Let's see if one role can restart a service from another.

roles/badges-backend/tasks/main.yml

@@ -1,9 +1,6 @@
 ---
 # Configuration for the fedbadges consumer
 
-#- tasks:
-#  - include: $tasks/fedmsg_hub
-
 - name: copy database configuration
   template: src=$item dest=/etc/fedmsg.d/$item
   with_items:

roles/fedmsg-hub/tasks/main.yml

@@ -0,0 +1,12 @@
+---
+# Setup a fedmsg-hub
+
+- name: install needed packages
+  yum: pkg=$item state=installed
+  with_items:
+  - fedmsg-hub
+  tags:
+  - packages
+
+- name: fedmsg-hub service
+  service: name=fedmsg-hub state=started enabled=yes