Fix cluster scope resources (#1510)

* Add the owner references to the namespaced-scoped resources

* Inject the owner only to the namespace-scoped resources

pkg/reconciler/common/transformers.go

@@ -17,6 +17,8 @@ import (
 	"context"
 
 	mf "github.com/manifestival/manifestival"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"knative.dev/pkg/logging"
 
 	"knative.dev/operator/pkg/apis/operator/base"
@@ -26,7 +28,7 @@ import (
 func transformers(ctx context.Context, obj base.KComponent) []mf.Transformer {
 	logger := logging.FromContext(ctx)
 	return []mf.Transformer{
-		mf.InjectOwner(obj),
+		injectOwner(obj),
 		mf.InjectNamespace(obj.GetNamespace()),
 		JobTransform(obj),
 		HighAvailabilityTransform(obj, logger),
@@ -39,6 +41,15 @@ func transformers(ctx context.Context, obj base.KComponent) []mf.Transformer {
 	}
 }
 
+func injectOwner(owner mf.Owner) mf.Transformer {
+	return func(u *unstructured.Unstructured) error {
+		if u.GetNamespace() != "" {
+			u.SetOwnerReferences([]v1.OwnerReference{*v1.NewControllerRef(owner, owner.GroupVersionKind())})
+		}
+		return nil
+	}
+}
+
 // Transform will mutate the passed-by-reference manifest with one
 // transformed by platform, common, and any extra passed in
 func Transform(ctx context.Context, manifest *mf.Manifest, instance base.KComponent, extra ...mf.Transformer) error {