From 3e968f6fde73afbe11ab57bbb168054b510d39c1 Mon Sep 17 00:00:00 2001
From: Dmitry Selivanov <dmitry@gateway.fm>
Date: Thu, 20 Jul 2023 16:11:04 +0200
Subject: [PATCH] fix: existence check before srv add

---
 services_list.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/services_list.go b/services_list.go
index da7dafb..a6cdea8 100644
--- a/services_list.go
+++ b/services_list.go
@@ -172,6 +172,10 @@ func (l *ServicesList) Next() service.IService {
 
 // Add service to the list
 func (l *ServicesList) Add(srv service.IService) {
+	if l.IsServiceExists(srv) {
+		return
+	}
+
 	l.mu.Lock()
 
 	if err := srv.HealthCheck(); err != nil {