Overwrite hostname based on name chosen by us

This is useful for cases where machines are deployed via FOG for example
or deployed by the university which might have a CI based on an unknown
mechanism.

Author: vmcj

provision-contest/ansible/roles/hosts/tasks/main.yml

@@ -1,6 +1,10 @@
 ---
 # These tasks add entries to /etc/hosts
 
+- name: Set the hostname based on inventory
+  hostname:
+    name: "{{ inventory_hostname }}"
+
 # FIXME: this needs to be cleaned up and done in a way such that the
 # tasks are not marked as "changed" every time they are run, and also
 # work better with ad-hoc editing of the inventory hosts file.