memberOfAttribute at the User level.
@mkurek Thank you, yes I did try installing on ubuntu 16.04 server using the ppa method. Kept getting python site-packages that were missing. Tried changing PYTHONHOME and PYTHONPATH in my ENV but didn't fix it. Couldn't find anyone else that posted about it other than generic Python import issues. Seems like Ralph has far too many "custom" settings tied to 14.04 to make it's upgrade path simple enough for Production environments. It stinks that Docker is NOT an option for my employer.
Note: I was able to install on 14.04 using my Ansible Play that fails on 16.04.