The retrofit process involves downloading packages from the internet and is as such susceptible to random failures due to internet gremlins.
The Zaza run_action functions ought to have a raise exception option, openstack-charmers/zaza#251
Setup can be used standalone by other charms consuming the ``octavia-diskimage-retrofit`` charm for their testing purposes. Tests the charms actions. Full end to end test will be done by consuming this charm in the ``octavia`` charm tests.
Frode Nordahl