Synnefo » snf-ganeti

def GetCryptoTokens(token_types):

  """Get the node's public cryptographic tokens.

  This can be the public ssh key of the node or the certificate digest of

  the node's public client SSL certificate.

  Note: so far, only retrieval of the SSL digest is implemented

  @type token_types: list of strings in constants.CRYPTO_TYPES

  @param token_types: list of types of requested cryptographic tokens

  @rtype: list of tuples (string, string)

  @return: list of tuples of the token type and the public crypto token

  """

  tokens = []

  for token_type in token_types:

    if token_type not in constants.CRYPTO_TYPES:

      raise errors.ProgrammerError("Token type %s not supported." %

                                   token_type)

    if token_type == constants.CRYPTO_TYPE_SSL_DIGEST:

      tokens.append((token_type, utils.GetClientCertificateDigest()))

  return tokens