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) 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)
}