fixup! fix: wggateway enforce labels on referenced secret

Author: fra98

pkg/liqo-controller-manager/networking/external-network/wireguard/utils.go

@@ -193,8 +193,10 @@ func checkExistingKeysSecret(ctx context.Context, cl client.Client, secretName,
 	if !exists || remoteClusterID == "" {
 		return fmt.Errorf("missing %q label in WireGuard gateway %q", consts.RemoteClusterID, wgObj.GetName())
 	}
-	if s.Labels != nil && s.Labels[consts.RemoteClusterID] != remoteClusterID {
-		return fmt.Errorf("label %q in secret %q does not match the one in WireGuard gateway %q", consts.RemoteClusterID, secretName, wgObj.GetName())
+	if s.Labels != nil {
+		if v, ok := s.Labels[consts.RemoteClusterID]; ok && v != remoteClusterID {
+			return fmt.Errorf("label %q in secret %q does not match the one in WireGuard gateway %q", consts.RemoteClusterID, secretName, wgObj.GetName())
+		}
 	}
 
 	// Enforce correct labels on the secret if not present