+ ansible_managed

ansible.cfg

@@ -10,6 +10,7 @@ fact_caching             =  jsonfile
 fact_caching_connection  =  /etc/ansible/facts
 fact_caching_timeout     =  86400
 retry_files_enabled      =  False
+ansible_managed          = Ansible managed : {file} modified on %Y-%m-%d by {uid} on {host}
 [inventory]
 [privilege_escalation]
 become                  = True