From 2a970b0125dff17833a01d8c447719d25f06989b Mon Sep 17 00:00:00 2001
From: Leonard Lyubich <leonard@nspcc.ru>
Date: Tue, 11 May 2021 11:25:54 +0300
Subject: [PATCH] [#493] logger: Do not set global fields in constructor

Remove setting of `app_name` and `app_version` fields in `NewLogger`
constructor. Set these fields in Node and IR application in already
constructed log and remove them from viper .

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
---
 cmd/neofs-ir/defaults.go  |  3 ---
 cmd/neofs-ir/main.go      |  5 +++++
 cmd/neofs-node/config.go  |  8 +++++---
 pkg/util/logger/logger.go | 12 +-----------
 4 files changed, 11 insertions(+), 17 deletions(-)

diff --git a/cmd/neofs-ir/defaults.go b/cmd/neofs-ir/defaults.go
index c245654bc..3c1c247be 100644
--- a/cmd/neofs-ir/defaults.go
+++ b/cmd/neofs-ir/defaults.go
@@ -18,9 +18,6 @@ func newConfig(path string) (*viper.Viper, error) {
 	v.AutomaticEnv()
 	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
 
-	v.SetDefault("app.name", misc.InnerRingName)
-	v.SetDefault("app.version", misc.Version)
-
 	defaultConfiguration(v)
 
 	if path != "" {
diff --git a/cmd/neofs-ir/main.go b/cmd/neofs-ir/main.go
index 89ad6b499..7457da523 100644
--- a/cmd/neofs-ir/main.go
+++ b/cmd/neofs-ir/main.go
@@ -47,6 +47,11 @@ func main() {
 	log, err := logger.NewLogger(cfg)
 	exitErr(err)
 
+	log = log.With(
+		zap.String("app_name", misc.InnerRingName),
+		zap.String("app_version", misc.Version),
+	)
+
 	ctx := grace.NewGracefulContext(log)
 	intErr := make(chan error) // internal inner ring errors
 
diff --git a/cmd/neofs-node/config.go b/cmd/neofs-node/config.go
index af244d3e1..e276299ec 100644
--- a/cmd/neofs-node/config.go
+++ b/cmd/neofs-node/config.go
@@ -355,6 +355,11 @@ func initCfg(path string) *cfg {
 	log, err := logger.NewLogger(viperCfg)
 	fatalOnErr(err)
 
+	log = log.With(
+		zap.String("app_name", misc.NodeName),
+		zap.String("app_version", misc.Version),
+	)
+
 	netAddr, err := network.AddressFromString(viperCfg.GetString(cfgBootstrapAddress))
 	fatalOnErr(err)
 
@@ -442,9 +447,6 @@ func initViper(path string) *viper.Viper {
 	v.AutomaticEnv()
 	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
 
-	v.SetDefault("app.name", misc.NodeName)
-	v.SetDefault("app.version", misc.Version)
-
 	defaultConfiguration(v)
 
 	if path != "" {
diff --git a/pkg/util/logger/logger.go b/pkg/util/logger/logger.go
index 7f0da8e9d..179575d99 100644
--- a/pkg/util/logger/logger.go
+++ b/pkg/util/logger/logger.go
@@ -27,20 +27,10 @@ func NewLogger(v *viper.Viper) (*Logger, error) {
 	c.Encoding = "console"
 	c.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
 
-	l, err := c.Build(
+	return c.Build(
 		// record a stack trace for all messages at or above fatal level
 		zap.AddStacktrace(zap.NewAtomicLevelAt(zap.FatalLevel)),
 	)
-	if err != nil {
-		return nil, err
-	}
-
-	name := v.GetString("app.name")
-	version := v.GetString("app.version")
-
-	return l.With(
-		zap.String("app_name", name),
-		zap.String("app_version", version)), nil
 }
 
 func safeLevel(lvl string) zap.AtomicLevel {