Make the positional argument "volume" optional and add a "--force" option (volume v2 only) to the "volume backup restore" command. Closes-Bug: #1597189 Change-Id: If944e10158bd18e8331be63e96187a23e23095d7
		
			
				
	
	
		
			271 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			271 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
#   Copyright 2012-2013 OpenStack Foundation
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#
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#   Licensed under the Apache License, Version 2.0 (the "License"); you may
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#   not use this file except in compliance with the License. You may obtain
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#   a copy of the License at
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#
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#        http://www.apache.org/licenses/LICENSE-2.0
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#
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#   Unless required by applicable law or agreed to in writing, software
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#   distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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#   WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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#   License for the specific language governing permissions and limitations
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#   under the License.
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#
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"""Volume v1 Backup action implementations"""
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import copy
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import functools
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import logging
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from cliff import columns as cliff_columns
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from osc_lib.command import command
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from osc_lib import exceptions
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from osc_lib import utils
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from openstackclient.i18n import _
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LOG = logging.getLogger(__name__)
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class VolumeIdColumn(cliff_columns.FormattableColumn):
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    """Formattable column for volume ID column.
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    Unlike the parent FormattableColumn class, the initializer of the
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    class takes volume_cache as the second argument.
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    osc_lib.utils.get_item_properties instantiate cliff FormattableColumn
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    object with a single parameter "column value", so you need to pass
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    a partially initialized class like
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    ``functools.partial(VolumeIdColumn, volume_cache)``.
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    """
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    def __init__(self, value, volume_cache=None):
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        super(VolumeIdColumn, self).__init__(value)
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        self._volume_cache = volume_cache or {}
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    def human_readable(self):
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        """Return a volume name if available
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        :rtype: either the volume ID or name
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        """
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        volume_id = self._value
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        volume = volume_id
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        if volume_id in self._volume_cache.keys():
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            volume = self._volume_cache[volume_id].display_name
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        return volume
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class CreateVolumeBackup(command.ShowOne):
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    _description = _("Create new volume backup")
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    def get_parser(self, prog_name):
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        parser = super(CreateVolumeBackup, self).get_parser(prog_name)
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        parser.add_argument(
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            'volume',
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            metavar='<volume>',
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            help=_('Volume to backup (name or ID)'),
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        )
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        parser.add_argument(
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            '--container',
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            metavar='<container>',
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            required=False,
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            help=_('Optional backup container name'),
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        )
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        parser.add_argument(
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            '--name',
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            metavar='<name>',
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            help=_('Name of the backup'),
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        )
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        parser.add_argument(
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            '--description',
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            metavar='<description>',
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            help=_('Description of the backup'),
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        )
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        return parser
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    def take_action(self, parsed_args):
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        volume_client = self.app.client_manager.volume
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        volume_id = utils.find_resource(volume_client.volumes,
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                                        parsed_args.volume).id
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        backup = volume_client.backups.create(
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            volume_id,
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            parsed_args.container,
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            parsed_args.name,
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            parsed_args.description
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        )
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        backup._info.pop('links')
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        return zip(*sorted(backup._info.items()))
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class DeleteVolumeBackup(command.Command):
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    _description = _("Delete volume backup(s)")
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    def get_parser(self, prog_name):
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        parser = super(DeleteVolumeBackup, self).get_parser(prog_name)
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        parser.add_argument(
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            'backups',
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            metavar='<backup>',
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            nargs="+",
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            help=_('Backup(s) to delete (name or ID)'),
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        )
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        return parser
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    def take_action(self, parsed_args):
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        volume_client = self.app.client_manager.volume
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        result = 0
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        for i in parsed_args.backups:
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            try:
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                backup_id = utils.find_resource(
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                    volume_client.backups, i).id
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                volume_client.backups.delete(backup_id)
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            except Exception as e:
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                result += 1
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                LOG.error(_("Failed to delete backup with "
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                            "name or ID '%(backup)s': %(e)s"),
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                          {'backup': i, 'e': e})
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        if result > 0:
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            total = len(parsed_args.backups)
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            msg = (_("%(result)s of %(total)s backups failed "
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                   "to delete.") % {'result': result, 'total': total})
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            raise exceptions.CommandError(msg)
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class ListVolumeBackup(command.Lister):
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    _description = _("List volume backups")
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    def get_parser(self, prog_name):
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        parser = super(ListVolumeBackup, self).get_parser(prog_name)
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        parser.add_argument(
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            '--long',
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            action='store_true',
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            default=False,
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            help=_('List additional fields in output'),
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        )
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        parser.add_argument(
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            "--name",
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            metavar="<name>",
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            help=_("Filters results by the backup name")
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        )
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        parser.add_argument(
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            "--status",
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            metavar="<status>",
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            choices=['creating', 'available', 'deleting',
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                     'error', 'restoring', 'error_restoring'],
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            help=_("Filters results by the backup status "
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                   "('creating', 'available', 'deleting', "
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                   "'error', 'restoring' or 'error_restoring')")
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        )
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        parser.add_argument(
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            "--volume",
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            metavar="<volume>",
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            help=_("Filters results by the volume which they "
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                   "backup (name or ID)")
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        )
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        parser.add_argument(
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            '--all-projects',
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            action='store_true',
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            default=False,
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            help=_('Include all projects (admin only)'),
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        )
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        return parser
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    def take_action(self, parsed_args):
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        volume_client = self.app.client_manager.volume
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        if parsed_args.long:
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            columns = ['ID', 'Name', 'Description', 'Status', 'Size',
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                       'Availability Zone', 'Volume ID', 'Container']
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            column_headers = copy.deepcopy(columns)
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            column_headers[6] = 'Volume'
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        else:
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            columns = ['ID', 'Name', 'Description', 'Status', 'Size']
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            column_headers = columns
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        # Cache the volume list
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        volume_cache = {}
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        try:
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            for s in volume_client.volumes.list():
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                volume_cache[s.id] = s
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        except Exception:
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            # Just forget it if there's any trouble
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            pass
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        VolumeIdColumnWithCache = functools.partial(VolumeIdColumn,
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                                                    volume_cache=volume_cache)
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        filter_volume_id = None
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        if parsed_args.volume:
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            filter_volume_id = utils.find_resource(volume_client.volumes,
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                                                   parsed_args.volume).id
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        search_opts = {
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            'name': parsed_args.name,
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            'status': parsed_args.status,
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            'volume_id': filter_volume_id,
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            'all_tenants': parsed_args.all_projects,
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        }
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        data = volume_client.backups.list(
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            search_opts=search_opts,
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        )
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        return (column_headers,
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                (utils.get_item_properties(
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                    s, columns,
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                    formatters={'Volume ID': VolumeIdColumnWithCache},
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                ) for s in data))
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class RestoreVolumeBackup(command.Command):
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    _description = _("Restore volume backup")
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    def get_parser(self, prog_name):
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        parser = super(RestoreVolumeBackup, self).get_parser(prog_name)
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        parser.add_argument(
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            'backup',
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            metavar='<backup>',
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            help=_('Backup to restore (name or ID)')
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        )
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        parser.add_argument(
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            'volume',
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            metavar='<volume>',
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            nargs='?',
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            help=_('Volume to restore to (name or ID) (default to None)')
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        )
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        return parser
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    def take_action(self, parsed_args):
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        volume_client = self.app.client_manager.volume
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        backup = utils.find_resource(
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            volume_client.backups, parsed_args.backup,
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        )
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        volume_id = None
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        if parsed_args.volume is not None:
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            volume_id = utils.find_resource(
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                volume_client.volumes,
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                parsed_args.volume,
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            ).id
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        return volume_client.restores.restore(backup.id, volume_id)
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class ShowVolumeBackup(command.ShowOne):
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    _description = _("Display volume backup details")
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    def get_parser(self, prog_name):
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        parser = super(ShowVolumeBackup, self).get_parser(prog_name)
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        parser.add_argument(
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            'backup',
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            metavar='<backup>',
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            help=_('Backup to display (name or ID)')
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        )
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        return parser
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    def take_action(self, parsed_args):
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        volume_client = self.app.client_manager.volume
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        backup = utils.find_resource(volume_client.backups,
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                                     parsed_args.backup)
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        backup._info.pop('links')
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        return zip(*sorted(backup._info.items()))
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