Add TRACE level logging

cli/setup.go

@@ -227,6 +227,7 @@ func setup() {
 	if opts.Logging.Level != "" {
 
 		chk = map[string]bool{
+			"trace": true,
 			"debug": true,
 			"info":  true,
 			"warn":  true,

log/hook.go

@@ -45,6 +45,8 @@ func (h *DefaultHook) Fire(entry *logrus.Entry) error {
 // SetLevel sets the logging level of the logger instance.
 func (h *DefaultHook) SetLevel(v string) {
 	switch v {
+	case "trace":
+		h.l = TraceLevels
 	case "debug":
 		h.l = DebugLevels
 	case "info":

log/log.go

@@ -28,6 +28,7 @@ const (
 	WarnLevel  = logrus.WarnLevel
 	InfoLevel  = logrus.InfoLevel
 	DebugLevel = logrus.DebugLevel
+	TraceLevel = logrus.TraceLevel
 )
 
 var (
@@ -64,6 +65,15 @@ var (
 		InfoLevel,
 		DebugLevel,
 	}
+	TraceLevels = []logrus.Level{
+		PanicLevel,
+		FatalLevel,
+		ErrorLevel,
+		WarnLevel,
+		InfoLevel,
+		DebugLevel,
+		TraceLevel,
+	}
 )
 
 var log *Logger
@@ -77,7 +87,7 @@ func init() {
 	log = &Logger{
 		&logrus.Logger{
 			Out:       ioutil.Discard,
-			Level:     logrus.DebugLevel,
+			Level:     logrus.TraceLevel,
 			Hooks:     logrus.LevelHooks{},
 			Formatter: &logrus.TextFormatter{},
 		},

log/text.go

@@ -126,8 +126,12 @@ func (f *TextFormatter) printColored(b *bytes.Buffer, entry *logrus.Entry, keys
 	var prefix string
 
 	switch entry.Level {
+	case logrus.TraceLevel:
+		color = ansi.White
+	case logrus.DebugLevel:
+		color = ansi.Magenta
 	case logrus.InfoLevel:
-		color = ansi.Green
+		color = ansi.Blue
 	case logrus.WarnLevel:
 		color = ansi.Yellow
 	case logrus.ErrorLevel: