lego/providers/dns/vinyldns/wrapper.go
2023-05-05 09:49:38 +02:00

128 lines
3 KiB
Go

package vinyldns
import (
"fmt"
"github.com/go-acme/lego/v4/challenge/dns01"
"github.com/go-acme/lego/v4/platform/wait"
"github.com/vinyldns/go-vinyldns/vinyldns"
)
func (d *DNSProvider) getRecordSet(fqdn string) (*vinyldns.RecordSet, error) {
zoneName, hostName, err := splitDomain(fqdn)
if err != nil {
return nil, err
}
zone, err := d.client.ZoneByName(zoneName)
if err != nil {
return nil, err
}
allRecordSets, err := d.client.RecordSetsListAll(zone.ID, vinyldns.ListFilter{NameFilter: hostName})
if err != nil {
return nil, err
}
var recordSets []vinyldns.RecordSet
for _, i := range allRecordSets {
if i.Type == "TXT" {
recordSets = append(recordSets, i)
}
}
switch {
case len(recordSets) > 1:
return nil, fmt.Errorf("ambiguous recordset definition of %s", fqdn)
case len(recordSets) == 1:
return &recordSets[0], nil
default:
return nil, nil
}
}
func (d *DNSProvider) createRecordSet(fqdn string, records []vinyldns.Record) error {
zoneName, hostName, err := splitDomain(fqdn)
if err != nil {
return err
}
zone, err := d.client.ZoneByName(zoneName)
if err != nil {
return err
}
recordSet := vinyldns.RecordSet{
Name: hostName,
ZoneID: zone.ID,
Type: "TXT",
TTL: d.config.TTL,
Records: records,
}
resp, err := d.client.RecordSetCreate(&recordSet)
if err != nil {
return err
}
return d.waitForChanges("CreateRS", resp)
}
func (d *DNSProvider) updateRecordSet(recordSet *vinyldns.RecordSet, newRecords []vinyldns.Record) error {
operation := "delete"
if len(recordSet.Records) < len(newRecords) {
operation = "add"
}
recordSet.Records = newRecords
recordSet.TTL = d.config.TTL
resp, err := d.client.RecordSetUpdate(recordSet)
if err != nil {
return err
}
return d.waitForChanges("UpdateRS - "+operation, resp)
}
func (d *DNSProvider) deleteRecordSet(existingRecord *vinyldns.RecordSet) error {
resp, err := d.client.RecordSetDelete(existingRecord.ZoneID, existingRecord.ID)
if err != nil {
return err
}
return d.waitForChanges("DeleteRS", resp)
}
func (d *DNSProvider) waitForChanges(operation string, resp *vinyldns.RecordSetUpdateResponse) error {
return wait.For("vinyldns", d.config.PropagationTimeout, d.config.PollingInterval,
func() (bool, error) {
change, err := d.client.RecordSetChange(resp.Zone.ID, resp.RecordSet.ID, resp.ChangeID)
if err != nil {
return false, fmt.Errorf("failed to query change status: %w", err)
}
if change.Status == "Complete" {
return true, nil
}
return false, fmt.Errorf("waiting operation: %s, zoneID: %s, recordsetID: %s, changeID: %s",
operation, resp.Zone.ID, resp.RecordSet.ID, resp.ChangeID)
},
)
}
// splitDomain splits the hostname from the authoritative zone, and returns both parts.
func splitDomain(fqdn string) (string, string, error) {
zone, err := dns01.FindZoneByFqdn(fqdn)
if err != nil {
return "", "", fmt.Errorf("could not find zone for FDQN %q: %w", fqdn, err)
}
subDomain, err := dns01.ExtractSubDomain(fqdn, zone)
if err != nil {
return "", "", err
}
return zone, subDomain, nil
}