func validateHTTPIngressRuleValue(httpIngressRuleValue *extensions.HTTPIngressRuleValue) validation.ErrorList {
allErrs := validation.ErrorList{}
if len(httpIngressRuleValue.Paths) == 0 {
allErrs = append(allErrs, validation.NewRequiredError("paths"))
}
for _, rule := range httpIngressRuleValue.Paths {
if len(rule.Path) > 0 {
if !strings.HasPrefix(rule.Path, "/") {
allErrs = append(allErrs, validation.NewInvalidError("path", rule.Path, "path must begin with /"))
}
// 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, validation.NewInvalidError("path", rule.Path, "httpIngressRuleValue.path must be a valid regex."))
}
}
allErrs = append(allErrs, validateIngressBackend(&rule.Backend).Prefix("backend")...)
}
return allErrs
}
func ValidateClusterAutoscaler(autoscaler *extensions.ClusterAutoscaler) validation.ErrorList {
allErrs := validation.ErrorList{}
if autoscaler.Name != "ClusterAutoscaler" {
allErrs = append(allErrs, validation.NewInvalidError("name", autoscaler.Name, `name must be ClusterAutoscaler`))
}
if autoscaler.Namespace != api.NamespaceDefault {
allErrs = append(allErrs, validation.NewInvalidError("namespace", autoscaler.Namespace, `namespace must be default`))
}
allErrs = append(allErrs, validateClusterAutoscalerSpec(autoscaler.Spec)...)
return allErrs
}
func ValidateJobSpec(spec *extensions.JobSpec) validation.ErrorList {
allErrs := validation.ErrorList{}
if spec.Parallelism != nil {
allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(*spec.Parallelism), "parallelism")...)
}
if spec.Completions != nil {
allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(*spec.Completions), "completions")...)
}
if spec.Selector == nil {
allErrs = append(allErrs, validation.NewRequiredError("selector"))
} else {
allErrs = append(allErrs, ValidatePodSelector(spec.Selector).Prefix("selector")...)
}
if selector, err := extensions.PodSelectorAsSelector(spec.Selector); err == nil {
labels := labels.Set(spec.Template.Labels)
if !selector.Matches(labels) {
allErrs = append(allErrs, validation.NewInvalidError("template.metadata.labels", spec.Template.Labels, "selector does not match template"))
}
}
allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(&spec.Template).Prefix("template")...)
if spec.Template.Spec.RestartPolicy != api.RestartPolicyOnFailure &&
spec.Template.Spec.RestartPolicy != api.RestartPolicyNever {
allErrs = append(allErrs, validation.NewNotSupportedError("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) validation.ErrorList {
allErrs := validation.ErrorList{}
allErrs = append(allErrs, ValidatePodSelector(spec.Selector)...)
if spec.Template == nil {
allErrs = append(allErrs, validation.NewRequiredError("template"))
return allErrs
}
selector, err := extensions.PodSelectorAsSelector(spec.Selector)
if err == nil && !selector.Matches(labels.Set(spec.Template.Labels)) {
allErrs = append(allErrs, validation.NewInvalidError("template.metadata.labels", spec.Template.Labels, "selector does not match template"))
}
allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(spec.Template).Prefix("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).Prefix("template.spec.volumes")...)
// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
allErrs = append(allErrs, validation.NewNotSupportedError("template.spec.restartPolicy", spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
}
return allErrs
}
func ValidateThirdPartyResourceData(obj *extensions.ThirdPartyResourceData) validation.ErrorList {
allErrs := validation.ErrorList{}
if len(obj.Name) == 0 {
allErrs = append(allErrs, validation.NewInvalidError("name", obj.Name, "name must be non-empty"))
}
return allErrs
}
// ValidateEvent makes sure that the event makes sense.
func ValidateEvent(event *api.Event) validation.ErrorList {
allErrs := validation.ErrorList{}
// There is no namespace required for node.
if event.InvolvedObject.Kind == "Node" &&
event.Namespace != "" {
allErrs = append(allErrs, validation.NewInvalidError("involvedObject.namespace", event.InvolvedObject.Namespace, "namespace is not required for node"))
}
if event.InvolvedObject.Kind != "Node" &&
event.Namespace != event.InvolvedObject.Namespace {
allErrs = append(allErrs, validation.NewInvalidError("involvedObject.namespace", event.InvolvedObject.Namespace, "namespace does not match involvedObject"))
}
if !validation.IsDNS1123Subdomain(event.Namespace) {
allErrs = append(allErrs, validation.NewInvalidError("namespace", event.Namespace, ""))
}
return allErrs
}
func ValidatePodSelectorRequirement(sr extensions.PodSelectorRequirement) validation.ErrorList {
allErrs := validation.ErrorList{}
switch sr.Operator {
case extensions.PodSelectorOpIn, extensions.PodSelectorOpNotIn:
if len(sr.Values) == 0 {
allErrs = append(allErrs, validation.NewInvalidError("values", sr.Values, "must be non-empty when operator is In or NotIn"))
}
case extensions.PodSelectorOpExists, extensions.PodSelectorOpDoesNotExist:
if len(sr.Values) > 0 {
allErrs = append(allErrs, validation.NewInvalidError("values", sr.Values, "must be empty when operator is Exists or DoesNotExist"))
}
default:
allErrs = append(allErrs, validation.NewInvalidError("operator", sr.Operator, "not a valid pod selector operator"))
}
allErrs = append(allErrs, apivalidation.ValidateLabelName(sr.Key, "key")...)
return allErrs
}
func IsNotMoreThan100Percent(intOrStringValue intstr.IntOrString, fieldName string) validation.ErrorList {
allErrs := validation.ErrorList{}
value, isPercent := getPercentValue(intOrStringValue)
if !isPercent || value <= 100 {
return nil
}
allErrs = append(allErrs, validation.NewInvalidError(fieldName, intOrStringValue, "should not be more than 100%"))
return allErrs
}
func ValidateScale(scale *extensions.Scale) validation.ErrorList {
allErrs := validation.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&scale.ObjectMeta, true, apivalidation.NameIsDNSSubdomain).Prefix("metadata")...)
if scale.Spec.Replicas < 0 {
allErrs = append(allErrs, validation.NewInvalidError("spec.replicas", scale.Spec.Replicas, "must be non-negative"))
}
return allErrs
}
func validateIngressRules(IngressRules []extensions.IngressRule) validation.ErrorList {
allErrs := validation.ErrorList{}
if len(IngressRules) == 0 {
return append(allErrs, validation.NewRequiredError("IngressRules"))
}
for _, 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, validation.NewInvalidError("host", ih.Host, errMsg))
}
if isIP := (net.ParseIP(ih.Host) != nil); isIP {
allErrs = append(allErrs, validation.NewInvalidError("host", ih.Host, "Host must be a DNS name, not ip address"))
}
}
allErrs = append(allErrs, validateIngressRuleValue(&ih.IngressRuleValue).Prefix("ingressRule")...)
}
return allErrs
}
func ValidatePositiveIntOrPercent(intOrPercent intstr.IntOrString, fieldName string) validation.ErrorList {
allErrs := validation.ErrorList{}
if intOrPercent.Type == intstr.String {
if !validation.IsValidPercent(intOrPercent.StrVal) {
allErrs = append(allErrs, validation.NewInvalidError(fieldName, intOrPercent, "value should be int(5) or percentage(5%)"))
}
} else if intOrPercent.Type == intstr.Int {
allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(intOrPercent.IntVal), fieldName)...)
}
return allErrs
}
func ValidateSubresourceReference(ref extensions.SubresourceReference) validation.ErrorList {
allErrs := validation.ErrorList{}
if len(ref.Kind) == 0 {
allErrs = append(allErrs, validation.NewRequiredError("kind"))
} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Kind); !ok {
allErrs = append(allErrs, validation.NewInvalidError("kind", ref.Kind, msg))
}
if len(ref.Name) == 0 {
allErrs = append(allErrs, validation.NewRequiredError("name"))
} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Name); !ok {
allErrs = append(allErrs, validation.NewInvalidError("name", ref.Name, msg))
}
if len(ref.Subresource) == 0 {
allErrs = append(allErrs, validation.NewRequiredError("subresource"))
} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Subresource); !ok {
allErrs = append(allErrs, validation.NewInvalidError("subresource", ref.Subresource, msg))
}
return allErrs
}
// validateIngressBackend tests if a given backend is valid.
func validateIngressBackend(backend *extensions.IngressBackend) validation.ErrorList {
allErrs := validation.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, validation.NewRequiredError("serviceName"))
} else if ok, errMsg := apivalidation.ValidateServiceName(backend.ServiceName, false); !ok {
allErrs = append(allErrs, validation.NewInvalidError("serviceName", backend.ServiceName, errMsg))
}
if backend.ServicePort.Type == intstr.String {
if !validation.IsDNS1123Label(backend.ServicePort.StrVal) {
allErrs = append(allErrs, validation.NewInvalidError("servicePort", backend.ServicePort.StrVal, apivalidation.DNS1123LabelErrorMsg))
}
if !validation.IsValidPortName(backend.ServicePort.StrVal) {
allErrs = append(allErrs, validation.NewInvalidError("servicePort", backend.ServicePort.StrVal, apivalidation.PortNameErrorMsg))
}
} else if !validation.IsValidPortNum(backend.ServicePort.IntValue()) {
allErrs = append(allErrs, validation.NewInvalidError("servicePort", backend.ServicePort, apivalidation.PortRangeErrorMsg))
}
return allErrs
}
func validateHorizontalPodAutoscalerSpec(autoscaler extensions.HorizontalPodAutoscalerSpec) validation.ErrorList {
allErrs := validation.ErrorList{}
if autoscaler.MinReplicas != nil && *autoscaler.MinReplicas < 1 {
allErrs = append(allErrs, validation.NewInvalidError("minReplicas", autoscaler.MinReplicas, `must be bigger or equal to 1`))
}
if autoscaler.MaxReplicas < 1 {
allErrs = append(allErrs, validation.NewInvalidError("maxReplicas", autoscaler.MaxReplicas, `must be bigger or equal to 1`))
}
if autoscaler.MinReplicas != nil && autoscaler.MaxReplicas < *autoscaler.MinReplicas {
allErrs = append(allErrs, validation.NewInvalidError("maxReplicas", autoscaler.MaxReplicas, `must be bigger or equal to minReplicas`))
}
if autoscaler.CPUUtilization != nil && autoscaler.CPUUtilization.TargetPercentage < 1 {
allErrs = append(allErrs, validation.NewInvalidError("cpuUtilization.targetPercentage", autoscaler.CPUUtilization.TargetPercentage, `must be bigger or equal to 1`))
}
if refErrs := ValidateSubresourceReference(autoscaler.ScaleRef); len(refErrs) > 0 {
allErrs = append(allErrs, refErrs.Prefix("scaleRef")...)
} else if autoscaler.ScaleRef.Subresource != "scale" {
allErrs = append(allErrs, validation.NewNotSupportedError("scaleRef.subresource", autoscaler.ScaleRef.Subresource, []string{"scale"}))
}
return allErrs
}
// ValidateDaemonSetTemplateUpdate tests that certain fields in the daemon set's pod template are not updated.
func ValidateDaemonSetTemplateUpdate(podTemplate, oldPodTemplate *api.PodTemplateSpec) validation.ErrorList {
allErrs := validation.ErrorList{}
podSpec := podTemplate.Spec
// podTemplate.Spec is not a pointer, so we can modify NodeSelector and NodeName directly.
podSpec.NodeSelector = oldPodTemplate.Spec.NodeSelector
podSpec.NodeName = oldPodTemplate.Spec.NodeName
// In particular, we do not allow updates to container images at this point.
if !api.Semantic.DeepEqual(oldPodTemplate.Spec, podSpec) {
// TODO: Pinpoint the specific field that causes the invalid error after we have strategic merge diff
allErrs = append(allErrs, validation.NewInvalidError("spec", "content of spec is not printed out, please refer to the \"details\"", "may not update fields other than spec.nodeSelector"))
}
return allErrs
}
func ValidateRollingUpdateDeployment(rollingUpdate *extensions.RollingUpdateDeployment, fieldName string) validation.ErrorList {
allErrs := validation.ErrorList{}
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fieldName+"maxUnavailable")...)
allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxSurge, fieldName+".maxSurge")...)
if getIntOrPercentValue(rollingUpdate.MaxUnavailable) == 0 && getIntOrPercentValue(rollingUpdate.MaxSurge) == 0 {
// Both MaxSurge and MaxUnavailable cannot be zero.
allErrs = append(allErrs, validation.NewInvalidError(fieldName+".maxUnavailable", rollingUpdate.MaxUnavailable, "cannot be 0 when maxSurge is 0 as well"))
}
// Validate that MaxUnavailable is not more than 100%.
allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fieldName+".maxUnavailable")...)
allErrs = append(allErrs, apivalidation.ValidatePositiveField(int64(rollingUpdate.MinReadySeconds), fieldName+".minReadySeconds")...)
return allErrs
}
// ValidateIngressSpec tests if required fields in the IngressSpec are set.
func ValidateIngressSpec(spec *extensions.IngressSpec) validation.ErrorList {
allErrs := validation.ErrorList{}
// TODO: Is a default backend mandatory?
if spec.Backend != nil {
allErrs = append(allErrs, validateIngressBackend(spec.Backend).Prefix("backend")...)
} else if len(spec.Rules) == 0 {
allErrs = append(allErrs, validation.NewInvalidError("rules", spec.Rules, "Either a default backend or a set of host rules are required for ingress."))
}
if len(spec.Rules) > 0 {
allErrs = append(allErrs, validateIngressRules(spec.Rules).Prefix("rules")...)
}
return allErrs
}
func validateClusterAutoscalerSpec(spec extensions.ClusterAutoscalerSpec) validation.ErrorList {
allErrs := validation.ErrorList{}
if spec.MinNodes < 0 {
allErrs = append(allErrs, validation.NewInvalidError("minNodes", spec.MinNodes, `must be non-negative`))
}
if spec.MaxNodes < spec.MinNodes {
allErrs = append(allErrs, validation.NewInvalidError("maxNodes", spec.MaxNodes, `must be bigger or equal to minNodes`))
}
if len(spec.TargetUtilization) == 0 {
allErrs = append(allErrs, validation.NewRequiredError("targetUtilization"))
}
for _, target := range spec.TargetUtilization {
if len(target.Resource) == 0 {
allErrs = append(allErrs, validation.NewRequiredError("targetUtilization.resource"))
}
if target.Value <= 0 {
allErrs = append(allErrs, validation.NewInvalidError("targetUtilization.value", target.Value, "must be greater than 0"))
}
if target.Value > 1 {
allErrs = append(allErrs, validation.NewInvalidError("targetUtilization.value", target.Value, "must be less or equal 1"))
}
}
return allErrs
}
func ValidateThirdPartyResource(obj *extensions.ThirdPartyResource) validation.ErrorList {
allErrs := validation.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&obj.ObjectMeta, true, ValidateThirdPartyResourceName).Prefix("metadata")...)
versions := sets.String{}
for ix := range obj.Versions {
version := &obj.Versions[ix]
if len(version.Name) == 0 {
allErrs = append(allErrs, validation.NewInvalidError("name", version, "name can not be empty"))
}
if versions.Has(version.Name) {
allErrs = append(allErrs, validation.NewDuplicateError("version", version))
}
versions.Insert(version.Name)
}
return allErrs
}