fix the secret label watch to work without child resource watch

Signed-off-by: Peter Wilcsinszky <[email protected]>

Author: pepov

main.go

@@ -161,15 +161,18 @@ func main() {
 	}
 
 	customMgrOptions, err := setupCustomCache(&mgrOptions, syncPeriod, namespace, loggingRef, watchLabeledChildren)
+	if err != nil {
+		setupLog.Error(err, "unable to set up custom cache settings")
+		os.Exit(1)
+	}
 	if watchLabeledSecrets {
+		if customMgrOptions.Cache.ByObject == nil {
+			customMgrOptions.Cache.ByObject = make(map[client.Object]cache.ByObject)
+		}
 		customMgrOptions.Cache.ByObject[&corev1.Secret{}] = cache.ByObject{
 			Label: labels.Set{"logging.banzaicloud.io/watch": "enabled"}.AsSelector(),
 		}
 	}
-	if err != nil {
-		setupLog.Error(err, "unable to set up custom cache settings")
-		os.Exit(1)
-	}
 
 	if enableprofile {
 		setupLog.Info("enabling pprof")