func CreateDiscoveryDeploymentAndSecret(cfg *kubeadmapi.MasterConfiguration, client *clientset.Clientset, caCert *x509.Certificate) error {
kd := newKubeDiscovery(cfg, caCert)
if _, err := client.Extensions().Deployments(api.NamespaceSystem).Create(kd.Deployment); err != nil {
return fmt.Errorf("failed to create %q deployment [%v]", kubeDiscoveryName, err)
}
if _, err := client.Secrets(api.NamespaceSystem).Create(kd.Secret); err != nil {
return fmt.Errorf("failed to create %q secret [%v]", kubeDiscoverySecretName, err)
}
fmt.Println("[token-discovery] Created the kube-discovery deployment, waiting for it to become ready")
start := time.Now()
wait.PollInfinite(apiCallRetryInterval, func() (bool, error) {
d, err := client.Extensions().Deployments(api.NamespaceSystem).Get(kubeDiscoveryName, metav1.GetOptions{})
if err != nil {
return false, nil
}
if d.Status.AvailableReplicas < 1 {
return false, nil
}
return true, nil
})
fmt.Printf("[token-discovery] kube-discovery is ready after %f seconds\n", time.Since(start).Seconds())
return nil
}
// UpdateOrCreateToken attempts to update a token with the given ID, or create if it does
// not already exist.
func UpdateOrCreateToken(client *clientset.Clientset, d *kubeadmapi.TokenDiscovery, tokenDuration time.Duration) error {
// Let's make sure
if valid, err := ValidateToken(d); !valid {
return err
}
secretName := fmt.Sprintf("%s%s", BootstrapTokenSecretPrefix, d.ID)
var lastErr error
for i := 0; i < tokenCreateRetries; i++ {
secret, err := client.Secrets(api.NamespaceSystem).Get(secretName, metav1.GetOptions{})
if err == nil {
// Secret with this ID already exists, update it:
secret.Data = encodeTokenSecretData(d, tokenDuration)
if _, err := client.Secrets(api.NamespaceSystem).Update(secret); err == nil {
return nil
} else {
lastErr = err
}
continue
}
// Secret does not already exist:
if apierrors.IsNotFound(err) {
secret = &v1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: secretName,
},
Type: api.SecretTypeBootstrapToken,
Data: encodeTokenSecretData(d, tokenDuration),
}
if _, err := client.Secrets(api.NamespaceSystem).Create(secret); err == nil {
return nil
} else {
lastErr = err
}
continue
}
}
return fmt.Errorf(
"unable to create bootstrap token after %d attempts [%v]",
tokenCreateRetries,
lastErr,
)
}