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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"""Volume v2 snapshot 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.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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from openstackclient.i18n import _
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from openstackclient.identity import common as identity_common
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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].name
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return volume
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class CreateVolumeSnapshot(command.ShowOne):
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_description = _("Create new volume snapshot")
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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 existing 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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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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class DeleteVolumeSnapshot(command.Command):
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_description = _("Delete volume snapshot(s)")
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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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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.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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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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class ListVolumeSnapshot(command.Lister):
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_description = _("List volume snapshots")
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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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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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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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# 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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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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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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# 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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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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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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class SetVolumeSnapshot(command.Command):
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_description = _("Set volume snapshot properties")
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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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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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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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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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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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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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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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class ShowVolumeSnapshot(command.ShowOne):
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_description = _("Display volume snapshot details")
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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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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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class UnsetVolumeSnapshot(command.Command):
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_description = _("Unset volume snapshot properties")
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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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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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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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