refactor(logger): hide detect functions and add fatal log level

Signed-off-by: Daniil Antoshin <[email protected]>

images/virtualization-artifact/pkg/logger/logger.go

@@ -43,33 +43,36 @@ var DefaultLogOutput = os.Stdout
 
 func NewLogger(level, output string, debugVerbosity int) *log.Logger {
 	return log.NewLogger(log.Options{
-		Level:  DetectLogLevel(level, debugVerbosity),
-		Output: DetectLogOutput(output),
+		Level:  detectLogLevel(level, debugVerbosity),
+		Output: detectLogOutput(output),
 	})
 }
 
-func DetectLogLevel(level string, debugVerbosity int) slog.Level {
+
+func detectLogLevel(level string, debugVerbosity int) slog.Level {
 	switch strings.ToLower(level) {
+	case "fatal":
+		return log.LevelFatal.Level()
 	case "error":
 		return log.LevelError.Level()
 	case "warn":
 		return log.LevelWarn.Level()
 	case "info":
 		return log.LevelInfo.Level()
-	case "trace":
-		return log.LevelTrace.Level()
 	case "debug":
 		if debugVerbosity != 0 {
 			return slog.Level(-1 * debugVerbosity)
 		}
 
 		return log.LevelDebug.Level()
+	case "trace":
+		return log.LevelTrace.Level()
 	default:
 		return DefaultLogLevel.Level()
 	}
 }
 
-func DetectLogOutput(output string) io.Writer {
+func detectLogOutput(output string) io.Writer {
 	switch strings.ToLower(output) {
 	case string(Stdout):
 		return os.Stdout