ipmitool获取服务器sn码

#/bin/python3
import sys,os,time,subprocess

#sys.argv[1] 为ipmi 文件 内容格式为:  ipmi_host ipmi_user ipmi_passwd
ipmi_info=sys.argv[1]
def get_sn(ipmi_host,ipmi_user,ipmi_passwd):
#    result = os.system(" echo '%s' $(ipmitool -I lanplus -H '%s' -U '%s' -P '%s' fru list|grep 'Product Serial'|head -n 1|awk -F '[: ]+' '{print $4}')"%(ipmi_host,ipmi_host,ipmi_user,ipmi_passwd))
    result = subprocess.getoutput("ipmitool -I lanplus -H '%s' -U '%s' -P '%s' fru list|grep 'Product Serial'|head -n 1|awk -F '[: ]+' '{print $4}'"%(ipmi_host,ipmi_user,ipmi_passwd))
    print(result)
    return result
def main(ipmi_info):
    with open(ipmi_info, 'r',encoding='utf-8') as f:
        lines = f.readlines()
    sn_dict={}
    for line in lines:
        info=line.split( )
        sn_info=get_sn(info[0],info[1],info[2])
        sn_dict[info[0]]=sn_info
    nowtime=time.strftime('%Y-%m-%d-%H:%M:%S')
    with open('%s.txt'%(nowtime),'w',encoding='utf-8') as f1:
        for key,value in sn_dict.items():
            f1.write('%s %s '%(key,value))
if __name__=="__main__":
    main(ipmi_info)