'Init Disco driver : get configuration, create client.'

def __init__(self, *args, **kwargs):

    super(DiscoDriver, self).__init__(*args, **kwargs)
    self.configuration.append_config_values(disco_opts)
    self.ctxt = context.get_admin_context()
    self.attach_detach_volume = disco_attach_detach.AttachDetachDiscoVolume(self.configuration)
