实现迁移辅助功能（系统设置 -- 高级设置 -- 迁移）

internal/web/actions/default/settings/transfer/statNodes.go

@@ -0,0 +1,23 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package transfer
+
+import (
+	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+)
+
+type StatNodesAction struct {
+	actionutils.ParentAction
+}
+
+func (this *StatNodesAction) RunPost(params struct{}) {
+	countNodesResp, err := this.RPC().NodeRPC().CountAllEnabledNodesMatch(this.AdminContext(), &pb.CountAllEnabledNodesMatchRequest{ActiveState: 1})
+	if err != nil {
+		this.ErrorPage(err)
+		return
+	}
+	this.Data["countNodes"] = countNodesResp.Count
+
+	this.Success()
+}