Fix panic introduced in #50

Commit 8bc42b1 introduced a panic during shutdown loop - `panic: sync: negative WaitGroup counter`. Signed-off-by: Sergey Nuzhdin <[email protected]>
lwolf · Jun 30, 2020 · 1521444 · 1521444
1 parent 7e342c1
commit 1521444
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/cmd/main.go b/cmd/main.go
@@ -145,14 +145,15 @@ func main() {
 
 	wg.Add(1)
 	go func() {
+		defer wg.Done()
 		for {
 			<-stopCh
 			log.Println("shutting http server down")
 			err := server.Shutdown(ctx)
 			if err != nil {
 				log.Printf("failed to shutdown metrics server: %v\n", err)
 			}
-			wg.Done()
+			break
 		}
 	}()