'Any initialization the volume driver does while starting.'

def do_setup(self, context):

    self.login_info = {'ControllerIP0': self.configuration.zteControllerIP0, 'ControllerIP1': self.configuration.zteControllerIP1, 'LocalIP': self.configuration.zteLocalIP, 'UserName': self.configuration.zteUserName, 'UserPassword': self.configuration.zteUserPassword}
    self._get_server()
    try:
        self.session_id = self._user_login()
    except exception.VolumeBackendAPIException:
        self._change_server()
        self.session_id = self._user_login()
