add upgrade action,do nothing after patch upload

liuxiaolong

2019-12-19 94bcda3ef533ac0ab0f5c0786554a9efe4c27f4d

 extend/code/code.go

@@ -65,4 +65,7 @@
   CreateFirstNodeErr  = &Code{http.StatusInternalServerError, false, "创建节点失败！"}
   QueryClusterInfoErr = &Code{http.StatusInternalServerError, false, "查询失败，请确认您的ip是正确的！"}
   AddClusterInfoErr   = &Code{http.StatusInternalServerError, false, "加入节点失败！"}

   UpgradeSuccess = &Code{http.StatusOK, true, "升级成功"}
   UpgradeFail = &Code{http.StatusInternalServerError, false, "升级失败"}
)