feat: explicitly check for cluster labels

Signed-off-by: Carlos Salas <[email protected]>

internal/controllers/import_controller_v3.go

@@ -297,7 +297,23 @@ func (r *CAPIImportManagementV3Reconciler) rancherClusterToCapiCluster(ctx conte
 	log := log.FromContext(ctx)
 
 	return func(_ context.Context, o client.Object) []ctrl.Request {
-		labels := o.GetLabels()
+		cluster, ok := o.(*managementv3.Cluster)
+		if !ok {
+			log.Error(nil, fmt.Sprintf("Expected a rancher cluster but got a %T", o))
+			return nil
+		}
+
+		labels := cluster.GetLabels()
+		if _, ok := labels[capiClusterOwner]; !ok {
+			log.Error(fmt.Errorf("missing label %s", capiClusterOwner), "getting rancher cluster labels")
+			return nil
+		}
+
+		if _, ok := labels[capiClusterOwnerNamespace]; !ok {
+			log.Error(fmt.Errorf("missing label %s", capiClusterOwnerNamespace), "getting rancher cluster labels")
+			return nil
+		}
+
 		capiCluster := &clusterv1.Cluster{ObjectMeta: metav1.ObjectMeta{
 			Name:      labels[capiClusterOwner],
 			Namespace: labels[capiClusterOwnerNamespace],