97b87ad323
Playbooks other than the run playbook will require access to the gate check scenario vars, which are computed dynamically. Add a pre-playbook implementing the dynamic behavior and store a vars file in the Zuul executor workspace that can be used as an ansible "vars_file" in other Zuul playbooks. Change-Id: I5723aef8c1123b2ce60140041fee78720f67e0af