}

func makePortString(ports []api.ServicePort) string {
	pieces := make([]string, len(ports))
	for ix := range ports {
		port := &ports[ix]
		pieces[ix] = fmt.Sprintf("%d/%s", port.Port, port.Protocol)
		if port.NodePort > 0 {
			pieces[ix] = fmt.Sprintf("%d:%d/%s", port.Port, port.NodePort, port.Protocol)
		}
	}
	return strings.Join(pieces, ",")
}