feat：请求挂载

internal/logic/createservicelogic.go

@@ -4,9 +4,14 @@
 package logic
 
 import (
+	"bytes"
 	"context"
+	"encoding/json"
 	"fmt"
+	"io"
+	"net/http"
 	"strings"
+	"time"
 
 	"udeServer/internal/model"
 	"udeServer/internal/svc"
@@ -32,6 +37,7 @@ func NewCreateServiceLogic(ctx context.Context, svcCtx *svc.ServiceContext) *Cre
 
 func (l *CreateServiceLogic) CreateService(req *types.CreateServiceReq) (*types.ServiceResp, error) {
 	var svcId int64
+	var dirList []string // 落库成功的保护目录(trim 后非空),事务提交后用于通知外挂程序挂载
 	err := l.svcCtx.DB.Transact(func(session sqlx.Session) error {
 		// 把 model 绑到事务 session 上,后续所有写操作都走同一个连接/事务
 		svcModel := l.svcCtx.ServiceModel.WithSession(session)
@@ -62,6 +68,7 @@ func (l *CreateServiceLogic) CreateService(req *types.CreateServiceReq) (*types.
 			if path == "" {
 				continue
 			}
+			dirList = append(dirList, path)
 			_, err := dirModel.Insert(l.ctx, &model.TDirectory{
 				ServiceId: nullInt64(svcId),
 				Directory: nullString(path),
@@ -83,5 +90,56 @@ func (l *CreateServiceLogic) CreateService(req *types.CreateServiceReq) (*types.
 		return nil, err
 	}
 
+	// 3. 落库成功后,通知外挂程序(req.Ip:req.Port)执行 fuse 挂载。
+	//    外挂程序未启动/网络不通时挂载会失败:服务数据已落库不回滚,仅把错误抛给前端提示。
+	if err := l.notifyFuseMount(created, dirList); err != nil {
+		l.Errorf("service created(id=%d), but fuse mount notify failed: %v", svcId, err)
+		return toServiceResp(created), fmt.Errorf("服务已创建,但通知外挂程序挂载失败: %v", err)
+	}
+
 	return toServiceResp(created), nil
 }
+
+// fuseMountClient 复用的 HTTP 客户端,10s 超时防止外挂程序无响应拖死创建接口
+var fuseMountClient = &http.Client{Timeout: 10 * time.Second}
+
+// notifyFuseMount 落库成功后回调外挂程序(svc.Ip:svc.Port)的 /api/fuseMount 接口,
+// 由外挂程序对保护目录执行 fuse 挂载。请求体为 JSON:
+//
+//	POST http://{ip}:{port}/api/fuseMount
+//	{ "iden": "...", "keyIden": "...", "keyAlgo": "...", "directories": ["/data/fuse", ...] }
+func (l *CreateServiceLogic) notifyFuseMount(svc *model.TService, dirs []string) error {
+	ip, port := svc.Ip.String, svc.Port.String
+	if ip == "" || port == "" {
+		// 没配外挂服务地址:只落库,跳过挂载通知
+		l.Infof("service %d has empty ip/port, skip fuse mount notify", svc.Id)
+		return nil
+	}
+	if len(dirs) == 0 {
+		return nil // 没有保护目录,无需通知挂载
+	}
+
+	url := fmt.Sprintf("http://%s:%s/api/fuseMount", ip, port)
+	payload := map[string]interface{}{
+		"iden":        svc.Iden.String,
+		"keyIden":     svc.KeyIden.String,
+		"keyAlgo":     svc.KeyAlgo.String,
+		"directories": dirs,
+	}
+	body, err := json.Marshal(payload)
+	if err != nil {
+		return fmt.Errorf("序列化挂载请求失败: %w", err)
+	}
+
+	resp, err := fuseMountClient.Post(url, "application/json", bytes.NewReader(body))
+	if err != nil {
+		return fmt.Errorf("请求 %s 失败(外挂程序未启动?): %w", url, err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode >= http.StatusBadRequest {
+		snippet, _ := io.ReadAll(io.LimitReader(resp.Body, 256))
+		return fmt.Errorf("外挂程序返回 HTTP %d: %s", resp.StatusCode, string(snippet))
+	}
+	return nil
+}