func validateHTTPIngressRuleValue(httpIngressRuleValue *extensions.HTTPIngressRuleValue, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} if len(httpIngressRuleValue.Paths) == 0 { allErrs = append(allErrs, field.Required(fldPath.Child("paths"), "")) } for i, rule := range httpIngressRuleValue.Paths { if len(rule.Path) > 0 { if !strings.HasPrefix(rule.Path, "/") { allErrs = append(allErrs, field.Invalid(fldPath.Child("paths").Index(i).Child("path"), rule.Path, "must be an absolute path")) } // TODO: More draconian path regex validation. // Path must be a valid regex. This is the basic requirement. // In addition to this any characters not allowed in a path per // RFC 3986 section-3.3 cannot appear as a literal in the regex. // Consider the example: http://host/valid?#bar, everything after // the last '/' is a valid regex that matches valid#bar, which // isn't a valid path, because the path terminates at the first ? // or #. A more sophisticated form of validation would detect that // the user is confusing url regexes with path regexes. _, err := regexp.CompilePOSIX(rule.Path) if err != nil { allErrs = append(allErrs, field.Invalid(fldPath.Child("paths").Index(i).Child("path"), rule.Path, "must be a valid regex")) } } allErrs = append(allErrs, validateIngressBackend(&rule.Backend, fldPath.Child("backend"))...) } return allErrs }
func ValidateClusterAutoscaler(autoscaler *extensions.ClusterAutoscaler) field.ErrorList { allErrs := field.ErrorList{} if autoscaler.Name != "ClusterAutoscaler" { allErrs = append(allErrs, field.Invalid(field.NewPath("metadata", "name"), autoscaler.Name, "must be 'ClusterAutoscaler'")) } if autoscaler.Namespace != api.NamespaceDefault { allErrs = append(allErrs, field.Invalid(field.NewPath("metadata", "namespace"), autoscaler.Namespace, "must be 'default'")) } allErrs = append(allErrs, validateClusterAutoscalerSpec(autoscaler.Spec, field.NewPath("spec"))...) return allErrs }
func ValidateJobSpec(spec *extensions.JobSpec, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} if spec.Parallelism != nil { allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(*spec.Parallelism), fldPath.Child("parallelism"))...) } if spec.Completions != nil { allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(*spec.Completions), fldPath.Child("completions"))...) } if spec.ActiveDeadlineSeconds != nil { allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(*spec.ActiveDeadlineSeconds), fldPath.Child("activeDeadlineSeconds"))...) } if spec.Selector == nil { allErrs = append(allErrs, field.Required(fldPath.Child("selector"), "")) } else { allErrs = append(allErrs, ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...) } if selector, err := extensions.LabelSelectorAsSelector(spec.Selector); err == nil { labels := labels.Set(spec.Template.Labels) if !selector.Matches(labels) { allErrs = append(allErrs, field.Invalid(fldPath.Child("template", "metadata", "labels"), spec.Template.Labels, "`selector` does not match template `labels`")) } } allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(&spec.Template, fldPath.Child("template"))...) if spec.Template.Spec.RestartPolicy != api.RestartPolicyOnFailure && spec.Template.Spec.RestartPolicy != api.RestartPolicyNever { allErrs = append(allErrs, field.NotSupported(fldPath.Child("template", "spec", "restartPolicy"), spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyOnFailure), string(api.RestartPolicyNever)})) } return allErrs }
// ValidateDaemonSetSpec tests if required fields in the DaemonSetSpec are set. func ValidateDaemonSetSpec(spec *extensions.DaemonSetSpec, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} allErrs = append(allErrs, ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...) if spec.Template == nil { allErrs = append(allErrs, field.Required(fldPath.Child("template"), "")) return allErrs } selector, err := extensions.LabelSelectorAsSelector(spec.Selector) if err == nil && !selector.Matches(labels.Set(spec.Template.Labels)) { allErrs = append(allErrs, field.Invalid(fldPath.Child("template", "metadata", "labels"), spec.Template.Labels, "`selector` does not match template `labels`")) } allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(spec.Template, fldPath.Child("template"))...) // Daemons typically run on more than one node, so mark Read-Write persistent disks as invalid. allErrs = append(allErrs, apivalidation.ValidateReadOnlyPersistentDisks(spec.Template.Spec.Volumes, fldPath.Child("template", "spec", "volumes"))...) // RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec(). if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways { allErrs = append(allErrs, field.NotSupported(fldPath.Child("template", "spec", "restartPolicy"), spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)})) } return allErrs }
func IsNotMoreThan100Percent(intOrStringValue intstr.IntOrString, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} value, isPercent := getPercentValue(intOrStringValue) if !isPercent || value <= 100 { return nil } allErrs = append(allErrs, field.Invalid(fldPath, intOrStringValue, "must not be greater than 100%")) return allErrs }
func ValidateScale(scale *extensions.Scale) field.ErrorList { allErrs := field.ErrorList{} allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&scale.ObjectMeta, true, apivalidation.NameIsDNSSubdomain, field.NewPath("metadata"))...) if scale.Spec.Replicas < 0 { allErrs = append(allErrs, field.Invalid(field.NewPath("spec", "replicas"), scale.Spec.Replicas, "must be greater than or equal to 0")) } return allErrs }
// ValidateEvent makes sure that the event makes sense. func ValidateEvent(event *api.Event) field.ErrorList { allErrs := field.ErrorList{} // There is no namespace required for node. // However, older client code accidentally sets event.Namespace // to api.NamespaceDefault, so we accept that too, but "" is preferred. if event.InvolvedObject.Kind == "Node" && event.Namespace != api.NamespaceDefault && event.Namespace != "" { allErrs = append(allErrs, field.Invalid(field.NewPath("involvedObject", "namespace"), event.InvolvedObject.Namespace, "not allowed for node")) } if event.InvolvedObject.Kind != "Node" && event.Namespace != event.InvolvedObject.Namespace { allErrs = append(allErrs, field.Invalid(field.NewPath("involvedObject", "namespace"), event.InvolvedObject.Namespace, "does not match involvedObject")) } if !validation.IsDNS1123Subdomain(event.Namespace) { allErrs = append(allErrs, field.Invalid(field.NewPath("namespace"), event.Namespace, "")) } return allErrs }
func ValidatePositiveIntOrPercent(intOrPercent intstr.IntOrString, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} if intOrPercent.Type == intstr.String { if !validation.IsValidPercent(intOrPercent.StrVal) { allErrs = append(allErrs, field.Invalid(fldPath, intOrPercent, "must be an integer or percentage (e.g '5%')")) } } else if intOrPercent.Type == intstr.Int { allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(intOrPercent.IntValue()), fldPath)...) } return allErrs }
func validateIngressRules(IngressRules []extensions.IngressRule, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} if len(IngressRules) == 0 { return append(allErrs, field.Required(fldPath, "")) } for i, ih := range IngressRules { if len(ih.Host) > 0 { // TODO: Ports and ips are allowed in the host part of a url // according to RFC 3986, consider allowing them. if valid, errMsg := apivalidation.NameIsDNSSubdomain(ih.Host, false); !valid { allErrs = append(allErrs, field.Invalid(fldPath.Index(i).Child("host"), ih.Host, errMsg)) } if isIP := (net.ParseIP(ih.Host) != nil); isIP { allErrs = append(allErrs, field.Invalid(fldPath.Index(i).Child("host"), ih.Host, "must be a DNS name, not an IP address")) } } allErrs = append(allErrs, validateIngressRuleValue(&ih.IngressRuleValue, fldPath.Index(0))...) } return allErrs }
// ValidateConfigMap tests whether required fields in the ConfigMap are set. func ValidateConfigMap(cfg *extensions.ConfigMap) field.ErrorList { allErrs := field.ErrorList{} allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&cfg.ObjectMeta, true, ValidateConfigMapName, field.NewPath("metadata"))...) for key := range cfg.Data { if !apivalidation.IsSecretKey(key) { allErrs = append(allErrs, field.Invalid(field.NewPath("data").Key(key), key, fmt.Sprintf("must have at most %d characters and match regex %s", validation.DNS1123SubdomainMaxLength, apivalidation.SecretKeyFmt))) } } return allErrs }
func ValidateSubresourceReference(ref extensions.SubresourceReference, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} if len(ref.Kind) == 0 { allErrs = append(allErrs, field.Required(fldPath.Child("kind"), "")) } else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Kind); !ok { allErrs = append(allErrs, field.Invalid(fldPath.Child("kind"), ref.Kind, msg)) } if len(ref.Name) == 0 { allErrs = append(allErrs, field.Required(fldPath.Child("name"), "")) } else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Name); !ok { allErrs = append(allErrs, field.Invalid(fldPath.Child("name"), ref.Name, msg)) } if len(ref.Subresource) == 0 { allErrs = append(allErrs, field.Required(fldPath.Child("subresource"), "")) } else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Subresource); !ok { allErrs = append(allErrs, field.Invalid(fldPath.Child("subresource"), ref.Subresource, msg)) } return allErrs }
// validateIngressBackend tests if a given backend is valid. func validateIngressBackend(backend *extensions.IngressBackend, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} // All backends must reference a single local service by name, and a single service port by name or number. if len(backend.ServiceName) == 0 { return append(allErrs, field.Required(fldPath.Child("serviceName"), "")) } else if ok, errMsg := apivalidation.ValidateServiceName(backend.ServiceName, false); !ok { allErrs = append(allErrs, field.Invalid(fldPath.Child("serviceName"), backend.ServiceName, errMsg)) } if backend.ServicePort.Type == intstr.String { if !validation.IsDNS1123Label(backend.ServicePort.StrVal) { allErrs = append(allErrs, field.Invalid(fldPath.Child("servicePort"), backend.ServicePort.StrVal, apivalidation.DNS1123LabelErrorMsg)) } if !validation.IsValidPortName(backend.ServicePort.StrVal) { allErrs = append(allErrs, field.Invalid(fldPath.Child("servicePort"), backend.ServicePort.StrVal, apivalidation.PortNameErrorMsg)) } } else if !validation.IsValidPortNum(backend.ServicePort.IntValue()) { allErrs = append(allErrs, field.Invalid(fldPath.Child("servicePort"), backend.ServicePort, apivalidation.PortRangeErrorMsg)) } return allErrs }
func validateHorizontalPodAutoscalerSpec(autoscaler extensions.HorizontalPodAutoscalerSpec, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} if autoscaler.MinReplicas != nil && *autoscaler.MinReplicas < 1 { allErrs = append(allErrs, field.Invalid(fldPath.Child("minReplicas"), *autoscaler.MinReplicas, "must be greater than 0")) } if autoscaler.MaxReplicas < 1 { allErrs = append(allErrs, field.Invalid(fldPath.Child("maxReplicas"), autoscaler.MaxReplicas, "must be greater than 0")) } if autoscaler.MinReplicas != nil && autoscaler.MaxReplicas < *autoscaler.MinReplicas { allErrs = append(allErrs, field.Invalid(fldPath.Child("maxReplicas"), autoscaler.MaxReplicas, "must be greater than or equal to `minReplicas`")) } if autoscaler.CPUUtilization != nil && autoscaler.CPUUtilization.TargetPercentage < 1 { allErrs = append(allErrs, field.Invalid(fldPath.Child("cpuUtilization", "targetPercentage"), autoscaler.CPUUtilization.TargetPercentage, "must be greater than 0")) } if refErrs := ValidateSubresourceReference(autoscaler.ScaleRef, fldPath.Child("scaleRef")); len(refErrs) > 0 { allErrs = append(allErrs, refErrs...) } else if autoscaler.ScaleRef.Subresource != "scale" { allErrs = append(allErrs, field.NotSupported(fldPath.Child("scaleRef", "subresource"), autoscaler.ScaleRef.Subresource, []string{"scale"})) } return allErrs }
func ValidateRollingUpdateDeployment(rollingUpdate *extensions.RollingUpdateDeployment, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...) allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxSurge, fldPath.Child("maxSurge"))...) if getIntOrPercentValue(rollingUpdate.MaxUnavailable) == 0 && getIntOrPercentValue(rollingUpdate.MaxSurge) == 0 { // Both MaxSurge and MaxUnavailable cannot be zero. allErrs = append(allErrs, field.Invalid(fldPath.Child("maxUnavailable"), rollingUpdate.MaxUnavailable, "may not be 0 when `maxSurge` is 0")) } // Validate that MaxUnavailable is not more than 100%. allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...) allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(rollingUpdate.MinReadySeconds), fldPath.Child("minReadySeconds"))...) return allErrs }
// ValidateIngressSpec tests if required fields in the IngressSpec are set. func ValidateIngressSpec(spec *extensions.IngressSpec, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} // TODO: Is a default backend mandatory? if spec.Backend != nil { allErrs = append(allErrs, validateIngressBackend(spec.Backend, fldPath.Child("backend"))...) } else if len(spec.Rules) == 0 { allErrs = append(allErrs, field.Invalid(fldPath, spec.Rules, "either `backend` or `rules` must be specified")) } if len(spec.Rules) > 0 { allErrs = append(allErrs, validateIngressRules(spec.Rules, fldPath.Child("rules"))...) } return allErrs }
func validateClusterAutoscalerSpec(spec extensions.ClusterAutoscalerSpec, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} if spec.MinNodes < 0 { allErrs = append(allErrs, field.Invalid(fldPath.Child("minNodes"), spec.MinNodes, "must be greater than or equal to 0")) } if spec.MaxNodes < spec.MinNodes { allErrs = append(allErrs, field.Invalid(fldPath.Child("maxNodes"), spec.MaxNodes, "must be greater than or equal to `minNodes`")) } if len(spec.TargetUtilization) == 0 { allErrs = append(allErrs, field.Required(fldPath.Child("targetUtilization"), "")) } for _, target := range spec.TargetUtilization { if len(target.Resource) == 0 { allErrs = append(allErrs, field.Required(fldPath.Child("targetUtilization", "resource"), "")) } if target.Value <= 0 { allErrs = append(allErrs, field.Invalid(fldPath.Child("targetUtilization", "value"), target.Value, "must be greater than 0")) } if target.Value > 1 { allErrs = append(allErrs, field.Invalid(fldPath.Child("targetUtilization", "value"), target.Value, "must be less than or equal to 1")) } } return allErrs }
func ValidateLabelSelectorRequirement(sr extensions.LabelSelectorRequirement, fldPath *field.Path) field.ErrorList { allErrs := field.ErrorList{} switch sr.Operator { case extensions.LabelSelectorOpIn, extensions.LabelSelectorOpNotIn: if len(sr.Values) == 0 { allErrs = append(allErrs, field.Required(fldPath.Child("values"), "must be specified when `operator` is 'In' or 'NotIn'")) } case extensions.LabelSelectorOpExists, extensions.LabelSelectorOpDoesNotExist: if len(sr.Values) > 0 { allErrs = append(allErrs, field.Forbidden(fldPath.Child("values"), "may not be specified when `operator` is 'Exists' or 'DoesNotExist'")) } default: allErrs = append(allErrs, field.Invalid(fldPath.Child("operator"), sr.Operator, "not a valid selector operator")) } allErrs = append(allErrs, apivalidation.ValidateLabelName(sr.Key, fldPath.Child("key"))...) return allErrs }
func ValidateThirdPartyResource(obj *extensions.ThirdPartyResource) field.ErrorList { allErrs := field.ErrorList{} allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&obj.ObjectMeta, true, ValidateThirdPartyResourceName, field.NewPath("metadata"))...) versions := sets.String{} for ix := range obj.Versions { version := &obj.Versions[ix] if len(version.Name) == 0 { allErrs = append(allErrs, field.Invalid(field.NewPath("versions").Index(ix).Child("name"), version, "must not be empty")) } if versions.Has(version.Name) { allErrs = append(allErrs, field.Duplicate(field.NewPath("versions").Index(ix).Child("name"), version)) } versions.Insert(version.Name) } return allErrs }