def check_fmd_service():    try:        output = subprocess.check_output('svcs -H -o state fmd',shell=True)        state = output.decode('UTF-8').strip()        if state == 'online':            return True        elif state == 'disabled':            subprocess.call('svcadm enable fmd',shell=True)            log_debug('enable fmd svc.')        elif state == 'maintenance':            subprocess.call('svcadm clear fmd',shell=True)            log_debug('clear fmd svc.')                    '''wait'''        for i in range(5):            output = subprocess.check_output('svcs -H -o state fmd',shell=True)            state = output.decode('UTF-8').strip()            if state == 'online':                return True            time.sleep(1)    except:        pass        log_debug('check and online fmd svc failed.')    return False