92 lines
3.6 KiB
Python
92 lines
3.6 KiB
Python
# Copyright 2011 OpenStack Foundation
|
|
# Copyright 2013 IBM Corp.
|
|
#
|
|
# 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.
|
|
|
|
import webob
|
|
|
|
from nova.api.openstack import api_version_request
|
|
from nova.api.openstack import common
|
|
from nova.api.openstack.compute.schemas import create_backup
|
|
from nova.api.openstack import wsgi
|
|
from nova.api import validation
|
|
from nova.compute import api as compute
|
|
from nova import exception
|
|
from nova.policies import create_backup as cb_policies
|
|
|
|
|
|
class CreateBackupController(wsgi.Controller):
|
|
def __init__(self):
|
|
super(CreateBackupController, self).__init__()
|
|
self.compute_api = compute.API()
|
|
|
|
@wsgi.response(202)
|
|
@wsgi.expected_errors((400, 403, 404, 409))
|
|
@wsgi.action('createBackup')
|
|
@validation.schema(create_backup.create_backup_v20, '2.0', '2.0')
|
|
@validation.schema(create_backup.create_backup, '2.1')
|
|
def _create_backup(self, req, id, body):
|
|
"""Backup a server instance.
|
|
|
|
Images now have an `image_type` associated with them, which can be
|
|
'snapshot' or the backup type, like 'daily' or 'weekly'.
|
|
|
|
If the image_type is backup-like, then the rotation factor can be
|
|
included and that will cause the oldest backups that exceed the
|
|
rotation factor to be deleted.
|
|
|
|
"""
|
|
context = req.environ["nova.context"]
|
|
instance = common.get_instance(self.compute_api, context, id)
|
|
context.can(cb_policies.BASE_POLICY_NAME,
|
|
target={'project_id': instance.project_id})
|
|
entity = body["createBackup"]
|
|
|
|
image_name = common.normalize_name(entity["name"])
|
|
backup_type = entity["backup_type"]
|
|
rotation = int(entity["rotation"])
|
|
|
|
props = {}
|
|
metadata = entity.get('metadata', {})
|
|
# Starting from microversion 2.39 we don't check quotas on createBackup
|
|
if api_version_request.is_supported(
|
|
req, max_version=
|
|
api_version_request.MAX_IMAGE_META_PROXY_API_VERSION):
|
|
common.check_img_metadata_properties_quota(context, metadata)
|
|
props.update(metadata)
|
|
|
|
try:
|
|
image = self.compute_api.backup(context, instance, image_name,
|
|
backup_type, rotation, extra_properties=props)
|
|
except exception.InstanceInvalidState as state_error:
|
|
common.raise_http_conflict_for_instance_invalid_state(state_error,
|
|
'createBackup', id)
|
|
except exception.InvalidRequest as e:
|
|
raise webob.exc.HTTPBadRequest(explanation=e.format_message())
|
|
|
|
# Starting with microversion 2.45 we return a response body containing
|
|
# the snapshot image id without the Location header.
|
|
if api_version_request.is_supported(req, '2.45'):
|
|
return {'image_id': image['id']}
|
|
|
|
resp = webob.Response(status_int=202)
|
|
|
|
# build location of newly-created image entity if rotation is not zero
|
|
if rotation > 0:
|
|
image_id = str(image['id'])
|
|
image_ref = common.url_join(req.application_url, 'images',
|
|
image_id)
|
|
resp.headers['Location'] = image_ref
|
|
|
|
return resp
|