InstanceBuilder vm = InstanceBuilder.build(model.dnsName, this, model.getTags());
// TODO: Do we need a DnsCluster concept?
// For now, we fake it
PlatformLayerKey key = model.getKey();
String groupId = key.withId(new ManagedItemId("primary")).getUrl();
groupId = groupId.replace("/dnsServer/", "/dnsCluster/");
vm.hostPolicy.configureSpread(groupId);
vm.addTagToManaged = true;
vm.publicPorts.add(53);