e3c46ece4a
Instead of duplicating the same log statement throughout the code, the same logic can be provided by a shared decorator that abstracts away the logging capability and unifies it behind a common function instead. Change-Id: Icc63bced7347c8bbf0299a4c5821425a10892a79
273 lines
8.7 KiB
Python
273 lines
8.7 KiB
Python
#
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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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#
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"""Volume v2 snapshot action implementations"""
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import copy
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import logging
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from cliff import command
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from cliff import lister
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from cliff import show
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import six
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from openstackclient.common import parseractions
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from openstackclient.common import utils
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class CreateSnapshot(show.ShowOne):
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"""Create new snapshot"""
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log = logging.getLogger(__name__ + ".CreateSnapshot")
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def get_parser(self, prog_name):
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parser = super(CreateSnapshot, self).get_parser(prog_name)
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parser.add_argument(
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"volume",
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metavar="<volume>",
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help="Volume to snapshot (name or ID)"
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)
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parser.add_argument(
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"--name",
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metavar="<name>",
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required=True,
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help="Name of the snapshot"
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)
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parser.add_argument(
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"--description",
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metavar="<description>",
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help="Description of the snapshot"
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)
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parser.add_argument(
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"--force",
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dest="force",
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action="store_true",
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default=False,
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help="Create a snapshot attached to an instance. Default is False"
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)
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return parser
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def take_action(self, parsed_args):
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self.log.debug("take_action: (%s)", parsed_args)
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volume_client = self.app.client_manager.volume
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volume_id = utils.find_resource(
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volume_client.volumes, parsed_args.volume).id
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snapshot = volume_client.volume_snapshots.create(
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volume_id,
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force=parsed_args.force,
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name=parsed_args.name,
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description=parsed_args.description
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)
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snapshot._info.update(
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{'properties': utils.format_dict(snapshot._info.pop('metadata'))}
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)
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return zip(*sorted(six.iteritems(snapshot._info)))
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class DeleteSnapshot(command.Command):
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"""Delete volume snapshot(s)"""
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log = logging.getLogger(__name__ + ".DeleteSnapshot")
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def get_parser(self, prog_name):
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parser = super(DeleteSnapshot, self).get_parser(prog_name)
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parser.add_argument(
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"snapshots",
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metavar="<snapshot>",
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nargs="+",
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help="Snapshot(s) to delete (name or ID)"
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)
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return parser
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def take_action(self, parsed_args):
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self.log.debug("take_action: (%s)", parsed_args)
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volume_client = self.app.client_manager.volume
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for snapshot in parsed_args.snapshots:
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snapshot_id = utils.find_resource(
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volume_client.volume_snapshots, snapshot).id
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volume_client.volume_snapshots.delete(snapshot_id)
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return
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class ListSnapshot(lister.Lister):
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"""List snapshots"""
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log = logging.getLogger(__name__ + ".ListSnapshot")
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def get_parser(self, prog_name):
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parser = super(ListSnapshot, self).get_parser(prog_name)
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parser.add_argument(
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'--long',
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action='store_true',
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default=False,
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help='List additional fields in output',
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)
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return parser
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def take_action(self, parsed_args):
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self.log.debug("take_action: (%s)", parsed_args)
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def _format_volume_id(volume_id):
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"""Return a volume name if available
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:param volume_id: a volume ID
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:rtype: either the volume ID or name
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"""
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volume = volume_id
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if volume_id in volume_cache.keys():
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volume = volume_cache[volume_id].name
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return volume
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if parsed_args.long:
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columns = ['ID', 'Name', 'Description', 'Status',
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'Size', 'Created At', 'Volume ID', 'Metadata']
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column_headers = copy.deepcopy(columns)
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column_headers[6] = 'Volume'
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column_headers[7] = 'Properties'
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else:
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columns = ['ID', 'Name', 'Description', 'Status', 'Size']
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column_headers = copy.deepcopy(columns)
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# Cache the volume list
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volume_cache = {}
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try:
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for s in self.app.client_manager.volume.volumes.list():
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volume_cache[s.id] = s
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except Exception:
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# Just forget it if there's any trouble
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pass
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data = self.app.client_manager.volume.volume_snapshots.list()
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return (column_headers,
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(utils.get_item_properties(
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s, columns,
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formatters={'Metadata': utils.format_dict,
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'Volume ID': _format_volume_id},
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) for s in data))
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class SetSnapshot(command.Command):
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"""Set snapshot properties"""
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log = logging.getLogger(__name__ + '.SetSnapshot')
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def get_parser(self, prog_name):
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parser = super(SetSnapshot, self).get_parser(prog_name)
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parser.add_argument(
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'snapshot',
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metavar='<snapshot>',
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help='Snapshot to modify (name or ID)')
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parser.add_argument(
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'--name',
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metavar='<name>',
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help='New snapshot name')
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parser.add_argument(
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'--description',
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metavar='<description>',
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help='New snapshot description')
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parser.add_argument(
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'--property',
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metavar='<key=value>',
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action=parseractions.KeyValueAction,
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help='Property to add/change for this snapshot '
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'(repeat option to set multiple properties)',
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)
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return parser
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@utils.log_method(log)
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def take_action(self, parsed_args):
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volume_client = self.app.client_manager.volume
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snapshot = utils.find_resource(volume_client.volume_snapshots,
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parsed_args.snapshot)
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kwargs = {}
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if parsed_args.name:
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kwargs['name'] = parsed_args.name
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if parsed_args.description:
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kwargs['description'] = parsed_args.description
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if not kwargs and not parsed_args.property:
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self.app.log.error("No changes requested\n")
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return
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if parsed_args.property:
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volume_client.volume_snapshots.set_metadata(snapshot.id,
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parsed_args.property)
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volume_client.volume_snapshots.update(snapshot.id, **kwargs)
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return
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class ShowSnapshot(show.ShowOne):
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"""Display snapshot details"""
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log = logging.getLogger(__name__ + ".ShowSnapshot")
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def get_parser(self, prog_name):
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parser = super(ShowSnapshot, self).get_parser(prog_name)
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parser.add_argument(
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"snapshot",
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metavar="<snapshot>",
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help="Snapshot to display (name or ID)"
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)
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return parser
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def take_action(self, parsed_args):
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self.log.debug("take_action: (%s)", parsed_args)
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volume_client = self.app.client_manager.volume
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snapshot = utils.find_resource(
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volume_client.volume_snapshots, parsed_args.snapshot)
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snapshot._info.update(
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{'properties': utils.format_dict(snapshot._info.pop('metadata'))}
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)
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return zip(*sorted(six.iteritems(snapshot._info)))
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class UnsetSnapshot(command.Command):
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"""Unset snapshot properties"""
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log = logging.getLogger(__name__ + '.UnsetSnapshot')
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def get_parser(self, prog_name):
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parser = super(UnsetSnapshot, self).get_parser(prog_name)
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parser.add_argument(
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'snapshot',
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metavar='<snapshot>',
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help='Snapshot to modify (name or ID)',
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)
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parser.add_argument(
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'--property',
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metavar='<key>',
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action='append',
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default=[],
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help='Property to remove from snapshot '
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'(repeat to remove multiple values)',
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)
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return parser
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@utils.log_method(log)
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def take_action(self, parsed_args):
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volume_client = self.app.client_manager.volume
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snapshot = utils.find_resource(
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volume_client.volume_snapshots, parsed_args.snapshot)
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if parsed_args.property:
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volume_client.volume_snapshots.delete_metadata(
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snapshot.id,
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parsed_args.property,
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)
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else:
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self.app.log.error("No changes requested\n")
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return
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