func ValidateHorizontalPodAutoscalerStatusUpdate(newAutoscaler, oldAutoscaler *autoscaling.HorizontalPodAutoscaler) field.ErrorList {
allErrs := apivalidation.ValidateObjectMetaUpdate(&newAutoscaler.ObjectMeta, &oldAutoscaler.ObjectMeta, field.NewPath("metadata"))
status := newAutoscaler.Status
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.CurrentReplicas), field.NewPath("status", "currentReplicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.DesiredReplicas), field.NewPath("status", "desiredReplicasa"))...)
return allErrs
}
// ValidatePetSetSpec tests if required fields in the PetSet spec are set.
func ValidatePetSetSpec(spec *apps.PetSetSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
if spec.Selector == nil {
allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
} else {
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is not valid for petset."))
}
}
selector, err := unversioned.LabelSelectorAsSelector(spec.Selector)
if err != nil {
allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, ""))
} else {
allErrs = append(allErrs, ValidatePodTemplateSpecForPetSet(&spec.Template, selector, fldPath.Child("template"))...)
}
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
}
// ValidatePetSetUpdate tests if required fields in the PetSet are set.
func ValidatePetSetUpdate(petSet, oldPetSet *apps.PetSet) field.ErrorList {
allErrs := field.ErrorList{}
// TODO: For now we're taking the safe route and disallowing all updates to spec except for Spec.Replicas.
// Enable on a case by case basis.
restoreReplicas := petSet.Spec.Replicas
petSet.Spec.Replicas = oldPetSet.Spec.Replicas
// The generation changes for this update
restoreGeneration := petSet.Generation
petSet.Generation = oldPetSet.Generation
if !reflect.DeepEqual(petSet, oldPetSet) {
allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to petset spec for fields other than 'replicas' are forbidden."))
}
petSet.Spec.Replicas = restoreReplicas
petSet.Generation = restoreGeneration
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(petSet.Spec.Replicas), field.NewPath("spec", "replicas"))...)
return allErrs
}
