update logging

Author: alan-nettica

cmd/nettica-api/main.go

@@ -23,16 +23,30 @@ import (
 	"github.com/patrickmn/go-cache"
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/oauth2"
+	lumberjack "gopkg.in/natefinch/lumberjack.v2"
 )
 
 var (
 	cacheDb = cache.New(60*time.Minute, 10*time.Minute)
 )
 
 func init() {
+	sn := os.Getenv("SERVICE_NAME")
+	if sn == "" {
+		sn = "nettica-api"
+	}
+	filename := "/var/log/nettica/" + sn + ".log"
+	lumberjackWriter := &lumberjack.Logger{
+		Filename:   filename,
+		MaxSize:    50, // megabytes
+		MaxBackups: 10,
+		MaxAge:     30, // days
+		Compress:   true,
+	}
+
 	log.SetFormatter(&log.TextFormatter{})
-	log.SetOutput(os.Stderr)
 	log.SetLevel(log.DebugLevel)
+	log.SetOutput(io.MultiWriter(os.Stderr, lumberjackWriter))
 }
 
 //		@title			Nettica API

go.mod

@@ -25,6 +25,7 @@ require (
 	golang.org/x/oauth2 v0.30.0
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6
 	gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 )
 
 require (

go.sum

@@ -386,6 +386,8 @@ gopkg.in/dnaeon/go-vcr.v3 v3.2.0 h1:Rltp0Vf+Aq0u4rQXgmXgtgoRDStTnFN83cWgSGSoRzM=
 gopkg.in/dnaeon/go-vcr.v3 v3.2.0/go.mod h1:2IMOnnlx9I6u9x+YBsM3tAMx6AlOxnJ0pWxQAzZ79Ag=
 gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df h1:n7WqCuqOuCbNr617RXOY0AWRXxgwEyPp2z+p0+hgMuE=
 gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df/go.mod h1:LRQQ+SO6ZHR7tOkpBDuZnXENFzX8qRjMDMyPD6BRkCw=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=