change: load env once

Makefile

@@ -16,6 +16,7 @@ bump: ## bump hrp version, e.g. make bump version=4.0.0
 .PHONY: build
 build: ## build hrp cli tool
 	@echo "[info] build hrp cli tool"
+	go mod tidy
 	go build -ldflags "\
 		-s -w \
 		-X 'github.com/httprunner/httprunner/v5/internal/version.GitCommit=$(shell git rev-parse HEAD)' \

internal/version/VERSION

@@ -1 +1 @@
-v5.0.0-beta-2503221320
+v5.0.0-beta-2503221523

uixt/ai/env.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"path/filepath"
 	"strconv"
+	"sync"
 	"time"
 
 	"github.com/cloudwego/eino-ext/components/model/openai"
@@ -32,20 +33,16 @@ const (
 	EnvOpenAIInitConfigJSON = "OPENAI_INIT_CONFIG_JSON"
 )
 
-func init() {
+var once sync.Once
-	err := loadEnv()
-	if err != nil {
-		log.Warn().Err(err).Msg("load .env file failed")
-	}
-}
 
 // loadEnv loads environment variables from .env file
 // it will search for .env file from current working directory upward recursively
-func loadEnv() error {
+func loadEnv() {
+	once.Do(func() {
 		// get current working directory
 		cwd, err := os.Getwd()
 		if err != nil {
-		return fmt.Errorf("failed to get current working directory: %v", err)
+			panic(err)
 		}
 
 		// locate .env file from current working directory upward recursively
@@ -57,22 +54,25 @@ func loadEnv() error {
 				// override existing env variables
 				err = godotenv.Overload(envFile)
 				if err != nil {
-				return fmt.Errorf("failed to load env file: %v", err)
+					log.Fatal().Err(err).
+						Str("path", envFile).Msg("overload env file failed")
 				}
-			log.Info().Str("path", envFile).Msg("load env success")
+				log.Info().Str("path", envFile).Msg("overload env success")
-			return nil
 			}
 
 			// reached root directory
 			parent := filepath.Dir(envPath)
 			if parent == envPath {
-			return fmt.Errorf("no .env file found from current directory to root")
+				log.Info().Msg("no .env file found from current directory to root")
+				return
 			}
 			envPath = parent
 		}
+	})
 }
 
 func checkEnvLLM() error {
+	loadEnv()
 	openaiBaseURL := os.Getenv("OPENAI_BASE_URL")
 	if openaiBaseURL == "" {
 		return errors.Wrap(code.LLMEnvMissedError, "OPENAI_BASE_URL missed")
@@ -156,6 +156,7 @@ func (c *CustomTransport) RoundTrip(req *http.Request) (*http.Response, error) {
 
 // GetModelConfig get OpenAI config
 func GetModelConfig() (*openai.ChatModelConfig, error) {
+	loadEnv()
 	envConfig := &OpenAIInitConfig{
 		Headers: make(map[string]string),
 	}