-
Notifications
You must be signed in to change notification settings - Fork 5
/
syslog.go
58 lines (50 loc) · 1.36 KB
/
syslog.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
// +build !windows,!nacl,!plan9
package syslog
import (
"fmt"
"log/syslog"
"os"
"github.com/bdlm/log"
stdLogger "github.com/bdlm/std/logger"
)
// Hook to send logs via syslog.
type Hook struct {
Writer *syslog.Writer
SyslogNetwork string
SyslogRaddr string
}
// NewHook creates a hook to be added to an instance of logger. This is called
// with `hook, err := NewHook("udp", "localhost:514", syslog.LOG_DEBUG, "")`
// `if err == nil { log.Hooks.Add(hook) }`
func NewHook(network, raddr string, priority syslog.Priority, tag string) (*Hook, error) {
w, err := syslog.Dial(network, raddr, priority, tag)
return &Hook{Writer: w, SyslogNetwork: network, SyslogRaddr: raddr}, err
}
// Fire executes the syslog hook.
func (hook *Hook) Fire(entry *log.Entry) error {
line, err := entry.String()
if err != nil {
fmt.Fprintf(os.Stderr, "Unable to read entry, %v", err)
return err
}
switch entry.Level {
case log.PanicLevel:
return hook.Writer.Crit(line)
case log.FatalLevel:
return hook.Writer.Crit(line)
case log.ErrorLevel:
return hook.Writer.Err(line)
case log.WarnLevel:
return hook.Writer.Warning(line)
case log.InfoLevel:
return hook.Writer.Info(line)
case log.DebugLevel:
return hook.Writer.Debug(line)
default:
return nil
}
}
// Levels returns all available log levels.
func (hook *Hook) Levels() []stdLogger.Level {
return log.AllLevels
}