节点可以单独设置所使用的API节点地址

internal/rpc/services/service_ping.go

@@ -0,0 +1,23 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package services
+
+import (
+	"context"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+)
+
+// PingService Ping服务
+// 用来测试连接是否可用
+type PingService struct {
+	BaseService
+}
+
+// Ping 发起Ping
+func (this *PingService) Ping(ctx context.Context, req *pb.PingRequest) (*pb.PingResponse, error) {
+	_, _, err := this.ValidateNodeId(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return &pb.PingResponse{}, nil
+}