AnthoLume/config/logger.go

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package config
import (
"github.com/sirupsen/logrus"
"gopkg.in/natefinch/lumberjack.v2"
)
// Modified "snowzach/rotatefilehook" to support manual rotation
type RotateFileConfig struct {
Filename string
MaxSize int
MaxBackups int
MaxAge int
Compress bool
Level logrus.Level
Formatter logrus.Formatter
}
type RotateFileHook struct {
Config RotateFileConfig
logWriter *lumberjack.Logger
}
func NewRotateFileHook(config RotateFileConfig) (*RotateFileHook, error) {
hook := RotateFileHook{
Config: config,
}
hook.logWriter = &lumberjack.Logger{
Filename: config.Filename,
MaxSize: config.MaxSize,
MaxBackups: config.MaxBackups,
MaxAge: config.MaxAge,
Compress: config.Compress,
}
return &hook, nil
}
func (hook *RotateFileHook) Rotate() error {
return hook.logWriter.Rotate()
}
func (hook *RotateFileHook) Levels() []logrus.Level {
return logrus.AllLevels[:hook.Config.Level+1]
}
func (hook *RotateFileHook) Fire(entry *logrus.Entry) (err error) {
b, err := hook.Config.Formatter.Format(entry)
if err != nil {
return err
}
hook.logWriter.Write(b)
return nil
}