This change enables the use of Docker healthchecks for redis services.
Implements: blueprint container-health-check
Change-Id: I0590c5b22ef8eb733211b029cdd73a055d58af11
Sometimes as cloud admins, we want to only update code that is running
in a cloud. But we dont need to do anything else. Make an action in
kolla-ansible that allows us to do that.
Change-Id: I904f595c69f7276e71692696471e32fd1f88e6e8
Implements: blueprint deploy-containers-action