运维天地-服务器04-X86-PCServer内存信息获取

• 2020 年 4 月 2 日
• 笔记

01

PART

知识回顾

本篇文章，我们重点介绍服务器"内存"信息的获取。

前期知识储备和回顾，请参考以下文章

01）运维天地-服务器01-X86-PCServer属性介绍

02）运维天地-服务器02-X86-PCServer资产信息获取

03）运维天地-服务器02-X86-PCServer CPU信息获取

特别说明：本文的服务器特指X86-PCServer硬件服务器

02

PART

X86-PCServer 内存信息获取

A

获取脚本

#!/usr/bin/python  #-*- coding: utf-8 -*-  #author: wangzhiguo  #date: 2020.01.29    import commands    class MemInfo():      def __init__(self):          return        def get_mem_type(self):          status, output = commands.getstatusoutput("dmidecode -t memory | grep 'Type: DDR' | sort -u | awk '{print $2}'")          mem_type = output.strip()          return mem_type        def get_mem_speed(self):          status, output = commands.getstatusoutput("dmidecode -t memory | grep 'Configured Clock Speed:' | grep -v 'Configured Clock Speed: Unknown' | sort -u   | awk '{print$4}'")          mem_speed = output.strip()          return mem_speed        def get_mem_size(self):          status, output = commands.getstatusoutput ("dmidecode -t memory | grep 'Size:' | grep -v 'Size: No Module Installed' | sort -u")          output = output.split(":")[1].split()          if output[1] == "MB":              mem_size = int(output[0])/1024              return mem_size          elif output[1] == "GB":              mem_size = int(output[0])              return mem_size          elif output[1] == "KB":              mem_size = int(output[0])/1024/1024              return mem_size          elif output[1] == "TB":              mem_size = int(output[0])*1024              return mem_size          else:              mem_size = int(output[0])              return mem_size        def get_mem_num(self):          status, output = commands.getstatusoutput("dmidecode -t memory | grep 'Size:' | grep -v 'Size: No Module Installed' | wc -l")          mem_num = output.strip()          mem_num = int(mem_num)          return mem_num        def get_mem_slot_num(self):          status, output = commands.getstatusoutput("dmidecode -t memory | grep 'Memory Device' | wc -l")          mem_slot_num = output.strip()          mem_slot_num = int(mem_slot_num)          return mem_slot_num        def get_all(self):          mem_type = self.get_mem_type()          mem_speed = self.get_mem_speed()          mem_size = self.get_mem_size()          mem_num = self.get_mem_num()          mem_slot_num = self.get_mem_slot_num()          return mem_type, mem_speed, mem_size, mem_num, mem_slot_num    def main():      temp = MemInfo()      print(temp.get_all())    if __name__ == '__main__':      main()  

B

获取方法概述

1. 内存信息的获取，其实就利用了dmidecode命令
2. dmidecode -t momory
3. 接下来就是字符串的处理(过滤、分割、拼接)