461 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			461 lines
		
	
	
		
			16 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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| 
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| """Volume v2 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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| from openstackclient.identity import common as identity_common
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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].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=_("Volume to snapshot (name or ID) "
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|                    "(default is <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=_("Description of the snapshot")
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|         )
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|         parser.add_argument(
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|             "--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. "
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|                    "Default is False")
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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=_("Set a property to this snapshot "
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|                    "(repeat option to set multiple properties)"),
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|         )
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|         parser.add_argument(
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|             "--remote-source",
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|             metavar="<key=value>",
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|             action=parseractions.KeyValueAction,
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|             help=_("The attribute(s) of the exsiting remote volume snapshot "
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|                    "(admin required) (repeat option to specify multiple "
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|                    "attributes) e.g.: '--remote-source source-name=test_name "
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|                    "--remote-source source-id=test_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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|         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(
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|             volume_client.volumes, volume).id
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|         if parsed_args.remote_source:
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|             # Create a new snapshot from an existing remote snapshot source
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|             if parsed_args.force:
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|                 msg = (_("'--force' option will not work when you create "
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|                          "new volume snapshot from an existing remote "
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|                          "volume snapshot"))
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|                 LOG.warning(msg)
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|             snapshot = volume_client.volume_snapshots.manage(
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|                 volume_id=volume_id,
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|                 ref=parsed_args.remote_source,
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|                 name=parsed_args.snapshot_name,
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|                 description=parsed_args.description,
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|                 metadata=parsed_args.property,
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|             )
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|         else:
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|             # create a new snapshot from scratch
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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.snapshot_name,
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|                 description=parsed_args.description,
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|                 metadata=parsed_args.property,
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|             )
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|         snapshot._info.update(
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|             {'properties':
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|              format_columns.DictColumn(snapshot._info.pop('metadata'))}
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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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|         parser.add_argument(
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|             '--force',
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|             action='store_true',
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|             help=_("Attempt forced removal of snapshot(s), "
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|                    "regardless of state (defaults to 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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|         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).id
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|                 volume_client.volume_snapshots.delete(
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|                     snapshot_id, parsed_args.force)
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|             except Exception as e:
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|                 result += 1
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|                 LOG.error(_("Failed to delete snapshot with "
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|                             "name or ID '%(snapshot)s': %(e)s")
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|                           % {'snapshot': i, 'e': e})
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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 = (_("%(result)s of %(total)s snapshots failed "
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|                    "to delete.") % {'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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|             '--project',
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|             metavar='<project>',
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|             help=_('Filter results by project (name or ID) (admin only)')
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|         )
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|         identity_common.add_project_domain_option_to_parser(parser)
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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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|             '--marker',
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|             metavar='<volume-snapshot>',
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|             help=_('The last snapshot ID of the previous page'),
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|         )
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|         parser.add_argument(
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|             '--limit',
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|             type=int,
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|             action=parseractions.NonNegativeAction,
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|             metavar='<num-snapshots>',
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|             help=_('Maximum number of snapshots to display'),
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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=['available', 'error', 'creating', 'deleting',
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|                      'error_deleting'],
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|             help=_("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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|         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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|         identity_client = self.app.client_manager.identity
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| 
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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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| 
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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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|         _VolumeIdColumn = functools.partial(VolumeIdColumn,
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|                                             volume_cache=volume_cache)
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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).id
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| 
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|         project_id = None
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|         if parsed_args.project:
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|             project_id = identity_common.find_project(
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|                 identity_client,
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|                 parsed_args.project,
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|                 parsed_args.project_domain).id
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| 
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|         # set value of 'all_tenants' when using project option
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|         all_projects = True if parsed_args.project else \
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|             parsed_args.all_projects
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| 
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|         search_opts = {
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|             'all_tenants': all_projects,
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|             'project_id': project_id,
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|             '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(
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|             search_opts=search_opts,
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|             marker=parsed_args.marker,
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|             limit=parsed_args.limit,
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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={'Metadata': format_columns.DictColumn,
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|                                 'Volume ID': _VolumeIdColumn},
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|                 ) for s in data))
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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',
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|             metavar='<name>',
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|             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=_("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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|         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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|         parser.add_argument(
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|             '--state',
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|             metavar='<state>',
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|             choices=['available', 'error', 'creating', 'deleting',
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|                      'error_deleting'],
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|             help=_('New snapshot state. ("available", "error", "creating", '
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|                    '"deleting", or "error_deleting") (admin only) '
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|                    '(This option simply changes the state of the snapshot '
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|                    'in the database with no regard to actual status, '
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|                    'exercise caution when using)'),
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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(volume_client.volume_snapshots,
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|                                        parsed_args.snapshot)
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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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|             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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|         if parsed_args.state:
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|             try:
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|                 volume_client.volume_snapshots.reset_state(
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|                     snapshot.id, parsed_args.state)
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|             except Exception as e:
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|                 LOG.error(_("Failed to set snapshot state: %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['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 kwargs:
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|             try:
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|                 volume_client.volume_snapshots.update(
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|                     snapshot.id, **kwargs)
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|             except Exception as e:
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|                 LOG.error(_("Failed to update snapshot name "
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|                           "or description: %s"), e)
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|                 result += 1
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| 
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|         if result > 0:
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|             raise exceptions.CommandError(_("One or more of the "
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|                                           "set operations failed"))
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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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|         snapshot._info.update(
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|             {'properties':
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|              format_columns.DictColumn(snapshot._info.pop('metadata'))}
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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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|             default=[],
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|             help=_('Property to remove from snapshot '
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|                    '(repeat option to remove 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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|         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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