Merge pull request #4174 from IamCathal/custom-log-formatter-firstpr

Custom Log Formatter PR#1

pkg/logs/accesslog.go

@@ -79,5 +79,10 @@ func AccessLog(r *AccessLogRecord, format string) {
 			msg = string(jsonData)
 		}
 	}
-	beeLogger.writeMsg(levelLoggerImpl, strings.TrimSpace(msg))
+	lm := &LogMsg{
+		Msg:   strings.TrimSpace(msg),
+		When:  time.Now(),
+		Level: levelLoggerImpl,
+	}
+	beeLogger.writeMsg(lm)
 }

pkg/logs/alils/alils.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"strings"
 	"sync"
-	"time"
 
 	"github.com/astaxie/beego/pkg/logs"
 	"github.com/gogo/protobuf/proto"
@@ -103,9 +102,8 @@ func (c *aliLSWriter) Init(jsonConfig string) (err error) {
 
 // WriteMsg writes a message in connection.
 // If connection is down, try to re-connect.
-func (c *aliLSWriter) WriteMsg(when time.Time, msg string, level int) (err error) {
+func (c *aliLSWriter) WriteMsg(lm *logs.LogMsg) error {
-
+	if lm.Level > c.Level {
-	if level > c.Level {
 		return nil
 	}
 
@@ -115,7 +113,7 @@ func (c *aliLSWriter) WriteMsg(when time.Time, msg string, level int) (err error
 	if c.withMap {
 
 		// Topic，LogGroup
-		strs := strings.SplitN(msg, Delimiter, 2)
+		strs := strings.SplitN(lm.Msg, Delimiter, 2)
 		if len(strs) == 2 {
 			pos := strings.LastIndex(strs[0], " ")
 			topic = strs[0][pos+1 : len(strs[0])]
@@ -125,11 +123,11 @@ func (c *aliLSWriter) WriteMsg(when time.Time, msg string, level int) (err error
 
 		// send to empty Topic
 		if lg == nil {
-			content = msg
+			content = lm.Msg
 			lg = c.group[0]
 		}
 	} else {
-		content = msg
+		content = lm.Msg
 		lg = c.group[0]
 	}
 
@@ -139,7 +137,7 @@ func (c *aliLSWriter) WriteMsg(when time.Time, msg string, level int) (err error
 	}
 
 	l := &Log{
-		Time: proto.Uint32(uint32(when.Unix())),
+		Time: proto.Uint32(uint32(lm.When.Unix())),
 		Contents: []*LogContent{
 			c1,
 		},

pkg/logs/conn.go

@@ -18,7 +18,6 @@ import (
 	"encoding/json"
 	"io"
 	"net"
-	"time"
 )
 
 // connWriter implements LoggerInterface.
@@ -48,8 +47,8 @@ func (c *connWriter) Init(jsonConfig string) error {
 
 // WriteMsg writes message in connection.
 // If connection is down, try to re-connect.
-func (c *connWriter) WriteMsg(when time.Time, msg string, level int) error {
+func (c *connWriter) WriteMsg(lm *LogMsg) error {
-	if level > c.Level {
+	if lm.Level > c.Level {
 		return nil
 	}
 	if c.needToConnectOnMsg() {
@@ -63,7 +62,7 @@ func (c *connWriter) WriteMsg(when time.Time, msg string, level int) error {
 		defer c.innerWriter.Close()
 	}
 
-	_, err := c.lg.writeln(when, msg)
+	_, err := c.lg.writeln(lm)
 	if err != nil {
 		return err
 	}

pkg/logs/console.go

@@ -18,7 +18,6 @@ import (
 	"encoding/json"
 	"os"
 	"strings"
-	"time"
 
 	"github.com/shiena/ansicolor"
 )
@@ -73,14 +72,14 @@ func (c *consoleWriter) Init(jsonConfig string) error {
 }
 
 // WriteMsg writes message in console.
-func (c *consoleWriter) WriteMsg(when time.Time, msg string, level int) error {
+func (c *consoleWriter) WriteMsg(lm *LogMsg) error {
-	if level > c.Level {
+	if lm.Level > c.Level {
 		return nil
 	}
 	if c.Colorful {
-		msg = strings.Replace(msg, levelPrefix[level], colors[level](levelPrefix[level]), 1)
+		lm.Msg = strings.Replace(lm.Msg, levelPrefix[lm.Level], colors[lm.Level](levelPrefix[lm.Level]), 1)
 	}
-	c.lg.writeln(when, msg)
+	c.lg.writeln(lm)
 	return nil
 }
 

pkg/logs/es/es.go

@@ -60,14 +60,14 @@ func (el *esLogger) Init(jsonconfig string) error {
 }
 
 // WriteMsg writes the msg and level into es
-func (el *esLogger) WriteMsg(when time.Time, msg string, level int) error {
+func (el *esLogger) WriteMsg(lm *logs.LogMsg) error {
-	if level > el.Level {
+	if lm.Level > el.Level {
 		return nil
 	}
 
 	idx := LogDocument{
-		Timestamp: when.Format(time.RFC3339),
+		Timestamp: lm.When.Format(time.RFC3339),
-		Msg:       msg,
+		Msg:       lm.Msg,
 	}
 
 	body, err := json.Marshal(idx)
@@ -75,7 +75,7 @@ func (el *esLogger) WriteMsg(when time.Time, msg string, level int) error {
 		return err
 	}
 	req := esapi.IndexRequest{
-		Index:        fmt.Sprintf("%04d.%02d.%02d", when.Year(), when.Month(), when.Day()),
+		Index:        fmt.Sprintf("%04d.%02d.%02d", lm.When.Year(), lm.When.Month(), lm.When.Day()),
 		DocumentType: "logs",
 		Body:         strings.NewReader(string(body)),
 	}

pkg/logs/file.go

@@ -144,28 +144,28 @@ func (w *fileLogWriter) needRotateHourly(size int, hour int) bool {
 }
 
 // WriteMsg writes logger message into file.
-func (w *fileLogWriter) WriteMsg(when time.Time, msg string, level int) error {
+func (w *fileLogWriter) WriteMsg(lm *LogMsg) error {
-	if level > w.Level {
+	if lm.Level > w.Level {
 		return nil
 	}
-	hd, d, h := formatTimeHeader(when)
+	hd, d, h := formatTimeHeader(lm.When)
-	msg = string(hd) + msg + "\n"
+	lm.Msg = string(hd) + lm.Msg + "\n"
 	if w.Rotate {
 		w.RLock()
-		if w.needRotateHourly(len(msg), h) {
+		if w.needRotateHourly(len(lm.Msg), h) {
 			w.RUnlock()
 			w.Lock()
-			if w.needRotateHourly(len(msg), h) {
+			if w.needRotateHourly(len(lm.Msg), h) {
-				if err := w.doRotate(when); err != nil {
+				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(msg), d) {
+		} else if w.needRotateDaily(len(lm.Msg), d) {
 			w.RUnlock()
 			w.Lock()
-			if w.needRotateDaily(len(msg), d) {
+			if w.needRotateDaily(len(lm.Msg), d) {
-				if err := w.doRotate(when); err != nil {
+				if err := w.doRotate(lm.When); err != nil {
 					fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
 				}
 			}
@@ -176,10 +176,10 @@ func (w *fileLogWriter) WriteMsg(when time.Time, msg string, level int) error {
 	}
 
 	w.Lock()
-	_, err := w.fileWriter.Write([]byte(msg))
+	_, err := w.fileWriter.Write([]byte(lm.Msg))
 	if err == nil {
 		w.maxLinesCurLines++
-		w.maxSizeCurSize += len(msg)
+		w.maxSizeCurSize += len(lm.Msg)
 	}
 	w.Unlock()
 	return err

pkg/logs/file_test.go

@@ -280,8 +280,13 @@ func testFileRotate(t *testing.T, fn1, fn2 string, daily, hourly bool) {
 		fw.hourlyOpenTime = time.Now().Add(-1 * time.Hour)
 		fw.hourlyOpenDate = fw.hourlyOpenTime.Day()
 	}
+	lm := &LogMsg{
+		Msg:   "Test message",
+		Level: LevelDebug,
+		When:  time.Now(),
+	}
 
-	fw.WriteMsg(time.Now(), "this is a msg for test", LevelDebug)
+	fw.WriteMsg(lm)
 
 	for _, file := range []string{fn1, fn2} {
 		_, err := os.Stat(file)

pkg/logs/jianliao.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"net/http"
 	"net/url"
-	"time"
 )
 
 // JLWriter implements beego LoggerInterface and is used to send jiaoliao webhook
@@ -30,12 +29,12 @@ func (s *JLWriter) Init(jsonconfig string) error {
 
 // WriteMsg writes message in smtp writer.
 // Sends an email with subject and only this message.
-func (s *JLWriter) WriteMsg(when time.Time, msg string, level int) error {
+func (s *JLWriter) WriteMsg(lm *LogMsg) error {
-	if level > s.Level {
+	if lm.Level > s.Level {
 		return nil
 	}
 
-	text := fmt.Sprintf("%s %s", when.Format("2006-01-02 15:04:05"), msg)
+	text := fmt.Sprintf("%s %s", lm.When.Format("2006-01-02 15:04:05"), lm.Msg)
 
 	form := url.Values{}
 	form.Add("authorName", s.AuthorName)

pkg/logs/log.go

@@ -39,7 +39,6 @@ import (
 	"os"
 	"path"
 	"runtime"
-	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -86,7 +85,7 @@ type newLoggerFunc func() Logger
 // Logger defines the behavior of a log provider.
 type Logger interface {
 	Init(config string) error
-	WriteMsg(when time.Time, msg string, level int) error
+	WriteMsg(lm *LogMsg) error
 	Destroy()
 	Flush()
 }
@@ -115,10 +114,11 @@ type BeeLogger struct {
 	init                bool
 	enableFuncCallDepth bool
 	loggerFuncCallDepth int
+	enableFullFilePath  bool
 	asynchronous        bool
 	prefix              string
 	msgChanLen          int64
-	msgChan             chan *logMsg
+	msgChan             chan *LogMsg
 	signalChan          chan string
 	wg                  sync.WaitGroup
 	outputs             []*nameLogger
@@ -131,10 +131,12 @@ type nameLogger struct {
 	name string
 }
 
-type logMsg struct {
+type LogMsg struct {
-	level int
+	Level      int
-	msg   string
+	Msg        string
-	when  time.Time
+	When       time.Time
+	FilePath   string
+	LineNumber int
 }
 
 var logMsgPool *sync.Pool
@@ -166,10 +168,10 @@ func (bl *BeeLogger) Async(msgLen ...int64) *BeeLogger {
 	if len(msgLen) > 0 && msgLen[0] > 0 {
 		bl.msgChanLen = msgLen[0]
 	}
-	bl.msgChan = make(chan *logMsg, bl.msgChanLen)
+	bl.msgChan = make(chan *LogMsg, bl.msgChanLen)
 	logMsgPool = &sync.Pool{
 		New: func() interface{} {
-			return &logMsg{}
+			return &LogMsg{}
 		},
 	}
 	bl.wg.Add(1)
@@ -233,9 +235,9 @@ func (bl *BeeLogger) DelLogger(adapterName string) error {
 	return nil
 }
 
-func (bl *BeeLogger) writeToLoggers(when time.Time, msg string, level int) {
+func (bl *BeeLogger) writeToLoggers(lm *LogMsg) {
 	for _, l := range bl.outputs {
-		err := l.WriteMsg(when, msg, level)
+		err := l.WriteMsg(lm)
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "unable to WriteMsg to adapter:%v,error:%v\n", l.name, err)
 		}
@@ -250,15 +252,20 @@ func (bl *BeeLogger) Write(p []byte) (n int, err error) {
 	if p[len(p)-1] == '\n' {
 		p = p[0 : len(p)-1]
 	}
+	lm := &LogMsg{
+		Msg:   string(p),
+		Level: levelLoggerImpl,
+	}
+
 	// set levelLoggerImpl to ensure all log message will be write out
-	err = bl.writeMsg(levelLoggerImpl, string(p))
+	err = bl.writeMsg(lm)
 	if err == nil {
 		return len(p), err
 	}
 	return 0, err
 }
 
-func (bl *BeeLogger) writeMsg(logLevel int, msg string, v ...interface{}) error {
+func (bl *BeeLogger) writeMsg(lm *LogMsg, v ...interface{}) error {
 	if !bl.init {
 		bl.lock.Lock()
 		bl.setLogger(AdapterConsole)
@@ -266,42 +273,52 @@ func (bl *BeeLogger) writeMsg(logLevel int, msg string, v ...interface{}) error
 	}
 
 	if len(v) > 0 {
-		msg = fmt.Sprintf(msg, v...)
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
 	}
 
-	msg = bl.prefix + " " + msg
+	lm.Msg = bl.prefix + " " + lm.Msg
+
+	var (
+		file string
+		line int
+		ok   bool
+	)
 
-	when := time.Now()
 	if bl.enableFuncCallDepth {
-		_, file, line, ok := runtime.Caller(bl.loggerFuncCallDepth)
+		_, file, line, ok = runtime.Caller(bl.loggerFuncCallDepth)
 		if !ok {
 			file = "???"
 			line = 0
 		}
-		_, filename := path.Split(file)
+
-		msg = "[" + filename + ":" + strconv.Itoa(line) + "] " + msg
+		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)
 	}
 
 	//set level info in front of filename info
-	if logLevel == levelLoggerImpl {
+	if lm.Level == levelLoggerImpl {
 		// set to emergency to ensure all log will be print out correctly
-		logLevel = LevelEmergency
+		lm.Level = LevelEmergency
 	} else {
-		msg = levelPrefix[logLevel] + " " + msg
+		lm.Msg = levelPrefix[lm.Level] + " " + lm.Msg
 	}
 
 	if bl.asynchronous {
-		lm := logMsgPool.Get().(*logMsg)
+		logM := logMsgPool.Get().(*LogMsg)
-		lm.level = logLevel
+		logM.Level = lm.Level
-		lm.msg = msg
+		logM.Msg = lm.Msg
-		lm.when = when
+		logM.When = lm.When
 		if bl.outputs != nil {
 			bl.msgChan <- lm
 		} else {
 			logMsgPool.Put(lm)
 		}
 	} else {
-		bl.writeToLoggers(when, msg, logLevel)
+		bl.writeToLoggers(lm)
 	}
 	return nil
 }
@@ -345,7 +362,7 @@ func (bl *BeeLogger) startLogger() {
 	for {
 		select {
 		case bm := <-bl.msgChan:
-			bl.writeToLoggers(bm.when, bm.msg, bm.level)
+			bl.writeToLoggers(bm)
 			logMsgPool.Put(bm)
 		case sg := <-bl.signalChan:
 			// Now should only send "flush" or "close" to bl.signalChan
@@ -370,7 +387,17 @@ func (bl *BeeLogger) Emergency(format string, v ...interface{}) {
 	if LevelEmergency > bl.level {
 		return
 	}
-	bl.writeMsg(LevelEmergency, format, v...)
+
+	lm := &LogMsg{
+		Level: LevelEmergency,
+		Msg:   format,
+		When:  time.Now(),
+	}
+	if len(v) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
+	}
+
+	bl.writeMsg(lm)
 }
 
 // Alert Log ALERT level message.
@@ -378,7 +405,17 @@ func (bl *BeeLogger) Alert(format string, v ...interface{}) {
 	if LevelAlert > bl.level {
 		return
 	}
-	bl.writeMsg(LevelAlert, format, v...)
+
+	lm := &LogMsg{
+		Level: LevelAlert,
+		Msg:   format,
+		When:  time.Now(),
+	}
+	if len(v) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
+	}
+
+	bl.writeMsg(lm)
 }
 
 // Critical Log CRITICAL level message.
@@ -386,7 +423,16 @@ func (bl *BeeLogger) Critical(format string, v ...interface{}) {
 	if LevelCritical > bl.level {
 		return
 	}
-	bl.writeMsg(LevelCritical, format, v...)
+	lm := &LogMsg{
+		Level: LevelCritical,
+		Msg:   format,
+		When:  time.Now(),
+	}
+	if len(v) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
+	}
+
+	bl.writeMsg(lm)
 }
 
 // Error Log ERROR level message.
@@ -394,7 +440,16 @@ func (bl *BeeLogger) Error(format string, v ...interface{}) {
 	if LevelError > bl.level {
 		return
 	}
-	bl.writeMsg(LevelError, format, v...)
+	lm := &LogMsg{
+		Level: LevelError,
+		Msg:   format,
+		When:  time.Now(),
+	}
+	if len(v) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
+	}
+
+	bl.writeMsg(lm)
 }
 
 // Warning Log WARNING level message.
@@ -402,7 +457,16 @@ func (bl *BeeLogger) Warning(format string, v ...interface{}) {
 	if LevelWarn > bl.level {
 		return
 	}
-	bl.writeMsg(LevelWarn, format, v...)
+	lm := &LogMsg{
+		Level: LevelWarn,
+		Msg:   format,
+		When:  time.Now(),
+	}
+	if len(v) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
+	}
+
+	bl.writeMsg(lm)
 }
 
 // Notice Log NOTICE level message.
@@ -410,7 +474,16 @@ func (bl *BeeLogger) Notice(format string, v ...interface{}) {
 	if LevelNotice > bl.level {
 		return
 	}
-	bl.writeMsg(LevelNotice, format, v...)
+	lm := &LogMsg{
+		Level: LevelNotice,
+		Msg:   format,
+		When:  time.Now(),
+	}
+	if len(v) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
+	}
+
+	bl.writeMsg(lm)
 }
 
 // Informational Log INFORMATIONAL level message.
@@ -418,7 +491,16 @@ func (bl *BeeLogger) Informational(format string, v ...interface{}) {
 	if LevelInfo > bl.level {
 		return
 	}
-	bl.writeMsg(LevelInfo, format, v...)
+	lm := &LogMsg{
+		Level: LevelInfo,
+		Msg:   format,
+		When:  time.Now(),
+	}
+	if len(v) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
+	}
+
+	bl.writeMsg(lm)
 }
 
 // Debug Log DEBUG level message.
@@ -426,7 +508,16 @@ func (bl *BeeLogger) Debug(format string, v ...interface{}) {
 	if LevelDebug > bl.level {
 		return
 	}
-	bl.writeMsg(LevelDebug, format, v...)
+	lm := &LogMsg{
+		Level: LevelDebug,
+		Msg:   format,
+		When:  time.Now(),
+	}
+	if len(v) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
+	}
+
+	bl.writeMsg(lm)
 }
 
 // Warn Log WARN level message.
@@ -435,7 +526,16 @@ func (bl *BeeLogger) Warn(format string, v ...interface{}) {
 	if LevelWarn > bl.level {
 		return
 	}
-	bl.writeMsg(LevelWarn, format, v...)
+	lm := &LogMsg{
+		Level: LevelWarn,
+		Msg:   format,
+		When:  time.Now(),
+	}
+	if len(v) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
+	}
+
+	bl.writeMsg(lm)
 }
 
 // Info Log INFO level message.
@@ -444,7 +544,16 @@ func (bl *BeeLogger) Info(format string, v ...interface{}) {
 	if LevelInfo > bl.level {
 		return
 	}
-	bl.writeMsg(LevelInfo, format, v...)
+	lm := &LogMsg{
+		Level: LevelInfo,
+		Msg:   format,
+		When:  time.Now(),
+	}
+	if len(v) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
+	}
+
+	bl.writeMsg(lm)
 }
 
 // Trace Log TRACE level message.
@@ -453,7 +562,16 @@ func (bl *BeeLogger) Trace(format string, v ...interface{}) {
 	if LevelDebug > bl.level {
 		return
 	}
-	bl.writeMsg(LevelDebug, format, v...)
+	lm := &LogMsg{
+		Level: LevelDebug,
+		Msg:   format,
+		When:  time.Now(),
+	}
+	if len(v) > 0 {
+		lm.Msg = fmt.Sprintf(lm.Msg, v...)
+	}
+
+	bl.writeMsg(lm)
 }
 
 // Flush flush all chan data.
@@ -497,7 +615,7 @@ func (bl *BeeLogger) flush() {
 		for {
 			if len(bl.msgChan) > 0 {
 				bm := <-bl.msgChan
-				bl.writeToLoggers(bm.when, bm.msg, bm.level)
+				bl.writeToLoggers(bm)
 				logMsgPool.Put(bm)
 				continue
 			}
@@ -547,6 +665,12 @@ func GetLogger(prefixes ...string) *log.Logger {
 	return l
 }
 
+// EnableFullFilePath enables full file path logging. Disabled by default
+// e.g "/home/Documents/GitHub/beego/mainapp/" instead of "mainapp"
+func EnableFullFilePath(b bool) {
+	beeLogger.enableFullFilePath = b
+}
+
 // Reset will remove all the adapter
 func Reset() {
 	beeLogger.Reset()

pkg/logs/logger.go

@@ -30,10 +30,10 @@ func newLogWriter(wr io.Writer) *logWriter {
 	return &logWriter{writer: wr}
 }
 
-func (lg *logWriter) writeln(when time.Time, msg string) (int, error) {
+func (lg *logWriter) writeln(lm *LogMsg) (int, error) {
 	lg.Lock()
-	h, _, _ := formatTimeHeader(when)
+	h, _, _ := formatTimeHeader(lm.When)
-	n, err := lg.writer.Write(append(append(h, msg...), '\n'))
+	n, err := lg.writer.Write(append(append(h, lm.Msg...), '\n'))
 	lg.Unlock()
 	return n, err
 }

pkg/logs/multifile.go

@@ -16,7 +16,6 @@ package logs
 
 import (
 	"encoding/json"
-	"time"
 )
 
 // A filesLogWriter manages several fileLogWriter
@@ -87,14 +86,14 @@ func (f *multiFileLogWriter) Destroy() {
 	}
 }
 
-func (f *multiFileLogWriter) WriteMsg(when time.Time, msg string, level int) error {
+func (f *multiFileLogWriter) WriteMsg(lm *LogMsg) error {
 	if f.fullLogWriter != nil {
-		f.fullLogWriter.WriteMsg(when, msg, level)
+		f.fullLogWriter.WriteMsg(lm)
 	}
 	for i := 0; i < len(f.writers)-1; i++ {
 		if f.writers[i] != nil {
-			if level == f.writers[i].Level {
+			if lm.Level == f.writers[i].Level {
-				f.writers[i].WriteMsg(when, msg, level)
+				f.writers[i].WriteMsg(lm)
 			}
 		}
 	}

pkg/logs/slack.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"net/http"
 	"net/url"
-	"time"
 )
 
 // SLACKWriter implements beego LoggerInterface and is used to send jiaoliao webhook
@@ -26,12 +25,12 @@ func (s *SLACKWriter) Init(jsonconfig string) error {
 
 // WriteMsg write message in smtp writer.
 // Sends an email with subject and only this message.
-func (s *SLACKWriter) WriteMsg(when time.Time, msg string, level int) error {
+func (s *SLACKWriter) WriteMsg(lm *LogMsg) error {
-	if level > s.Level {
+	if lm.Level > s.Level {
 		return nil
 	}
 
-	text := fmt.Sprintf("{\"text\": \"%s %s\"}", when.Format("2006-01-02 15:04:05"), msg)
+	text := fmt.Sprintf("{\"text\": \"%s %s\"}", lm.When.Format("2006-01-02 15:04:05"), lm.Msg)
 
 	form := url.Values{}
 	form.Add("payload", text)

pkg/logs/smtp.go

@@ -21,7 +21,6 @@ import (
 	"net"
 	"net/smtp"
 	"strings"
-	"time"
 )
 
 // SMTPWriter implements LoggerInterface and is used to send emails via given SMTP-server.
@@ -117,8 +116,8 @@ func (s *SMTPWriter) sendMail(hostAddressWithPort string, auth smtp.Auth, fromAd
 
 // WriteMsg writes message in smtp writer.
 // Sends an email with subject and only this message.
-func (s *SMTPWriter) WriteMsg(when time.Time, msg string, level int) error {
+func (s *SMTPWriter) WriteMsg(lm *LogMsg) error {
-	if level > s.Level {
+	if lm.Level > s.Level {
 		return nil
 	}
 
@@ -131,7 +130,7 @@ func (s *SMTPWriter) WriteMsg(when time.Time, msg string, level int) error {
 	// and send the email all in one step.
 	contentType := "Content-Type: text/plain" + "; charset=UTF-8"
 	mailmsg := []byte("To: " + strings.Join(s.RecipientAddresses, ";") + "\r\nFrom: " + s.FromAddress + "<" + s.FromAddress +
-		">\r\nSubject: " + s.Subject + "\r\n" + contentType + "\r\n\r\n" + fmt.Sprintf(".%s", when.Format("2006-01-02 15:04:05")) + msg)
+		">\r\nSubject: " + s.Subject + "\r\n" + contentType + "\r\n\r\n" + fmt.Sprintf(".%s", lm.When.Format("2006-01-02 15:04:05")) + lm.Msg)
 
 	return s.sendMail(s.Host, auth, s.FromAddress, s.RecipientAddresses, mailmsg)
 }