feat: add log file output to results/taskID directory

logger.go

@@ -3,6 +3,7 @@ package hrp
 import (
 	"io"
 	"os"
+	"path/filepath"
 	"runtime"
 	"strings"
 	"time"
@@ -10,6 +11,8 @@ import (
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 	"github.com/rs/zerolog/pkgerrors"
+
+	"github.com/httprunner/httprunner/v5/internal/config"
 )
 
 func InitLogger(logLevel string, logJSON bool) {
@@ -19,9 +22,12 @@ func InitLogger(logLevel string, logJSON bool) {
 	// set log timestamp precise to milliseconds
 	zerolog.TimeFieldFormat = "2006-01-02T15:04:05.999Z0700"
 
-	// init log writer
+	// init log writers
 	var msg string
-	var writer io.Writer
+	var writers []io.Writer
+
+	// console writer
+	var consoleWriter io.Writer
 	if !logJSON {
 		// log a human-friendly, colorized output
 		noColor := false
@@ -29,18 +35,36 @@ func InitLogger(logLevel string, logJSON bool) {
 			noColor = true
 		}
 
-		writer = zerolog.ConsoleWriter{
+		consoleWriter = zerolog.ConsoleWriter{
 			Out:        os.Stderr,
 			TimeFormat: time.RFC3339Nano,
 			NoColor:    noColor,
 		}
-		msg = "log with colorized console"
+		msg = "log with colorized console and file output"
 	} else {
 		// default logger
-		writer = os.Stderr
-		msg = "log with json output"
+		consoleWriter = os.Stderr
+		msg = "log with json console and file output"
 	}
-	log.Logger = zerolog.New(writer).With().Timestamp().Logger()
+	writers = append(writers, consoleWriter)
+
+	// file writer - write to results/taskID/hrp.log
+	cfg := config.GetConfig()
+	logFilePath := filepath.Join(cfg.ResultsPath, "hrp.log")
+
+	// create or open log file
+	logFile, err := os.OpenFile(logFilePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o666)
+	if err != nil {
+		log.Error().Err(err).Str("logFilePath", logFilePath).Msg("create log file failed")
+	} else {
+		// add file writer to writers list
+		writers = append(writers, logFile)
+		log.Info().Str("logFilePath", logFilePath).Msg("log file created successfully")
+	}
+
+	// create multi writer to write to both console and file
+	multiWriter := io.MultiWriter(writers...)
+	log.Logger = zerolog.New(multiWriter).With().Timestamp().Logger()
 	log.Info().Msg(msg)
 
 	// Setting Global Log Level