Using WithPrefix for loggers

internal/shadowsocks/command.go

@@ -9,7 +9,7 @@ import (
 )
 
 func (c *configurator) Start(server string, port uint16, password string, log bool) (stdout io.ReadCloser, waitFn func() error, err error) {
-	c.logger.Info("%s: starting shadowsocks server", logPrefix)
+	c.logger.Info("starting shadowsocks server")
 	args := []string{
 		"-c", string(constants.ShadowsocksConf),
 		"-p", fmt.Sprintf("%d", port),

internal/shadowsocks/conf.go

@@ -9,7 +9,7 @@ import (
 )
 
 func (c *configurator) MakeConf(port uint16, password, method string, uid, gid int) (err error) {
-	c.logger.Info("%s: generating configuration file", logPrefix)
+	c.logger.Info("generating configuration file")
 	data := generateConf(port, password, method)
 	return c.fileManager.WriteToFile(
 		string(constants.ShadowsocksConf),

internal/shadowsocks/conf_test.go

@@ -58,7 +58,7 @@ func Test_MakeConf(t *testing.T) {
 			mockCtrl := gomock.NewController(t)
 			defer mockCtrl.Finish()
 			logger := mock_logging.NewMockLogger(mockCtrl)
-			logger.EXPECT().Info("%s: generating configuration file", logPrefix).Times(1)
+			logger.EXPECT().Info("generating configuration file").Times(1)
 			fileManager := mock_files.NewMockFileManager(mockCtrl)
 			fileManager.EXPECT().WriteToFile(
 				string(constants.ShadowsocksConf),

internal/shadowsocks/shadowsocks.go

@@ -8,8 +8,6 @@ import (
 	"github.com/qdm12/golibs/logging"
 )
 
-const logPrefix = "shadowsocks configurator"
-
 type Configurator interface {
 	Version() (string, error)
 	MakeConf(port uint16, password, method string, uid, gid int) (err error)
@@ -23,5 +21,8 @@ type configurator struct {
 }
 
 func NewConfigurator(fileManager files.FileManager, logger logging.Logger) Configurator {
-	return &configurator{fileManager, logger, command.NewCommander()}
+	return &configurator{
+		fileManager: fileManager,
+		logger:      logger.WithPrefix("shadowsocks configurator: "),
+		commander:   command.NewCommander()}
 }