 35ba1d8f13
			
		
	
	35ba1d8f13
	
	
	
		
			
			Black used with the '-l 79 -S' flags. A future change will ignore this commit in git-blame history by adding a 'git-blame-ignore-revs' file. Change-Id: Ic318617c67ab7ce6527f9016b759a1d4b0b80802 Signed-off-by: Stephen Finucane <sfinucan@redhat.com>
		
			
				
	
	
		
			434 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			434 lines
		
	
	
		
			13 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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| 
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| """Volume v1 Snapshot action implementations"""
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| 
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| import copy
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| import functools
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| import logging
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| 
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| from cliff import columns as cliff_columns
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| from osc_lib.cli import format_columns
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| from osc_lib.cli import parseractions
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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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| 
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| from openstackclient.i18n import _
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| 
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| 
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| LOG = logging.getLogger(__name__)
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| 
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| 
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| class VolumeIdColumn(cliff_columns.FormattableColumn):
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|     """Formattable column for volume ID column.
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| 
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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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| 
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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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| 
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|     def human_readable(self):
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|         """Return a volume name if available
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| 
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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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| 
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| 
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| class CreateVolumeSnapshot(command.ShowOne):
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|     _description = _("Create new volume snapshot")
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| 
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|     def get_parser(self, prog_name):
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|         parser = super(CreateVolumeSnapshot, self).get_parser(prog_name)
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|         parser.add_argument(
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|             'snapshot_name',
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|             metavar='<snapshot-name>',
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|             help=_('Name of the new snapshot'),
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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=_(
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|                 'Volume to snapshot (name or ID) '
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|                 '(default is <snapshot-name>)'
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|             ),
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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=_(
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|                 'Create a snapshot attached to an instance. '
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|                 'Default is False'
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|             ),
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|         )
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|         return parser
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| 
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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 = parsed_args.volume
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|         if not parsed_args.volume:
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|             volume = parsed_args.snapshot_name
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|         volume_id = utils.find_resource(volume_client.volumes, volume).id
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|         snapshot = volume_client.volume_snapshots.create(
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|             volume_id,
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|             parsed_args.force,
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|             parsed_args.snapshot_name,
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|             parsed_args.description,
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|         )
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| 
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|         snapshot._info.update(
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|             {
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|                 'properties': format_columns.DictColumn(
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|                     snapshot._info.pop('metadata')
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|                 )
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|             }
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|         )
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| 
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|         return zip(*sorted(snapshot._info.items()))
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| 
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| 
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| class DeleteVolumeSnapshot(command.Command):
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|     _description = _("Delete volume snapshot(s)")
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| 
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|     def get_parser(self, prog_name):
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|         parser = super(DeleteVolumeSnapshot, 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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| 
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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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| 
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|         for i in parsed_args.snapshots:
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|             try:
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|                 snapshot_id = utils.find_resource(
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|                     volume_client.volume_snapshots, i
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|                 ).id
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|                 volume_client.volume_snapshots.delete(snapshot_id)
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|             except Exception as e:
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|                 result += 1
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|                 LOG.error(
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|                     _(
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|                         "Failed to delete snapshot with "
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|                         "name or ID '%(snapshot)s': %(e)s"
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|                     ),
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|                     {'snapshot': i, 'e': e},
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|                 )
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| 
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|         if result > 0:
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|             total = len(parsed_args.snapshots)
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|             msg = _(
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|                 "%(result)s of %(total)s snapshots failed " "to delete."
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|             ) % {'result': result, 'total': total}
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|             raise exceptions.CommandError(msg)
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| 
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| 
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| class ListVolumeSnapshot(command.Lister):
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|     _description = _("List volume snapshots")
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| 
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|     def get_parser(self, prog_name):
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|         parser = super(ListVolumeSnapshot, self).get_parser(prog_name)
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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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|         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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|             default=None,
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|             help=_('Filters results by a 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=[
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|                 'available',
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|                 'error',
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|                 'creating',
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|                 'deleting',
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|                 'error_deleting',
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|             ],
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|             help=_(
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|                 "Filters results by a status. "
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|                 "('available', 'error', 'creating', 'deleting'"
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|                 " or 'error_deleting')"
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|             ),
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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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|             default=None,
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|             help=_('Filters results by a volume (name or ID).'),
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|         )
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|         return parser
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| 
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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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| 
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|         if parsed_args.long:
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|             columns = [
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|                 'ID',
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|                 'Display Name',
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|                 'Display Description',
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|                 'Status',
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|                 'Size',
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|                 'Created At',
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|                 'Volume ID',
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|                 'Metadata',
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|             ]
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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 = [
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|                 'ID',
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|                 'Display Name',
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|                 'Display Description',
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|                 'Status',
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|                 'Size',
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|             ]
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|             column_headers = copy.deepcopy(columns)
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| 
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|         # Always update Name and Description
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|         column_headers[1] = 'Name'
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|         column_headers[2] = 'Description'
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| 
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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(
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|             VolumeIdColumn, volume_cache=volume_cache
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|         )
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| 
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|         volume_id = None
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|         if parsed_args.volume:
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|             volume_id = utils.find_resource(
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|                 volume_client.volumes, parsed_args.volume
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|             ).id
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| 
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|         search_opts = {
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|             'all_tenants': parsed_args.all_projects,
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|             'display_name': parsed_args.name,
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|             'status': parsed_args.status,
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|             'volume_id': volume_id,
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|         }
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| 
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|         data = volume_client.volume_snapshots.list(search_opts=search_opts)
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|         return (
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|             column_headers,
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|             (
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|                 utils.get_item_properties(
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|                     s,
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|                     columns,
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|                     formatters={
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|                         'Metadata': format_columns.DictColumn,
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|                         'Volume ID': VolumeIdColumnWithCache,
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|                     },
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|                 )
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|                 for s in data
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|             ),
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|         )
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| 
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| 
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| class SetVolumeSnapshot(command.Command):
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|     _description = _("Set volume snapshot properties")
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| 
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|     def get_parser(self, prog_name):
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|         parser = super(SetVolumeSnapshot, 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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|             '--name', metavar='<name>', help=_('New snapshot name')
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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=_('New snapshot description'),
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|         )
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|         parser.add_argument(
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|             "--no-property",
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|             dest="no_property",
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|             action="store_true",
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|             help=_(
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|                 "Remove all properties from <snapshot> "
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|                 "(specify both --no-property and --property to "
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|                 "remove the current properties before setting "
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|                 "new properties.)"
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|             ),
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|         )
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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=_(
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|                 '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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|         )
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|         return parser
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| 
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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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|         )
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| 
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|         result = 0
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|         if parsed_args.no_property:
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|             try:
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|                 key_list = snapshot.metadata.keys()
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|                 volume_client.volume_snapshots.delete_metadata(
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|                     snapshot.id,
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|                     list(key_list),
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|                 )
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|             except Exception as e:
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|                 LOG.error(_("Failed to clean snapshot properties: %s"), e)
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|                 result += 1
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| 
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|         if parsed_args.property:
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|             try:
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|                 volume_client.volume_snapshots.set_metadata(
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|                     snapshot.id, parsed_args.property
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|                 )
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|             except Exception as e:
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|                 LOG.error(_("Failed to set snapshot property: %s"), e)
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|                 result += 1
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| 
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|         kwargs = {}
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|         if parsed_args.name:
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|             kwargs['display_name'] = parsed_args.name
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|         if parsed_args.description:
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|             kwargs['display_description'] = parsed_args.description
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|         if kwargs:
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|             try:
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|                 snapshot.update(**kwargs)
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|             except Exception as e:
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|                 LOG.error(
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|                     _(
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|                         "Failed to update snapshot display name "
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|                         "or display description: %s"
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|                     ),
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|                     e,
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|                 )
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|                 result += 1
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| 
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|         if result > 0:
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|             raise exceptions.CommandError(
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|                 _("One or more of the " "set operations failed")
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|             )
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| 
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| 
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| class ShowVolumeSnapshot(command.ShowOne):
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|     _description = _("Display volume snapshot details")
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| 
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|     def get_parser(self, prog_name):
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|         parser = super(ShowVolumeSnapshot, 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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| 
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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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|         )
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| 
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|         snapshot._info.update(
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|             {
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|                 'properties': format_columns.DictColumn(
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|                     snapshot._info.pop('metadata')
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|                 )
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|             }
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|         )
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| 
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|         return zip(*sorted(snapshot._info.items()))
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| 
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| 
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| class UnsetVolumeSnapshot(command.Command):
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|     _description = _("Unset volume snapshot properties")
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| 
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|     def get_parser(self, prog_name):
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|         parser = super(UnsetVolumeSnapshot, 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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|             help=_(
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|                 'Property to remove from snapshot '
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|                 '(repeat option to remove multiple properties)'
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|             ),
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|         )
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|         return parser
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| 
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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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|         )
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| 
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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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