fix 状态错误的问题

backend/services/task.go

@@ -14,10 +14,12 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"reflect"
 	"runtime"
 	"runtime/debug"
 	"strconv"
 	"sync"
+	"syscall"
 	"time"
 )
 
@@ -142,7 +144,7 @@ func ExecuteShellCmd(cmdStr string, cwd string, t model.Task, s model.Spider) (e
 		log.Infof("cancel process signal: %s", signal)
 		if signal == constants.TaskCancel && cmd.Process != nil {
 			// 取消进程
-			if err := cmd.Process.Kill(); err != nil {
+			if err := syscall.Kill(-cmd.Process.Pid, syscall.SIGKILL); err != nil {
 				log.Errorf("process kill error: %s", err.Error())
 				debug.PrintStack()
 			}
@@ -152,6 +154,7 @@ func ExecuteShellCmd(cmdStr string, cwd string, t model.Task, s model.Spider) (e
 			t.Status = constants.StatusFinished
 		}
 		t.FinishTs = time.Now()
+		t.Error = "user kill the process ..."
 		if err := t.Save(); err != nil {
 			log.Infof("save task error: %s", err.Error())
 			debug.PrintStack()
@@ -159,6 +162,8 @@ func ExecuteShellCmd(cmdStr string, cwd string, t model.Task, s model.Spider) (e
 		}
 	}()
 
+	// 在选择所有节点执行的时候，实际就是随机一个节点执行的，
+	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
 	// 异步启动进程
 	if err := cmd.Start(); err != nil {
 		log.Errorf("start spider error:{}", err.Error())
@@ -177,11 +182,12 @@ func ExecuteShellCmd(cmdStr string, cwd string, t model.Task, s model.Spider) (e
 		log.Errorf("wait process finish error: %s", err.Error())
 		debug.PrintStack()
 
+		log.Infof("error type is  : %s", reflect.TypeOf(err).String())
 		// 发生一次也需要保存
-		t.Error = err.Error()
-		t.FinishTs = time.Now()
-		t.Status = constants.StatusFinished
-		_ = t.Save()
+		//t.Error = err.Error()
+		//t.FinishTs = time.Now()
+		//t.Status = constants.StatusError
+		//_ = t.Save()
 		return err
 	}
 	ch <- constants.TaskFinish