def delete(self, context, image_id):
"""Delete the given image.
:raises: ImageNotFound if the image does not exist.
:raises: NotAuthorized if the user is not an owner.
"""
try:
self._client.call(context, 'delete', image_id)
except glanceclient.exc.NotFound:
raise exception.ImageNotFound(image_id=image_id)
return True
def show(self, context, image_id):
"""Returns a dict with image data for the given opaque image id."""
try:
image = self._client.call(context, 'get', image_id)
except Exception:
_reraise_translated_image_exception(image_id)
if not self._is_image_available(context, image):
raise exception.ImageNotFound(image_id=image_id)
base_image_meta = self._translate_from_glance(image)
return base_image_meta
def show(self, context, image_id):
"""Get data about specified image.
Returns a dict containing image data for the given opaque image id.
"""
image = self.images.get(str(image_id))
if image:
return copy.deepcopy(image)
LOG.warn('Unable to find image id %s. Have images: %s', image_id,
self.images)
raise exception.ImageNotFound(image_id=image_id)
def get_location(self, context, image_id):
"""Returns the direct url representing the backend storage location,
or None if this attribute is not shown by Glance."""
try:
client = GlanceClientWrapper()
image_meta = client.call(context, 2, 'get', image_id)
except Exception:
_reraise_translated_image_exception(image_id)
if not self._is_image_available(context, image_meta):
raise exception.ImageNotFound(image_id=image_id)
return getattr(image_meta, 'direct_url', None)
def update(self, context, image_id, metadata, data=None,
purge_props=False, store_id=None, base_image_ref=None):
"""Replace the contents of the given image with the new data.
:raises ImageNotFound: if the image does not exist.
"""
if not self.images.get(image_id):
raise exception.ImageNotFound(image_id=image_id)
if purge_props:
self.images[image_id] = copy.deepcopy(metadata)
else:
image = self.images[image_id]
try:
image['properties'].update(metadata.pop('properties'))
except Exception:
pass
image.update(metadata)
return self.images[image_id]
def get_location(self, context, image_id):
"""Returns the direct url representing the backend storage location,
or None if this attribute is not shown by Glance.
"""
try:
# direct_url is returned by v2 api
client = GlanceClientWrapper(version=2)
image_meta = client.call(context, 'get', image_id)
except Exception:
_reraise_translated_image_exception(image_id)
if not self._is_image_available(context, image_meta):
raise exception.ImageNotFound(image_id=image_id)
# some glance stores like nfs only meta data
# is stored and returned as locations.
# so composite of two needs to be returned.
return (getattr(image_meta, 'direct_url',
None), getattr(image_meta, 'locations', None))
def get_location(self,
context: context.RequestContext,
image_id: str) -> tuple[Optional[str], Any]:
"""Get backend storage location url.
Returns a tuple containing the direct url and locations representing
the backend storage location, or (None, None) if these attributes are
not shown by Glance.
"""
try:
# direct_url is returned by v2 api
client = GlanceClientWrapper()
image_meta = client.call(context, 'get', image_id)
except Exception:
_reraise_translated_image_exception(image_id)
if not self._is_image_available(context, image_meta):
raise exception.ImageNotFound(image_id=image_id)
# some glance stores like nfs only meta data
# is stored and returned as locations.
# so composite of two needs to be returned.
return (getattr(image_meta, 'direct_url', None),
getattr(image_meta, 'locations', None))
