125 lines
2.6 KiB
Go
125 lines
2.6 KiB
Go
package main
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import (
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"fmt"
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"log"
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"net"
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"os"
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"strings"
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"time"
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"github.com/aliyun/alibaba-cloud-sdk-go/services/alidns"
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)
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func main() {
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domain := os.Getenv("DOMAIN")
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rr := os.Getenv("RR")
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regionID := os.Getenv("REGIONID")
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if regionID == "" {
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regionID = "cn-hangzhou"
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}
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accessKeyID := os.Getenv("ACCESSKEYID")
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accessSecret := os.Getenv("ACCESSSECRET")
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ip6 := ""
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for {
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time.Sleep(3 * time.Second)
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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log.Println(err)
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continue
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}
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currentIPV6 := ""
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for _, address := range addrs {
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// 检查 ip 地址判断是否回环地址
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if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() && !ipnet.IP.IsPrivate() && ipnet.IP.IsGlobalUnicast() {
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if ipnet.IP.To16() != nil {
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if currentIPV6 != ipnet.IP.String() {
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currentIPV6 = ipnet.IP.String()
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break
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}
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}
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}
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}
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if currentIPV6 == "" || currentIPV6 == ip6 {
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continue
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}
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client, err := alidns.NewClientWithAccessKey(regionID, accessKeyID, accessSecret)
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if err != nil {
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log.Println(err.Error())
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continue
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}
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drRequest := alidns.CreateDescribeDomainRecordsRequest()
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drRequest.KeyWord = rr
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drRequest.DomainName = domain
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drRequest.TypeKeyWord = "AAAA"
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drResponse, err := client.DescribeDomainRecords(drRequest)
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if err != nil {
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log.Println(err)
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continue
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}
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if !drResponse.IsSuccess() {
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continue
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}
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rid := ""
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for _, r := range drResponse.DomainRecords.Record {
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rid = r.RecordId
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if r.Value == currentIPV6 {
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ip6 = currentIPV6
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rid = ""
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}
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break
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}
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if rid == "" {
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continue
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}
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//修改域名对应的IP，修改成功后continue
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req := alidns.CreateUpdateDomainRecordRequest()
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req.Scheme = "https"
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req.RR = rr
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req.RecordId = rid
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req.Value = currentIPV6
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req.Type = "AAAA"
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resp, err := client.UpdateDomainRecord(req)
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if err != nil {
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log.Println(err.Error())
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if !strings.Contains(err.Error(), fmt.Sprintf("not %s", domain)) {
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continue
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}
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}
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if resp.IsSuccess() {
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ip6 = currentIPV6
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log.Println("update success: ", ip6)
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continue
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}
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//当域名修改失败时判断是否是没有对应的记录，不存在时创建新的域名记录
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request := alidns.CreateAddDomainRecordRequest()
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request.Scheme = "https"
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request.Value = currentIPV6
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request.Type = "AAAA"
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request.RR = rr
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request.DomainName = domain
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response, err := client.AddDomainRecord(request)
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if err != nil {
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fmt.Print(err.Error())
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continue
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}
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if !response.IsSuccess() {
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fmt.Print(response.GetHttpContentString())
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ip6 = currentIPV6
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}
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}
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}
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