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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package wireguard | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "github.com/liqotech/liqo/pkg/liqonet/tunnel/wireguard" | ||
| "golang.zx2c4.com/wireguard/wgctrl/wgtypes" | ||
| corev1 "k8s.io/api/core/v1" | ||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| k8s "k8s.io/client-go/kubernetes" | ||
| ) | ||
|
|
||
| func GetKeys(secretName, namespace string, c *k8s.Clientset) (priv, pub wgtypes.Key, err error) { | ||
| //first we check if a secret containing valid keys already exists | ||
| s, err := c.CoreV1().Secrets(namespace).Get(context.Background(), secretName, metav1.GetOptions{}) | ||
| if err != nil && !apierrors.IsNotFound(err) { | ||
| return priv, pub, err | ||
| } | ||
| //if the secret does not exist then keys are generated and saved into a secret | ||
| if apierrors.IsNotFound(err) { | ||
| // generate private and public keys | ||
| if priv, err = wgtypes.GeneratePrivateKey(); err != nil { | ||
| return priv, pub, fmt.Errorf("error generating private key for wireguard backend: %v", err) | ||
| } | ||
| pub = priv.PublicKey() | ||
| pKey := corev1.Secret{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: secretName, | ||
| Namespace: namespace, | ||
| }, | ||
| StringData: map[string]string{wireguard.PublicKey: pub.String(), wireguard.PrivateKey: priv.String()}, | ||
| } | ||
| _, err = c.CoreV1().Secrets(namespace).Create(context.Background(), &pKey, metav1.CreateOptions{}) | ||
| if err != nil { | ||
| return priv, pub, fmt.Errorf("failed to create the secret with name %s: %v", secretName, err) | ||
| } | ||
| return priv, pub, nil | ||
| } | ||
| //get the keys from the existing secret and set them | ||
| privKey, found := s.Data[wireguard.PrivateKey] | ||
| if !found { | ||
| return priv, pub, fmt.Errorf("no data with key '%s' found in secret %s", wireguard.PrivateKey, secretName) | ||
| } | ||
| priv, err = wgtypes.ParseKey(string(privKey)) | ||
| if err != nil { | ||
| return priv, pub, fmt.Errorf("an error occurred while parsing the private key for the wireguard driver :%v", err) | ||
| } | ||
| pubKey, found := s.Data[wireguard.PublicKey] | ||
| if !found { | ||
| return priv, pub, fmt.Errorf("no data with key '%s' found in secret %s", wireguard.PublicKey, secretName) | ||
| } | ||
| pub, err = wgtypes.ParseKey(string(pubKey)) | ||
| if err != nil { | ||
| return priv, pub, fmt.Errorf("an error occurred while parsing the public key for the wireguard driver :%v", err) | ||
| } | ||
| return priv, pub, nil | ||
| } |