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

@@ -977,6 +977,7 @@ const (
 )
 
 func init() {
+	registerOpenshiftFeatures()
 	runtime.Must(utilfeature.DefaultMutableFeatureGate.Add(defaultKubernetesFeatureGates))
 }
 

pkg/features/openshift_features.go

@@ -0,0 +1,15 @@
+package features
+
+import (
+	"k8s.io/component-base/featuregate"
+)
+
+var RouteExternalCertificate featuregate.Feature = "RouteExternalCertificate"
+
+// registerOpenshiftFeatures injects openshift-specific feature gates
+func registerOpenshiftFeatures() {
+	defaultKubernetesFeatureGates[RouteExternalCertificate] = featuregate.FeatureSpec{
+		Default:    false,
+		PreRelease: featuregate.Alpha,
+	}
+}