Check error return from adding shutdown function

weaveworks-experiments · May 18, 2021 · 7eff97a · 7eff97a
1 parent 673c8e2
commit 7eff97a
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/main.go b/main.go
@@ -156,10 +156,13 @@ func main() {
 	// +kubebuilder:scaffold:builder
 
 	// Close capture file when program shuts down
-	mgr.Add(manager.RunnableFunc(func(stop <-chan struct{}) error {
+	if err := mgr.Add(manager.RunnableFunc(func(stop <-chan struct{}) error {
 		<-stop
 		return capture.Close()
-	}))
+	})); err != nil {
+		setupLog.Error(err, "unable to add close function")
+		os.Exit(1)
+	}
 
 	setupLog.Info("starting manager")
 	if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {