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moby--moby/daemon/logger/syslog/syslog.go
Alexander Morozov 2717302cc6 Merge pull request #11654 from runcom/11650-syslog-close-redunant-nil-check
syslog Close() - Remove redunant nil check, s.writer cannot be nil
2015-03-23 12:32:26 -07:00

44 lines
729 B
Go

package syslog
import (
"fmt"
"log/syslog"
"os"
"path"
"sync"
"github.com/docker/docker/daemon/logger"
)
type Syslog struct {
writer *syslog.Writer
tag string
mu sync.Mutex
}
func New(tag string) (logger.Logger, error) {
log, err := syslog.New(syslog.LOG_USER, path.Base(os.Args[0]))
if err != nil {
return nil, err
}
return &Syslog{
writer: log,
tag: tag,
}, nil
}
func (s *Syslog) Log(msg *logger.Message) error {
logMessage := fmt.Sprintf("%s: %s", s.tag, string(msg.Line))
if msg.Source == "stderr" {
return s.writer.Err(logMessage)
}
return s.writer.Info(logMessage)
}
func (s *Syslog) Close() error {
return s.writer.Close()
}
func (s *Syslog) Name() string {
return "Syslog"
}