Ping6 server is know in a variable

slapos/builder/script/slapos

@@ -33,16 +33,18 @@ for service in rpcbind network-remotefs postfix ; do
   /etc/init.d/$service stop
 done
 
+IPV6CHECK=ipv6.google.com
+
 # Test ipv6 connectivity and if not working use openvpn 
 # and wait for it to be ready
 /etc/init.d/openvpn stop
-ping6 -c 2 ipv6.google.com
+ping6 -c 2 $IPV6CHECK
 if [[ $? != 0 ]]; then
     echo """ Starting openVPN """
     /etc/init.d/openvpn start
-    ping6 -c 2 ipv6.google.com
+    ping6 -c 2 $IPV6CHECK
     while [[ $? != 0 ]]; do
-        ping6 -c 2 ipv6.google.com
+        ping6 -c 2 $IPV6CHECK
     done
     # Ask slapos to use openvpn as ipv6 provider                                                                                                                       
     if [ ! -f /etc/slapos/openvpn-needed ]; then