cloudflare ddns

cloudflare-ddns.go

package main

//  env GOOS=linux GOARCH=arm go build -ldflags="-s -w" -v a.go
//  upx --best --ultra-brute main

import (
        "fmt"
        "time"

        "github.com/cloudflare/cloudflare-go"
        externalip "github.com/glendc/go-external-ip"
)

const (
        // cloudflare: create a token with read/edit DNS within your zone
        apiToken = ""
        zoneID   = ""
        host     = ""
)

func CFupdate(ip string) error {
        // Fetch record IDs for the records we need to update.
        api, err := cloudflare.NewWithAPIToken(apiKey)
        if err != nil {
                return err
        }
        records, err := api.DNSRecords(zoneID, cloudflare.DNSRecord{Name: host, Type: "A"})
        if err != nil {
                return err
        }

        for _, r := range records {
                err := api.UpdateDNSRecord(zoneID, r.ID, cloudflare.DNSRecord{Content: ip})
                if err != nil {
                        return err
                }
        }
        return nil
}

func main() {
        for {
                ip, err := consensus.ExternalIP()
                if err == nil {
                        fmt.Printf("IP address from cip ... %v\n", ip)

                        if err := CFupdate(ip); err != nil {
                                fmt.Printf("failed update cf: %v", err)
                        }
                }
                time.Sleep(time.Minute * 30)
        }
}