492bc7442f
With the handler in the haproxy-config role, it gets triggered once for every service that changes the firewall config. This happens because the role is included dynamically. If we move the handler to the haproxy role, which is only included once, the handler will trigger at most once. This is a follow up for Iea3680142711873984efff2b701347b6a56dd355. Change-Id: Iad9ed241026435085bc9a0f5802818010b47830f