manila/manila/api/views/backups.py

91 lines
3.3 KiB
Python

# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
# All Rights Reserved.
#
# 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.
from manila.api import common
from manila.openstack.common import log as logging
LOG = logging.getLogger(__name__)
class ViewBuilder(common.ViewBuilder):
"""Model backup API responses as a python dictionary."""
_collection_name = "backups"
def __init__(self):
"""Initialize view builder."""
super(ViewBuilder, self).__init__()
def summary_list(self, request, backups):
"""Show a list of backups without many details."""
return self._list_view(self.summary, request, backups)
def detail_list(self, request, backups):
"""Detailed view of a list of backups ."""
return self._list_view(self.detail, request, backups)
def summary(self, request, backup):
"""Generic, non-detailed view of a backup."""
return {
'backup': {
'id': backup['id'],
'name': backup['display_name'],
'links': self._get_links(request,
backup['id']),
},
}
def restore_summary(self, request, restore):
"""Generic, non-detailed view of a restore."""
return {
'restore': {
'backup_id': restore['backup_id'],
'volume_id': restore['volume_id'],
},
}
def detail(self, request, backup):
"""Detailed view of a single backup."""
return {
'backup': {
'id': backup.get('id'),
'status': backup.get('status'),
'size': backup.get('size'),
'object_count': backup.get('object_count'),
'availability_zone': backup.get('availability_zone'),
'container': backup.get('container'),
'created_at': backup.get('created_at'),
'name': backup.get('display_name'),
'description': backup.get('display_description'),
'fail_reason': backup.get('fail_reason'),
'volume_id': backup.get('volume_id'),
'links': self._get_links(request, backup['id'])
}
}
def _list_view(self, func, request, backups):
"""Provide a view for a list of backups."""
backups_list = [func(request, backup)['backup'] for backup in backups]
backups_links = self._get_collection_links(request,
backups,
self._collection_name)
backups_dict = dict(backups=backups_list)
if backups_links:
backups_dict['backups_links'] = backups_links
return backups_dict