotAttributes support."""
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name = "ExtendedSnapshotAttributes"
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alias = "os-extended-snapshot-attributes"
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updated = "2012-06-19T00:00:00+00:00"
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def get_controller_extensions(self):
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controller = ExtendedSnapshotAttributesController()
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extension = extensions.ControllerExtension(self, 'snapshots',
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controller)
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return [extension]
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