Video recording and post production done by OpenStack Foundation.
For their most recent major release, Piston decided to change the base of their OpenStack distribution from Grizzly to Icehouse. What could possibly go wrong? Plenty, of course! Platform Engineering Manager Forrest Carpenter walks through the gory details of the things Piston encountered -- most of them not anticipated -- during a sweeping change to the underpinnings of their product. What were the unknown unknowns, when should they have known about them, and how did the Piston engineers tackle them? Which components caused the most headaches, and how those were eventually solved, may surprise you.