283 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			283 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| #   Copyright 2012-2013 OpenStack, LLC.
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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 logging
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| import six
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| 
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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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| 
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| from openstackclient.common import parseractions
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| from openstackclient.common import utils
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| 
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| 
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| class CreateSnapshot(show.ShowOne):
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|     """Create new snapshot"""
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| 
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|     log = logging.getLogger(__name__ + '.CreateSnapshot')
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| 
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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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| 
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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(volume_client.volumes,
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|                                         parsed_args.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.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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|             {'properties': utils.format_dict(snapshot._info.pop('metadata'))}
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|         )
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| 
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|         return zip(*sorted(six.iteritems(snapshot._info)))
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| 
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| 
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| class DeleteSnapshot(command.Command):
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|     """Delete snapshot(s)"""
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| 
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|     log = logging.getLogger(__name__ + '.DeleteSnapshot')
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| 
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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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| 
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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(volume_client.volume_snapshots,
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|                                               snapshot).id
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|             volume_client.volume_snapshots.delete(snapshot_id)
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|         return
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| 
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| 
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| class ListSnapshot(lister.Lister):
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|     """List snapshots"""
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| 
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|     log = logging.getLogger(__name__ + '.ListSnapshot')
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| 
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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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| 
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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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| 
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|         def _format_volume_id(volume_id):
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|             """Return a volume name if available
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| 
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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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| 
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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].display_name
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|             return volume
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| 
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|         if parsed_args.long:
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|             columns = ['ID', 'Display Name', 'Display 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', 'Display Name', 'Display Description', 'Status',
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|                        'Size']
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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 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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| 
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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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| 
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| 
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| class SetSnapshot(command.Command):
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|     """Set snapshot properties"""
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| 
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|     log = logging.getLogger(__name__ + '.SetSnapshot')
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| 
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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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| 
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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(volume_client.volume_snapshots,
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|                                        parsed_args.snapshot)
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| 
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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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| 
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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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| 
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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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| 
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|         snapshot.update(**kwargs)
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|         return
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| 
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| 
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| class ShowSnapshot(show.ShowOne):
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|     """Display snapshot details"""
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| 
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|     log = logging.getLogger(__name__ + '.ShowSnapshot')
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| 
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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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|         return parser
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| 
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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(volume_client.volume_snapshots,
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|                                        parsed_args.snapshot)
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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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| 
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|         return zip(*sorted(six.iteritems(snapshot._info)))
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| 
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| 
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| class UnsetSnapshot(command.Command):
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|     """Unset snapshot properties"""
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| 
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|     log = logging.getLogger(__name__ + '.UnsetSnapshot')
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| 
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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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| 
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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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| 
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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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