// CA private key. Only called by a self-signed Citadel.
func GenRootCertFromExistingKey(options CertOptions) (pemCert []byte, pemKey []byte, err error) {
	if !options.IsSelfSigned || len(options.SignerPrivPem) == 0 {
		return nil, nil, fmt.Errorf("skip cert " +
			"generation. Citadel is not in self-signed mode or CA private key is not " +
			"available")
	}

    return requests.get(url, **kwargs)


class Writer(object):
    def __init__(self, filename):
        self.file = open(filename, 'w')

    def write(self, data):
        self.file.write(data)

    def flush(self):
        self.file.flush()


if __name__ == '__main__':
    if len(sys.argv) < 2:
        logging.error("usage: %s port" % (sys.argv[0]))

        public void nagUser() {
            DeprecationLogger.nagUserWith(builder, WithDocumentation.class);
        }
    }

    public static abstract class WithReplacement<T, SELF extends WithReplacement<T, SELF>> extends DeprecationMessageBuilder<SELF> {
        protected final String subject;
        private T replacement;

        WithReplacement(String subject) {
            this.subject = subject;
        }

	SelfSignedCACertTTL = env.Register("CITADEL_SELF_SIGNED_CA_CERT_TTL",
		cmd.DefaultSelfSignedCACertTTL,
		"The TTL of self-signed CA root certificate.")

	selfSignedRootCertCheckInterval = env.Register("CITADEL_SELF_SIGNED_ROOT_CERT_CHECK_INTERVAL",
		cmd.DefaultSelfSignedRootCertCheckInterval,
		"The interval that self-signed CA checks its root certificate "+
			"expiration time and rotates root certificate. Setting this interval "+

   * undirected edges connect a pair of nodes to each other.
   */
  @Override
  boolean isDirected();

  /**
   * Returns true if this graph allows self-loops (edges that connect a node to itself). Attempting
   * to add a self-loop to a graph that does not allow them will throw an {@link
   * IllegalArgumentException}.
   */
  @Override
  boolean allowsSelfLoops();

   * undirected edges connect a pair of nodes to each other.
   */
  @Override
  boolean isDirected();

  /**
   * Returns true if this graph allows self-loops (edges that connect a node to itself). Attempting
   * to add a self-loop to a graph that does not allow them will throw an {@link
   * IllegalArgumentException}.
   */
  @Override
  boolean allowsSelfLoops();

   * undirected edges connect a pair of nodes to each other.
   */
  @Override
  boolean isDirected();

  /**
   * Returns true if this graph allows self-loops (edges that connect a node to itself). Attempting
   * to add a self-loop to a graph that does not allow them will throw an {@link
   * IllegalArgumentException}.
   */
  @Override
  boolean allowsSelfLoops();

   * undirected edges connect a pair of nodes to each other.
   */
  @Override
  boolean isDirected();

  /**
   * Returns true if this graph allows self-loops (edges that connect a node to itself). Attempting
   * to add a self-loop to a graph that does not allow them will throw an {@link
   * IllegalArgumentException}.
   */
  @Override
  boolean allowsSelfLoops();

	anotherKeyFile      = "../testdata/key.pem"
	anotherRootCertFile = "../testdata/cert.pem"
	// These key/cert contain workload key/cert, and a self-signed root cert,
	// all with TTL 100 years.
	rootCertFile1    = "../testdata/self-signed-root-cert.pem"
	certChainFile1   = "../testdata/workload-cert.pem"
	keyFile1         = "../testdata/workload-key.pem"
	ecRootCertFile   = "../testdata/ec-root-cert.pem"

			return fmt.Errorf("unable to generate self signed cert: %v", err)
		} else if len(keyCert.CertFile) > 0 && len(keyCert.KeyFile) > 0 {
			if err := certutil.WriteCert(keyCert.CertFile, cert); err != nil {
				return err
			}
			if err := keyutil.WriteKey(keyCert.KeyFile, key); err != nil {
				return err
			}
			klog.Infof("Generated self-signed cert (%s, %s)", keyCert.CertFile, keyCert.KeyFile)
		} else {