refactor log module

pkg/infrastructure/logs/alils/alils.go

@@ -2,12 +2,14 @@ package alils
 
 import (
 	"encoding/json"
+	"fmt"
 	"strings"
 	"sync"
 
-	"github.com/astaxie/beego/pkg/infrastructure/logs"
-	"github.com/astaxie/beego/pkg/infrastructure/utils"
 	"github.com/gogo/protobuf/proto"
+	"github.com/pkg/errors"
+
+	"github.com/astaxie/beego/pkg/infrastructure/logs"
 )
 
 const (
@@ -28,6 +30,7 @@ type Config struct {
 	Source    string   `json:"source"`
 	Level     int      `json:"level"`
 	FlushWhen int      `json:"flush_when"`
+	Formatter string   `json:"formatter"`
 }
 
 // aliLSWriter implements LoggerInterface.
@@ -38,30 +41,24 @@ type aliLSWriter struct {
 	withMap  bool
 	groupMap map[string]*LogGroup
 	lock     *sync.Mutex
-	customFormatter func(*logs.LogMsg) string
 	Config
+	formatter logs.LogFormatter
 }
 
 // NewAliLS creates a new Logger
 func NewAliLS() logs.Logger {
 	alils := new(aliLSWriter)
 	alils.Level = logs.LevelTrace
+	alils.formatter = alils
 	return alils
 }
 
 // Init parses config and initializes struct
-func (c *aliLSWriter) Init(jsonConfig string, opts ...utils.KV) error {
+func (c *aliLSWriter) Init(config string) error {
-
+	err := json.Unmarshal([]byte(config), c)
-	for _, elem := range opts {
-		if elem.GetKey() == "formatter" {
-			formatter, err := logs.GetFormatter(elem)
 	if err != nil {
 		return err
 	}
-			c.customFormatter = formatter
-		}
-	}
-	json.Unmarshal([]byte(jsonConfig), c)
 
 	if c.FlushWhen > CacheSize {
 		c.FlushWhen = CacheSize
@@ -110,11 +107,23 @@ func (c *aliLSWriter) Init(jsonConfig string, opts ...utils.KV) error {
 
 	c.lock = &sync.Mutex{}
 
+	if len(c.Formatter) > 0 {
+		fmtr, ok := logs.GetFormatter(c.Formatter)
+		if !ok {
+			return errors.New(fmt.Sprintf("the formatter with name: %s not found", c.Formatter))
+		}
+		c.formatter = fmtr
+	}
+
 	return nil
 }
 
 func (c *aliLSWriter) Format(lm *logs.LogMsg) string {
-	return lm.Msg
+	return lm.OldStyleFormat()
+}
+
+func (c *aliLSWriter) SetFormatter(f logs.LogFormatter) {
+	c.formatter = f
 }
 
 // WriteMsg writes a message in connection.
@@ -145,11 +154,7 @@ func (c *aliLSWriter) WriteMsg(lm *logs.LogMsg) error {
 		lg = c.group[0]
 	}
 
-	if c.customFormatter != nil {
+	content = c.formatter.Format(lm)
-		content = c.customFormatter(lm)
-	} else {
-		content = c.Format(lm)
-	}
 
 	c1 := &LogContent{
 		Key:   proto.String("msg"),
@@ -170,7 +175,6 @@ func (c *aliLSWriter) WriteMsg(lm *logs.LogMsg) error {
 	if len(lg.Logs) >= c.FlushWhen {
 		c.flush(lg)
 	}
-
 	return nil
 }
 

pkg/infrastructure/logs/conn.go

@@ -16,10 +16,11 @@ package logs
 
 import (
 	"encoding/json"
+	"fmt"
 	"io"
 	"net"
 
-	"github.com/astaxie/beego/pkg/infrastructure/utils"
+	"github.com/pkg/errors"
 )
 
 // connWriter implements LoggerInterface.
@@ -27,7 +28,8 @@ import (
 type connWriter struct {
 	lg             *logWriter
 	innerWriter    io.WriteCloser
-	customFormatter func(*LogMsg) string
+	formatter      LogFormatter
+	Formatter      string `json:"formatter"`
 	ReconnectOnMsg bool   `json:"reconnectOnMsg"`
 	Reconnect      bool   `json:"reconnect"`
 	Net            string `json:"net"`
@@ -39,28 +41,30 @@ type connWriter struct {
 func NewConn() Logger {
 	conn := new(connWriter)
 	conn.Level = LevelTrace
+	conn.formatter = conn
 	return conn
 }
 
 func (c *connWriter) Format(lm *LogMsg) string {
-	return lm.Msg
+	return lm.OldStyleFormat()
 }
 
 // Init initializes a connection writer with json config.
 // json config only needs they "level" key
-func (c *connWriter) Init(jsonConfig string, opts ...utils.KV) error {
+func (c *connWriter) Init(config string) error {
+	res := json.Unmarshal([]byte(config), c)
+	if res == nil && len(c.Formatter) > 0 {
+		fmtr, ok := GetFormatter(c.Formatter)
+		if !ok {
+			return errors.New(fmt.Sprintf("the formatter with name: %s not found", c.Formatter))
+		}
+		c.formatter = fmtr
+	}
+	return res
+}
 
-	for _, elem := range opts {
+func (c *connWriter) SetFormatter(f LogFormatter) {
-		if elem.GetKey() == "formatter" {
+	c.formatter = f
-			formatter, err := GetFormatter(elem)
-			if err != nil {
-				return err
-			}
-			c.customFormatter = formatter
-		}
-	}
-
-	return json.Unmarshal([]byte(jsonConfig), c)
 }
 
 // WriteMsg writes message in connection.
@@ -80,13 +84,7 @@ func (c *connWriter) WriteMsg(lm *LogMsg) error {
 		defer c.innerWriter.Close()
 	}
 
-	msg := ""
+	msg := c.formatter.Format(lm)
-	if c.customFormatter != nil {
-		msg = c.customFormatter(lm)
-	} else {
-		msg = c.Format(lm)
-
-	}
 
 	_, err := c.lg.writeln(msg)
 	if err != nil {

pkg/infrastructure/logs/console.go

@@ -16,11 +16,11 @@ package logs
 
 import (
 	"encoding/json"
+	"fmt"
 	"os"
 	"strings"
 
-	"github.com/astaxie/beego/pkg/infrastructure/utils"
+	"github.com/pkg/errors"
-
 	"github.com/shiena/ansicolor"
 )
 
@@ -50,19 +50,24 @@ var colors = []brush{
 // consoleWriter implements LoggerInterface and writes messages to terminal.
 type consoleWriter struct {
 	lg        *logWriter
-	customFormatter func(*LogMsg) string
+	formatter LogFormatter
+	Formatter string `json:"formatter"`
 	Level     int    `json:"level"`
-	Colorful        bool `json:"color"` //this filed is useful only when system's terminal supports color
+	Colorful  bool   `json:"color"` // this filed is useful only when system's terminal supports color
 }
 
 func (c *consoleWriter) Format(lm *LogMsg) string {
-	msg := lm.Msg
+	msg := lm.OldStyleFormat()
-
+	if c.Colorful {
+		msg = strings.Replace(lm.Msg, levelPrefix[lm.Level], colors[lm.Level](levelPrefix[lm.Level]), 1)
+	}
 	h, _, _ := formatTimeHeader(lm.When)
 	bytes := append(append(h, msg...), '\n')
-
 	return string(bytes)
+}
 
+func (c *consoleWriter) SetFormatter(f LogFormatter) {
+	c.formatter = f
 }
 
 // NewConsole creates ConsoleWriter returning as LoggerInterface.
@@ -72,28 +77,27 @@ func NewConsole() Logger {
 		Level:    LevelDebug,
 		Colorful: true,
 	}
+	cw.formatter = cw
 	return cw
 }
 
 // Init initianlizes the console logger.
 // jsonConfig must be in the format '{"level":LevelTrace}'
-func (c *consoleWriter) Init(jsonConfig string, opts ...utils.KV) error {
+func (c *consoleWriter) Init(config string) error {
 
-	for _, elem := range opts {
+	if len(config) == 0 {
-		if elem.GetKey() == "formatter" {
-			formatter, err := GetFormatter(elem)
-			if err != nil {
-				return err
-			}
-			c.customFormatter = formatter
-		}
-	}
-
-	if len(jsonConfig) == 0 {
 		return nil
 	}
 
-	return json.Unmarshal([]byte(jsonConfig), c)
+	res := json.Unmarshal([]byte(config), c)
+	if res == nil && len(c.Formatter) > 0 {
+		fmtr, ok := GetFormatter(c.Formatter)
+		if !ok {
+			return errors.New(fmt.Sprintf("the formatter with name: %s not found", c.Formatter))
+		}
+		c.formatter = fmtr
+	}
+	return res
 }
 
 // WriteMsg writes message in console.
@@ -101,20 +105,7 @@ func (c *consoleWriter) WriteMsg(lm *LogMsg) error {
 	if lm.Level > c.Level {
 		return nil
 	}
-
+	msg := c.formatter.Format(lm)
-	msg := ""
-
-	if c.Colorful {
-		lm.Msg = strings.Replace(lm.Msg, levelPrefix[lm.Level], colors[lm.Level](levelPrefix[lm.Level]), 1)
-	}
-
-	if c.customFormatter != nil {
-		msg = c.customFormatter(lm)
-	} else {
-		msg = c.Format(lm)
-
-	}
-
 	c.lg.writeln(msg)
 	return nil
 }

pkg/infrastructure/logs/es/es.go

@@ -13,7 +13,6 @@ import (
 	"github.com/elastic/go-elasticsearch/v6/esapi"
 
 	"github.com/astaxie/beego/pkg/infrastructure/logs"
-	"github.com/astaxie/beego/pkg/infrastructure/utils"
 )
 
 // NewES returns a LoggerInterface
@@ -34,27 +33,32 @@ type esLogger struct {
 	*elasticsearch.Client
 	DSN       string `json:"dsn"`
 	Level     int    `json:"level"`
-	customFormatter func(*logs.LogMsg) string
+	formatter logs.LogFormatter
+	Formatter string `json:"formatter"`
 }
 
 func (el *esLogger) Format(lm *logs.LogMsg) string {
-	return lm.Msg
+
+	msg := lm.OldStyleFormat()
+	idx := LogDocument{
+		Timestamp: lm.When.Format(time.RFC3339),
+		Msg:       msg,
+	}
+	body, err := json.Marshal(idx)
+	if err != nil {
+		return msg
+	}
+	return string(body)
+}
+
+func (el *esLogger) SetFormatter(f logs.LogFormatter) {
+	el.formatter = f
 }
 
 // {"dsn":"http://localhost:9200/","level":1}
-func (el *esLogger) Init(jsonConfig string, opts ...utils.KV) error {
+func (el *esLogger) Init(config string) error {
 
-	for _, elem := range opts {
+	err := json.Unmarshal([]byte(config), el)
-		if elem.GetKey() == "formatter" {
-			formatter, err := logs.GetFormatter(elem)
-			if err != nil {
-				return err
-			}
-			el.customFormatter = formatter
-		}
-	}
-
-	err := json.Unmarshal([]byte(jsonConfig), el)
 	if err != nil {
 		return err
 	}
@@ -73,6 +77,13 @@ func (el *esLogger) Init(jsonConfig string, opts ...utils.KV) error {
 		}
 		el.Client = conn
 	}
+	if len(el.Formatter) > 0 {
+		fmtr, ok := logs.GetFormatter(el.Formatter)
+		if !ok {
+			return errors.New(fmt.Sprintf("the formatter with name: %s not found", el.Formatter))
+		}
+		el.formatter = fmtr
+	}
 	return nil
 }
 
@@ -82,28 +93,14 @@ func (el *esLogger) WriteMsg(lm *logs.LogMsg) error {
 		return nil
 	}
 
-	msg := ""
+	msg := el.formatter.Format(lm)
-	if el.customFormatter != nil {
-		msg = el.customFormatter(lm)
-	} else {
-		msg = el.Format(lm)
-	}
 
-	idx := LogDocument{
-		Timestamp: lm.When.Format(time.RFC3339),
-		Msg:       msg,
-	}
-
-	body, err := json.Marshal(idx)
-	if err != nil {
-		return err
-	}
 	req := esapi.IndexRequest{
 		Index:        fmt.Sprintf("%04d.%02d.%02d", lm.When.Year(), lm.When.Month(), lm.When.Day()),
 		DocumentType: "logs",
-		Body:         strings.NewReader(string(body)),
+		Body:         strings.NewReader(msg),
 	}
-	_, err = req.Do(context.Background(), el.Client)
+	_, err := req.Do(context.Background(), el.Client)
 	return err
 }
 

pkg/infrastructure/logs/file.go

@@ -27,8 +27,6 @@ import (
 	"strings"
 	"sync"
 	"time"
-
-	"github.com/astaxie/beego/pkg/infrastructure/utils"
 )
 
 // fileLogWriter implements LoggerInterface.
@@ -62,8 +60,6 @@ type fileLogWriter struct {
 	hourlyOpenDate int
 	hourlyOpenTime time.Time
 
-	customFormatter func(*LogMsg) string
-
 	Rotate bool `json:"rotate"`
 
 	Level int `json:"level"`
@@ -73,6 +69,9 @@ type fileLogWriter struct {
 	RotatePerm string `json:"rotateperm"`
 
 	fileNameOnly, suffix string // like "project.log", project is fileNameOnly and .log is suffix
+
+	formatter LogFormatter
+	Formatter string `json:"formatter"`
 }
 
 // newFileWriter creates a FileLogWriter returning as LoggerInterface.
@@ -90,11 +89,19 @@ func newFileWriter() Logger {
 		MaxFiles:   999,
 		MaxSize:    1 << 28,
 	}
+	w.formatter = w
 	return w
 }
 
 func (w *fileLogWriter) Format(lm *LogMsg) string {
-	return lm.Msg
+	msg := lm.OldStyleFormat()
+	hd, _, _ := formatTimeHeader(lm.When)
+	msg = fmt.Sprintf("%s %s\n", string(hd), msg)
+	return msg
+}
+
+func (w *fileLogWriter) SetFormatter(f LogFormatter) {
+	w.formatter = f
 }
 
 // Init file logger with json config.
@@ -108,19 +115,9 @@ func (w *fileLogWriter) Format(lm *LogMsg) string {
 //  "rotate":true,
 //      "perm":"0600"
 //  }
-func (w *fileLogWriter) Init(jsonConfig string, opts ...utils.KV) error {
+func (w *fileLogWriter) Init(config string) error {
 
-	for _, elem := range opts {
+	err := json.Unmarshal([]byte(config), w)
-		if elem.GetKey() == "formatter" {
-			formatter, err := GetFormatter(elem)
-			if err != nil {
-				return err
-			}
-			w.customFormatter = formatter
-		}
-	}
-
-	err := json.Unmarshal([]byte(jsonConfig), w)
 	if err != nil {
 		return err
 	}
@@ -132,6 +129,14 @@ func (w *fileLogWriter) Init(jsonConfig string, opts ...utils.KV) error {
 	if w.suffix == "" {
 		w.suffix = ".log"
 	}
+
+	if len(w.Formatter) > 0 {
+		fmtr, ok := GetFormatter(w.Formatter)
+		if !ok {
+			return errors.New(fmt.Sprintf("the formatter with name: %s not found", w.Formatter))
+		}
+		w.formatter = fmtr
+	}
 	err = w.startLogger()
 	return err
 }
@@ -149,13 +154,13 @@ func (w *fileLogWriter) startLogger() error {
 	return w.initFd()
 }
 
-func (w *fileLogWriter) needRotateDaily(size int, day int) bool {
+func (w *fileLogWriter) needRotateDaily(day int) bool {
 	return (w.MaxLines > 0 && w.maxLinesCurLines >= w.MaxLines) ||
 		(w.MaxSize > 0 && w.maxSizeCurSize >= w.MaxSize) ||
 		(w.Daily && day != w.dailyOpenDate)
 }
 
-func (w *fileLogWriter) needRotateHourly(size int, hour int) bool {
+func (w *fileLogWriter) needRotateHourly(hour int) bool {
 	return (w.MaxLines > 0 && w.maxLinesCurLines >= w.MaxLines) ||
 		(w.MaxSize > 0 && w.maxSizeCurSize >= w.MaxSize) ||
 		(w.Hourly && hour != w.hourlyOpenDate)
@@ -167,31 +172,25 @@ func (w *fileLogWriter) WriteMsg(lm *LogMsg) error {
 	if lm.Level > w.Level {
 		return nil
 	}
-	hd, d, h := formatTimeHeader(lm.When)
-	msg := ""
 
-	if w.customFormatter != nil {
+	_, d, h := formatTimeHeader(lm.When)
-		msg = w.customFormatter(lm)
-	} else {
-		msg = w.Format(lm)
-	}
 
-	msg = fmt.Sprintf("%s %s\n", string(hd), msg)
+	msg := w.formatter.Format(lm)
 	if w.Rotate {
 		w.RLock()
-		if w.needRotateHourly(len(lm.Msg), h) {
+		if w.needRotateHourly(h) {
 			w.RUnlock()
 			w.Lock()
-			if w.needRotateHourly(len(lm.Msg), h) {
+			if w.needRotateHourly(h) {
 				if err := w.doRotate(lm.When); err != nil {
 					fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
 				}
 			}
 			w.Unlock()
-		} else if w.needRotateDaily(len(lm.Msg), d) {
+		} else if w.needRotateDaily(d) {
 			w.RUnlock()
 			w.Lock()
-			if w.needRotateDaily(len(lm.Msg), d) {
+			if w.needRotateDaily(d) {
 				if err := w.doRotate(lm.When); err != nil {
 					fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
 				}
@@ -263,7 +262,7 @@ func (w *fileLogWriter) dailyRotate(openTime time.Time) {
 	tm := time.NewTimer(time.Duration(nextDay.UnixNano() - openTime.UnixNano() + 100))
 	<-tm.C
 	w.Lock()
-	if w.needRotateDaily(0, time.Now().Day()) {
+	if w.needRotateDaily(time.Now().Day()) {
 		if err := w.doRotate(time.Now()); err != nil {
 			fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
 		}
@@ -278,7 +277,7 @@ func (w *fileLogWriter) hourlyRotate(openTime time.Time) {
 	tm := time.NewTimer(time.Duration(nextHour.UnixNano() - openTime.UnixNano() + 100))
 	<-tm.C
 	w.Lock()
-	if w.needRotateHourly(0, time.Now().Hour()) {
+	if w.needRotateHourly(time.Now().Hour()) {
 		if err := w.doRotate(time.Now()); err != nil {
 			fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
 		}

pkg/infrastructure/logs/file_test.go

@@ -268,6 +268,7 @@ func testFileRotate(t *testing.T, fn1, fn2 string, daily, hourly bool) {
 		Perm:       "0660",
 		RotatePerm: "0440",
 	}
+	fw.formatter = fw
 
 	if daily {
 		fw.Init(fmt.Sprintf(`{"filename":"%v","maxdays":1}`, fn1))
@@ -308,6 +309,8 @@ func testFileDailyRotate(t *testing.T, fn1, fn2 string) {
 		Perm:       "0660",
 		RotatePerm: "0440",
 	}
+	fw.formatter = fw
+
 	fw.Init(fmt.Sprintf(`{"filename":"%v","maxdays":1}`, fn1))
 	fw.dailyOpenTime = time.Now().Add(-24 * time.Hour)
 	fw.dailyOpenDate = fw.dailyOpenTime.Day()
@@ -340,6 +343,8 @@ func testFileHourlyRotate(t *testing.T, fn1, fn2 string) {
 		Perm:       "0660",
 		RotatePerm: "0440",
 	}
+
+	fw.formatter = fw
 	fw.Init(fmt.Sprintf(`{"filename":"%v","maxhours":1}`, fn1))
 	fw.hourlyOpenTime = time.Now().Add(-1 * time.Hour)
 	fw.hourlyOpenDate = fw.hourlyOpenTime.Hour()

pkg/infrastructure/logs/formatter.go

@@ -0,0 +1,34 @@
+// Copyright 2020
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package logs
+
+var formatterMap = make(map[string]LogFormatter, 4)
+
+type LogFormatter interface {
+	Format(lm *LogMsg) string
+}
+
+// RegisterFormatter register an formatter. Usually you should use this to extend your custom formatter
+// for example:
+// RegisterFormatter("my-fmt", &MyFormatter{})
+// logs.SetFormatter(Console, `{"formatter": "my-fmt"}`)
+func RegisterFormatter(name string, fmtr LogFormatter) {
+	formatterMap[name] = fmtr
+}
+
+func GetFormatter(name string) (LogFormatter, bool) {
+	res, ok := formatterMap[name]
+	return res, ok
+}

pkg/infrastructure/logs/jianliao.go

@@ -6,7 +6,7 @@ import (
 	"net/http"
 	"net/url"
 
-	"github.com/astaxie/beego/pkg/infrastructure/utils"
+	"github.com/pkg/errors"
 )
 
 // JLWriter implements beego LoggerInterface and is used to send jiaoliao webhook
@@ -17,31 +17,38 @@ type JLWriter struct {
 	RedirectURL string `json:"redirecturl,omitempty"`
 	ImageURL    string `json:"imageurl,omitempty"`
 	Level       int    `json:"level"`
-	customFormatter func(*LogMsg) string
+
+	formatter LogFormatter
+	Formatter string `json:"formatter"`
 }
 
 // newJLWriter creates jiaoliao writer.
 func newJLWriter() Logger {
-	return &JLWriter{Level: LevelTrace}
+	res := &JLWriter{Level: LevelTrace}
+	res.formatter = res
+	return res
 }
 
 // Init JLWriter with json config string
-func (s *JLWriter) Init(jsonConfig string, opts ...utils.KV) error {
+func (s *JLWriter) Init(config string) error {
-	for _, elem := range opts {
-		if elem.GetKey() == "formatter" {
-			formatter, err := GetFormatter(elem)
-			if err != nil {
-				return err
-			}
-			s.customFormatter = formatter
-		}
-	}
 
-	return json.Unmarshal([]byte(jsonConfig), s)
+	res := json.Unmarshal([]byte(config), s)
+	if res == nil && len(s.Formatter) > 0 {
+		fmtr, ok := GetFormatter(s.Formatter)
+		if !ok {
+			return errors.New(fmt.Sprintf("the formatter with name: %s not found", s.Formatter))
+		}
+		s.formatter = fmtr
+	}
+	return res
 }
 
 func (s *JLWriter) Format(lm *LogMsg) string {
-	return lm.Msg
+	return lm.OldStyleFormat()
+}
+
+func (s *JLWriter) SetFormatter(f LogFormatter) {
+	s.formatter = f
 }
 
 // WriteMsg writes message in smtp writer.
@@ -51,14 +58,7 @@ func (s *JLWriter) WriteMsg(lm *LogMsg) error {
 		return nil
 	}
 
-	text := ""
+	text := s.formatter.Format(lm)
-
-	if s.customFormatter != nil {
-		text = fmt.Sprintf("%s %s", lm.When.Format("2006-01-02 15:04:05"), s.customFormatter(lm))
-	} else {
-		text = fmt.Sprintf("%s %s", lm.When.Format("2006-01-02 15:04:05"), s.Format(lm))
-
-	}
 
 	form := url.Values{}
 	form.Add("authorName", s.AuthorName)

pkg/infrastructure/logs/log.go

@@ -38,13 +38,12 @@ import (
 	"log"
 	"os"
 	"path"
-	"reflect"
 	"runtime"
 	"strings"
 	"sync"
 	"time"
 
-	"github.com/astaxie/beego/pkg/infrastructure/utils"
+	"github.com/pkg/errors"
 )
 
 // RFC5424 log message levels.
@@ -87,11 +86,11 @@ type newLoggerFunc func() Logger
 
 // Logger defines the behavior of a log provider.
 type Logger interface {
-	Init(config string, opts ...utils.KV) error
+	Init(config string) error
 	WriteMsg(lm *LogMsg) error
-	Format(lm *LogMsg) string
 	Destroy()
 	Flush()
+	SetFormatter(f LogFormatter)
 }
 
 var adapters = make(map[string]newLoggerFunc)
@@ -118,7 +117,6 @@ type BeeLogger struct {
 	init                bool
 	enableFuncCallDepth bool
 	loggerFuncCallDepth int
-	globalFormatter     func(*LogMsg) string
 	enableFullFilePath  bool
 	asynchronous        bool
 	prefix              string
@@ -127,6 +125,7 @@ type BeeLogger struct {
 	signalChan          chan string
 	wg                  sync.WaitGroup
 	outputs             []*nameLogger
+	globalFormatter     string
 }
 
 const defaultAsyncMsgLen = 1e3
@@ -142,10 +141,10 @@ type LogMsg struct {
 	When                time.Time
 	FilePath            string
 	LineNumber          int
-}
+	Args                []interface{}
-
+	Prefix              string
-type LogFormatter interface {
+	enableFullFilePath  bool
-	Format(lm *LogMsg) string
+	enableFuncCallDepth bool
 }
 
 var logMsgPool *sync.Pool
@@ -188,8 +187,25 @@ func (bl *BeeLogger) Async(msgLen ...int64) *BeeLogger {
 	return bl
 }
 
-func Format(lm *LogMsg) string {
+// OldStyleFormat you should never invoke this
-	return lm.Msg
+func (lm *LogMsg) OldStyleFormat() string {
+	msg := lm.Msg
+
+	if len(lm.Args) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, lm.Args...)
+	}
+
+	msg = lm.Prefix + " " + msg
+
+	if lm.enableFuncCallDepth {
+		if !lm.enableFullFilePath {
+			_, lm.FilePath = path.Split(lm.FilePath)
+		}
+		msg = fmt.Sprintf("[%s:%d] %s", lm.FilePath, lm.LineNumber, msg)
+	}
+
+	msg = levelPrefix[lm.Level] + " " + msg
+	return msg
 }
 
 // SetLogger provides a given logger adapter into BeeLogger with config string.
@@ -208,15 +224,17 @@ func (bl *BeeLogger) setLogger(adapterName string, configs ...string) error {
 	}
 
 	lg := logAdapter()
-	var err error
 
 	// Global formatter overrides the default set formatter
-	// but not adapter specific formatters set with logs.SetLoggerWithOpts()
+	if len(bl.globalFormatter) > 0 {
-	if bl.globalFormatter != nil {
+		fmtr, ok := GetFormatter(bl.globalFormatter)
-		err = lg.Init(config, &utils.SimpleKV{Key: "formatter", Value: bl.globalFormatter})
+		if !ok {
-	} else {
+			return errors.New(fmt.Sprintf("the formatter with name: %s not found", bl.globalFormatter))
-		err = lg.Init(config)
 		}
+		lg.SetFormatter(fmtr)
+	}
+
+	err := lg.Init(config)
 
 	if err != nil {
 		fmt.Fprintln(os.Stderr, "logs.BeeLogger.SetLogger: "+err.Error())
@@ -287,46 +305,34 @@ func (bl *BeeLogger) Write(p []byte) (n int, err error) {
 	return 0, err
 }
 
-func (bl *BeeLogger) writeMsg(lm *LogMsg, v ...interface{}) error {
+func (bl *BeeLogger) writeMsg(lm *LogMsg) error {
 	if !bl.init {
 		bl.lock.Lock()
 		bl.setLogger(AdapterConsole)
 		bl.lock.Unlock()
 	}
 
-	if len(v) > 0 {
-		lm.Msg = fmt.Sprintf(lm.Msg, v...)
-	}
-
-	lm.Msg = bl.prefix + " " + lm.Msg
-
 	var (
 		file string
 		line int
 		ok   bool
 	)
 
-	if bl.enableFuncCallDepth {
 	_, file, line, ok = runtime.Caller(bl.loggerFuncCallDepth)
 	if !ok {
 		file = "???"
 		line = 0
 	}
-
-		if !bl.enableFullFilePath {
-			_, file = path.Split(file)
-		}
 	lm.FilePath = file
 	lm.LineNumber = line
-		lm.Msg = fmt.Sprintf("[%s:%d] %s", lm.FilePath, lm.LineNumber, lm.Msg)
+
-	}
+	lm.enableFullFilePath = bl.enableFullFilePath
+	lm.enableFuncCallDepth = bl.enableFuncCallDepth
 
 	// set level info in front of filename info
 	if lm.Level == levelLoggerImpl {
 		// set to emergency to ensure all log will be print out correctly
 		lm.Level = LevelEmergency
-	} else {
-		lm.Msg = levelPrefix[lm.Level] + " " + lm.Msg
 	}
 
 	if bl.asynchronous {
@@ -334,6 +340,10 @@ func (bl *BeeLogger) writeMsg(lm *LogMsg, v ...interface{}) error {
 		logM.Level = lm.Level
 		logM.Msg = lm.Msg
 		logM.When = lm.When
+		logM.Args = lm.Args
+		logM.FilePath = lm.FilePath
+		logM.LineNumber = lm.LineNumber
+		logM.Prefix = lm.Prefix
 		if bl.outputs != nil {
 			bl.msgChan <- lm
 		} else {
@@ -404,84 +414,14 @@ func (bl *BeeLogger) startLogger() {
 	}
 }
 
-// Get the formatter from the opts common.SimpleKV structure
+func (bl *BeeLogger) setGlobalFormatter(fmtter string) error {
-// Looks for a key: "formatter" with value: func(*LogMsg) string
-func GetFormatter(opts utils.KV) (func(*LogMsg) string, error) {
-	if strings.ToLower(opts.GetKey().(string)) == "formatter" {
-		formatterInterface := reflect.ValueOf(opts.GetValue()).Interface()
-		formatterFunc := formatterInterface.(func(*LogMsg) string)
-		return formatterFunc, nil
-	}
-
-	return nil, fmt.Errorf("no \"formatter\" key given in simpleKV")
-}
-
-// SetLoggerWithOpts sets a log adapter with a user defined logging format. Config must be valid JSON
-// such as: {"interval":360}
-func (bl *BeeLogger) setLoggerWithOpts(adapterName string, opts utils.KV, configs ...string) error {
-	config := append(configs, "{}")[0]
-	for _, l := range bl.outputs {
-		if l.name == adapterName {
-			return fmt.Errorf("logs: duplicate adaptername %q (you have set this logger before)", adapterName)
-		}
-	}
-
-	logAdapter, ok := adapters[adapterName]
-	if !ok {
-		return fmt.Errorf("logs: unknown adaptername %q (forgotten Register?)", adapterName)
-	}
-
-	if opts.GetKey() == nil {
-		return fmt.Errorf("No SimpleKV struct set for %s log adapter", adapterName)
-	}
-
-	lg := logAdapter()
-	err := lg.Init(config, opts)
-	if err != nil {
-		fmt.Fprintln(os.Stderr, "logs.BeeLogger.SetLogger: "+err.Error())
-		return err
-	}
-
-	bl.outputs = append(bl.outputs, &nameLogger{
-		name:   adapterName,
-		Logger: lg,
-	})
-
-	return nil
-}
-
-// SetLogger provides a given logger adapter into BeeLogger with config string.
-func (bl *BeeLogger) SetLoggerWithOpts(adapterName string, opts utils.KV, configs ...string) error {
-	bl.lock.Lock()
-	defer bl.lock.Unlock()
-	if !bl.init {
-		bl.outputs = []*nameLogger{}
-		bl.init = true
-	}
-	return bl.setLoggerWithOpts(adapterName, opts, configs...)
-}
-
-// SetLoggerWIthOpts sets a given log adapter with a custom log adapter.
-// Log Adapter must be given in the form common.SimpleKV{Key: "formatter": Value: struct.FormatFunc}
-// where FormatFunc has the signature func(*LogMsg) string
-// func SetLoggerWithOpts(adapter string, config []string, formatterFunc func(*LogMsg) string) error {
-func SetLoggerWithOpts(adapter string, config []string, opts utils.KV) error {
-	err := beeLogger.SetLoggerWithOpts(adapter, opts, config...)
-	if err != nil {
-		log.Fatal(err)
-	}
-	return nil
-
-}
-
-func (bl *BeeLogger) setGlobalFormatter(fmtter func(*LogMsg) string) error {
 	bl.globalFormatter = fmtter
 	return nil
 }
 
 // SetGlobalFormatter sets the global formatter for all log adapters
-// This overrides and other individually set adapter
+// don't forget to register the formatter by invoking RegisterFormatter
-func SetGlobalFormatter(fmtter func(*LogMsg) string) error {
+func SetGlobalFormatter(fmtter string) error {
 	return beeLogger.setGlobalFormatter(fmtter)
 }
 
@@ -513,11 +453,8 @@ func (bl *BeeLogger) Alert(format string, v ...interface{}) {
 		Level: LevelAlert,
 		Msg:   format,
 		When:  time.Now(),
+		Args:  v,
 	}
-	if len(v) > 0 {
-		lm.Msg = fmt.Sprintf(lm.Msg, v...)
-	}
-
 	bl.writeMsg(lm)
 }
 
@@ -530,9 +467,7 @@ func (bl *BeeLogger) Critical(format string, v ...interface{}) {
 		Level: LevelCritical,
 		Msg:   format,
 		When:  time.Now(),
-	}
+		Args:  v,
-	if len(v) > 0 {
-		lm.Msg = fmt.Sprintf(lm.Msg, v...)
 	}
 
 	bl.writeMsg(lm)
@@ -547,9 +482,7 @@ func (bl *BeeLogger) Error(format string, v ...interface{}) {
 		Level: LevelError,
 		Msg:   format,
 		When:  time.Now(),
-	}
+		Args:  v,
-	if len(v) > 0 {
-		lm.Msg = fmt.Sprintf(lm.Msg, v...)
 	}
 
 	bl.writeMsg(lm)
@@ -564,9 +497,7 @@ func (bl *BeeLogger) Warning(format string, v ...interface{}) {
 		Level: LevelWarn,
 		Msg:   format,
 		When:  time.Now(),
-	}
+		Args:  v,
-	if len(v) > 0 {
-		lm.Msg = fmt.Sprintf(lm.Msg, v...)
 	}
 
 	bl.writeMsg(lm)
@@ -581,9 +512,7 @@ func (bl *BeeLogger) Notice(format string, v ...interface{}) {
 		Level: LevelNotice,
 		Msg:   format,
 		When:  time.Now(),
-	}
+		Args:  v,
-	if len(v) > 0 {
-		lm.Msg = fmt.Sprintf(lm.Msg, v...)
 	}
 
 	bl.writeMsg(lm)
@@ -598,9 +527,7 @@ func (bl *BeeLogger) Informational(format string, v ...interface{}) {
 		Level: LevelInfo,
 		Msg:   format,
 		When:  time.Now(),
-	}
+		Args:  v,
-	if len(v) > 0 {
-		lm.Msg = fmt.Sprintf(lm.Msg, v...)
 	}
 
 	bl.writeMsg(lm)
@@ -615,9 +542,7 @@ func (bl *BeeLogger) Debug(format string, v ...interface{}) {
 		Level: LevelDebug,
 		Msg:   format,
 		When:  time.Now(),
-	}
+		Args:  v,
-	if len(v) > 0 {
-		lm.Msg = fmt.Sprintf(lm.Msg, v...)
 	}
 
 	bl.writeMsg(lm)
@@ -633,9 +558,7 @@ func (bl *BeeLogger) Warn(format string, v ...interface{}) {
 		Level: LevelWarn,
 		Msg:   format,
 		When:  time.Now(),
-	}
+		Args:  v,
-	if len(v) > 0 {
-		lm.Msg = fmt.Sprintf(lm.Msg, v...)
 	}
 
 	bl.writeMsg(lm)
@@ -651,9 +574,7 @@ func (bl *BeeLogger) Info(format string, v ...interface{}) {
 		Level: LevelInfo,
 		Msg:   format,
 		When:  time.Now(),
-	}
+		Args:  v,
-	if len(v) > 0 {
-		lm.Msg = fmt.Sprintf(lm.Msg, v...)
 	}
 
 	bl.writeMsg(lm)
@@ -669,9 +590,7 @@ func (bl *BeeLogger) Trace(format string, v ...interface{}) {
 		Level: LevelDebug,
 		Msg:   format,
 		When:  time.Now(),
-	}
+		Args:  v,
-	if len(v) > 0 {
-		lm.Msg = fmt.Sprintf(lm.Msg, v...)
 	}
 
 	bl.writeMsg(lm)

pkg/infrastructure/logs/log_formatter_test.go

@@ -1,35 +0,0 @@
-package logs
-
-import (
-	"fmt"
-	"testing"
-
-	"github.com/astaxie/beego/pkg/infrastructure/utils"
-)
-
-func customFormatter(lm *LogMsg) string {
-	return fmt.Sprintf("[CUSTOM CONSOLE LOGGING] %s", lm.Msg)
-}
-
-func globalFormatter(lm *LogMsg) string {
-	return fmt.Sprintf("[GLOBAL] %s", lm.Msg)
-}
-
-func TestCustomLoggingFormatter(t *testing.T) {
-	// beego.BConfig.Log.AccessLogs = true
-
-	SetLoggerWithOpts("console", []string{`{"color":true}`}, &utils.SimpleKV{Key: "formatter", Value: customFormatter})
-
-	// Message will be formatted by the customFormatter with colorful text set to true
-	Informational("Test message")
-}
-
-func TestGlobalLoggingFormatter(t *testing.T) {
-	SetGlobalFormatter(globalFormatter)
-
-	SetLogger("console", `{"color":true}`)
-
-	// Message will be formatted by globalFormatter
-	Informational("Test message")
-
-}

pkg/infrastructure/logs/multifile.go

@@ -16,8 +16,6 @@ package logs
 
 import (
 	"encoding/json"
-
-	"github.com/astaxie/beego/pkg/infrastructure/utils"
 )
 
 // A filesLogWriter manages several fileLogWriter
@@ -29,7 +27,6 @@ type multiFileLogWriter struct {
 	writers       [LevelDebug + 1 + 1]*fileLogWriter // the last one for fullLogWriter
 	fullLogWriter *fileLogWriter
 	Separate      []string `json:"separate"`
-	customFormatter func(*LogMsg) string
 }
 
 var levelNames = [...]string{"emergency", "alert", "critical", "error", "warning", "notice", "info", "debug"}
@@ -47,30 +44,27 @@ var levelNames = [...]string{"emergency", "alert", "critical", "error", "warning
 //	"separate":["emergency", "alert", "critical", "error", "warning", "notice", "info", "debug"],
 //	}
 
-func (f *multiFileLogWriter) Init(jsonConfig string, opts ...utils.KV) error {
+func (f *multiFileLogWriter) Init(config string) error {
-	for _, elem := range opts {
-		if elem.GetKey() == "formatter" {
-			formatter, err := GetFormatter(elem)
-			if err != nil {
-				return err
-			}
-			f.customFormatter = formatter
-		}
-	}
 
 	writer := newFileWriter().(*fileLogWriter)
-	err := writer.Init(jsonConfig)
+	err := writer.Init(config)
 	if err != nil {
 		return err
 	}
 	f.fullLogWriter = writer
 	f.writers[LevelDebug+1] = writer
 
-	//unmarshal "separate" field to f.Separate
+	// unmarshal "separate" field to f.Separate
-	json.Unmarshal([]byte(jsonConfig), f)
+	err = json.Unmarshal([]byte(config), f)
+	if err != nil {
+		return err
+	}
 
 	jsonMap := map[string]interface{}{}
-	json.Unmarshal([]byte(jsonConfig), &jsonMap)
+	err = json.Unmarshal([]byte(config), &jsonMap)
+	if err != nil {
+		return err
+	}
 
 	for i := LevelEmergency; i < LevelDebug+1; i++ {
 		for _, v := range f.Separate {
@@ -91,7 +85,11 @@ func (f *multiFileLogWriter) Init(jsonConfig string, opts ...utils.KV) error {
 }
 
 func (f *multiFileLogWriter) Format(lm *LogMsg) string {
-	return lm.Msg
+	return lm.OldStyleFormat()
+}
+
+func (f *multiFileLogWriter) SetFormatter(fmt LogFormatter) {
+	f.fullLogWriter.SetFormatter(f)
 }
 
 func (f *multiFileLogWriter) Destroy() {
@@ -126,7 +124,8 @@ func (f *multiFileLogWriter) Flush() {
 
 // newFilesWriter create a FileLogWriter returning as LoggerInterface.
 func newFilesWriter() Logger {
-	return &multiFileLogWriter{}
+	res := &multiFileLogWriter{}
+	return res
 }
 
 func init() {

pkg/infrastructure/logs/slack.go

@@ -6,35 +6,46 @@ import (
 	"net/http"
 	"net/url"
 
-	"github.com/astaxie/beego/pkg/infrastructure/utils"
+	"github.com/pkg/errors"
 )
 
 // SLACKWriter implements beego LoggerInterface and is used to send jiaoliao webhook
 type SLACKWriter struct {
 	WebhookURL string `json:"webhookurl"`
 	Level      int    `json:"level"`
-	UseCustomFormatter bool
+	formatter  LogFormatter
-	CustomFormatter    func(*LogMsg) string
+	Formatter  string `json:"formatter"`
 }
 
 // newSLACKWriter creates jiaoliao writer.
 func newSLACKWriter() Logger {
-	return &SLACKWriter{Level: LevelTrace}
+	res := &SLACKWriter{Level: LevelTrace}
+	res.formatter = res
+	return res
 }
 
 func (s *SLACKWriter) Format(lm *LogMsg) string {
-	return lm.Msg
+	text := fmt.Sprintf("{\"text\": \"%s %s\"}", lm.When.Format("2006-01-02 15:04:05"), lm.OldStyleFormat())
+	return text
+}
+
+func (s *SLACKWriter) SetFormatter(f LogFormatter) {
+	s.formatter = f
 }
 
 // Init SLACKWriter with json config string
-func (s *SLACKWriter) Init(jsonConfig string, opts ...utils.KV) error {
+func (s *SLACKWriter) Init(config string) error {
-	// 	if elem != nil {
+	res := json.Unmarshal([]byte(config), s)
-	// 		s.UseCustomFormatter = true
-	// 		s.CustomFormatter = elem
-	// 	}
-	// }
 
-	return json.Unmarshal([]byte(jsonConfig), s)
+	if res == nil && len(s.Formatter) > 0 {
+		fmtr, ok := GetFormatter(s.Formatter)
+		if !ok {
+			return errors.New(fmt.Sprintf("the formatter with name: %s not found", s.Formatter))
+		}
+		s.formatter = fmtr
+	}
+
+	return res
 }
 
 // WriteMsg write message in smtp writer.
@@ -44,10 +55,8 @@ func (s *SLACKWriter) WriteMsg(lm *LogMsg) error {
 		return nil
 	}
 	msg := s.Format(lm)
-	text := fmt.Sprintf("{\"text\": \"%s %s\"}", lm.When.Format("2006-01-02 15:04:05"), msg)
-
 	form := url.Values{}
-	form.Add("payload", text)
+	form.Add("payload", msg)
 
 	resp, err := http.PostForm(s.WebhookURL, form)
 	if err != nil {

pkg/infrastructure/logs/smtp.go

@@ -22,7 +22,7 @@ import (
 	"net/smtp"
 	"strings"
 
-	"github.com/astaxie/beego/pkg/infrastructure/utils"
+	"github.com/pkg/errors"
 )
 
 // SMTPWriter implements LoggerInterface and is used to send emails via given SMTP-server.
@@ -34,12 +34,15 @@ type SMTPWriter struct {
 	FromAddress        string   `json:"fromAddress"`
 	RecipientAddresses []string `json:"sendTos"`
 	Level              int      `json:"level"`
-	customFormatter    func(*LogMsg) string
+	formatter          LogFormatter
+	Formatter          string `json:"formatter"`
 }
 
 // NewSMTPWriter creates the smtp writer.
 func newSMTPWriter() Logger {
-	return &SMTPWriter{Level: LevelTrace}
+	res := &SMTPWriter{Level: LevelTrace}
+	res.formatter = res
+	return res
 }
 
 // Init smtp writer with json config.
@@ -53,19 +56,16 @@ func newSMTPWriter() Logger {
 //		"sendTos":["email1","email2"],
 //		"level":LevelError
 //	}
-func (s *SMTPWriter) Init(jsonConfig string, opts ...utils.KV) error {
+func (s *SMTPWriter) Init(config string) error {
-
+	res := json.Unmarshal([]byte(config), s)
-	for _, elem := range opts {
+	if res == nil && len(s.Formatter) > 0 {
-		if elem.GetKey() == "formatter" {
+		fmtr, ok := GetFormatter(s.Formatter)
-			formatter, err := GetFormatter(elem)
+		if !ok {
-			if err != nil {
+			return errors.New(fmt.Sprintf("the formatter with name: %s not found", s.Formatter))
-				return err
 		}
-			s.customFormatter = formatter
+		s.formatter = fmtr
 	}
-	}
+	return res
-
-	return json.Unmarshal([]byte(jsonConfig), s)
 }
 
 func (s *SMTPWriter) getSMTPAuth(host string) smtp.Auth {
@@ -80,6 +80,10 @@ func (s *SMTPWriter) getSMTPAuth(host string) smtp.Auth {
 	)
 }
 
+func (s *SMTPWriter) SetFormatter(f LogFormatter) {
+	s.formatter = f
+}
+
 func (s *SMTPWriter) sendMail(hostAddressWithPort string, auth smtp.Auth, fromAddress string, recipients []string, msgContent []byte) error {
 	client, err := smtp.Dial(hostAddressWithPort)
 	if err != nil {
@@ -129,7 +133,7 @@ func (s *SMTPWriter) sendMail(hostAddressWithPort string, auth smtp.Auth, fromAd
 }
 
 func (s *SMTPWriter) Format(lm *LogMsg) string {
-	return lm.Msg
+	return lm.OldStyleFormat()
 }
 
 // WriteMsg writes message in smtp writer.