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75 lines
1.9 KiB
75 lines
1.9 KiB
/*
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* Minio Cloud Storage, (C) 2015, 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"fmt"
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"os"
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"github.com/Sirupsen/logrus"
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)
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type fileLogger struct {
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Enable bool `json:"enable"`
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Filename string `json:"fileName"`
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Level string `json:"level"`
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}
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type localFile struct {
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*os.File
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}
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func enableFileLogger() {
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flogger := serverConfig.GetFileLogger()
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if !flogger.Enable || flogger.Filename == "" {
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return
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}
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// Creates the named file with mode 0666, honors system umask.
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file, err := os.OpenFile(flogger.Filename, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0666)
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fatalIf(err, "Unable to open log file.")
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// Add a local file hook.
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log.Hooks.Add(&localFile{file})
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lvl, err := logrus.ParseLevel(flogger.Level)
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fatalIf(err, "Unknown log level found in the config file.")
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// Set default JSON formatter.
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log.Formatter = new(logrus.JSONFormatter)
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log.Level = lvl // Minimum log level.
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}
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// Fire fires the file logger hook and logs to the file.
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func (l *localFile) Fire(entry *logrus.Entry) error {
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line, err := entry.String()
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if err != nil {
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return fmt.Errorf("Unable to read entry, %v", err)
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}
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l.File.Write([]byte(line + "\n"))
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l.File.Sync()
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return nil
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}
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// Levels - indicate log levels supported.
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func (l *localFile) Levels() []logrus.Level {
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return []logrus.Level{
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logrus.PanicLevel,
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logrus.FatalLevel,
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logrus.ErrorLevel,
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}
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}
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