
This adds some background, guidelines and structural notes on writing nova-status upgrade checks. This is intentionally written with some potentially redundant information or nova developers as it's also meant to be consumed outside nova as part of the community-wide "upgrade-checkers" goal for Stein [1]. Story: 2003570 [1] https://governance.openstack.org/tc/goals/stein/upgrade-checkers.html Change-Id: I340b25edeab3ac19c5d0bedfc69acd037d57bdd2