Add support for importing image in multiple stores for Glance Client

Add support for providing multiple target stores where image can be imported.

Add glance cache-manage utility for Glance

In Rocky, the v1 dependent glance-cache-manage command was removed while removing Images API v1 entry points. In Stein, as per Edge computing architecture, glance cache will be enabled on far-edge nodes. Hence it will be good to add glance-cache-manage utility using v2 API in glance. This utility will have the sam...

Multiple backend support for glance feature for Glance Client

Multiple backend support for glance feature

Improve performance of unshelve instance for OpenStack Compute (nova)

The aim of this feature is to improve the performance of unshelve instance by eliminating downloading/copying snapshot time. All instance files will be retained in the instance store backed by shared or non-shared storage on the compute node when an instance is shelved. When you unshelve hundreds of instances at th...