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
}