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Allow non-patch-updates to replicas

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This commit is contained in:
bprashanth 2016-08-16 14:33:16 -07:00
parent 332edf8bb3
commit 4601ac7643
1 changed files with 5 additions and 7 deletions
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12
pkg/apis/apps/validation/validation.go
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@ -99,22 +99,20 @@ func ValidatePetSet(petSet *apps.PetSet) field.ErrorList {
// ValidatePetSetUpdate tests if required fields in the PetSet are set.
func ValidatePetSetUpdate(petSet, oldPetSet *apps.PetSet) field.ErrorList {
allErrs := field.ErrorList{}
allErrs := apivalidation.ValidateObjectMetaUpdate(&petSet.ObjectMeta, &oldPetSet.ObjectMeta, field.NewPath("metadata"))
// 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) {
if !reflect.DeepEqual(petSet.Spec, oldPetSet.Spec) {
allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to petset spec for fields other than 'replicas' are forbidden."))
}
if !reflect.DeepEqual(petSet.Status, oldPetSet.Status) {
allErrs = append(allErrs, field.Forbidden(field.NewPath("status"), "updates to petset status forbidden."))
}
petSet.Spec.Replicas = restoreReplicas
petSet.Generation = restoreGeneration
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(petSet.Spec.Replicas), field.NewPath("spec", "replicas"))...)
return allErrs
}