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docs: add missing import (#5500)

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Lucas Fernando Cardoso Nunes 2025-06-05 05:12:39 -03:00 committed by GitHub
parent fd03db45e7
commit 221d159484
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1 changed files with 29 additions and 27 deletions
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56
docs/registry/txt.md
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@ -115,37 +115,39 @@ In some cases you might need to edit registry TXT records. The following example
package main
import (
"fmt"
"sigs.k8s.io/external-dns/endpoint"
b64 "encoding/base64"
"fmt"
"sigs.k8s.io/external-dns/endpoint"
)
func main() {
keys := []string{
"ZPitL0NGVQBZbTD6DwXJzD8RiStSazzYXQsdUowLURY=", // safe base64 url encoded 44 bytes and 32 when decoded
"01234567890123456789012345678901", // plain txt 32 bytes
"passphrasewhichneedstobe32bytes!", // plain txt 32 bytes
}
keys := []string{
"ZPitL0NGVQBZbTD6DwXJzD8RiStSazzYXQsdUowLURY=", // safe base64 url encoded 44 bytes and 32 when decoded
"01234567890123456789012345678901", // plain txt 32 bytes
"passphrasewhichneedstobe32bytes!", // plain txt 32 bytes
}
for _, k := range keys {
key := []byte(k)
if len(key) != 32 {
// if key is not a plain txt let's decode
var err error
if key, err = b64.StdEncoding.DecodeString(string(key)); err != nil || len(key) != 32 {
fmt.Errorf("the AES Encryption key must have a length of 32 byte")
}
}
encrypted, _ := endpoint.EncryptText(
"heritage=external-dns,external-dns/owner=example,external-dns/resource=ingress/default/example",
key,
nil,
)
decrypted, _, err := endpoint.DecryptText(encrypted, key)
if err != nil {
fmt.Println("Error decrypting:", err, "for key:", k)
}
fmt.Println(decrypted)
}
for _, k := range keys {
key := []byte(k)
if len(key) != 32 {
// if key is not a plain txt let's decode
var err error
if key, err = b64.StdEncoding.DecodeString(string(key)); err != nil || len(key) != 32 {
fmt.Errorf("the AES Encryption key must have a length of 32 byte")
}
}
encrypted, _ := endpoint.EncryptText(
"heritage=external-dns,external-dns/owner=example,external-dns/resource=ingress/default/example",
key,
nil,
)
decrypted, _, err := endpoint.DecryptText(encrypted, key)
if err != nil {
fmt.Println("Error decrypting:", err, "for key:", k)
}
fmt.Println(decrypted)
}
}
```