93 lines
1.8 KiB
Go
93 lines
1.8 KiB
Go
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package main
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import (
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"context"
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"encoding/json"
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"flag"
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"fmt"
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"net"
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"os"
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"github.com/libdns/cloudflare"
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"github.com/libdns/libdns"
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)
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var (
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domain = os.Getenv("DOMAIN")
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token = os.Getenv("CF_TOKEN")
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)
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func main() {
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ctx := context.TODO()
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ip := net.IPv4(127, 0, 0, 1)
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var cname string
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sub := "<UNSET>"
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var path string
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flag.StringVar(&domain, "d", domain, "Domain name, e.g. example.com")
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flag.StringVar(&sub, "s", sub, "Subdomain to add dns entry for, e.g. blog")
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flag.StringVar(&token, "a", token, "Cloudflare API Token")
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flag.TextVar(&ip, "i", ip, "IP address")
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flag.StringVar(&cname, "c", cname, "CNAME target")
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flag.StringVar(&path, "o", path, "path to save all records as json, e.g. ./records.json")
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flag.Parse()
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provider := cloudflare.Provider{APIToken: token}
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zone := domain + "."
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fmt.Println(zone, sub, cname)
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setRecords := func() ([]libdns.Record, error) {
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switch {
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case cname != "":
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return provider.SetRecords(ctx, zone, []libdns.Record{
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{
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Type: "CNAME",
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Name: sub,
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Value: cname,
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},
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})
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case len(ip) == net.IPv4len:
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return provider.SetRecords(ctx, zone, []libdns.Record{
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{
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Type: "A",
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Name: sub,
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Value: ip.To4().String(),
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},
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})
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case len(ip) == net.IPv6len:
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return provider.SetRecords(ctx, zone, []libdns.Record{
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{
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Type: "AAAA",
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Name: sub,
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Value: ip.To16().String(),
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},
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})
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}
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return nil, fmt.Errorf("neither cname nor valid ip is set")
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}
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if sub != "<UNSET>" {
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newRecs, err := setRecords()
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if err != nil {
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fmt.Printf("%#v\n", err)
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panic(err)
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}
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fmt.Println(newRecs)
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}
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if path != "" {
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recs, err := provider.GetRecords(ctx, zone)
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if err != nil {
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panic(err)
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}
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data, err := json.Marshal(recs)
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if err != nil {
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panic(err)
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}
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err = os.WriteFile(path, data, 0644)
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if err != nil {
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panic(err)
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}
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}
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}
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