Golang errors.NewFieldRequired函数代码示例

// ValidateReplicationControllerSpec tests if required fields in the replication controller spec are set.
func ValidateReplicationControllerSpec(spec *api.ReplicationControllerSpec) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}

	selector := labels.Set(spec.Selector).AsSelector()
	if selector.Empty() {
		allErrs = append(allErrs, errs.NewFieldRequired("selector", spec.Selector))
	}
	if spec.Replicas < 0 {
		allErrs = append(allErrs, errs.NewFieldInvalid("replicas", spec.Replicas, ""))
	}

	if spec.Template == nil {
		allErrs = append(allErrs, errs.NewFieldRequired("template", spec.Template))
	} else {
		labels := labels.Set(spec.Template.Labels)
		if !selector.Matches(labels) {
			allErrs = append(allErrs, errs.NewFieldInvalid("template.labels", spec.Template.Labels, "selector does not match template"))
		}
		allErrs = append(allErrs, ValidatePodTemplateSpec(spec.Template).Prefix("template")...)
		// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
		if spec.Template.Spec.RestartPolicy.Always == nil {
			// TODO: should probably be Unsupported
			// TODO: api.RestartPolicy should have a String() method for nicer printing
			allErrs = append(allErrs, errs.NewFieldInvalid("template.restartPolicy", spec.Template.Spec.RestartPolicy, "must be Always"))
		}
	}
	return allErrs
}

func validateContainers(containers []api.Container, volumes util.StringSet) errs.ErrorList {
	allErrs := errs.ErrorList{}

	allNames := util.StringSet{}
	for i := range containers {
		cErrs := errs.ErrorList{}
		ctr := &containers[i] // so we can set default values
		if len(ctr.Name) == 0 {
			cErrs = append(cErrs, errs.NewFieldRequired("name", ctr.Name))
		} else if !util.IsDNSLabel(ctr.Name) {
			cErrs = append(cErrs, errs.NewFieldInvalid("name", ctr.Name))
		} else if allNames.Has(ctr.Name) {
			cErrs = append(cErrs, errs.NewFieldDuplicate("name", ctr.Name))
		} else {
			allNames.Insert(ctr.Name)
		}
		if len(ctr.Image) == 0 {
			cErrs = append(cErrs, errs.NewFieldRequired("image", ctr.Image))
		}
		cErrs = append(cErrs, validatePorts(ctr.Ports).Prefix("ports")...)
		cErrs = append(cErrs, validateEnv(ctr.Env).Prefix("env")...)
		cErrs = append(cErrs, validateVolumeMounts(ctr.VolumeMounts, volumes).Prefix("volumeMounts")...)
		allErrs = append(allErrs, cErrs.PrefixIndex(i)...)
	}
	// Check for colliding ports across all containers.
	// TODO(thockin): This really is dependent on the network config of the host (IP per pod?)
	// and the config of the new manifest.  But we have not specced that out yet, so we'll just
	// make some assumptions for now.  As of now, pods share a network namespace, which means that
	// every Port.HostPort across the whole pod must be unique.
	allErrs = append(allErrs, checkHostPortConflicts(containers)...)

	return allErrs
}

// ValidateReplicationControllerSpec tests if required fields in the replication controller spec are set.
func ValidateReplicationControllerSpec(spec *api.ReplicationControllerSpec) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}

	selector := labels.Set(spec.Selector).AsSelector()
	if selector.Empty() {
		allErrs = append(allErrs, errs.NewFieldRequired("selector"))
	}
	if spec.Replicas < 0 {
		allErrs = append(allErrs, errs.NewFieldInvalid("replicas", spec.Replicas, isNegativeErrorMsg))
	}

	if spec.Template == nil {
		allErrs = append(allErrs, errs.NewFieldRequired("template"))
	} else {
		labels := labels.Set(spec.Template.Labels)
		if !selector.Matches(labels) {
			allErrs = append(allErrs, errs.NewFieldInvalid("template.labels", spec.Template.Labels, "selector does not match template"))
		}
		allErrs = append(allErrs, ValidatePodTemplateSpec(spec.Template, spec.Replicas).Prefix("template")...)
		// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
		if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
			allErrs = append(allErrs, errs.NewFieldNotSupported("template.restartPolicy", spec.Template.Spec.RestartPolicy))
		}
	}
	return allErrs
}

// ValidateObjectMeta validates an object's metadata on creation. It expects that name generation has already
// been performed.
func ValidateObjectMeta(meta *api.ObjectMeta, requiresNamespace bool, nameFn ValidateNameFunc) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}

	if len(meta.GenerateName) != 0 {
		if ok, qualifier := nameFn(meta.GenerateName, true); !ok {
			allErrs = append(allErrs, errs.NewFieldInvalid("generateName", meta.GenerateName, qualifier))
		}
	}
	// if the generated name validates, but the calculated value does not, it's a problem with generation, and we
	// report it here. This may confuse users, but indicates a programming bug and still must be validated.
	if len(meta.Name) == 0 {
		allErrs = append(allErrs, errs.NewFieldRequired("name", meta.Name))
	} else {
		if ok, qualifier := nameFn(meta.Name, false); !ok {
			allErrs = append(allErrs, errs.NewFieldInvalid("name", meta.Name, qualifier))
		}
	}

	if requiresNamespace {
		if len(meta.Namespace) == 0 {
			allErrs = append(allErrs, errs.NewFieldRequired("namespace", meta.Namespace))
		} else if !util.IsDNSSubdomain(meta.Namespace) {
			allErrs = append(allErrs, errs.NewFieldInvalid("namespace", meta.Namespace, dnsSubdomainErrorMsg))
		}
	} else {
		if len(meta.Namespace) != 0 {
			allErrs = append(allErrs, errs.NewFieldInvalid("namespace", meta.Namespace, "namespace is not allowed on this type"))
		}
	}
	allErrs = append(allErrs, ValidateLabels(meta.Labels, "labels")...)
	allErrs = append(allErrs, ValidateAnnotations(meta.Annotations, "annotations")...)

	return allErrs
}

// ValidateService tests if required fields in the service are set.
func ValidateService(service *api.Service) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}
	allErrs = append(allErrs, ValidateObjectMeta(&service.ObjectMeta, true, ValidateServiceName).Prefix("metadata")...)

	if !util.IsValidPortNum(service.Spec.Port) {
		allErrs = append(allErrs, errs.NewFieldInvalid("spec.port", service.Spec.Port, portRangeErrorMsg))
	}
	if len(service.Spec.Protocol) == 0 {
		allErrs = append(allErrs, errs.NewFieldRequired("spec.protocol", service.Spec.Protocol))
	} 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")...)
	}

	if service.Spec.SessionAffinity == "" {
		allErrs = append(allErrs, errs.NewFieldRequired("spec.sessionAffinity", service.Spec.SessionAffinity))
	} else if !supportedSessionAffinityType.Has(string(service.Spec.SessionAffinity)) {
		allErrs = append(allErrs, errs.NewFieldNotSupported("spec.sessionAffinity", service.Spec.SessionAffinity))
	}

	return allErrs
}

func validateHTTPGetAction(http *api.HTTPGetAction) errs.ValidationErrorList {
	allErrors := errs.ValidationErrorList{}
	if len(http.Path) == 0 {
		allErrors = append(allErrors, errs.NewFieldRequired("path"))
	}
	if http.Port.Kind == util.IntstrInt && !util.IsValidPortNum(http.Port.IntVal) {
		allErrors = append(allErrors, errs.NewFieldInvalid("port", http.Port, portRangeErrorMsg))
	} else if http.Port.Kind == util.IntstrString && len(http.Port.StrVal) == 0 {
		allErrors = append(allErrors, errs.NewFieldRequired("port"))
	}
	return allErrors
}

func validateSecretVolumeSource(secretSource *api.SecretVolumeSource) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}
	if secretSource.Target.Name == "" {
		allErrs = append(allErrs, errs.NewFieldRequired("target.name", ""))
	}
	if secretSource.Target.Namespace == "" {
		allErrs = append(allErrs, errs.NewFieldRequired("target.namespace", ""))
	}
	if secretSource.Target.Kind != "Secret" {
		allErrs = append(allErrs, errs.NewFieldInvalid("target.kind", secretSource.Target.Kind, "Secret"))
	}
	return allErrs
}

func validateGCEPersistentDiskVolumeSource(PD *api.GCEPersistentDiskVolumeSource) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}
	if PD.PDName == "" {
		allErrs = append(allErrs, errs.NewFieldRequired("pdName", PD.PDName))
	}
	if PD.FSType == "" {
		allErrs = append(allErrs, errs.NewFieldRequired("fsType", PD.FSType))
	}
	if PD.Partition < 0 || PD.Partition > 255 {
		allErrs = append(allErrs, errs.NewFieldInvalid("partition", PD.Partition, pdPartitionErrorMsg))
	}
	return allErrs
}

func validateGCEPersistentDisk(PD *api.GCEPersistentDisk) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}
	if PD.PDName == "" {
		allErrs = append(allErrs, errs.NewFieldRequired("PD.PDName", PD.PDName))
	}
	if PD.FSType == "" {
		allErrs = append(allErrs, errs.NewFieldRequired("PD.FSType", PD.FSType))
	}
	if PD.Partition < 0 || PD.Partition > 255 {
		allErrs = append(allErrs, errs.NewFieldInvalid("PD.Partition", PD.Partition, ""))
	}
	return allErrs
}

func validateNFS(nfs *api.NFSVolumeSource) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}
	if nfs.Server == "" {
		allErrs = append(allErrs, errs.NewFieldRequired("server"))
	}
	if nfs.Path == "" {
		allErrs = append(allErrs, errs.NewFieldRequired("path"))
	}
	if !path.IsAbs(nfs.Path) {
		allErrs = append(allErrs, errs.NewFieldInvalid("path", nfs.Path, "must be an absolute path"))
	}
	return allErrs
}

// ValidateImage tests required fields for an Image.
func ValidateImage(image *api.Image) errors.ErrorList {
	result := errors.ErrorList{}

	if len(image.ID) == 0 {
		result = append(result, errors.NewFieldRequired("ID", image.ID))
	}

	if len(image.DockerImageReference) == 0 {
		result = append(result, errors.NewFieldRequired("DockerImageReference", image.DockerImageReference))
	}

	return result
}

// 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
}

// ValidateBoundPod tests if required fields on a bound pod are set.
func ValidateBoundPod(pod *api.BoundPod) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}
	if len(pod.Name) == 0 {
		allErrs = append(allErrs, errs.NewFieldRequired("name", pod.Name))
	} else if !util.IsDNSSubdomain(pod.Name) {
		allErrs = append(allErrs, errs.NewFieldInvalid("name", pod.Name, ""))
	}
	if len(pod.Namespace) == 0 {
		allErrs = append(allErrs, errs.NewFieldRequired("namespace", pod.Namespace))
	} else if !util.IsDNSSubdomain(pod.Namespace) {
		allErrs = append(allErrs, errs.NewFieldInvalid("namespace", pod.Namespace, ""))
	}
	allErrs = append(allErrs, ValidatePodSpec(&pod.Spec).Prefix("spec")...)
	return allErrs
}

func validatePorts(ports []api.Port) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}

	allNames := util.StringSet{}
	for i, port := range ports {
		pErrs := errs.ValidationErrorList{}
		if len(port.Name) > 0 {
			if len(port.Name) > util.DNS1123LabelMaxLength || !util.IsDNSLabel(port.Name) {
				pErrs = append(pErrs, errs.NewFieldInvalid("name", port.Name, dnsLabelErrorMsg))
			} else if allNames.Has(port.Name) {
				pErrs = append(pErrs, errs.NewFieldDuplicate("name", port.Name))
			} else {
				allNames.Insert(port.Name)
			}
		}
		if port.ContainerPort == 0 {
			pErrs = append(pErrs, errs.NewFieldInvalid("containerPort", port.ContainerPort, portRangeErrorMsg))
		} else if !util.IsValidPortNum(port.ContainerPort) {
			pErrs = append(pErrs, errs.NewFieldInvalid("containerPort", port.ContainerPort, portRangeErrorMsg))
		}
		if port.HostPort != 0 && !util.IsValidPortNum(port.HostPort) {
			pErrs = append(pErrs, errs.NewFieldInvalid("hostPort", port.HostPort, portRangeErrorMsg))
		}
		if len(port.Protocol) == 0 {
			pErrs = append(pErrs, errs.NewFieldRequired("protocol", port.Protocol))
		} else if !supportedPortProtocols.Has(strings.ToUpper(string(port.Protocol))) {
			pErrs = append(pErrs, errs.NewFieldNotSupported("protocol", port.Protocol))
		}
		allErrs = append(allErrs, pErrs.PrefixIndex(i)...)
	}
	return allErrs
}

func validateGitRepoVolumeSource(gitRepo *api.GitRepoVolumeSource) errs.ValidationErrorList {
	allErrs := errs.ValidationErrorList{}
	if gitRepo.Repository == "" {
		allErrs = append(allErrs, errs.NewFieldRequired("repository"))
	}
	return allErrs
}