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# Copyright 2016 NEC Corporation
# 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
# 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 copy
def get_image_meta_from_headers(resp):
meta = {'properties': {}}
for key in resp.response:
value = resp.response[key]
if key.startswith('x-image-meta-property-'):
_key = key[22:]
meta['properties'][_key] = value
elif key.startswith('x-image-meta-'):
_key = key[13:]
meta[_key] = value
for key in ['is_public', 'protected', 'deleted']:
if key in meta:
meta[key] = meta[key].strip().lower() in ('t', 'true', 'yes', '1')
for key in ['size', 'min_ram', 'min_disk']:
if key in meta:
meta[key] = int(meta[key])
except ValueError:
return meta
def image_meta_to_headers(**metadata):
headers = {}
fields_copy = copy.deepcopy(metadata)
copy_from = fields_copy.pop('copy_from', None)
purge = fields_copy.pop('purge_props', None)
if purge is not None:
headers['x-glance-registry-purge-props'] = purge
if copy_from is not None:
headers['x-glance-api-copy-from'] = copy_from
for key, value in fields_copy.pop('properties', {}).items():
headers['x-image-meta-property-%s' % key] = str(value)
for key, value in fields_copy.pop('api', {}).items():
headers['x-glance-api-property-%s' % key] = str(value)
for key, value in fields_copy.items():
headers['x-image-meta-%s' % key] = str(value)
return headers