def update_image(self, image_id, image_meta=None, image_data=None,
features=None):
"""
Updates Glance's information about an image
:param image_id: Required image ID
:param image_meta: Optional Mapping of information about the
image
:param image_data: Optional string of raw image data
or file-like object that can be
used to read the image data
:param features: Optional map of features
"""
if image_meta is None:
image_meta = {}
headers = utils.image_meta_to_http_headers(image_meta)
if image_data:
body = image_data
headers['content-type'] = 'application/octet-stream'
image_size = self._get_image_size(image_data)
if image_size:
headers['x-image-meta-size'] = image_size
headers['content-length'] = image_size
else:
body = None
utils.add_features_to_http_headers(features, headers)
res = self.do_request("PUT", "/images/%s" % image_id, body, headers)
data = json.loads(res.read())
return data['image']
def add_image(self, image_meta=None, image_data=None, features=None):
"""
Tells Glance about an image's metadata as well
as optionally the image_data itself
:param image_meta: Optional Mapping of information about the
image
:param image_data: Optional string of raw image data
or file-like object that can be
used to read the image data
:param features: Optional map of features
:retval The newly-stored image's metadata.
"""
headers = utils.image_meta_to_http_headers(image_meta or {})
if image_data:
body = image_data
headers['content-type'] = 'application/octet-stream'
image_size = self._get_image_size(image_data)
if image_size:
headers['x-image-meta-size'] = image_size
headers['content-length'] = image_size
else:
body = None
utils.add_features_to_http_headers(features, headers)
res = self.do_request("POST", "/images", body, headers)
data = json.loads(res.read())
return data['image']