/// <summary>
/// Generates the PFX client certificate.
/// </summary>
/// <param name="user">The config <see cref="User"/>.</param>
/// <returns>The client certificate.</returns>
public static X509Certificate2 GenerateClientCert(User user)
{
if (null == user)
{
throw new Exception(string.Format("Missing required parameter {0}.", nameof(user)));
}
byte[] clientCertData = default(byte[]);
if (!KubeConfigUtils.TryGetDataFromBase64String(user.UserData.ClientCertificateData, out clientCertData))
{
throw new Exception(string.Format("Invalid base54 {0} string.", nameof(user.UserData.ClientCertificateData)));
}
byte[] clientKeyData = default(byte[]);
if (!KubeConfigUtils.TryGetDataFromBase64String(user.UserData.ClientKeyData, out clientKeyData))
{
throw new Exception(string.Format("Invalid base64 {0} string.", nameof(user.UserData.ClientKeyData)));
}
// Generate RSA key
object obj = default(object);
using (StreamReader reader = new StreamReader(new MemoryStream(clientKeyData)))
{
obj = new PemReader(reader).ReadObject();
var key = obj as AsymmetricCipherKeyPair;
if (null != key)
{
var cipherKey = key;
obj = cipherKey.Private;
}
}
RsaPrivateCrtKeyParameters rsaPrivateKeyParams = (RsaPrivateCrtKeyParameters)obj;
// Save cert entry in pkcs12 store
Org.BouncyCastle.X509.X509Certificate clientCert = new X509CertificateParser().ReadCertificate(new MemoryStream(clientCertData));
Pkcs12Store store = new Pkcs12StoreBuilder().Build();
store.SetKeyEntry("K8SKEY", new AsymmetricKeyEntry(rsaPrivateKeyParams), new[] { new X509CertificateEntry(clientCert) });
// Generate pfx
using (MemoryStream pkcsStream = new MemoryStream())
{
store.Save(pkcsStream, new char[0], new SecureRandom());
return(new X509Certificate2(pkcsStream.ToArray()));
}
}
/// <summary>
/// Creates a new instance of <see cref="IKubernetesClient"/>.
/// </summary>
/// <param name="authType">The authentication type.</param>
/// <returns>Instance of <see cref="IKubernetesClient"/>.</returns>
public IKubernetesClient CreateClient(AuthType authType)
{
// Parse kube config from path
KubeConfig kubeConfigFile = KubeConfigUtils.ParseKubeConfig(this.kubeConfigFilePath);
// Get current context from kube config
Cluster cluster = default(Cluster);
User user = default(User);
if (!KubeConfigUtils.TryGetCurrentContext(kubeConfigFile, out cluster, out user))
{
throw new ApplicationException("Invalid config in %USERPROFILE%\\.kube\\config.");
}
// Build client
ApiClient client = new ApiClient(cluster.ClusterData.Server);
switch (authType)
{
case AuthType.BasicAuth:
client.RestClient.Authenticator = new HttpBasicAuthenticator(user.UserData.UserName, user.UserData.Password);
break;
case AuthType.TokenAuth:
client.RestClient.Authenticator = new OAuth2AuthorizationRequestHeaderAuthenticator(user.UserData.Token);
break;
case AuthType.SSLAuth:
client.RestClient.ClientCertificates = new X509CertificateCollection()
{
KubeConfigUtils.GenerateClientCert(user)
};
break;
default:
break;
}
return(new KubernetesClient(new Configuration(client)));
}
