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Merge pull request #30386 from derekwaynecarr/fix-pvc-validation

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Automatic merge from submit-queue

Fix pvc requests.storage validation

A `PersistentVolumeClaim` should not be able to request a negative amount of storage.

/cc @kubernetes/sig-storage @kubernetes/rh-cluster-infra @deads2k
This commit is contained in:
Kubernetes Submit Queue 2016-08-19 07:46:03 -07:00 committed by GitHub
commit 0bef4243cd
2 changed files with 43 additions and 9 deletions
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30
pkg/api/validation/validation.go
View File

@ -1074,26 +1074,37 @@ func ValidatePersistentVolumeStatusUpdate(newPv, oldPv *api.PersistentVolume) fi
return allErrs
}
// ValidatePersistentVolumeClaim validates a PersistentVolumeClaim
func ValidatePersistentVolumeClaim(pvc *api.PersistentVolumeClaim) field.ErrorList {
allErrs := ValidateObjectMeta(&pvc.ObjectMeta, true, ValidatePersistentVolumeName, field.NewPath("metadata"))
specPath := field.NewPath("spec")
if len(pvc.Spec.AccessModes) == 0 {
allErrs = append(allErrs, field.Required(specPath.Child("accessModes"), "at least 1 accessMode is required"))
allErrs = append(allErrs, ValidatePersistentVolumeClaimSpec(&pvc.Spec, field.NewPath("spec"))...)
return allErrs
}
// ValidatePersistentVolumeClaimSpec validates a PersistentVolumeClaimSpec
func ValidatePersistentVolumeClaimSpec(spec *api.PersistentVolumeClaimSpec, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if len(spec.AccessModes) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("accessModes"), "at least 1 access mode is required"))
}
if pvc.Spec.Selector != nil {
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(pvc.Spec.Selector, specPath.Child("selector"))...)
if spec.Selector != nil {
allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
}
for _, mode := range pvc.Spec.AccessModes {
for _, mode := range spec.AccessModes {
if mode != api.ReadWriteOnce && mode != api.ReadOnlyMany && mode != api.ReadWriteMany {
allErrs = append(allErrs, field.NotSupported(specPath.Child("accessModes"), mode, supportedAccessModes.List()))
allErrs = append(allErrs, field.NotSupported(fldPath.Child("accessModes"), mode, supportedAccessModes.List()))
}
}
if _, ok := pvc.Spec.Resources.Requests[api.ResourceStorage]; !ok {
allErrs = append(allErrs, field.Required(specPath.Child("resources").Key(string(api.ResourceStorage)), ""))
storageValue, ok := spec.Resources.Requests[api.ResourceStorage]
if !ok {
allErrs = append(allErrs, field.Required(fldPath.Child("resources").Key(string(api.ResourceStorage)), ""))
} else {
allErrs = append(allErrs, ValidateResourceQuantityValue(string(api.ResourceStorage), storageValue, fldPath.Child("resources").Key(string(api.ResourceStorage)))...)
}
return allErrs
}
// ValidatePersistentVolumeClaimUpdate validates an update to a PeristentVolumeClaim
func ValidatePersistentVolumeClaimUpdate(newPvc, oldPvc *api.PersistentVolumeClaim) field.ErrorList {
allErrs := ValidateObjectMetaUpdate(&newPvc.ObjectMeta, &oldPvc.ObjectMeta, field.NewPath("metadata"))
allErrs = append(allErrs, ValidatePersistentVolumeClaim(newPvc)...)
@ -1114,6 +1125,7 @@ func ValidatePersistentVolumeClaimUpdate(newPvc, oldPvc *api.PersistentVolumeCla
return allErrs
}
// ValidatePersistentVolumeClaimStatusUpdate validates an update to status of a PeristentVolumeClaim
func ValidatePersistentVolumeClaimStatusUpdate(newPvc, oldPvc *api.PersistentVolumeClaim) field.ErrorList {
allErrs := ValidateObjectMetaUpdate(&newPvc.ObjectMeta, &oldPvc.ObjectMeta, field.NewPath("metadata"))
if len(newPvc.ResourceVersion) == 0 {

22
pkg/api/validation/validation_test.go
View File

@ -675,6 +675,28 @@ func TestValidatePersistentVolumeClaim(t *testing.T) {
},
}),
},
"negative-storage-request": {
isExpectedFailure: true,
claim: testVolumeClaim("foo", "ns", api.PersistentVolumeClaimSpec{
Selector: &unversioned.LabelSelector{
MatchExpressions: []unversioned.LabelSelectorRequirement{
{
Key: "key2",
Operator: "Exists",
},
},
},
AccessModes: []api.PersistentVolumeAccessMode{
api.ReadWriteOnce,
api.ReadOnlyMany,
},
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse("-10G"),
},
},
}),
},
}
for name, scenario := range scenarios {