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Fix validation.go to validate without StatefulSetStartOrdinal feature gate check. Adds test case to validate regression fix of validation failing when spec.ordinals set and feature gate disabled

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This commit is contained in:
Peter Schuurman 2023-02-23 16:22:56 -08:00
parent 35f3fc59c1
commit a714e9e485
2 changed files with 31 additions and 22 deletions
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20
pkg/apis/apps/validation/validation.go
View File

@ -28,11 +28,9 @@ import (
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/validation"
"k8s.io/apimachinery/pkg/util/validation/field"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/kubernetes/pkg/apis/apps"
api "k8s.io/kubernetes/pkg/apis/core"
apivalidation "k8s.io/kubernetes/pkg/apis/core/validation"
"k8s.io/kubernetes/pkg/features"
)
// ValidateStatefulSetName can be used to check whether the given StatefulSet name is valid.
@ -130,11 +128,9 @@ func ValidateStatefulSetSpec(spec *apps.StatefulSetSpec, fldPath *field.Path, op
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
if utilfeature.DefaultFeatureGate.Enabled(features.StatefulSetStartOrdinal) {
if spec.Ordinals != nil {
replicaStartOrdinal := spec.Ordinals.Start
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(replicaStartOrdinal), fldPath.Child("ordinals.start"))...)
}
if spec.Ordinals != nil {
replicaStartOrdinal := spec.Ordinals.Start
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(replicaStartOrdinal), fldPath.Child("ordinals.start"))...)
}
if spec.Selector == nil {
@ -189,17 +185,11 @@ func ValidateStatefulSetUpdate(statefulSet, oldStatefulSet *apps.StatefulSet, op
newStatefulSetClone.Spec.Template = oldStatefulSet.Spec.Template // +k8s:verify-mutation:reason=clone
newStatefulSetClone.Spec.UpdateStrategy = oldStatefulSet.Spec.UpdateStrategy // +k8s:verify-mutation:reason=clone
newStatefulSetClone.Spec.MinReadySeconds = oldStatefulSet.Spec.MinReadySeconds // +k8s:verify-mutation:reason=clone
if utilfeature.DefaultFeatureGate.Enabled(features.StatefulSetStartOrdinal) {
newStatefulSetClone.Spec.Ordinals = oldStatefulSet.Spec.Ordinals // +k8s:verify-mutation:reason=clone
}
newStatefulSetClone.Spec.Ordinals = oldStatefulSet.Spec.Ordinals // +k8s:verify-mutation:reason=clone
newStatefulSetClone.Spec.PersistentVolumeClaimRetentionPolicy = oldStatefulSet.Spec.PersistentVolumeClaimRetentionPolicy // +k8s:verify-mutation:reason=clone
if !apiequality.Semantic.DeepEqual(newStatefulSetClone.Spec, oldStatefulSet.Spec) {
if utilfeature.DefaultFeatureGate.Enabled(features.StatefulSetStartOrdinal) {
allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to statefulset spec for fields other than 'replicas', 'ordinals', 'template', 'updateStrategy', 'persistentVolumeClaimRetentionPolicy' and 'minReadySeconds' are forbidden"))
} else {
allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to statefulset spec for fields other than 'replicas', 'template', 'updateStrategy', 'persistentVolumeClaimRetentionPolicy' and 'minReadySeconds' are forbidden"))
}
allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to statefulset spec for fields other than 'replicas', 'ordinals', 'template', 'updateStrategy', 'persistentVolumeClaimRetentionPolicy' and 'minReadySeconds' are forbidden"))
}
return allErrs

33
pkg/apis/apps/validation/validation_test.go
View File

@ -86,8 +86,6 @@ func TestValidateStatefulSet(t *testing.T) {
const enableStatefulSetAutoDeletePVC = "[enable StatefulSetAutoDeletePVC]"
const enableStatefulSetStartOrdinal = "[enable StatefulSetStartOrdinal]"
type testCase struct {
name string
set apps.StatefulSet
@ -196,7 +194,7 @@ func TestValidateStatefulSet(t *testing.T) {
},
},
{
name: "ordinals.start positive value " + enableStatefulSetStartOrdinal,
name: "ordinals.start positive value",
set: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
@ -682,7 +680,7 @@ func TestValidateStatefulSet(t *testing.T) {
},
},
{
name: "invalid ordinals.start " + enableStatefulSetStartOrdinal,
name: "invalid ordinals.start ",
set: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc-123", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
@ -714,9 +712,6 @@ func TestValidateStatefulSet(t *testing.T) {
if strings.Contains(name, enableStatefulSetAutoDeletePVC) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetAutoDeletePVC, true)()
}
if strings.Contains(name, enableStatefulSetStartOrdinal) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetStartOrdinal, true)()
}
errs := ValidateStatefulSet(&testCase.set, pod.GetValidationOptionsFromPodTemplate(&testCase.set.Spec.Template, nil))
wantErrs := testCase.errs
@ -1211,6 +1206,30 @@ func TestValidateStatefulSetUpdate(t *testing.T) {
},
},
},
{
name: "update existing instance with .spec.ordinals.start",
old: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc.123.example", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
},
},
update: apps.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "abc.123.example", Namespace: metav1.NamespaceDefault},
Spec: apps.StatefulSetSpec{
PodManagementPolicy: apps.OrderedReadyPodManagement,
Selector: &metav1.LabelSelector{MatchLabels: validLabels},
Template: validPodTemplate.Template,
UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType},
Ordinals: &apps.StatefulSetOrdinals{
Start: 3,
},
},
},
},
}
errorCases := []testCase{