def index(self, req):
"""
Returns the following information for all public, available images:
* id -- The opaque image identifier
* name -- The name of the image
* disk_format -- The disk image format
* container_format -- The "container" format of the image
* checksum -- MD5 checksum of the image data
* size -- Size of image data in bytes
:param req: The WSGI/Webob Request object
:retval The response body is a mapping of the following form::
{'images': [
{'id': <ID>,
'name': <NAME>,
'disk_format': <DISK_FORMAT>,
'container_format': <DISK_FORMAT>,
'checksum': <CHECKSUM>
'size': <SIZE>}, ...
]}
"""
self._enforce(req, 'get_images')
params = self._get_query_params(req)
try:
images = registry.get_images_list(req.context, **params)
except exception.Invalid as e:
raise HTTPBadRequest(explanation="%s" % e)
return dict(images=images)
def get_orphaned_cached_images(self):
"""
WRS specific
In case glance-caching is used, returns a list of images that
were cached, but the original source image has since been deleted
"""
admin_context = self._get_context()
registry.configure_registry_client()
active_images = registry.get_images_list(admin_context)
cached_images = self.get_cached_images()
for c_image in cached_images:
if not (any(image['id'] == c_image['image_id']
for image in active_images)):
LOG.info(
_LI("Image %s no longer present in the "
"primary region. Deleting cached file.") %
str(c_image['image_id']))
self.delete_cached_image(c_image['image_id'])
else:
LOG.debug("Image %s still present in the "
"primary region." % str(c_image['image_id']))