trove/trove/backup/service.py

92 lines
3.8 KiB
Python

# Copyright 2013 OpenStack Foundation
# Copyright 2013 Hewlett-Packard Development Company, L.P.
#
# 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 oslo_log import log as logging
from trove.backup.models import Backup
from trove.backup import views
from trove.common import apischema
from trove.common.i18n import _
from trove.common import notification
from trove.common.notification import StartNotification
from trove.common import pagination
from trove.common import policy
from trove.common import wsgi
LOG = logging.getLogger(__name__)
class BackupController(wsgi.Controller):
"""
Controller for accessing backups in the OpenStack API.
"""
schemas = apischema.backup
def index(self, req, tenant_id):
"""
Return all backups information for a tenant ID.
"""
LOG.debug("Listing backups for tenant %s" % tenant_id)
datastore = req.GET.get('datastore')
context = req.environ[wsgi.CONTEXT_KEY]
policy.authorize_on_tenant(context, 'backup:index')
backups, marker = Backup.list(context, datastore)
view = views.BackupViews(backups)
paged = pagination.SimplePaginatedDataView(req.url, 'backups', view,
marker)
return wsgi.Result(paged.data(), 200)
def show(self, req, tenant_id, id):
"""Return a single backup."""
LOG.debug("Showing a backup for tenant %s ID: '%s'"
% (tenant_id, id))
context = req.environ[wsgi.CONTEXT_KEY]
backup = Backup.get_by_id(context, id)
policy.authorize_on_target(context, 'backup:show',
{'tenant': backup.tenant_id})
return wsgi.Result(views.BackupView(backup).data(), 200)
def create(self, req, body, tenant_id):
LOG.info(_("Creating a backup for tenant %s"), tenant_id)
context = req.environ[wsgi.CONTEXT_KEY]
policy.authorize_on_tenant(context, 'backup:create')
data = body['backup']
instance = data['instance']
name = data['name']
desc = data.get('description')
parent = data.get('parent_id')
incremental = data.get('incremental')
context.notification = notification.DBaaSBackupCreate(context,
request=req)
with StartNotification(context, name=name, instance_id=instance,
description=desc, parent_id=parent):
backup = Backup.create(context, instance, name, desc,
parent_id=parent, incremental=incremental)
return wsgi.Result(views.BackupView(backup).data(), 202)
def delete(self, req, tenant_id, id):
LOG.info(_('Deleting backup for tenant %(tenant_id)s '
'ID: %(backup_id)s') %
{'tenant_id': tenant_id, 'backup_id': id})
context = req.environ[wsgi.CONTEXT_KEY]
backup = Backup.get_by_id(context, id)
policy.authorize_on_target(context, 'backup:delete',
{'tenant': backup.tenant_id})
context.notification = notification.DBaaSBackupDelete(context,
request=req)
with StartNotification(context, backup_id=id):
Backup.delete(context, id)
return wsgi.Result(None, 202)