}

	if len(namespace) == 0 {
		allErrors = append(allErrors, field.Required(fldPath.Child("namespace"), "service namespace is required"))
	}

	if errs := validation.IsValidPortNum(int(port)); errs != nil {
		allErrors = append(allErrors, field.Invalid(fldPath.Child("port"), port, "port is not valid: "+strings.Join(errs, ", ")))
	}

	if path == nil {
		return allErrors
	}

	}
	if utilvalidation.IsValidPortNum(int(kc.Port)) != nil {
		allErrors = append(allErrors, fmt.Errorf("invalid configuration: port (--port) %v must be between 1 and 65535, inclusive", kc.Port))
	}
	if kc.ReadOnlyPort != 0 && utilvalidation.IsValidPortNum(int(kc.ReadOnlyPort)) != nil {

	}
	if port.Port != nil {
		if port.Port.Type == intstr.Int {
			for _, msg := range validation.IsValidPortNum(int(port.Port.IntVal)) {
				allErrs = append(allErrs, field.Invalid(portPath.Child("port"), port.Port.IntVal, msg))
			}
			if port.EndPort != nil {
				if *port.EndPort < port.Port.IntVal {

	if !cIdentifierRegexp.MatchString(value) {
		return []string{RegexError(identifierErrMsg, cIdentifierFmt, "my_name", "MY_NAME", "MyName")}
	}
	return nil
}

// IsValidPortNum tests that the argument is a valid, non-zero port number.
func IsValidPortNum(port int) []string {
	if 1 <= port && port <= 65535 {
		return nil
	}
	return []string{InclusiveRangeError(1, 65535)}
}

	goodValues := []int{1, 2, 1000, 16384, 32768, 65535}
	for _, val := range goodValues {
		if msgs := IsValidPortNum(val); len(msgs) != 0 {
			t.Errorf("expected true for %d, got %v", val, msgs)
		}
	}

	badValues := []int{0, -1, 65536, 100000}
	for _, val := range badValues {
		if msgs := IsValidPortNum(val); len(msgs) == 0 {
			t.Errorf("expected false for %d", val)
		}
	}
}

		} else {
			for _, msg := range validation.IsValidPortNum(int(port.ContainerPort)) {
				allErrs = append(allErrs, field.Invalid(idxPath.Child("containerPort"), port.ContainerPort, msg))
			}
		}
		if port.HostPort != 0 {
			for _, msg := range validation.IsValidPortNum(int(port.HostPort)) {
				allErrs = append(allErrs, field.Invalid(idxPath.Child("hostPort"), port.HostPort, msg))