Golang util.IsDNS952Label函數代碼示例

func validateLabels(labels map[string]string) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}
	for k := range labels {
		if !util.IsDNS952Label(k) {
			allErrs = append(allErrs, errs.NewFieldNotSupported("label", k))
		}
	}
	return allErrs
}

// nameIsDNS952Label is a ValidateNameFunc for names that must be a DNS 952 label.
func nameIsDNS952Label(name string, prefix bool) (bool, string) {
	if prefix {
		name = maskTrailingDash(name)
	}
	if util.IsDNS952Label(name) {
		return true, ""
	}
	return false, dns952LabelErrorMsg
}

// ValidateService tests if required fields in the service are set.
func ValidateService(service *Service) []error {
	allErrs := errorList{}
	if service.ID == "" {
		allErrs.Append(makeInvalidError("Service.ID", service.ID))
	} else if !util.IsDNS952Label(service.ID) {
		allErrs.Append(makeInvalidError("Service.ID", service.ID))
	}
	if labels.Set(service.Selector).AsSelector().Empty() {
		allErrs.Append(makeInvalidError("Service.Selector", service.Selector))
	}
	return []error(allErrs)
}

// ValidateService tests if required fields in the service are set.
func ValidateService(service *Service) errs.ErrorList {
	allErrs := errs.ErrorList{}
	if service.ID == "" {
		allErrs = append(allErrs, errs.NewInvalid("Service.ID", service.ID))
	} else if !util.IsDNS952Label(service.ID) {
		allErrs = append(allErrs, errs.NewInvalid("Service.ID", service.ID))
	}
	if labels.Set(service.Selector).AsSelector().Empty() {
		allErrs = append(allErrs, errs.NewInvalid("Service.Selector", service.Selector))
	}
	return allErrs
}

// ValidateService tests if required fields in the service are set.
func ValidateService(service *api.Service) errs.ErrorList {
	allErrs := errs.ErrorList{}
	if len(service.ID) == 0 {
		allErrs = append(allErrs, errs.NewFieldRequired("id", service.ID))
	} else if !util.IsDNS952Label(service.ID) {
		allErrs = append(allErrs, errs.NewFieldInvalid("id", service.ID))
	}
	if !util.IsValidPortNum(service.Port) {
		allErrs = append(allErrs, errs.NewFieldInvalid("Service.Port", service.Port))
	}
	if labels.Set(service.Selector).AsSelector().Empty() {
		allErrs = append(allErrs, errs.NewFieldRequired("selector", service.Selector))
	}
	return allErrs
}

// ValidateService tests if required fields in the service are set.
func ValidateService(service *api.Service, lister ServiceLister, ctx api.Context) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}
	if len(service.Name) == 0 {
		allErrs = append(allErrs, errs.NewFieldRequired("name", service.Name))
	} else if !util.IsDNS952Label(service.Name) {
		allErrs = append(allErrs, errs.NewFieldInvalid("name", service.Name, ""))
	}
	if !util.IsDNSSubdomain(service.Namespace) {
		allErrs = append(allErrs, errs.NewFieldInvalid("namespace", service.Namespace, ""))
	}
	if !util.IsValidPortNum(service.Spec.Port) {
		allErrs = append(allErrs, errs.NewFieldInvalid("spec.port", service.Spec.Port, ""))
	}
	if len(service.Spec.Protocol) == 0 {
		service.Spec.Protocol = "TCP"
	} else if !supportedPortProtocols.Has(strings.ToUpper(string(service.Spec.Protocol))) {
		allErrs = append(allErrs, errs.NewFieldNotSupported("spec.protocol", service.Spec.Protocol))
	}

	if service.Spec.Selector != nil {
		allErrs = append(allErrs, validateLabels(service.Spec.Selector, "spec.selector")...)
	}
	allErrs = append(allErrs, validateLabels(service.Labels, "labels")...)

	if service.Spec.CreateExternalLoadBalancer {
		services, err := lister.ListServices(ctx)
		if err != nil {
			allErrs = append(allErrs, errs.NewInternalError(err))
		} else {
			for i := range services.Items {
				if services.Items[i].Name != service.Name &&
					services.Items[i].Spec.CreateExternalLoadBalancer &&
					services.Items[i].Spec.Port == service.Spec.Port {
					allErrs = append(allErrs, errs.NewConflict("service", service.Name, fmt.Errorf("port: %d is already in use", service.Spec.Port)))
					break
				}
			}
		}
	}
	if service.Spec.SessionAffinity == "" {
		service.Spec.SessionAffinity = api.AffinityTypeNone
	} else if !supportedSessionAffinityType.Has(string(service.Spec.SessionAffinity)) {
		allErrs = append(allErrs, errs.NewFieldNotSupported("spec.sessionAffinity", service.Spec.SessionAffinity))
	}

	return allErrs
}

// ValidateService tests if required fields in the service are set.
func ValidateService(service *api.Service) errs.ErrorList {
	allErrs := errs.ErrorList{}
	if len(service.ID) == 0 {
		allErrs = append(allErrs, errs.NewFieldRequired("id", service.ID))
	} else if !util.IsDNS952Label(service.ID) {
		allErrs = append(allErrs, errs.NewFieldInvalid("id", service.ID))
	}
	if !util.IsValidPortNum(service.Port) {
		allErrs = append(allErrs, errs.NewFieldInvalid("Service.Port", service.Port))
	}
	if len(service.Protocol) == 0 {
		service.Protocol = "TCP"
	} else if !supportedPortProtocols.Has(strings.ToUpper(service.Protocol)) {
		allErrs = append(allErrs, errs.NewFieldNotSupported("protocol", service.Protocol))
	}
	if labels.Set(service.Selector).AsSelector().Empty() {
		allErrs = append(allErrs, errs.NewFieldRequired("selector", service.Selector))
	}
	return allErrs
}

// validateContext looks for errors in the context.  It is not transitive, so errors in the reference authInfo or cluster configs are not included in this return
func validateContext(contextName string, context clientcmdapi.Context, config clientcmdapi.Config) []error {
	validationErrors := make([]error, 0)

	if len(context.AuthInfo) == 0 {
		validationErrors = append(validationErrors, fmt.Errorf("user was not specified for Context %v", contextName))
	} else if _, exists := config.AuthInfos[context.AuthInfo]; !exists {
		validationErrors = append(validationErrors, fmt.Errorf("user, %v, was not found for Context %v", context.AuthInfo, contextName))
	}

	if len(context.Cluster) == 0 {
		validationErrors = append(validationErrors, fmt.Errorf("cluster was not specified for Context %v", contextName))
	} else if _, exists := config.Clusters[context.Cluster]; !exists {
		validationErrors = append(validationErrors, fmt.Errorf("cluster, %v, was not found for Context %v", context.Cluster, contextName))
	}

	if (len(context.Namespace) != 0) && !util.IsDNS952Label(context.Namespace) {
		validationErrors = append(validationErrors, fmt.Errorf("namespace, %v, for context %v, does not conform to the kubernetes DNS952 rules", context.Namespace, contextName))
	}

	return validationErrors
}

// TODO: unify with validation.validateLabels
func validateLabelKey(k string) error {
	if !util.IsDNS952Label(k) {
		return errors.NewFieldNotSupported("key", k)
	}
	return nil
}