From ea48e928c8d6c54662c72bd650b57a8b897e7879 Mon Sep 17 00:00:00 2001
From: Aleksey Savchuk <a.savchuk@yadro.com>
Date: Mon, 16 Sep 2024 10:45:26 +0300
Subject: [PATCH] [#1366] logger: Make timestamp prepending optional

Signed-off-by: Aleksey Savchuk <a.savchuk@yadro.com>
---
 pkg/util/logger/logger.go | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/pkg/util/logger/logger.go b/pkg/util/logger/logger.go
index e67afb36..4b60f02d 100644
--- a/pkg/util/logger/logger.go
+++ b/pkg/util/logger/logger.go
@@ -40,6 +40,9 @@ type Prm struct {
 
 	// do not support runtime rereading
 	dest string
+
+	// PrependTimestamp specifies whether to prepend a timestamp in the log
+	PrependTimestamp bool
 }
 
 const (
@@ -116,11 +119,16 @@ func newConsoleLogger(prm *Prm) (*Logger, error) {
 	c := zap.NewProductionConfig()
 	c.Level = lvl
 	c.Encoding = "console"
-	c.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
 	if prm.SamplingHook != nil {
 		c.Sampling.Hook = prm.SamplingHook
 	}
 
+	if prm.PrependTimestamp {
+		c.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
+	} else {
+		c.EncoderConfig.TimeKey = ""
+	}
+
 	lZap, err := c.Build(
 		zap.AddStacktrace(zap.NewAtomicLevelAt(zap.FatalLevel)),
 	)
@@ -140,11 +148,16 @@ func newJournaldLogger(prm *Prm) (*Logger, error) {
 	c := zap.NewProductionConfig()
 	c.Level = lvl
 	c.Encoding = "console"
-	c.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
 	if prm.SamplingHook != nil {
 		c.Sampling.Hook = prm.SamplingHook
 	}
 
+	if prm.PrependTimestamp {
+		c.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
+	} else {
+		c.EncoderConfig.TimeKey = ""
+	}
+
 	encoder := zapjournald.NewPartialEncoder(zapcore.NewConsoleEncoder(c.EncoderConfig), zapjournald.SyslogFields)
 
 	core := zapjournald.NewCore(lvl, encoder, &journald.Journal{}, zapjournald.SyslogFields)