Update vendor, move to labstack/echo/v4 Fixes #698

vendor/github.com/sirupsen/logrus/.travis.yml

@@ -1,4 +1,5 @@
 language: go
+go_import_path: github.com/sirupsen/logrus
 env:
   - GOMAXPROCS=4 GORACE=halt_on_error=1
 matrix:

vendor/github.com/sirupsen/logrus/README.md

@@ -361,6 +361,7 @@ The built-in logging formatters are:
 Third party logging formatters:
 
 * [`FluentdFormatter`](https://github.com/joonix/log). Formats entries that can be parsed by Kubernetes and Google Container Engine.
+* [`GELF`](https://github.com/fabienm/go-logrus-formatters). Formats entries so they comply to Graylog's [GELF 1.1 specification](http://docs.graylog.org/en/2.4/pages/gelf.html).
 * [`logstash`](https://github.com/bshuster-repo/logrus-logstash-hook). Logs fields as [Logstash](http://logstash.net) Events.
 * [`prefixed`](https://github.com/x-cray/logrus-prefixed-formatter). Displays log entry source along with alternative layout.
 * [`zalgo`](https://github.com/aybabtme/logzalgo). Invoking the P͉̫o̳̼̊w̖͈̰͎e̬͔̭͂r͚̼̹̲ ̫͓͉̳͈ō̠͕͖̚f̝͍̠ ͕̲̞͖͑Z̖̫̤̫ͪa͉̬͈̗l͖͎g̳̥o̰̥̅!̣͔̲̻͊̄ ̙̘̦̹̦.

vendor/github.com/sirupsen/logrus/entry.go

@@ -108,23 +108,34 @@ func (entry *Entry) WithFields(fields Fields) *Entry {
 	for k, v := range entry.Data {
 		data[k] = v
 	}
-	var field_err string
+	fieldErr := entry.err
 	for k, v := range fields {
-		if t := reflect.TypeOf(v); t != nil && t.Kind() == reflect.Func {
-			field_err = fmt.Sprintf("can not add field %q", k)
-			if entry.err != "" {
-				field_err = entry.err + ", " + field_err
+		isErrField := false
+		if t := reflect.TypeOf(v); t != nil {
+			switch t.Kind() {
+			case reflect.Func:
+				isErrField = true
+			case reflect.Ptr:
+				isErrField = t.Elem().Kind() == reflect.Func
+			}
+		}
+		if isErrField {
+			tmp := fmt.Sprintf("can not add field %q", k)
+			if fieldErr != "" {
+				fieldErr = entry.err + ", " + tmp
+			} else {
+				fieldErr = tmp
 			}
 		} else {
 			data[k] = v
 		}
 	}
-	return &Entry{Logger: entry.Logger, Data: data, Time: entry.Time, err: field_err}
+	return &Entry{Logger: entry.Logger, Data: data, Time: entry.Time, err: fieldErr}
 }
 
 // Overrides the time of the Entry.
 func (entry *Entry) WithTime(t time.Time) *Entry {
-	return &Entry{Logger: entry.Logger, Data: entry.Data, Time: t}
+	return &Entry{Logger: entry.Logger, Data: entry.Data, Time: t, err: entry.err}
 }
 
 // getPackageName reduces a fully qualified function name to the package name
@@ -240,16 +251,18 @@ func (entry *Entry) write() {
 	}
 }
 
-func (entry *Entry) Trace(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(TraceLevel) {
-		entry.log(TraceLevel, fmt.Sprint(args...))
+func (entry *Entry) Log(level Level, args ...interface{}) {
+	if entry.Logger.IsLevelEnabled(level) {
+		entry.log(level, fmt.Sprint(args...))
 	}
 }
 
+func (entry *Entry) Trace(args ...interface{}) {
+	entry.Log(TraceLevel, args...)
+}
+
 func (entry *Entry) Debug(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(DebugLevel) {
-		entry.log(DebugLevel, fmt.Sprint(args...))
-	}
+	entry.Log(DebugLevel, args...)
 }
 
 func (entry *Entry) Print(args ...interface{}) {
@@ -257,15 +270,11 @@ func (entry *Entry) Print(args ...interface{}) {
 }
 
 func (entry *Entry) Info(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(InfoLevel) {
-		entry.log(InfoLevel, fmt.Sprint(args...))
-	}
+	entry.Log(InfoLevel, args...)
 }
 
 func (entry *Entry) Warn(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(WarnLevel) {
-		entry.log(WarnLevel, fmt.Sprint(args...))
-	}
+	entry.Log(WarnLevel, args...)
 }
 
 func (entry *Entry) Warning(args ...interface{}) {
@@ -273,43 +282,35 @@ func (entry *Entry) Warning(args ...interface{}) {
 }
 
 func (entry *Entry) Error(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(ErrorLevel) {
-		entry.log(ErrorLevel, fmt.Sprint(args...))
-	}
+	entry.Log(ErrorLevel, args...)
 }
 
 func (entry *Entry) Fatal(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(FatalLevel) {
-		entry.log(FatalLevel, fmt.Sprint(args...))
-	}
+	entry.Log(FatalLevel, args...)
 	entry.Logger.Exit(1)
 }
 
 func (entry *Entry) Panic(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(PanicLevel) {
-		entry.log(PanicLevel, fmt.Sprint(args...))
-	}
+	entry.Log(PanicLevel, args...)
 	panic(fmt.Sprint(args...))
 }
 
 // Entry Printf family functions
 
+func (entry *Entry) Logf(level Level, format string, args ...interface{}) {
+	entry.Log(level, fmt.Sprintf(format, args...))
+}
+
 func (entry *Entry) Tracef(format string, args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(TraceLevel) {
-		entry.Trace(fmt.Sprintf(format, args...))
-	}
+	entry.Logf(TraceLevel, format, args...)
 }
 
 func (entry *Entry) Debugf(format string, args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(DebugLevel) {
-		entry.Debug(fmt.Sprintf(format, args...))
-	}
+	entry.Logf(DebugLevel, format, args...)
 }
 
 func (entry *Entry) Infof(format string, args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(InfoLevel) {
-		entry.Info(fmt.Sprintf(format, args...))
-	}
+	entry.Logf(InfoLevel, format, args...)
 }
 
 func (entry *Entry) Printf(format string, args ...interface{}) {
@@ -317,9 +318,7 @@ func (entry *Entry) Printf(format string, args ...interface{}) {
 }
 
 func (entry *Entry) Warnf(format string, args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(WarnLevel) {
-		entry.Warn(fmt.Sprintf(format, args...))
-	}
+	entry.Logf(WarnLevel, format, args...)
 }
 
 func (entry *Entry) Warningf(format string, args ...interface{}) {
@@ -327,42 +326,36 @@ func (entry *Entry) Warningf(format string, args ...interface{}) {
 }
 
 func (entry *Entry) Errorf(format string, args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(ErrorLevel) {
-		entry.Error(fmt.Sprintf(format, args...))
-	}
+	entry.Logf(ErrorLevel, format, args...)
 }
 
 func (entry *Entry) Fatalf(format string, args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(FatalLevel) {
-		entry.Fatal(fmt.Sprintf(format, args...))
-	}
+	entry.Logf(FatalLevel, format, args...)
 	entry.Logger.Exit(1)
 }
 
 func (entry *Entry) Panicf(format string, args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(PanicLevel) {
-		entry.Panic(fmt.Sprintf(format, args...))
-	}
+	entry.Logf(PanicLevel, format, args...)
 }
 
 // Entry Println family functions
 
-func (entry *Entry) Traceln(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(TraceLevel) {
-		entry.Trace(entry.sprintlnn(args...))
+func (entry *Entry) Logln(level Level, args ...interface{}) {
+	if entry.Logger.IsLevelEnabled(level) {
+		entry.Log(level, entry.sprintlnn(args...))
 	}
 }
 
+func (entry *Entry) Traceln(args ...interface{}) {
+	entry.Logln(TraceLevel, args...)
+}
+
 func (entry *Entry) Debugln(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(DebugLevel) {
-		entry.Debug(entry.sprintlnn(args...))
-	}
+	entry.Logln(DebugLevel, args...)
 }
 
 func (entry *Entry) Infoln(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(InfoLevel) {
-		entry.Info(entry.sprintlnn(args...))
-	}
+	entry.Logln(InfoLevel, args...)
 }
 
 func (entry *Entry) Println(args ...interface{}) {
@@ -370,9 +363,7 @@ func (entry *Entry) Println(args ...interface{}) {
 }
 
 func (entry *Entry) Warnln(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(WarnLevel) {
-		entry.Warn(entry.sprintlnn(args...))
-	}
+	entry.Logln(WarnLevel, args...)
 }
 
 func (entry *Entry) Warningln(args ...interface{}) {
@@ -380,22 +371,16 @@ func (entry *Entry) Warningln(args ...interface{}) {
 }
 
 func (entry *Entry) Errorln(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(ErrorLevel) {
-		entry.Error(entry.sprintlnn(args...))
-	}
+	entry.Logln(ErrorLevel, args...)
 }
 
 func (entry *Entry) Fatalln(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(FatalLevel) {
-		entry.Fatal(entry.sprintlnn(args...))
-	}
+	entry.Logln(FatalLevel, args...)
 	entry.Logger.Exit(1)
 }
 
 func (entry *Entry) Panicln(args ...interface{}) {
-	if entry.Logger.IsLevelEnabled(PanicLevel) {
-		entry.Panic(entry.sprintlnn(args...))
-	}
+	entry.Logln(PanicLevel, args...)
 }
 
 // Sprintlnn => Sprint no newline. This is to get the behavior of how

vendor/github.com/sirupsen/logrus/logger.go

@@ -131,28 +131,24 @@ func (logger *Logger) WithTime(t time.Time) *Entry {
 	return entry.WithTime(t)
 }
 
-func (logger *Logger) Tracef(format string, args ...interface{}) {
-	if logger.IsLevelEnabled(TraceLevel) {
+func (logger *Logger) Logf(level Level, format string, args ...interface{}) {
+	if logger.IsLevelEnabled(level) {
 		entry := logger.newEntry()
-		entry.Tracef(format, args...)
+		entry.Logf(level, format, args...)
 		logger.releaseEntry(entry)
 	}
 }
 
+func (logger *Logger) Tracef(format string, args ...interface{}) {
+	logger.Logf(TraceLevel, format, args...)
+}
+
 func (logger *Logger) Debugf(format string, args ...interface{}) {
-	if logger.IsLevelEnabled(DebugLevel) {
-		entry := logger.newEntry()
-		entry.Debugf(format, args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logf(DebugLevel, format, args...)
 }
 
 func (logger *Logger) Infof(format string, args ...interface{}) {
-	if logger.IsLevelEnabled(InfoLevel) {
-		entry := logger.newEntry()
-		entry.Infof(format, args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logf(InfoLevel, format, args...)
 }
 
 func (logger *Logger) Printf(format string, args ...interface{}) {
@@ -162,68 +158,44 @@ func (logger *Logger) Printf(format string, args ...interface{}) {
 }
 
 func (logger *Logger) Warnf(format string, args ...interface{}) {
-	if logger.IsLevelEnabled(WarnLevel) {
-		entry := logger.newEntry()
-		entry.Warnf(format, args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logf(WarnLevel, format, args...)
 }
 
 func (logger *Logger) Warningf(format string, args ...interface{}) {
-	if logger.IsLevelEnabled(WarnLevel) {
-		entry := logger.newEntry()
-		entry.Warnf(format, args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Warnf(format, args...)
 }
 
 func (logger *Logger) Errorf(format string, args ...interface{}) {
-	if logger.IsLevelEnabled(ErrorLevel) {
-		entry := logger.newEntry()
-		entry.Errorf(format, args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logf(ErrorLevel, format, args...)
 }
 
 func (logger *Logger) Fatalf(format string, args ...interface{}) {
-	if logger.IsLevelEnabled(FatalLevel) {
-		entry := logger.newEntry()
-		entry.Fatalf(format, args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logf(FatalLevel, format, args...)
 	logger.Exit(1)
 }
 
 func (logger *Logger) Panicf(format string, args ...interface{}) {
-	if logger.IsLevelEnabled(PanicLevel) {
+	logger.Logf(PanicLevel, format, args...)
+}
+
+func (logger *Logger) Log(level Level, args ...interface{}) {
+	if logger.IsLevelEnabled(level) {
 		entry := logger.newEntry()
-		entry.Panicf(format, args...)
+		entry.Log(level, args...)
 		logger.releaseEntry(entry)
 	}
 }
 
 func (logger *Logger) Trace(args ...interface{}) {
-	if logger.IsLevelEnabled(TraceLevel) {
-		entry := logger.newEntry()
-		entry.Trace(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Log(TraceLevel, args...)
 }
 
 func (logger *Logger) Debug(args ...interface{}) {
-	if logger.IsLevelEnabled(DebugLevel) {
-		entry := logger.newEntry()
-		entry.Debug(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Log(DebugLevel, args...)
 }
 
 func (logger *Logger) Info(args ...interface{}) {
-	if logger.IsLevelEnabled(InfoLevel) {
-		entry := logger.newEntry()
-		entry.Info(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Log(InfoLevel, args...)
 }
 
 func (logger *Logger) Print(args ...interface{}) {
@@ -233,68 +205,44 @@ func (logger *Logger) Print(args ...interface{}) {
 }
 
 func (logger *Logger) Warn(args ...interface{}) {
-	if logger.IsLevelEnabled(WarnLevel) {
-		entry := logger.newEntry()
-		entry.Warn(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Log(WarnLevel, args...)
 }
 
 func (logger *Logger) Warning(args ...interface{}) {
-	if logger.IsLevelEnabled(WarnLevel) {
-		entry := logger.newEntry()
-		entry.Warn(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Warn(args...)
 }
 
 func (logger *Logger) Error(args ...interface{}) {
-	if logger.IsLevelEnabled(ErrorLevel) {
-		entry := logger.newEntry()
-		entry.Error(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Log(ErrorLevel, args...)
 }
 
 func (logger *Logger) Fatal(args ...interface{}) {
-	if logger.IsLevelEnabled(FatalLevel) {
-		entry := logger.newEntry()
-		entry.Fatal(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Log(FatalLevel, args...)
 	logger.Exit(1)
 }
 
 func (logger *Logger) Panic(args ...interface{}) {
-	if logger.IsLevelEnabled(PanicLevel) {
+	logger.Log(PanicLevel, args...)
+}
+
+func (logger *Logger) Logln(level Level, args ...interface{}) {
+	if logger.IsLevelEnabled(level) {
 		entry := logger.newEntry()
-		entry.Panic(args...)
+		entry.Logln(level, args...)
 		logger.releaseEntry(entry)
 	}
 }
 
 func (logger *Logger) Traceln(args ...interface{}) {
-	if logger.IsLevelEnabled(TraceLevel) {
-		entry := logger.newEntry()
-		entry.Traceln(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logln(TraceLevel, args...)
 }
 
 func (logger *Logger) Debugln(args ...interface{}) {
-	if logger.IsLevelEnabled(DebugLevel) {
-		entry := logger.newEntry()
-		entry.Debugln(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logln(DebugLevel, args...)
 }
 
 func (logger *Logger) Infoln(args ...interface{}) {
-	if logger.IsLevelEnabled(InfoLevel) {
-		entry := logger.newEntry()
-		entry.Infoln(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logln(InfoLevel, args...)
 }
 
 func (logger *Logger) Println(args ...interface{}) {
@@ -304,44 +252,24 @@ func (logger *Logger) Println(args ...interface{}) {
 }
 
 func (logger *Logger) Warnln(args ...interface{}) {
-	if logger.IsLevelEnabled(WarnLevel) {
-		entry := logger.newEntry()
-		entry.Warnln(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logln(WarnLevel, args...)
 }
 
 func (logger *Logger) Warningln(args ...interface{}) {
-	if logger.IsLevelEnabled(WarnLevel) {
-		entry := logger.newEntry()
-		entry.Warnln(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Warn(args...)
 }
 
 func (logger *Logger) Errorln(args ...interface{}) {
-	if logger.IsLevelEnabled(ErrorLevel) {
-		entry := logger.newEntry()
-		entry.Errorln(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logln(ErrorLevel, args...)
 }
 
 func (logger *Logger) Fatalln(args ...interface{}) {
-	if logger.IsLevelEnabled(FatalLevel) {
-		entry := logger.newEntry()
-		entry.Fatalln(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logln(FatalLevel, args...)
 	logger.Exit(1)
 }
 
 func (logger *Logger) Panicln(args ...interface{}) {
-	if logger.IsLevelEnabled(PanicLevel) {
-		entry := logger.newEntry()
-		entry.Panicln(args...)
-		logger.releaseEntry(entry)
-	}
+	logger.Logln(PanicLevel, args...)
 }
 
 func (logger *Logger) Exit(code int) {

vendor/github.com/sirupsen/logrus/logrus.go

@@ -14,24 +14,11 @@ type Level uint32
 
 // Convert the Level to a string. E.g. PanicLevel becomes "panic".
 func (level Level) String() string {
-	switch level {
-	case TraceLevel:
-		return "trace"
-	case DebugLevel:
-		return "debug"
-	case InfoLevel:
-		return "info"
-	case WarnLevel:
-		return "warning"
-	case ErrorLevel:
-		return "error"
-	case FatalLevel:
-		return "fatal"
-	case PanicLevel:
-		return "panic"
+	if b, err := level.MarshalText(); err == nil {
+		return string(b)
+	} else {
+		return "unknown"
 	}
-
-	return "unknown"
 }
 
 // ParseLevel takes a string level and returns the Logrus log level constant.
@@ -69,6 +56,27 @@ func (level *Level) UnmarshalText(text []byte) error {
 	return nil
 }
 
+func (level Level) MarshalText() ([]byte, error) {
+	switch level {
+	case TraceLevel:
+		return []byte("trace"), nil
+	case DebugLevel:
+		return []byte("debug"), nil
+	case InfoLevel:
+		return []byte("info"), nil
+	case WarnLevel:
+		return []byte("warning"), nil
+	case ErrorLevel:
+		return []byte("error"), nil
+	case FatalLevel:
+		return []byte("fatal"), nil
+	case PanicLevel:
+		return []byte("panic"), nil
+	}
+
+	return nil, fmt.Errorf("not a valid lorus level %q", level)
+}
+
 // A constant exposing all logging levels
 var AllLevels = []Level{
 	PanicLevel,

vendor/github.com/sirupsen/logrus/terminal_check_aix.go

@@ -0,0 +1,9 @@
+// +build !appengine,!js,!windows,aix
+
+package logrus
+
+import "io"
+
+func checkIfTerminal(w io.Writer) bool {
+	return false
+}

vendor/github.com/sirupsen/logrus/terminal_check_notappengine.go

@@ -1,4 +1,4 @@
-// +build !appengine,!js,!windows
+// +build !appengine,!js,!windows,!aix
 
 package logrus
 

vendor/github.com/sirupsen/logrus/text_formatter.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"fmt"
 	"os"
+	"runtime"
 	"sort"
 	"strings"
 	"sync"
@@ -90,7 +91,7 @@ func (f *TextFormatter) init(entry *Entry) {
 }
 
 func (f *TextFormatter) isColored() bool {
-	isColored := f.ForceColors || f.isTerminal
+	isColored := f.ForceColors || (f.isTerminal && (runtime.GOOS != "windows"))
 
 	if f.EnvironmentOverrideColors {
 		if force, ok := os.LookupEnv("CLICOLOR_FORCE"); ok && force != "0" {
@@ -107,14 +108,17 @@ func (f *TextFormatter) isColored() bool {
 
 // Format renders a single log entry
 func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
-	prefixFieldClashes(entry.Data, f.FieldMap, entry.HasCaller())
-
-	keys := make([]string, 0, len(entry.Data))
-	for k := range entry.Data {
+	data := make(Fields)
+	for k, v := range entry.Data {
+		data[k] = v
+	}
+	prefixFieldClashes(data, f.FieldMap, entry.HasCaller())
+	keys := make([]string, 0, len(data))
+	for k := range data {
 		keys = append(keys, k)
 	}
 
-	fixedKeys := make([]string, 0, 4+len(entry.Data))
+	fixedKeys := make([]string, 0, 4+len(data))
 	if !f.DisableTimestamp {
 		fixedKeys = append(fixedKeys, f.FieldMap.resolve(FieldKeyTime))
 	}
@@ -160,7 +164,7 @@ func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
 		timestampFormat = defaultTimestampFormat
 	}
 	if f.isColored() {
-		f.printColored(b, entry, keys, timestampFormat)
+		f.printColored(b, entry, keys, data, timestampFormat)
 	} else {
 		for _, key := range fixedKeys {
 			var value interface{}
@@ -178,7 +182,7 @@ func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
 			case key == f.FieldMap.resolve(FieldKeyFile) && entry.HasCaller():
 				value = fmt.Sprintf("%s:%d", entry.Caller.File, entry.Caller.Line)
 			default:
-				value = entry.Data[key]
+				value = data[key]
 			}
 			f.appendKeyValue(b, key, value)
 		}
@@ -188,7 +192,7 @@ func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
 	return b.Bytes(), nil
 }
 
-func (f *TextFormatter) printColored(b *bytes.Buffer, entry *Entry, keys []string, timestampFormat string) {
+func (f *TextFormatter) printColored(b *bytes.Buffer, entry *Entry, keys []string, data Fields, timestampFormat string) {
 	var levelColor int
 	switch entry.Level {
 	case DebugLevel, TraceLevel:
@@ -225,7 +229,7 @@ func (f *TextFormatter) printColored(b *bytes.Buffer, entry *Entry, keys []strin
 		fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%s]%s %-44s ", levelColor, levelText, entry.Time.Format(timestampFormat), caller, entry.Message)
 	}
 	for _, k := range keys {
-		v := entry.Data[k]
+		v := data[k]
 		fmt.Fprintf(b, " \x1b[%dm%s\x1b[0m=", levelColor, k)
 		f.appendValue(b, v)
 	}