feat: promote CRDValidationRatcheting to GA

Author: yongruilin

pkg/features/versioned_kube_features.go

@@ -127,6 +127,7 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 	apiextensionsfeatures.CRDValidationRatcheting: {
 		{Version: version.MustParse("1.28"), Default: false, PreRelease: featuregate.Alpha},
 		{Version: version.MustParse("1.30"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.GA, LockToDefault: true},
 	},
 
 	CrossNamespaceVolumeDataSource: {

staging/src/k8s.io/apiextensions-apiserver/pkg/features/kube_features.go

@@ -56,6 +56,7 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 	CRDValidationRatcheting: {
 		{Version: version.MustParse("1.28"), Default: false, PreRelease: featuregate.Alpha},
 		{Version: version.MustParse("1.30"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.33"), Default: true, LockToDefault: true, PreRelease: featuregate.GA},
 	},
 	CustomResourceFieldSelectors: {
 		{Version: version.MustParse("1.30"), Default: false, PreRelease: featuregate.Alpha},

staging/src/k8s.io/apiextensions-apiserver/test/integration/ratcheting_test.go

@@ -46,6 +46,7 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/util/uuid"
+	"k8s.io/apimachinery/pkg/util/version"
 	"k8s.io/apimachinery/pkg/util/wait"
 	utilyaml "k8s.io/apimachinery/pkg/util/yaml"
 	utilfeature "k8s.io/apiserver/pkg/util/feature"
@@ -365,7 +366,6 @@ type ratchetingTestCase struct {
 }
 
 func runTests(t *testing.T, cases []ratchetingTestCase) {
-	featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.CRDValidationRatcheting, true)
 	tearDown, apiExtensionClient, dynamicClient, err := fixtures.StartDefaultServerWithClients(t)
 	if err != nil {
 		t.Fatal(err)
@@ -1994,6 +1994,7 @@ func BenchmarkRatcheting(b *testing.B) {
 }
 
 func TestRatchetingDropFields(t *testing.T) {
+	featuregatetesting.SetFeatureGateEmulationVersionDuringTest(t, utilfeature.DefaultFeatureGate, version.MustParse("1.32"))
 	// Field dropping only takes effect when feature is disabled
 	featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.CRDValidationRatcheting, false)
 	tearDown, apiExtensionClient, _, err := fixtures.StartDefaultServerWithClients(t)

test/featuregates_linter/test_data/versioned_feature_list.yaml

@@ -318,6 +318,10 @@
     lockToDefault: false
     preRelease: Beta
     version: "1.30"
+  - default: true
+    lockToDefault: true
+    preRelease: GA
+    version: "1.33"
 - name: CronJobsScheduledAnnotation
   versionedSpecs:
   - default: true