fix(syslog): the syslog service cannot be started properly because it…

… is unstable (#31)

log/syslog/syslog.go

@@ -23,19 +23,19 @@ type Logger struct {
 
 var _ log.Logger = (*Logger)(nil)
 
-func New(config *Config) (*Logger, error) {
-	s := &Logger{
+func New(config *Config) *Logger {
+	return &Logger{
 		config: config,
 	}
-
-	if err := s.connect(); err != nil {
-		return nil, err
-	}
-
-	return s, nil
 }
 
 func (l *Logger) Log(level log.Level, keyvals ...interface{}) error {
+	if l.conn == nil {
+		if err := l.connect(); err != nil {
+			return err
+		}
+	}
+
 	if len(keyvals) == 0 {
 		return nil
 	}

log/syslog/syslog_test.go

@@ -3,26 +3,25 @@
 package syslog
 
 import (
+	"runtime"
 	"testing"
 
 	"github.com/go-kratos/kratos/v2/log"
 )
 
 func TestSyslogLogger(t *testing.T) {
-	t.Skip("skip syslog test")
+	if runtime.GOOS == "windows" {
+		t.Skip("skip syslog test")
+	}
 
-	logger, err := New(&Config{
+	logger := New(&Config{
 		Network: "udp",
 		Addr:    "192.168.8.92:30732",
 		Tag:     "test",
 	})
 	defer logger.Close()
 
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	err = logger.Log(log.LevelDebug, "test", "test")
+	err := logger.Log(log.LevelDebug, "test", "test")
 	if err != nil {
 		t.Fatal(err)
 	}