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hooker_filerotate.go
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hooker_filerotate.go
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// Copyright (C) 2017 go-nebulas authors
//
// This file is part of the go-nebulas library.
//
// the go-nebulas library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// the go-nebulas library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with the go-nebulas library. If not, see <http://www.gnu.org/licenses/>.
//
package logging
import (
"os"
"path/filepath"
"time"
"github.com/lestrrat/go-file-rotatelogs"
"github.com/rifflock/lfshook"
"github.com/sirupsen/logrus"
)
// NewFileRotateHooker enable log file output
func NewFileRotateHooker(path string, age uint32) logrus.Hook {
if len(path) == 0 {
panic("Failed to parse logger folder:" + path + ".")
}
if !filepath.IsAbs(path) {
path, _ = filepath.Abs(path)
}
if err := os.MkdirAll(path, 0700); err != nil {
panic("Failed to create logger folder:" + path + ". err:" + err.Error())
}
filePath := path + "/neb-%Y%m%d-%H.log"
linkPath := path + "/neb.log"
writer, err := rotatelogs.New(
filePath,
rotatelogs.WithLinkName(linkPath),
rotatelogs.WithRotationTime(time.Duration(3600)*time.Second),
)
// set log file max age
if age > 0 {
rotatelogs.WithMaxAge(time.Duration(age) * time.Second).Configure(writer)
}
if err != nil {
panic("Failed to create rotate logs. err:" + err.Error())
}
hook := lfshook.NewHook(lfshook.WriterMap{
logrus.DebugLevel: writer,
logrus.InfoLevel: writer,
logrus.WarnLevel: writer,
logrus.ErrorLevel: writer,
logrus.FatalLevel: writer,
}, nil)
return hook
}