fc6852cd94
The name of the errors change and we need to move things around a little, but it's otherwise a straight swap. Change-Id: I0a19765ebeaa14c0534faa1542165b76ed2bf4e2 Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
463 lines
14 KiB
Python
463 lines
14 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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"""Volume v2 Backup action implementations"""
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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.common import pagination
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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().__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].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().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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"--name", metavar="<name>", 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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parser.add_argument(
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"--container",
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metavar="<container>",
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help=_("Optional backup container name"),
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)
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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 backup (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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default=False,
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help=_("Allow to back up an in-use volume"),
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)
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parser.add_argument(
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'--incremental',
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action='store_true',
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default=False,
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help=_("Perform an incremental backup"),
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)
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parser.add_argument(
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'--no-incremental',
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action='store_false',
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help=_("Do not perform an incremental 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.sdk_connection.volume
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volume_id = volume_client.find_volume(
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parsed_args.volume,
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ignore_missing=False,
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).id
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kwargs = {}
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if parsed_args.snapshot:
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kwargs['snapshot_id'] = volume_client.find_snapshot(
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parsed_args.snapshot,
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ignore_missing=False,
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).id
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columns = (
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"id",
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"name",
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"volume_id",
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)
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backup = volume_client.create_backup(
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volume_id=volume_id,
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container=parsed_args.container,
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name=parsed_args.name,
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description=parsed_args.description,
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force=parsed_args.force,
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is_incremental=parsed_args.incremental,
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**kwargs,
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)
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data = utils.get_dict_properties(backup, columns)
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return (columns, data)
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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().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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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=_("Allow delete in state other than error or available"),
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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.sdk_connection.volume
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result = 0
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for backup in parsed_args.backups:
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try:
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backup_id = volume_client.find_backup(
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backup, ignore_missing=False
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).id
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volume_client.delete_backup(
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backup_id,
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ignore_missing=False,
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force=parsed_args.force,
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)
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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 backup with "
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"name or ID '%(backup)s': %(e)s"
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)
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% {'backup': backup, 'e': e}
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)
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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 to delete.") % {
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'result': result,
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'total': total,
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}
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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().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=[
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'creating',
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'available',
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'deleting',
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'error',
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'restoring',
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'error_restoring',
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],
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help=_(
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"Filters results by the backup status, one of: "
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"creating, available, deleting, error, restoring or "
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"error_restoring"
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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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help=_(
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"Filters results by the volume which they backup (name or ID)"
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),
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)
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pagination.add_marker_pagination_option_to_parser(parser)
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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.sdk_connection.volume
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columns = (
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'id',
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'name',
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'description',
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'status',
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'size',
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'is_incremental',
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'created_at',
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)
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column_headers = (
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'ID',
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'Name',
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'Description',
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'Status',
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'Size',
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'Incremental',
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'Created At',
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)
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if parsed_args.long:
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columns += ('availability_zone', 'volume_id', 'container')
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column_headers += ('Availability Zone', 'Volume', 'Container')
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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():
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volume_cache[s.id] = s
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except Exception: # noqa: S110
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# Just forget it if there's any trouble
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pass
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_VolumeIdColumn = functools.partial(
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VolumeIdColumn, volume_cache=volume_cache
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)
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filter_volume_id = None
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if parsed_args.volume:
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try:
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filter_volume_id = volume_client.find_volume(
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parsed_args.volume,
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ignore_missing=False,
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).id
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except exceptions.CommandError:
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# Volume with that ID does not exist, but search for backups
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# for that volume nevertheless
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LOG.debug(
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"No volume with ID %s existing, continuing to "
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"search for backups for that volume ID",
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parsed_args.volume,
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)
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filter_volume_id = parsed_args.volume
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marker_backup_id = None
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if parsed_args.marker:
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marker_backup_id = volume_client.find_backup(
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parsed_args.marker,
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ignore_missing=False,
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).id
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data = volume_client.backups(
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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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marker=marker_backup_id,
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limit=parsed_args.limit,
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)
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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={'volume_id': _VolumeIdColumn},
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)
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for s in data
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),
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)
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class RestoreVolumeBackup(command.ShowOne):
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_description = _("Restore volume backup")
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def get_parser(self, prog_name):
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parser = super().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=_(
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"Volume to restore to "
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"(name or ID for existing volume, name only for new volume) "
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"(default to None)"
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),
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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=_(
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"Restore the backup to an existing volume "
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"(default to False)"
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),
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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.sdk_connection.volume
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backup = volume_client.find_backup(
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parsed_args.backup,
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ignore_missing=False,
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)
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volume_name = None
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volume_id = None
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try:
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volume_id = volume_client.find_volume(
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parsed_args.volume,
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ignore_missing=False,
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).id
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except Exception:
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volume_name = parsed_args.volume
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else:
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# If we didn't fail, the volume must already exist. We only allow
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# this to work if the user forced things
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if not parsed_args.force:
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msg = _(
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"Volume '%s' already exists; if you want to restore the "
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"backup to it you need to specify the '--force' option"
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)
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raise exceptions.CommandError(msg % parsed_args.volume)
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return volume_client.restore_backup(
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backup.id,
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volume_id=volume_id,
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name=volume_name,
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)
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class SetVolumeBackup(command.Command):
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_description = _("Set volume backup properties")
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def get_parser(self, prog_name):
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parser = super().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 modify (name or ID)"),
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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'],
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help=_(
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'New backup state ("available" or "error") (admin only) '
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'(This option simply changes the state of the backup '
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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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)
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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, parsed_args.backup)
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result = 0
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if parsed_args.state:
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try:
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volume_client.backups.reset_state(backup.id, parsed_args.state)
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except Exception as e:
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LOG.error(_("Failed to set backup state: %s"), e)
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result += 1
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if result > 0:
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msg = _("One or more of the set operations failed")
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raise exceptions.CommandError(msg)
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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().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.sdk_connection.volume
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backup = volume_client.get_backup(parsed_args.backup)
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columns = (
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"availability_zone",
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"container",
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"created_at",
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"data_timestamp",
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"description",
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"fail_reason",
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"has_dependent_backups",
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"id",
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"is_incremental",
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"name",
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"object_count",
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"size",
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"snapshot_id",
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"status",
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"updated_at",
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"volume_id",
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)
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data = utils.get_dict_properties(backup, columns)
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return (columns, data)
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