try this

playbooks/groups/overcloud-config.yml

@@ -75,6 +75,8 @@
       name: "{{ item.name }}"
       description: "{{ item.desc }}"
       state: present
+      enabled: True
+      region_name: regionOne
     with_items:
       - { name: persistent, desc: "persistent instances" }
       - { name: qa, desc: "developmnet and test-day applications of QA" }