新增logger

go.mod

@@ -4,6 +4,9 @@ go 1.16
 
 require (
 	github.com/gin-gonic/gin v1.7.4
+	github.com/lestrrat-go/file-rotatelogs v2.4.0+incompatible // indirect
+	github.com/lestrrat-go/strftime v1.0.5 // indirect
+	github.com/rifflock/lfshook v0.0.0-20180920164130-b9218ef580f5 // indirect
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/viper v1.8.1
 )

logger.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	rotatelogs "github.com/lestrrat-go/file-rotatelogs"
+	"github.com/rifflock/lfshook"
+	log "github.com/sirupsen/logrus"
+)
+
+func init() {
+	//日志初始化
+	//log.SetOutput(os.Stdout)
+	log.SetLevel(log.DebugLevel)
+	log.AddHook(newLfsHook(72))
+}
+
+func newLfsHook(maxRemainCnt uint) log.Hook {
+	//检查与创建日志文件夹
+	_, err := os.Stat("logs")
+	if os.IsNotExist(err) {
+		os.Mkdir("logs", 0755)
+	}
+
+	logName := fmt.Sprintf(`logs/%s`, APPNAME)
+	writer, err := rotatelogs.New(
+		logName+"%Y%m%d.log",
+		// WithLinkName为最新的日志建立软连接，以方便随着找到当前日志文件
+		rotatelogs.WithLinkName(logName),
+
+		// WithRotationTime设置日志分割的时间，这里设置为一小时分割一次
+		rotatelogs.WithRotationTime(24*time.Hour),
+
+		// WithMaxAge和WithRotationCount二者只能设置一个，
+		// WithMaxAge设置文件清理前的最长保存时间，
+		// WithRotationCount设置文件清理前最多保存的个数。
+		//rotatelogs.WithMaxAge(time.Hour*24),
+		rotatelogs.WithRotationCount(maxRemainCnt),
+	)
+
+	if err != nil {
+		panic("config local file system for logger error: " + err.Error())
+	}
+	log.SetLevel(log.DebugLevel)
+
+	lfsHook := lfshook.NewHook(lfshook.WriterMap{
+		log.DebugLevel: writer,
+		log.InfoLevel:  writer,
+		log.WarnLevel:  writer,
+		log.ErrorLevel: writer,
+		log.FatalLevel: writer,
+		log.PanicLevel: writer,
+	}, &log.TextFormatter{DisableColors: true})
+
+	return lfsHook
+}

main.go

@@ -8,6 +8,10 @@ import (
 	"github.com/spf13/viper"
 )
 
+const (
+	APPNAME = "srv-ijustjump"
+)
+
 func main() {
 	cf := flag.String("config", "config.yaml", "file of config")
 	flag.Parse()