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88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
// +build !windows
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/*
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* Minio Cloud Storage, (C) 2015 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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"log/syslog"
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"github.com/Sirupsen/logrus"
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"github.com/minio/minio/pkg/probe"
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)
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// syslogHook to send logs via syslog.
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type syslogHook struct {
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writer *syslog.Writer
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syslogNetwork string
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syslogRaddr string
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}
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func log2Syslog(network, raddr string) *probe.Error {
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syslogHook, e := newSyslog(network, raddr, syslog.LOG_ERR, "MINIO")
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if e != nil {
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return probe.NewError(e)
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}
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log.Hooks.Add(syslogHook) // Add syslog hook.
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log.Formatter = &logrus.JSONFormatter{} // JSON formatted log.
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log.Level = logrus.InfoLevel // Minimum log level.
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return nil
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}
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// newSyslog - Creates a hook to be added to an instance of logger.
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func newSyslog(network, raddr string, priority syslog.Priority, tag string) (*syslogHook, error) {
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w, err := syslog.Dial(network, raddr, priority, tag)
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return &syslogHook{w, network, raddr}, err
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}
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// Fire - fire the log event
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func (hook *syslogHook) 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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switch entry.Level {
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case logrus.PanicLevel:
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return hook.writer.Crit(line)
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case logrus.FatalLevel:
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return hook.writer.Crit(line)
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case logrus.ErrorLevel:
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return hook.writer.Err(line)
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case logrus.WarnLevel:
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return hook.writer.Warning(line)
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case logrus.InfoLevel:
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return hook.writer.Info(line)
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case logrus.DebugLevel:
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return hook.writer.Debug(line)
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default:
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return nil
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}
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}
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// Levels -
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func (hook *syslogHook) 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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logrus.WarnLevel,
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logrus.InfoLevel,
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logrus.DebugLevel,
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}
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}
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