UPSTREAM: <carry>: Add openshift feature gates to kube-apiserver - inject openshift feature gates into pkg/features

Signed-off-by: Swarup Ghosh <[email protected]>

Author: swghosh

pkg/features/kube_features.go

@@ -1880,6 +1880,7 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 }
 
 func init() {
+	registerOpenshiftFeatures()
 	runtime.Must(utilfeature.DefaultMutableFeatureGate.AddVersioned(defaultVersionedKubernetesFeatureGates))
 	runtime.Must(zpagesfeatures.AddFeatureGates(utilfeature.DefaultMutableFeatureGate))
 

pkg/features/openshift_features.go

@@ -0,0 +1,17 @@
+package features
+
+import (
+	"k8s.io/apimachinery/pkg/util/version"
+	"k8s.io/component-base/featuregate"
+)
+
+var RouteExternalCertificate featuregate.Feature = "RouteExternalCertificate"
+var MinimumKubeletVersion featuregate.Feature = "MinimumKubeletVersion"
+
+// registerOpenshiftFeatures injects openshift-specific feature gates
+func registerOpenshiftFeatures() {
+	// Introduced in 4.16
+	defaultVersionedKubernetesFeatureGates[RouteExternalCertificate] = featuregate.VersionedSpecs{
+		{Version: version.MustParse("1.29"), Default: false, PreRelease: featuregate.Alpha},
+	}
+}