使用Python收集获取Linux系统主机信息

使用 python 代码收集主机的系统信息，主要：主机名称、IP、系统版本、服务器厂商、型号、序列号、CPU信息、内存等系统信息。

#!/usr/bin/env python

#encoding: utf-8

'''

收集主机的信息：

主机名称、IP、系统版本、服务器厂商、型号、序列号、CPU信息、内存信息

'''

from subprocessimport Popen, PIPE

import os,sys

''' 获取 ifconfig 命令的输出 '''

defgetIfconfig():

p = Popen(['ifconfig'], stdout = PIPE)

data = p.stdout.read()

return data

''' 获取 dmidecode 命令的输出 '''

defgetDmi():

p = Popen(['dmidecode'], stdout = PIPE)

data = p.stdout.read()

return data

''' 根据空行分段落 返回段落列表'''

defparseData(data):

parsed_data = []

new_line =''

data = [ifor iin data.split('\n')if i]

for line in data:

if line[0].strip():

parsed_data.append(new_line)

new_line = line +'\n'

else:

new_line += line +'\n'

parsed_data.append(new_line)

return [i for iin parsed_dataif i]

''' 根据输入的段落数据分析出ifconfig的每个网卡ip信息 '''

defparseIfconfig(parsed_data):

dic = {}

parsed_data = [ifor iin parsed_dataifnot i.startswith('lo')]

for lines in parsed_data:

line_list = lines.split('\n')

devname = line_list[0].split()[0]

macaddr = line_list[0].split()[-1]

ipaddr = line_list[1].split()[1].split(':')[1]

break

dic['ip'] = ipaddr

return dic

''' 根据输入的dmi段落数据 分析出指定参数 '''

defparseDmi(parsed_data):

dic = {}

parsed_data = [ifor iin parsed_dataif i.startswith('System Information')]

parsed_data = [ifor iin parsed_data[0].split('\n')[1:]if i]

dmi_dic = dict([i.strip().split(':')for iin parsed_data])

dic['vender'] = dmi_dic['Manufacturer'].strip()

dic['product'] = dmi_dic['Product Name'].strip()

dic['sn'] = dmi_dic['Serial Number'].strip()

return dic

''' 获取Linux系统主机名称 '''

defgetHostname():

with open('/etc/sysconfig/network')as fd:

for line in fd:

if line.startswith('HOSTNAME'):

hostname = line.split('=')[1].strip()

break

return {'hostname':hostname}

''' 获取Linux系统的版本信息 '''

defgetOsVersion():

with open('/etc/issue')as fd:

for line in fd:

osver = line.strip()

break

return {'osver':osver}

''' 获取CPU的型号和CPU的核心数 '''

defgetCpu():

num =0

with open('/proc/cpuinfo')as fd:

for line in fd:

if line.startswith('processor'):

num +=1

if line.startswith('model name'):

cpu_model = line.split(':')[1].strip().split()

cpu_model = cpu_model[0] + ' ' + cpu_model[2] + ' ' + cpu_model[-1]

return {'cpu_num':num,'cpu_model':cpu_model}

''' 获取Linux系统的总物理内存 '''

defgetMemory():

with open('/proc/meminfo')as fd:

for line in fd:

if line.startswith('MemTotal'):

mem = int(line.split()[1].strip())

break

mem ='%.f' % (mem /1024.0) +' MB'

return {'Memory':mem}

if __name__ =='__main__':

dic = {}

data_ip = getIfconfig()

parsed_data_ip = parseData(data_ip)

ip = parseIfconfig(parsed_data_ip)

data_dmi = getDmi()

parsed_data_dmi = parseData(data_dmi)

dmi = parseDmi(parsed_data_dmi)

hostname = getHostname()

osver = getOsVersion()

cpu = getCpu()

mem = getMemory()

dic.update(ip)

dic.update(dmi)

dic.update(hostname)

dic.update(osver)

dic.update(cpu)

dic.update(mem)

''' 将获取到的所有数据信息并按简单格式对齐显示 '''

for k,v in dic.items():

print'%-10s:%s' % (k, v)