使用 python 收集获取 Linux 系统主机信息

jy166102

　　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 subprocess import Popen, PIPE
import os,sys
''' 获取 ifconfig 命令的输出 '''
def getIfconfig():
p = Popen(['ifconfig'], stdout = PIPE)
data = p.stdout.read()
return data
''' 获取 dmidecode 命令的输出 '''
def getDmi():
p = Popen(['dmidecode'], stdout = PIPE)
data = p.stdout.read()
return data
''' 根据空行分段落 返回段落列表'''
def parseData(data):
parsed_data = []
new_line = ''
data = [i for i in 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 i in parsed_data if i]
''' 根据输入的段落数据分析出ifconfig的每个网卡ip信息 '''
def parseIfconfig(parsed_data):
dic = {}
parsed_data = [i for i in parsed_data if not 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 '''
def parseDmi(parsed_data):
dic = {}
parsed_data = [i for i in parsed_data if i.startswith('System Information')]
parsed_data = [i for i in parsed_data[0].split('\n')[1:] if i]
dmi_dic = dict([i.strip().split(':') for i in 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 '''
def getHostname():
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 '''
def getOsVersion():
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 '''
def getCpu():
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 '''
def getMemory():
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)

　　实验测试结果：



product   :VMware Virtual Platform
osver     :CentOS release 6.4 (Final)
sn        :VMware-56 4d b4 6c 05 e5 20 dc-c6 49 0c e1 e0 18 1c 75
Memory    :1870 MB
cpu_num   :2
ip        :192.168.0.8
vender    :VMware, Inc.
hostname  :vip
cpu_model :Intel(R) i7-4710MQ 2.50GHz