containerRestartPolicyEmpty     = core.ContainerRestartPolicy("")
)

type topologyPair struct {
	key   string
	value string
}

func line() string {
	_, _, line, ok := runtime.Caller(1)
	var s string
	if ok {
		s = fmt.Sprintf("%d", line)
	} else {
		s = "<??>"
	}
	return s
}

func prettyErrorList(errs field.ErrorList) string {
	var s string
	for _, e := range errs {