Revert fg status configmap to default on KataConfig deletion

Since fg status configmap is must and created during operator
initialisation, we need to ensure on KataConfig deletion it's reverted
back to default values.

Signed-off-by: Pradipta Banerjee <pradipta.banerjee@gmail.com>

controllers/openshift_controller.go

@@ -888,6 +888,13 @@ func (r *KataConfigOpenShiftReconciler) processKataConfigDeleteRequest() (ctrl.R
 		return ctrl.Result{Requeue: true}, nil
 	}
 
+	// Revert the feature gate status configmap to default
+	err = r.FeatureGates.RevertFeatureGateStatusConfigMapToDefault(context.TODO())
+	if err != nil {
+		r.Log.Info("Error reverting feature gate status configmap to default", "err", err)
+		return ctrl.Result{Requeue: true}, err
+	}
+
 	r.Log.Info("Uninstallation completed. Proceeding with the KataConfig deletion")
 	if err = r.removeFinalizer(); err != nil {
 		return ctrl.Result{Requeue: true}, nil

internal/featuregates/featuregates.go

@@ -2,10 +2,12 @@ package featuregates
 
 import (
 	"context"
+	"fmt"
 
 	"github.com/go-logr/logr"
 	corev1 "k8s.io/api/core/v1"
 	k8serrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 )
@@ -95,3 +97,28 @@ func (fg *FeatureGates) IsFeatureConfigMapPresent(ctx context.Context, feature s
 	}
 	return true
 }
+
+// Method to revert the feature gate status configmap to default values
+func (fg *FeatureGates) RevertFeatureGateStatusConfigMapToDefault(ctx context.Context) error {
+	data := make(map[string]string)
+	for key, value := range DefaultFeatureGatesStatus {
+		data[key] = fmt.Sprintf("%t", value)
+	}
+
+	configMap := &corev1.ConfigMap{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      fg.ConfigMapName,
+			Namespace: fg.Namespace,
+		},
+
+		Data: data,
+	}
+
+	err := fg.Client.Update(ctx, configMap)
+	if err != nil {
+		fgLogger.Info("Error reverting feature gate status configmap", "err", err)
+		return err
+	}
+	fgLogger.Info("Feature gate status configmap reverted to default values")
+	return nil
+}