/
logger.go
158 lines (128 loc) · 3.45 KB
/
logger.go
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package main
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"sync"
"github.com/Instafig/Instafig/conf"
"github.com/Instafig/Instafig/utils"
"github.com/Sirupsen/logrus"
)
var (
logFileLock = make(map[string]*sync.RWMutex)
logger *Logger
requestLogger *Logger
)
const (
LOG_LEVEL_DEBUG = logrus.DebugLevel
LOG_LEVEL_INFO = logrus.InfoLevel
LOG_LEVEL_WARN = logrus.WarnLevel
LOG_LEVEL_ERROR = logrus.ErrorLevel
LOG_LEVEL_FATAL = logrus.FatalLevel
LOG_LEVEL_PANIC = logrus.PanicLevel
)
func init() {
if conf.DebugMode {
logger = newLogger(conf.LogDir, "log", LOG_LEVEL_DEBUG)
} else {
logger = newLogger(conf.LogDir, "log", LOG_LEVEL_INFO)
}
requestLogger = newLogger(conf.LogDir, "request", LOG_LEVEL_INFO)
}
type Logger struct {
*logrus.Logger
path string
fileNameBase string
fileNameDate string
}
func (log *Logger) init() {
log.fileNameDate = utils.GetNowStringYMD()
p := filepath.Join(log.path, fmt.Sprintf("%s.log", log.fileNameBase))
f, err := os.OpenFile(p, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0660)
if err != nil {
log.Fatalf("Failed to init [%s] log: %s", log.fileNameBase, err.Error())
}
log.Out = f
log.Formatter = new(logrus.JSONFormatter)
}
func (log *Logger) rotate() error {
nowDate := utils.GetNowStringYMD()
if nowDate == log.fileNameDate {
return nil
}
logFileLock[log.fileNameBase].Lock()
defer logFileLock[log.fileNameBase].Unlock()
if nowDate == log.fileNameDate {
return nil
}
oldFile := log.Out.(*os.File)
oldFile.Close()
logFile := filepath.Join(log.path, fmt.Sprintf("%s.log", log.fileNameBase))
rotateFileName := filepath.Join(log.path, fmt.Sprintf("%s.log.%s", log.fileNameBase, log.fileNameDate))
err := exec.Command("mv", logFile, rotateFileName).Run()
if err != nil {
log.Printf("Failed to rotate log file[%s]: %s ", rotateFileName, err.Error())
}
log.fileNameDate = nowDate
f, err := os.OpenFile(logFile, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0660)
if err != nil {
// TODO:
return err
}
log.Out = f
return nil
}
func (log *Logger) newLog(level logrus.Level, data map[string]interface{}) {
log.rotate()
data["_ts_"] = utils.GetNowMillisecond()
fields := logrus.Fields(data)
switch level {
case LOG_LEVEL_DEBUG:
log.WithFields(fields).Debug("")
case LOG_LEVEL_INFO:
log.WithFields(fields).Info("")
case LOG_LEVEL_WARN:
log.WithFields(fields).Warn("")
case LOG_LEVEL_ERROR:
log.WithFields(fields).Error("")
case LOG_LEVEL_FATAL:
log.WithFields(fields).Fatal("")
case LOG_LEVEL_PANIC:
log.WithFields(fields).Panic("")
default:
log.WithFields(fields).Info("")
}
}
func (log *Logger) Debug(data map[string]interface{}) {
log.newLog(LOG_LEVEL_DEBUG, data)
}
func (log *Logger) Warn(data map[string]interface{}) {
log.newLog(LOG_LEVEL_WARN, data)
}
func (log *Logger) Info(data map[string]interface{}) {
log.newLog(LOG_LEVEL_INFO, data)
}
func (log *Logger) Error(data map[string]interface{}) {
log.newLog(LOG_LEVEL_ERROR, data)
}
func (log *Logger) Fatal(data map[string]interface{}) {
log.newLog(LOG_LEVEL_FATAL, data)
}
func (log *Logger) Panic(data map[string]interface{}) {
log.newLog(LOG_LEVEL_PANIC, data)
}
func (log *Logger) SetLevel(level logrus.Level) {
log.Level = level
}
func newLogger(path string, baseName string, level logrus.Level) *Logger {
logFileLock[baseName] = &sync.RWMutex{}
l := &Logger{new(logrus.Logger), path, baseName, ""}
l.init()
if conf.DebugMode {
l.SetLevel(LOG_LEVEL_DEBUG)
} else {
l.SetLevel(level)
}
return l
}