266 lines
8.8 KiB
Python
266 lines
8.8 KiB
Python
# Copyright 2012-2013 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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#
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"""Volume v1 Backup action implementations"""
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import copy
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import functools
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import logging
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from cliff import columns as cliff_columns
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from osc_lib.command import command
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from osc_lib import exceptions
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from osc_lib import utils
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from openstackclient.i18n import _
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LOG = logging.getLogger(__name__)
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class VolumeIdColumn(cliff_columns.FormattableColumn):
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"""Formattable column for volume ID column.
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Unlike the parent FormattableColumn class, the initializer of the
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class takes volume_cache as the second argument.
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osc_lib.utils.get_item_properties instantiate cliff FormattableColumn
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object with a single parameter "column value", so you need to pass
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a partially initialized class like
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``functools.partial(VolumeIdColumn, volume_cache)``.
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"""
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def __init__(self, value, volume_cache=None):
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super(VolumeIdColumn, self).__init__(value)
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self._volume_cache = volume_cache or {}
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def human_readable(self):
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"""Return a volume name if available
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:rtype: either the volume ID or name
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"""
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volume_id = self._value
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volume = volume_id
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if volume_id in self._volume_cache.keys():
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volume = self._volume_cache[volume_id].display_name
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return volume
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class CreateVolumeBackup(command.ShowOne):
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_description = _("Create new volume backup")
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def get_parser(self, prog_name):
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parser = super(CreateVolumeBackup, 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 backup (name or ID)'),
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)
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parser.add_argument(
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'--container',
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metavar='<container>',
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required=False,
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help=_('Optional backup container name'),
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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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help=_('Name of the backup'),
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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 backup'),
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)
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return parser
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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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volume_id = utils.find_resource(volume_client.volumes,
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parsed_args.volume).id
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backup = volume_client.backups.create(
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volume_id,
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parsed_args.container,
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parsed_args.name,
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parsed_args.description
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)
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backup._info.pop('links')
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return zip(*sorted(backup._info.items()))
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class DeleteVolumeBackup(command.Command):
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_description = _("Delete volume backup(s)")
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def get_parser(self, prog_name):
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parser = super(DeleteVolumeBackup, self).get_parser(prog_name)
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parser.add_argument(
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'backups',
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metavar='<backup>',
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nargs="+",
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help=_('Backup(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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volume_client = self.app.client_manager.volume
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result = 0
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for i in parsed_args.backups:
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try:
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backup_id = utils.find_resource(
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volume_client.backups, i).id
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volume_client.backups.delete(backup_id)
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except Exception as e:
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result += 1
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LOG.error(_("Failed to delete backup with "
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"name or ID '%(backup)s': %(e)s"),
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{'backup': i, 'e': e})
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if result > 0:
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total = len(parsed_args.backups)
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msg = (_("%(result)s of %(total)s backups failed "
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"to delete.") % {'result': result, 'total': total})
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raise exceptions.CommandError(msg)
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class ListVolumeBackup(command.Lister):
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_description = _("List volume backups")
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def get_parser(self, prog_name):
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parser = super(ListVolumeBackup, 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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parser.add_argument(
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"--name",
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metavar="<name>",
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help=_("Filters results by the backup name")
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)
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parser.add_argument(
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"--status",
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metavar="<status>",
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choices=['creating', 'available', 'deleting',
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'error', 'restoring', 'error_restoring'],
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help=_("Filters results by the backup status "
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"('creating', 'available', 'deleting', "
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"'error', 'restoring' or 'error_restoring')")
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)
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parser.add_argument(
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"--volume",
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metavar="<volume>",
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help=_("Filters results by the volume which they "
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"backup (name or ID)")
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)
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parser.add_argument(
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'--all-projects',
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action='store_true',
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default=False,
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help=_('Include all projects (admin only)'),
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)
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return parser
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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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if parsed_args.long:
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columns = ['ID', 'Name', 'Description', 'Status', 'Size',
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'Availability Zone', 'Volume ID', 'Container']
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column_headers = copy.deepcopy(columns)
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column_headers[6] = 'Volume'
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else:
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columns = ['ID', 'Name', 'Description', 'Status', 'Size']
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column_headers = 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 volume_client.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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VolumeIdColumnWithCache = functools.partial(VolumeIdColumn,
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volume_cache=volume_cache)
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filter_volume_id = None
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if parsed_args.volume:
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filter_volume_id = utils.find_resource(volume_client.volumes,
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parsed_args.volume).id
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search_opts = {
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'name': parsed_args.name,
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'status': parsed_args.status,
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'volume_id': filter_volume_id,
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'all_tenants': parsed_args.all_projects,
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}
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data = volume_client.backups.list(
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search_opts=search_opts,
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)
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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={'Volume ID': VolumeIdColumnWithCache},
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) for s in data))
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class RestoreVolumeBackup(command.Command):
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_description = _("Restore volume backup")
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def get_parser(self, prog_name):
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parser = super(RestoreVolumeBackup, self).get_parser(prog_name)
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parser.add_argument(
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'backup',
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metavar='<backup>',
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help=_('Backup to restore (name or ID)')
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)
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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 restore to (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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volume_client = self.app.client_manager.volume
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backup = utils.find_resource(volume_client.backups,
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parsed_args.backup)
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destination_volume = utils.find_resource(volume_client.volumes,
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parsed_args.volume)
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return volume_client.restores.restore(backup.id,
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destination_volume.id)
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class ShowVolumeBackup(command.ShowOne):
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_description = _("Display volume backup details")
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def get_parser(self, prog_name):
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parser = super(ShowVolumeBackup, self).get_parser(prog_name)
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parser.add_argument(
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'backup',
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metavar='<backup>',
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help=_('Backup 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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volume_client = self.app.client_manager.volume
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backup = utils.find_resource(volume_client.backups,
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parsed_args.backup)
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backup._info.pop('links')
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return zip(*sorted(backup._info.items()))
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