webdav/sync/go/pkg/mod/github.com/sirupsen/logrus@v1.9.3/hooks/syslog - 志元云盘

File OriginalPic	EditTime	Size
README.md	2024-10-15 11:06:26	1.91 KB
syslog.go	2024-10-15 11:06:26	1.3 KB
syslog_test.go	2024-10-15 11:06:26	566 B

# Syslog Hooks for Logrus <img src="http://i.imgur.com/hTeVwmJ.png" width="40" height="40" alt=":walrus:" class="emoji" title=":walrus:"/>

## Usage

```go
import (
  "log/syslog"
  "github.com/sirupsen/logrus"
  lSyslog "github.com/sirupsen/logrus/hooks/syslog"
)

func main() {
  log       := logrus.New()
  hook, err := lSyslog.NewSyslogHook("udp", "localhost:514", syslog.LOG_INFO, "")

if err == nil {
    log.Hooks.Add(hook)
  }
}
```

If you want to connect to local syslog (Ex. "/dev/log" or "/var/run/syslog" or "/var/run/log"). Just assign empty string to the first two parameters of `NewSyslogHook`. It should look like the following.

```go
import (
  "log/syslog"
  "github.com/sirupsen/logrus"
  lSyslog "github.com/sirupsen/logrus/hooks/syslog"
)

func main() {
  log       := logrus.New()
  hook, err := lSyslog.NewSyslogHook("", "", syslog.LOG_INFO, "")

if err == nil {
    log.Hooks.Add(hook)
  }
}
```

### Different log levels for local and remote logging

By default `NewSyslogHook()` sends logs through the hook for all log levels. If you want to have
different log levels between local logging and syslog logging (i.e. respect the `priority` argument
passed to `NewSyslogHook()`), you need to implement the `logrus_syslog.SyslogHook` interface
overriding `Levels()` to return only the log levels you're interested on.

The following example shows how to log at **DEBUG** level for local logging and **WARN** level for
syslog logging:

```go
package main

import (
	"log/syslog"

log "github.com/sirupsen/logrus"
	logrus_syslog "github.com/sirupsen/logrus/hooks/syslog"
)

type customHook struct {
	*logrus_syslog.SyslogHook
}

func (h *customHook) Levels() []log.Level {
	return []log.Level{log.WarnLevel}
}

func main() {
	log.SetLevel(log.DebugLevel)

hook, err := logrus_syslog.NewSyslogHook("tcp", "localhost:5140", syslog.LOG_WARNING, "myTag")
	if err != nil {
		panic(err)
	}

log.AddHook(&customHook{hook})

//...
}
```

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