use pool.ntp.org if the host is not on the CERN network

src/code/manifests/params.pp

@@ -60,7 +60,15 @@ class chrony::params {
   }
 
   $domain       = lookup({"name" => "cern_network_domain", "default_value" => 'default'})
-  if $domain == 'tn' {
+  if $domain == 'default' {
+    $servers = {
+      '0.pool.ntp.org' => ['iburst'],
+      '1.pool.ntp.org' => ['iburst'],
+      '2.pool.ntp.org' => ['iburst'],
+      '3.pool.ntp.org' => ['iburst'],
+    }
+  }
+  elsif $domain == 'tn' {
     $servers = {
       'ip-time-3.cern.ch' => ['iburst'],
       'ip-time-4.cern.ch' => ['iburst'],