刀片式服务器IMPI管理--修改启动方式并重启

import subprocess
def set_boot_or_power_state( addr, action,user="", passwd="",):
    if action in ['on', 'off', 'reset']:
        device = 'power'
    elif action in ['pxe', 'disk',"bios"]:
        device = 'bootdev'
    else:
        return

    cmd = ['ipmitool', '-I', 'lanplus', '-H', addr, '-U', user,
           '-P', passwd, 'chassis', device, action]
    if device == 'bootdev':
        cmd.append('options=persistent')
    _PIPE = subprocess.PIPE
    print " ".join(cmd)
    try:
        obj = subprocess.Popen(cmd, stdin=_PIPE, stdout=_PIPE,
                               stderr=_PIPE, shell=False)
        obj.communicate()
    except Exception as e:
        msg = "%s set_boot_or_power_state error: %s" % (addr, e)
        print msg
        return -1

    return obj.returncode,obj

if __name__=="__main__":
    host_list_end_tail =("31","32","33")
    for host in host_list_end_tail:
        host_list="102.3.100.".strip()+host
        set_boot_or_power_state(host_list,"bios")
        set_boot_or_power_state(host_list, "reset")
说明代码来源：opentack daisy开源项目
有一点点改动，还未验证。。。。