Set dhcp_domain option
diff --git a/metadata/service/control/cluster.yml b/metadata/service/control/cluster.yml
index c27ee3c..463fefd 100644
--- a/metadata/service/control/cluster.yml
+++ b/metadata/service/control/cluster.yml
@@ -11,6 +11,7 @@
       version: ${_param:nova_version}
       vncproxy_url: ${_param:nova_vncproxy_url}
       security_group: false
+      dhcp_domain: novalocal
       logging:
       - engine: syslog
         facility: local0