fix(controller): use ownerreferences without controller owner relation (#1095)

Signed-off-by: Oliver Bähler <oliverbaehler@hotmail.com>

pkg/utils/reference.go

@@ -0,0 +1,27 @@
+// Copyright 2020-2023 Project Capsule Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package utils
+
+import (
+	"strings"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	capsulev1beta2 "github.com/projectcapsule/capsule/api/v1beta2"
+)
+
+const (
+	ObjectReferenceTenantKind = "Tenant"
+)
+
+func IsTenantOwnerReference(or metav1.OwnerReference) bool {
+	parts := strings.Split(or.APIVersion, "/")
+	if len(parts) != 2 {
+		return false
+	}
+
+	group := parts[0]
+
+	return group == capsulev1beta2.GroupVersion.Group && or.Kind == ObjectReferenceTenantKind
+}