This is an attempt to remove the need for the custom nbroles module. If
it works out, the localhost reference should be replaced with a global
roles API endpoint.
Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>
Script allows for testing and pipeline minions to work without access to
the roles API. Additionally added a note about this in prepare_minion.py.
Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>