1. As mentioned in [1], we should avoid using six.iteritems to achieve iterators. We can use dict.items instead, as it will return iterators in PY3 as well. And dict.items/keys will more readable. 2. In py2, the performance about list should be negligible, see the link [2]. [1] https://wiki.openstack.org/wiki/Python3 [2] http://lists.openstack.org/pipermail/openstack-dev/2015-June/066391.html Co-Authored-By: Akihiro Motoki <amotoki@gmail.com> Change-Id: I4b9edb326444264c0f6c4ad281acaac356a07e85 Implements: blueprint replace-iteritems-with-items
		
			
				
	
	
		
			82 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.9 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 logging
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from osc_lib.command import command
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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 ExportBackupRecord(command.ShowOne):
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    _description = _('Export volume backup details. Backup information can be '
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                     'imported into a new service instance to be able to '
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                     'restore.')
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    def get_parser(self, prog_name):
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        parser = super(ExportBackupRecord, 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 export (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, parsed_args.backup)
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        backup_data = volume_client.backups.export_record(backup.id)
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        # We only want to show "friendly" display names, but also want to keep
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        # json structure compatibility with cinderclient
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        if parsed_args.formatter == 'table':
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            backup_data['Backup Service'] = backup_data.pop('backup_service')
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            backup_data['Metadata'] = backup_data.pop('backup_url')
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        return zip(*sorted(backup_data.items()))
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class ImportBackupRecord(command.ShowOne):
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    _description = _('Import volume backup details. Exported backup details '
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                     'contain the metadata necessary to restore to a new or '
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                     'rebuilt service instance')
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    def get_parser(self, prog_name):
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        parser = super(ImportBackupRecord, self).get_parser(prog_name)
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        parser.add_argument(
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            "backup_service",
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            metavar="<backup_service>",
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            help=_("Backup service containing the backup.")
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        )
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        parser.add_argument(
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            "backup_metadata",
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            metavar="<backup_metadata>",
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            help=_("Encoded backup metadata from export.")
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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_data = volume_client.backups.import_record(
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            parsed_args.backup_service,
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            parsed_args.backup_metadata)
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        backup_data.pop('links', None)
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        return zip(*sorted(backup_data.items()))
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