Initialize the postgresql DB for pagure if necessary

roles/pagure/tasks/main.yml

@@ -12,6 +12,14 @@
   - pagure
   - packages
 
+- name: Initialize postgres if necessary
+  command: /usr/bin/postgresql-setup initdb
+           creates=/var/lib/pgsql/data
+  notify:
+  - restart postgresql
+  tags:
+  - pagure
+
 
 # Set-up gitolite