Also, initialize postgres.

roles/taiga/tasks/main.yml

@@ -34,6 +34,12 @@
   notify: restart postgresql
   tags: taiga
 
+- name: Initialize postgres if necessary
+  command: /usr/bin/postgresql-setup initdb
+           creates=/var/lib/pgsql/data
+  notify: restart postgresql
+  tags: taiga
+
 # No need to let postgres talk to the world, right?
 #- name: Let postgresql listen to '*'
 #  command: sed -i -e "s|#listen_addresses = 'localhost'|listen_addresses = '*'|" /var/lib/pgsql/data/postgresql.conf