
One of the community goals for Stein is to implement a command-line tool for operators that runs programmable checks that might impact upgradability. This commit lays down the basic structure for the upgrade checks and ties it up to `glance-status` command. Change-Id: I7fcf5235a76d15dbcb2c49255bc26c2b586cd71c Story: 2003657 Task: 26135