python-openstackclient/openstackclient/volume/v1/backup.py
Huanxuan Ao af81a92c37 Support error handling for delete commands in volume v1
Some delete commands in volume v1 support multi delete
but do not support error handling, this patch fixes them,
and this patch also refactor (or add new) unit tests for
some delete commands in volume v1.

Change-Id: Ia8177698f8733cfe75ea0ff00eee8fdc0820f62e
2016-09-11 11:08:14 +08:00

294 lines
9.4 KiB
Python

# Copyright 2012-2013 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
"""Volume v1 Backup action implementations"""
import copy
import logging
from osc_lib.command import command
from osc_lib import exceptions
from osc_lib import utils
import six
from openstackclient.i18n import _
LOG = logging.getLogger(__name__)
class CreateVolumeBackup(command.ShowOne):
"""Create new volume backup"""
def get_parser(self, prog_name):
parser = super(CreateVolumeBackup, self).get_parser(prog_name)
parser.add_argument(
'volume',
metavar='<volume>',
help=_('Volume to backup (name or ID)'),
)
parser.add_argument(
'--container',
metavar='<container>',
required=False,
help=_('Optional backup container name'),
)
parser.add_argument(
'--name',
metavar='<name>',
help=_('Name of the backup'),
)
parser.add_argument(
'--description',
metavar='<description>',
help=_('Description of the backup'),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
volume_id = utils.find_resource(volume_client.volumes,
parsed_args.volume).id
backup = volume_client.backups.create(
volume_id,
parsed_args.container,
parsed_args.name,
parsed_args.description
)
backup._info.pop('links')
return zip(*sorted(six.iteritems(backup._info)))
class CreateBackup(CreateVolumeBackup):
"""Create new backup"""
# TODO(Huanxuan Ao): Remove this class and ``backup create`` command
# two cycles after Newton.
# This notifies cliff to not display the help for this command
deprecated = True
log = logging.getLogger('deprecated')
def take_action(self, parsed_args):
self.log.warning(_('This command has been deprecated. '
'Please use "volume backup create" instead.'))
return super(CreateBackup, self).take_action(parsed_args)
class DeleteVolumeBackup(command.Command):
"""Delete volume backup(s)"""
def get_parser(self, prog_name):
parser = super(DeleteVolumeBackup, self).get_parser(prog_name)
parser.add_argument(
'backups',
metavar='<backup>',
nargs="+",
help=_('Backup(s) to delete (name or ID)'),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
result = 0
for i in parsed_args.backups:
try:
backup_id = utils.find_resource(
volume_client.backups, i).id
volume_client.backups.delete(backup_id)
except Exception as e:
result += 1
LOG.error(_("Failed to delete backup with "
"name or ID '%(backup)s': %(e)s"),
{'backup': i, 'e': e})
if result > 0:
total = len(parsed_args.backups)
msg = (_("%(result)s of %(total)s backups failed "
"to delete.") % {'result': result, 'total': total})
raise exceptions.CommandError(msg)
class DeleteBackup(DeleteVolumeBackup):
"""Delete backup(s)"""
# TODO(Huanxuan Ao): Remove this class and ``backup delete`` command
# two cycles after Newton.
# This notifies cliff to not display the help for this command
deprecated = True
log = logging.getLogger('deprecated')
def take_action(self, parsed_args):
self.log.warning(_('This command has been deprecated. '
'Please use "volume backup delete" instead.'))
return super(DeleteBackup, self).take_action(parsed_args)
class ListVolumeBackup(command.Lister):
"""List volume backups"""
def get_parser(self, prog_name):
parser = super(ListVolumeBackup, self).get_parser(prog_name)
parser.add_argument(
'--long',
action='store_true',
default=False,
help=_('List additional fields in output'),
)
return parser
def take_action(self, parsed_args):
def _format_volume_id(volume_id):
"""Return a volume name if available
:param volume_id: a volume ID
:rtype: either the volume ID or name
"""
volume = volume_id
if volume_id in volume_cache.keys():
volume = volume_cache[volume_id].display_name
return volume
if parsed_args.long:
columns = ['ID', 'Name', 'Description', 'Status', 'Size',
'Availability Zone', 'Volume ID', 'Container']
column_headers = copy.deepcopy(columns)
column_headers[6] = 'Volume'
else:
columns = ['ID', 'Name', 'Description', 'Status', 'Size']
column_headers = columns
# Cache the volume list
volume_cache = {}
try:
for s in self.app.client_manager.volume.volumes.list():
volume_cache[s.id] = s
except Exception:
# Just forget it if there's any trouble
pass
data = self.app.client_manager.volume.backups.list()
return (column_headers,
(utils.get_item_properties(
s, columns,
formatters={'Volume ID': _format_volume_id},
) for s in data))
class ListBackup(ListVolumeBackup):
"""List backups"""
# TODO(Huanxuan Ao): Remove this class and ``backup list`` command
# two cycles after Newton.
# This notifies cliff to not display the help for this command
deprecated = True
log = logging.getLogger('deprecated')
def take_action(self, parsed_args):
self.log.warning(_('This command has been deprecated. '
'Please use "volume backup list" instead.'))
return super(ListBackup, self).take_action(parsed_args)
class RestoreVolumeBackup(command.Command):
"""Restore volume backup"""
def get_parser(self, prog_name):
parser = super(RestoreVolumeBackup, self).get_parser(prog_name)
parser.add_argument(
'backup',
metavar='<backup>',
help=_('Backup to restore (name or ID)')
)
parser.add_argument(
'volume',
metavar='<volume>',
help=_('Volume to restore to (name or ID)')
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
backup = utils.find_resource(volume_client.backups,
parsed_args.backup)
destination_volume = utils.find_resource(volume_client.volumes,
parsed_args.volume)
return volume_client.restores.restore(backup.id,
destination_volume.id)
class RestoreBackup(RestoreVolumeBackup):
"""Restore backup"""
# TODO(Huanxuan Ao): Remove this class and ``backup restore`` command
# two cycles after Newton.
# This notifies cliff to not display the help for this command
deprecated = True
log = logging.getLogger('deprecated')
def take_action(self, parsed_args):
self.log.warning(_('This command has been deprecated. '
'Please use "volume backup restore" instead.'))
return super(RestoreBackup, self).take_action(parsed_args)
class ShowVolumeBackup(command.ShowOne):
"""Display volume backup details"""
def get_parser(self, prog_name):
parser = super(ShowVolumeBackup, self).get_parser(prog_name)
parser.add_argument(
'backup',
metavar='<backup>',
help=_('Backup to display (name or ID)')
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
backup = utils.find_resource(volume_client.backups,
parsed_args.backup)
backup._info.pop('links')
return zip(*sorted(six.iteritems(backup._info)))
class ShowBackup(ShowVolumeBackup):
"""Display backup details"""
# TODO(Huanxuan Ao): Remove this class and ``backup show`` command
# two cycles after Newton.
# This notifies cliff to not display the help for this command
deprecated = True
log = logging.getLogger('deprecated')
def take_action(self, parsed_args):
self.log.warning(_('This command has been deprecated. '
'Please use "volume backup show" instead.'))
return super(ShowBackup, self).take_action(parsed_args)