Add missing openshift_service_type

Pull in openshift_facts to define the variable.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1525429

playbooks/openshift-node/private/restart.yml

@@ -5,6 +5,7 @@
 
   roles:
   - lib_openshift
+  - openshift_facts
 
   tasks:
   - name: Restart docker