mirror of
https://github.com/grafana/grafana.git
synced 2024-11-30 12:44:10 -06:00
106 lines
2.1 KiB
Go
106 lines
2.1 KiB
Go
//go:build !windows && !nacl && !plan9
|
|
// +build !windows,!nacl,!plan9
|
|
|
|
package log
|
|
|
|
import (
|
|
"errors"
|
|
"log/syslog"
|
|
"os"
|
|
|
|
"github.com/inconshreveable/log15"
|
|
"gopkg.in/ini.v1"
|
|
)
|
|
|
|
type SysLogHandler struct {
|
|
syslog *syslog.Writer
|
|
Network string
|
|
Address string
|
|
Facility string
|
|
Tag string
|
|
Format log15.Format
|
|
}
|
|
|
|
func NewSyslog(sec *ini.Section, format log15.Format) *SysLogHandler {
|
|
handler := &SysLogHandler{
|
|
Format: log15.LogfmtFormat(),
|
|
}
|
|
|
|
handler.Format = format
|
|
handler.Network = sec.Key("network").MustString("")
|
|
handler.Address = sec.Key("address").MustString("")
|
|
handler.Facility = sec.Key("facility").MustString("local7")
|
|
handler.Tag = sec.Key("tag").MustString("")
|
|
|
|
if err := handler.Init(); err != nil {
|
|
Root.Error("Failed to init syslog log handler", "error", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
return handler
|
|
}
|
|
|
|
func (sw *SysLogHandler) Init() error {
|
|
prio, err := parseFacility(sw.Facility)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
w, err := syslog.Dial(sw.Network, sw.Address, prio, sw.Tag)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
sw.syslog = w
|
|
return nil
|
|
}
|
|
|
|
func (sw *SysLogHandler) Log(r *log15.Record) error {
|
|
var err error
|
|
|
|
msg := string(sw.Format.Format(r))
|
|
|
|
switch r.Lvl {
|
|
case log15.LvlDebug:
|
|
err = sw.syslog.Debug(msg)
|
|
case log15.LvlInfo:
|
|
err = sw.syslog.Info(msg)
|
|
case log15.LvlWarn:
|
|
err = sw.syslog.Warning(msg)
|
|
case log15.LvlError:
|
|
err = sw.syslog.Err(msg)
|
|
case log15.LvlCrit:
|
|
err = sw.syslog.Crit(msg)
|
|
default:
|
|
err = errors.New("invalid syslog level")
|
|
}
|
|
|
|
return err
|
|
}
|
|
|
|
func (sw *SysLogHandler) Close() error {
|
|
return sw.syslog.Close()
|
|
}
|
|
|
|
var facilities = map[string]syslog.Priority{
|
|
"user": syslog.LOG_USER,
|
|
"daemon": syslog.LOG_DAEMON,
|
|
"local0": syslog.LOG_LOCAL0,
|
|
"local1": syslog.LOG_LOCAL1,
|
|
"local2": syslog.LOG_LOCAL2,
|
|
"local3": syslog.LOG_LOCAL3,
|
|
"local4": syslog.LOG_LOCAL4,
|
|
"local5": syslog.LOG_LOCAL5,
|
|
"local6": syslog.LOG_LOCAL6,
|
|
"local7": syslog.LOG_LOCAL7,
|
|
}
|
|
|
|
func parseFacility(facility string) (syslog.Priority, error) {
|
|
prio, ok := facilities[facility]
|
|
if !ok {
|
|
return syslog.LOG_LOCAL0, errors.New("invalid syslog facility")
|
|
}
|
|
|
|
return prio, nil
|
|
}
|