ironic/ironic/common/glance_service/v2/image_service.py

70 lines
2.5 KiB
Python

# Copyright 2013 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 oslo.config import cfg
from ironic.common import exception as exc
from ironic.common.glance_service import base_image_service
from ironic.common.glance_service import service
from ironic.common.glance_service import service_utils
glance_opts = [
cfg.ListOpt('allowed_direct_url_schemes',
default=[],
help='A list of URL schemes that can be downloaded directly '
'via the direct_url. Currently supported schemes: '
'[file].')
]
CONF = cfg.CONF
CONF.register_opts(glance_opts, group='glance')
class GlanceImageService(base_image_service.BaseImageService,
service.ImageService):
def detail(self, **kwargs):
return self._detail(method='list', **kwargs)
def show(self, image_id):
return self._show(image_id, method='get')
def download(self, image_id, data=None):
return self._download(image_id, method='data', data=data)
def create(self, image_meta, data=None):
image_id = self._create(image_meta, method='create', data=None)['id']
return self.update(image_id, None, data)
def update(self, image_id, image_meta, data=None, purge_props=False):
# NOTE(ghe): purge_props not working until bug 1206472 solved
return self._update(image_id, image_meta, data, method='update',
purge_props=False)
def delete(self, image_id):
return self._delete(image_id, method='delete')
def _get_location(self, image_id):
"""Returns the direct url representing the backend storage location,
or None if this attribute is not shown by Glance.
"""
image_meta = self.call('get', image_id)
if not service_utils.is_image_available(self.context, image_meta):
raise exc.ImageNotFound(image_id=image_id)
return getattr(image_meta, 'direct_url', None)