if config == nil {
		return fmt.Errorf("nil EnvoyExternalAuthorizationHttpProvider")
	}
	if err := ValidatePort(int(config.Port)); err != nil {
		errs = AppendErrors(errs, err)
	}
	if err := validateExtensionProviderService(config.Service); err != nil {
		errs = AppendErrors(errs, err)
	}

	if drainDuration%time.Second != 0 {
		errs = multierror.Append(errs,
			errors.New("drain time only supports durations to seconds precision"))
	}
	return
}

// ValidatePort checks that the network port is in range
func ValidatePort(port int) error {
	if 1 <= port && port <= 65535 {
		return nil
	}
	return fmt.Errorf("port number %d must be in the range 1..65535", port)
}

	allErrs := field.ErrorList{}
	if netutils.ParseIPSloppy(ipaddr) == nil {
		allErrs = append(allErrs, field.Invalid(fldPath, ipaddr, "ip address is not valid"))
	}
	return allErrs
}

// ValidatePort validates port numbers
func ValidatePort(port int32, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	if _, err := kubeadmutil.ParsePort(strconv.Itoa(int(port))); err != nil {

func TestValidatePort(t *testing.T) {
	ports := map[int]bool{
		0:     false,
		65536: false,
		-1:    false,
		100:   true,
		1000:  true,
		65535: true,
	}
	for port, valid := range ports {
		if got := ValidatePort(port); (got == nil) != valid {
			t.Errorf("Failed: got valid=%t but wanted valid=%t: %v for %d", got == nil, valid, got, port)
		}
	}
}

func TestValidateControlPlaneAuthPolicy(t *testing.T) {
	cases := []struct {

		{"valid value port", 300, false},
		{"maximum valid value port", 65535, false},
		{"if port greater than 65535", 65538, true},
	}
	for _, rt := range tests {
		t.Run(rt.name, func(t *testing.T) {
			allErrs := ValidatePort(rt.port, nil)
			if len(allErrs) > 0 {
				find := strings.Contains(allErrs[0].Error(), "port number is not valid")
				if find != rt.expectedErr {
					t.Errorf(

    int lastIndex = parts.size() - 1;

    // Validate the last part specially, as it has different syntax rules.

    if (!validatePart(parts.get(lastIndex), true)) {
      return false;
    }

    for (int i = 0; i < lastIndex; i++) {
      String part = parts.get(i);
      if (!validatePart(part, false)) {
        return false;
      }
    }

    return true;
  }

    int lastIndex = parts.size() - 1;

    // Validate the last part specially, as it has different syntax rules.

    if (!validatePart(parts.get(lastIndex), true)) {
      return false;
    }

    for (int i = 0; i < lastIndex; i++) {
      String part = parts.get(i);
      if (!validatePart(part, false)) {
        return false;
      }
    }

    return true;
  }

)&&c.valAttr("skipped",!0)})}function f(b){var c={se:"sv",cz:"cs",dk:"da"};if(b.lang in c){var d=c[b.lang];a.formUtils.warn('Deprecated use of lang code "'+b.lang+'" use "'+d+'" instead'),b.lang=d}}a.fn.validateForm=function(b,c){return a.formUtils.warn("Use of deprecated function $.validateForm, use $.isValid instead"),this.isValid(b,c,!0)},a(window).on("formValidationPluginInit",function(a,b){f(b),c(b),d(b)}).on("validatorsLoaded formValidationSetup",function(b,c){c||(c=a("form")),e(c)})}(a),function(a){"use...