128 lines
2.8 KiB
Go
128 lines
2.8 KiB
Go
package main
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import (
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"errors"
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"flag"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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"git.echol.cn/loser/Go-Web-Template/server/config"
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"git.echol.cn/loser/Go-Web-Template/server/global"
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"gopkg.in/yaml.v3"
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)
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type standaloneConfig struct {
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MCP config.MCP `yaml:"mcp"`
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}
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func loadStandaloneConfig() (string, error) {
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configPath, err := resolveConfigPath()
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if err != nil {
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return "", err
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}
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content, err := os.ReadFile(configPath)
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if err != nil {
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return "", fmt.Errorf("读取 MCP 配置失败: %w", err)
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}
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var cfg standaloneConfig
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if err := yaml.Unmarshal(content, &cfg); err != nil {
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return "", fmt.Errorf("解析 MCP 配置失败: %w", err)
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}
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applyStandaloneDefaults(configPath, &cfg)
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global.GVA_CONFIG.MCP = cfg.MCP
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return configPath, nil
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}
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func resolveConfigPath() (string, error) {
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explicit, err := parseConfigFlag(os.Args[1:])
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if err != nil {
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return "", err
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}
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if explicit != "" {
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return filepath.Abs(explicit)
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}
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if envPath := strings.TrimSpace(os.Getenv("GVA_MCP_CONFIG")); envPath != "" {
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return filepath.Abs(envPath)
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}
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wd, _ := os.Getwd()
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exe, _ := os.Executable()
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exeDir := filepath.Dir(exe)
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candidates := []string{
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filepath.Join(wd, "config.yaml"),
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filepath.Join(wd, "mcp.yaml"),
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filepath.Join(wd, "cmd", "mcp", "config.yaml"),
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filepath.Join(wd, "server", "cmd", "mcp", "config.yaml"),
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filepath.Join(exeDir, "config.yaml"),
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filepath.Join(exeDir, "mcp.yaml"),
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}
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for _, candidate := range candidates {
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if candidate == "" {
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continue
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}
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if info, err := os.Stat(candidate); err == nil && !info.IsDir() {
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return filepath.Abs(candidate)
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}
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}
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return "", errors.New("未找到 MCP 独立配置文件，请在当前目录、cmd/mcp 目录或通过 -config / GVA_MCP_CONFIG 指定 config.yaml")
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}
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func parseConfigFlag(args []string) (string, error) {
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fs := flag.NewFlagSet("gva-mcp", flag.ContinueOnError)
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fs.SetOutput(io.Discard)
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var configPath string
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fs.StringVar(&configPath, "c", "", "MCP config file path")
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fs.StringVar(&configPath, "config", "", "MCP config file path")
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if err := fs.Parse(args); err != nil {
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return "", err
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}
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return strings.TrimSpace(configPath), nil
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}
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func applyStandaloneDefaults(configPath string, cfg *standaloneConfig) {
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if cfg.MCP.Name == "" {
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cfg.MCP.Name = "GVA_MCP"
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}
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if cfg.MCP.Version == "" {
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cfg.MCP.Version = "v1.0.0"
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}
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if cfg.MCP.Path == "" {
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cfg.MCP.Path = "/mcp"
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}
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if cfg.MCP.Addr == 0 {
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cfg.MCP.Addr = 8889
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}
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if cfg.MCP.AuthHeader == "" {
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cfg.MCP.AuthHeader = "x-token"
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}
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if cfg.MCP.RequestTimeout <= 0 {
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cfg.MCP.RequestTimeout = 15
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}
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if cfg.MCP.UpstreamBaseURL == "" {
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cfg.MCP.UpstreamBaseURL = "http://127.0.0.1:8888"
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}
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if cfg.MCP.BaseURL == "" {
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cfg.MCP.BaseURL = fmt.Sprintf("http://127.0.0.1:%d%s", cfg.MCP.Addr, cfg.MCP.Path)
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}
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}
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func isDir(path string) bool {
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info, err := os.Stat(path)
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return err == nil && info.IsDir()
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}
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