We extracted some of our functional base job to the devstack repo. Consume it. Change-Id: I11e6f9dab935e4b2cd16228f031f7e0adb3a6c89 Depends-On: I84de60181cb88574e341ff83cd4857cce241f2dd
Convert legacy DevStack jobs to native Zuul v3 form, plus some test-job-related docs updates. Change-Id: Ia8c08be81605da885b9eee799fc58129305dfc41