376 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			376 lines
		
	
	
		
			12 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 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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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 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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            dest='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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        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(volume_client.volumes,
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                                        volume).id
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        snapshot = volume_client.volume_snapshots.create(
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            volume_id,
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            parsed_args.force,
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            parsed_args.snapshot_name,
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            parsed_args.description
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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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        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(snapshot_id)
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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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            '--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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            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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        if parsed_args.long:
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            columns = ['ID', 'Display Name', 'Display 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', 'Display Name', 'Display Description', 'Status',
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                       'Size']
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            column_headers = copy.deepcopy(columns)
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        # Always update Name and Description
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        column_headers[1] = 'Name'
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        column_headers[2] = 'Description'
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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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        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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        search_opts = {
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            'all_tenants': parsed_args.all_projects,
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            'display_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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        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': VolumeIdColumnWithCache},
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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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        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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        kwargs = {}
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        if parsed_args.name:
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            kwargs['display_name'] = parsed_args.name
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        if parsed_args.description:
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            kwargs['display_description'] = parsed_args.description
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        if kwargs:
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            try:
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                snapshot.update(**kwargs)
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            except Exception as e:
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                LOG.error(_("Failed to update snapshot display name "
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                          "or display 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(volume_client.volume_snapshots,
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                                       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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            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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