hieradata/country/au/region/syd1/infra/sql/galera.yaml

@@ -0,0 +1,4 @@
+---
+profiles::sql::galera_member::cluster_name: au-syd1
+profiles::sql::galera_member::galera_master: ausyd1nxvm1027.main.unkin.net
+profiles::sql::galera_member::innodb_buffer_pool_size: 256M

hieradata/roles/infra/sql/galera.yaml

@@ -1,11 +1,8 @@
 ---
-profiles::sql::galera_member::cluster_name: galera01
-profiles::sql::galera_member::galera_master: prodinf01n29.main.unkin.net
 profiles::sql::galera_member::configure_firewall: false
 profiles::sql::galera_member::wsrep_sst_method: rsync
 profiles::sql::galera_member::galera_members_lookup: true
 profiles::sql::galera_member::galera_members_role: roles::infra::sql::galera
 profiles::sql::galera_member::datadir: /data/mariadb
-profiles::sql::galera_member::innodb_buffer_pool_size: 256M
 profiles::sql::galera_member::innodb_file_per_table: 1
 profiles::sql::galera_member::package_name: mariadb-galera-server

site/profiles/manifests/sql/galera_member.pp

@@ -47,7 +47,7 @@ class profiles::sql::galera_member (
     }
 
     # if it is, find hosts, sort them so they dont cause changes every run
-    $servers_array = sort(query_nodes("enc_role='${galera_members_role}'", 'networking.fqdn'))
+    $servers_array = sort(query_nodes("enc_role='${galera_members_role}' and region='${facts['region']}'", 'networking.fqdn'))
 
   # else use provided array from params
   }else{
@@ -211,4 +211,5 @@ class profiles::sql::galera_member (
   }else{
     notice("${title} requires the servers_array to have 3 or more, currently it is ${length($servers_array)}.")
   }
+
 }

site/roles/manifests/infra/sql/galera.pp

@@ -3,5 +3,8 @@ class roles::infra::sql::galera {
   include profiles::defaults
   include profiles::base
   include profiles::base::datavol
+
+  if $facts['enc_role'] == 'roles::infra::sql::galera' {
     include profiles::sql::galera_member
   }
+}