We extracted some of our functional base job to the devstack repo.
Consume it.
Change-Id: I11e6f9dab935e4b2cd16228f031f7e0adb3a6c89
Depends-On: I84de60181cb88574e341ff83cd4857cce241f2dd
Our functional tests depend on OS_CLOUD (or other OS_* envvars)
to retrieve authentication information.
Functional test failure is caused by the lack of OS_CLOUD envvar.
This commit updates the job playbook to pass OS_CLOUD.
Change-Id: I903ce599082cc923f02e26a2058bbfa7eb9bb2d6