fix demo: docker 容器启动失败导致实例一直处于启动中状态, 无法继续提供服务

demo/host/instance/instace-holder.go

@@ -15,6 +15,7 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"time"
 )
 
 const dockerImage = "pan-light-slave"
@@ -147,6 +148,15 @@ func (h *Holder) startIns() {
 	defer dockerP.Process.Kill()
 	h.pid = dockerP.Process.Pid
 	// 查询ip
+	go func() { // 最多等待35秒
+		order := h.order
+		<-time.After(35 * time.Second)
+		if order != h.order {
+			return
+		}
+		log.Println("docker run container failed")
+		h.slaveOkNotifier.broadcast()
+	}()
 	h.slaveOkNotifier.wait()
 	bin, err := exec.Command("docker", "inspect", "--format",
 		"{{ .NetworkSettings.IPAddress }}", h.containerName).Output()

server/demo/rpc/host-handler.go

@@ -89,6 +89,7 @@ var hostEventMap = map[string]realtime.EventHandler{
 		slave := host.slaves[slaveName]
 
 		unexpected := slave.state == slaveStateRunning
+		slave.state = slaveStateWait
 		room := server.RoomByName("room.slave.all.user." + slaveName)
 		room.Broadcast("slave.exit", gson{
 			"unexpected": unexpected,