feat: sydney haproxy cluster

- add au-syd1 halb cluster
- add http-response to frontends
- manage haproxy after enc_role is correct

site/profiles/manifests/haproxy/balancemember.pp

@@ -8,7 +8,7 @@ define profiles::haproxy::balancemember (
   $location_environment = "${facts['country']}-${facts['region']}-${facts['environment']}"
   $balancemember_tag = "${service}_${location_environment}"
 
-  @@haproxy::balancermember { $balancemember_tag:
+  @@haproxy::balancermember { $title:
     listening_service => $service,
     ports             => $ports,
     server_names      => $facts['networking']['hostname'],