portainer/api/kubernetes/cli/secret.go

75 lines
2.1 KiB
Go

package cli
import (
"errors"
"time"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func (kcl *KubeClient) createServiceAccountToken(serviceAccountName string) error {
serviceAccountSecretName := userServiceAccountTokenSecretName(serviceAccountName, kcl.instanceID)
serviceAccountSecret := &v1.Secret{
TypeMeta: metav1.TypeMeta{},
ObjectMeta: metav1.ObjectMeta{
Name: serviceAccountSecretName,
Annotations: map[string]string{
"kubernetes.io/service-account.name": serviceAccountName,
},
},
Type: "kubernetes.io/service-account-token",
}
_, err := kcl.cli.CoreV1().Secrets(portainerNamespace).Create(serviceAccountSecret)
if err != nil && !k8serrors.IsAlreadyExists(err) {
return err
}
return nil
}
func (kcl *KubeClient) getServiceAccountToken(serviceAccountName string) (string, error) {
serviceAccountSecretName := userServiceAccountTokenSecretName(serviceAccountName, kcl.instanceID)
secret, err := kcl.cli.CoreV1().Secrets(portainerNamespace).Get(serviceAccountSecretName, metav1.GetOptions{})
if err != nil {
return "", err
}
// API token secret is populated asynchronously.
// Is it created by the controller and will depend on the environment/secret-store:
// https://github.com/kubernetes/kubernetes/issues/67882#issuecomment-422026204
// as a work-around, we wait for up to 5 seconds for the secret to be populated.
timeout := time.After(5 * time.Second)
searchingForSecret := true
for searchingForSecret {
select {
case <-timeout:
return "", errors.New("unable to find secret token associated to user service account (timeout)")
default:
secret, err = kcl.cli.CoreV1().Secrets(portainerNamespace).Get(serviceAccountSecretName, metav1.GetOptions{})
if err != nil {
return "", err
}
if len(secret.Data) > 0 {
searchingForSecret = false
break
}
time.Sleep(1 * time.Second)
}
}
secretTokenData, ok := secret.Data["token"]
if ok {
return string(secretTokenData), nil
}
return "", errors.New("unable to find secret token associated to user service account")
}