'Return system\'s name, ID, and code level.'

def get_system_info(self):

    resp = self.ssh.lssystem()
    level = resp['code_level']
    match_obj = re.search('([0-9].){3}[0-9]', level)
    if (match_obj is None):
        msg = (_('Failed    to    get    code    level    (%s).') % level)
        raise exception.VolumeBackendAPIException(data=msg)
    code_level = match_obj.group().split('.')
    return {'code_level': tuple([int(x) for x in code_level]), 'system_name': resp['name'], 'system_id': resp['id']}
