From df24c1268e9ba09ecd4939afbaeb66ba582057d1 Mon Sep 17 00:00:00 2001
From: Roman Khimov <roman@nspcc.ru>
Date: Tue, 26 Jul 2022 17:19:30 +0300
Subject: [PATCH] cli: restart pprof and prometheus on HUP

---
 cli/server/server.go            | 6 ++++++
 pkg/services/metrics/metrics.go | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/cli/server/server.go b/cli/server/server.go
index 248ac67e8..42b699bd8 100644
--- a/cli/server/server.go
+++ b/cli/server/server.go
@@ -551,6 +551,12 @@ Main:
 				if !cfgnew.ApplicationConfiguration.RPC.StartWhenSynchronized || serv.IsInSync() {
 					rpcServer.Start()
 				}
+				pprof.ShutDown()
+				pprof = metrics.NewPprofService(cfgnew.ApplicationConfiguration.Pprof, log)
+				go pprof.Start()
+				prometheus.ShutDown()
+				prometheus = metrics.NewPrometheusService(cfgnew.ApplicationConfiguration.Prometheus, log)
+				go prometheus.Start()
 			}
 			cfg = cfgnew
 		case <-grace.Done():
diff --git a/pkg/services/metrics/metrics.go b/pkg/services/metrics/metrics.go
index 071c1fbeb..b3cb4c27b 100644
--- a/pkg/services/metrics/metrics.go
+++ b/pkg/services/metrics/metrics.go
@@ -31,6 +31,9 @@ func (ms *Service) Start() {
 
 // ShutDown stops the service.
 func (ms *Service) ShutDown() {
+	if !ms.config.Enabled {
+		return
+	}
 	ms.log.Info("shutting down service", zap.String("endpoint", ms.Addr))
 	err := ms.Shutdown(context.Background())
 	if err != nil {