package main

import (
	"context"
	"fmt"
	"go.etcd.io/etcd/client/v3"
	"time"
)

func main() {
	cli, err := clientv3.New(clientv3.Config{
		Endpoints:   []string{"43.143.245.135:2379"},
		DialTimeout: 5 * time.Second,
	})
	if err != nil {
		//handle error!
		fmt.Println("connect etcd server failed,error:", err)
	}
	defer cli.Close()
	//put
	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
	_, err = cli.Put(ctx, "wangao", "freedom")
	cancel()
	if err != nil {
		fmt.Println("put to etcd failed,error:", err)
	}
	//get
	ctx, cancel = context.WithTimeout(context.Background(), time.Second)
	resp, err := cli.Get(ctx, "wangao")
	cancel()
	if err != nil {
		fmt.Println("get from etcd failed,error:", err)
	}
	for _, ev := range resp.Kvs {
		fmt.Println(string(ev.Key), string(ev.Value))
	}
}