select rand container ip

nm/task_handler.go

@@ -271,17 +271,22 @@ func (t *TaskWorker) foundTaskImage(taskCmd *models.TaskCmd) (imageId string) {
 
 func (t *TaskWorker) foundImageIsRunning(imageName string) (bool, string) {
 	containers := t.DockerOp.ListContainer()
+	netWorkInfoArr := make([]string, 0)
 	for _, container := range containers {
 		if container.Image == imageName && container.State == "running" {
 			networks := container.NetworkSettings.Networks
-			ip := ""
 			for _, endPoint := range networks {
-				ip = endPoint.IPAddress
-				log.Warn("Container network ip:", ip)
+				netWorkInfoArr = append(netWorkInfoArr, endPoint.IPAddress)
 			}
-			return true, ip
 		}
 	}
+	if len(netWorkInfoArr) > 0 {
+		rand.Seed(time.Now().UnixNano())
+		randomIndex := rand.Intn(len(netWorkInfoArr))
+		ip := netWorkInfoArr[randomIndex]
+		log.Warn("Container network ip:", ip)
+		return true, ip
+	}
 	return false, ""
 }