更新: 阿里24抢购程序及实际效果

先前的版本在处理休眠时有点问题，这个版本修正了
因为正好需要24的机器，所以晚上抢了一把，很成功。注意截图时间。 :)

/*
https://help.aliyun.com/zh/ram/user-guide/create-an-accesskey-pair 获得主帐号的AccessKey ID AccessKey Secret
确保有不少于24块的余额
*/

package main

import (
        "fmt"
        "os"
        "time"

        openapi "github.com/alibabacloud-go/darabonba-openapi/v2/client"
        swas_open20200601 "github.com/alibabacloud-go/swas-open-20200601/client"
        "github.com/alibabacloud-go/tea/tea"
)

func CreateClient(Key, Secret string) (_result *swas_open20200601.Client, _err error) {
        config := &openapi.Config{
                AccessKeyId:     tea.String(Key),
                AccessKeySecret: tea.String(Secret),
        }
        config.Endpoint = tea.String("swas.cn-hongkong.aliyuncs.com")
        _result = &swas_open20200601.Client{}
        _result, _err = swas_open20200601.NewClient(config)
        return _result, _err
}

func SDKCreate(Key, Secret string) error {
        client, err := CreateClient(Key, Secret)
        if err != nil {
                return err
        }
        request := &swas_open20200601.CreateInstancesRequest{
                RegionId: tea.String("cn-hongkong"),                      //香港
                ImageId:  tea.String("8b798eb927684a08b26bb95da94f5812"), //debian11
                PlanId:   tea.String("swas.s2.c2m1s40b30t1.un"),          //轻量24
                Period:   tea.Int32(1),
        }
        _, err = client.CreateInstances(request)
        if err != nil {
                return err
        }
        return nil
}

func main() {
        location, err := time.LoadLocation("Asia/Shanghai")
        if err != nil {
                fmt.Println("Error loading location:", err)
                return
        }
        time.Local=location
        args := os.Args
        if len(args) < 3 {
                fmt.Printf("Usage: %s <AccessKeyId> <AccessKeySecret>\n", args[0])
                return
        }

        now := time.Now()
        tomorrowMidnight := time.Date(now.Year(), now.Month(), now.Day()+1, 0, 0, 0, 0, time.Local)

        if now.Hour() != 0 {
                fmt.Println("Waiting for 00:00:00 to start...")
                sleepDuration := tomorrowMidnight.Sub(now)
                time.Sleep(sleepDuration)
        }

        //因为阿里可能不整点放货，所以，这里不再连续抢了，因为SDK的限制是10次/分钟
        //现在改为每分钟抢10次左右，一直抢5分钟。 也就是6秒左右抢一次。按照中位数，3秒，应该还是希望很大。
        for i := 1; i <= 50; i++ {
                err := SDKCreate(args[1], args[2])
                if err != nil {
                        fmt.Printf("%d - Error: %s\n", i, err)
                } else {
                        fmt.Printf("%d - Success! Please check it in your aliyun console.\n", i)
                        break
                }
                time.Sleep(6 * time.Second)
        }

        fmt.Println("Done")
}