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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
# Copyright (c) 2010 Citrix Systems, Inc.
#
# 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.
"""
Handling of VM disk images.
"""
from nova import flags
from nova.image import glance as glance_image_service
import nova.image
from nova import log as logging
from nova import utils
FLAGS = flags.FLAGS
LOG = logging.getLogger('nova.virt.images')
def fetch(context, image_href, path, _user_id, _project_id):
# TODO(vish): Improve context handling and add owner and auth data
# when it is added to glance. Right now there is no
# auth checking in glance, so we assume that access was
# checked before we got here.
(image_service, image_id) = nova.image.get_image_service(context,
image_href)
with open(path, "wb") as image_file:
metadata = image_service.get(context, image_id, image_file)
return metadata
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