Open Stack

We plan on deprecating personality files from the compute API in a new 
microversion. The spec for that is here:

https://review.openstack.org/#/c/509013/

Today you can pass new personality files to inject during rebuild, and 
at the PTG we said we'd allow passing new user_data to rebuild as a 
replacement for the personality files.

However, if the only reason one would need to pass personality files 
during rebuild is because we don't persist them during the initial 
server create, do we really need to also allow passing user_data for 
rebuild? The initial user_data is stored with the instance during 
create, and re-used during rebuild, so do we need to allow updating it 
during rebuild?

-- 

Thanks,

Matt