mdapi: build on the production OpenShift

Signed-off-by: Clement Verna <cverna@tutanota.com>

playbooks/openshift-apps/mdapi.yml

@@ -1,5 +1,5 @@
 - name: make the app be real
-  hosts: os-masters-stg[0]
+  hosts: os-masters-stg[0]:os-masters
   user: root
   gather_facts: False
 

roles/openshift-apps/mdapi/templates/buildconfig.yml

@@ -9,7 +9,7 @@ spec:
     git:
       uri: https://pagure.io/mdapi.git
 {% if env == 'staging' %}
-      ref: "master"
+      ref: "staging"
 {% else %}
       ref: "production"
 {% endif %}