Python 通过dmidecode获取Linux服务器硬件信息

通过 dmidecode 命令可以获取到 Linux 系统的包括 BIOS、 CPU、内存等系统的硬件信息，这里使用 python 代码来通过调用 dmidecode 命令来获取 Linux 必要的系统信息

用法：

1、 dmidecode -t [类型代码或名称 ] 指令

(1)获取系统信息，例如：

sudo dmidecode -t 1

(2)获取主板信息：

sudo dmidecode -t 2

(3)获取CPU ID

sudo dmidecode -t 4 | grep ID

(4)获取系统序列号

sudo dmidecode | grep Serial

附：

dmidecode -t 指令参数参考

   Type   Information
   ────────────────────────────────────────────
      0   BIOS
      1   System
      2   Baseboard
      3   Chassis
      4   Processor
      5   Memory Controller
      6   Memory Module
      7   Cache
      8   Port Connector
      9   System Slots
     10   On Board Devices

     11   OEM Strings
     12   System Configuration Options
     13   BIOS Language
     14   Group Associations
     15   System Event Log
     16   Physical Memory Array
     17   Memory Device
     18   32-bit Memory Error
     19   Memory Array Mapped Address
     20   Memory Device Mapped Address
     21   Built-in Pointing Device
     22   Portable Battery
     23   System Reset
     24   Hardware Security
     25   System Power Controls
     26   Voltage Probe
     27   Cooling Device
     28   Temperature Probe
     29   Electrical Current Probe
     30   Out-of-band Remote Access
     31   Boot Integrity Services
     32   System Boot
     33   64-bit Memory Error
     34   Management Device
     35   Management Device Component
     36   Management Device Threshold Data
     37   Memory Channel
     38   IPMI Device
     39   Power Supply
     40   Additional Information
     41   Onboard Devices Extended Information
     42   Management Controller Host Interface

2、dmidecode -s [关键字] 指令

例如，查看处理器生产厂家：

sudo dmidecode -s processor-manufacturer

附可查询的关键字：

   bios-vendor, bios-version, bios-release-date,  
   system-manufacturer, system-product-name,system-version, system-serial-number,  system-uuid, 
   baseboard-manufacturer, baseboard-product-name, baseboard-version, baseboard-serial-number,  baseboard-asset-tag,
   chassis-manufacturer, chassis-type, chassis-version, chassis-serial-number, chassis-asset-tag, 
   processor-family, processor-manufacturer, processor-version,  processor-frequency

需要配置sudo免密：请参照 https://gaoming.blog.csdn.net/article/details/88993044
通过Python获取cpu id、主办序列号、内存数量

#!/usr/bin/python
# encoding: utf-8

import subprocess


def getCpuId():
    p = subprocess.Popen(["sudo dmidecode -t 4 | grep ID"], shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE , stderr=subprocess.PIPE)
    data = p.stdout
    lines = []
    while True:
        line = str(data.readline(), encoding="utf-8")
        if line == '\n':
            break
        if line:
            d = dict([line.strip().split(': ')])
            lines.append(d)
        else:
            break    
    return lines


def getBaseboardSerialnumber ():
    p = subprocess.Popen(["sudo dmidecode -t 2 | grep Serial"], shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE , stderr=subprocess.PIPE)
    data = p.stdout
    lines = []
    while True:
        line = str(data.readline(), encoding="utf-8")
        if line == '\n':
            break
        if line:
            d = dict([line.strip().split(': ')])
            lines.append(d)
        else:
            break    
    return lines


def memory ():
    p = subprocess.Popen(["sudo dmidecode -t memory | grep 'Number Of Devices'"], shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE , stderr=subprocess.PIPE)
    data = str(p.stdout.read(), encoding="utf-8")
    d = dict([data.strip().split(': ')])
    return d


if __name__ == '__main__':
    print (getCpuId())
    print (getBaseboardSerialnumber())
    print (memory())