':param host: The hostname used to generate the certificate
:return: A tuple containing:
- Certificate path
- Key path'

def get_cert_key(self, host=None):

    if ((not os.path.exists(self.cert_path)) or (not os.path.exists(self.cert_path))):
        self.generate(host=host)
    return (self.cert_path, self.key_path)
