From 825f65f79ee4c8934961a7b040f7d42a42f7e946 Mon Sep 17 00:00:00 2001
From: Dmitrii Stepanov <d.stepanov@yadro.com>
Date: Wed, 20 Dec 2023 16:20:36 +0300
Subject: [PATCH] [#873] node: Start metrics and pprof as soon as possible

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
---
 cmd/frostfs-node/httpcomponent.go | 21 +++++++++------------
 cmd/frostfs-node/worker.go        |  9 ---------
 2 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/cmd/frostfs-node/httpcomponent.go b/cmd/frostfs-node/httpcomponent.go
index 6e8fa8f2c..373a5e5c8 100644
--- a/cmd/frostfs-node/httpcomponent.go
+++ b/cmd/frostfs-node/httpcomponent.go
@@ -36,21 +36,19 @@ func (cmp *httpComponent) init(c *cfg) {
 			cmp.shutdownDur,
 		),
 	)
+	c.wg.Add(1)
+	go func() {
+		defer c.wg.Done()
+
+		c.log.Info(logs.FrostFSNodeStartListeningEndpoint,
+			zap.String("service", cmp.name),
+			zap.String("endpoint", cmp.address))
+		fatalOnErr(srv.Serve())
+	}()
 	c.closers = append(c.closers, closer{
 		cmp.name,
 		func() { stopAndLog(c, cmp.name, srv.Shutdown) },
 	})
-	c.workers = append(c.workers, worker{
-		cmp.name,
-		func(ctx context.Context) {
-			runAndLog(ctx, c, cmp.name, false, func(context.Context, *cfg) {
-				c.log.Info(logs.FrostFSNodeStartListeningEndpoint,
-					zap.String("service", cmp.name),
-					zap.String("endpoint", cmp.address))
-				fatalOnErr(srv.Serve())
-			})
-		},
-	})
 }
 
 func (cmp *httpComponent) reload(ctx context.Context) error {
@@ -64,7 +62,6 @@ func (cmp *httpComponent) reload(ctx context.Context) error {
 	}
 	// Cleanup
 	delCloser(cmp.cfg, cmp.name)
-	delWorker(cmp.cfg, cmp.name)
 	// Init server with new parameters
 	cmp.init(cmp.cfg)
 	// Start worker
diff --git a/cmd/frostfs-node/worker.go b/cmd/frostfs-node/worker.go
index bea235c48..c5649073b 100644
--- a/cmd/frostfs-node/worker.go
+++ b/cmd/frostfs-node/worker.go
@@ -30,15 +30,6 @@ func startWorker(ctx context.Context, c *cfg, wrk worker) {
 	}(wrk)
 }
 
-func delWorker(c *cfg, name string) {
-	for i, worker := range c.workers {
-		if worker.name == name {
-			c.workers = append(c.workers[:i], c.workers[i+1:]...)
-			return
-		}
-	}
-}
-
 func getWorker(c *cfg, name string) *worker {
 	for _, wrk := range c.workers {
 		if wrk.name == name {