Python脚本获取Linux系统信息

# -*- coding:utf-8 -*-
import os
import subprocess
import re
import hashlib
#对字典取子集
def sub_dict(form_dict, sub_keys, default=None):
return dict([(k, form_dict.get(k.strip(), default)) for k in sub_keys.split(',')])
#读取cpuinfo信息
# dmidecode -t 4
def read_cpuinfo():
cpu_stat = []
with open('/proc/cpuinfo', 'r') as f:
data = f.read()
for line in data.split('\n\n'):
cpu_stat.append(line)
return cpu_stat[-2]
#读取fdisk信息
def read_fdisk():
p = subprocess.Popen('fdisk -l', stdout=subprocess.PIPE, shell=True)
out = p.communicate()[0]
info = []
for i in out.split('\n\n'):
for x in i.splitlines():
if x:
info.append(x)
return info
#读取dmidecode信息
def read_dmidecode():
p = subprocess.Popen('dmidecode -t 1', stdout=subprocess.PIPE, shell=True)
return p.communicate()[0]
#读取ifconfig信息
def read_ifconfig():
p = subprocess.Popen('ifconfig', stdout=subprocess.PIPE, shell=True)
return p.communicate()[0]
#返回cpu信息：CPU型号、颗数、核数
def get_cpuinfo(data):
cpu_info = {}
for i in data.splitlines():
k, v = [x.strip() for x in i.split(':')]
cpu_info[k] = v

cpu_info['physical id'] = str(int(cpu_info.get('physical id')) + 1)
return sub_dict(cpu_info, 'model name,physical id,cpu cores')
#返回每块硬盘大小
def get_diskinfo(data):
disk_info = {}
m_disk = re.compile(r'^Disk\s/dev')

for i in data:
if m_disk.match(i):
i = i.split(',')[0]
k, v = [x for x in i.split(':')]
disk_info[k] = v
return disk_info
#返回硬件信息：品牌、型号
def get_dmiinfo(data):
dmi_info = {}
line_in = False
for line in data.splitlines():
if line.startswith('System Information'):
line_in = True
continue
if line.startswith('\t') and line_in:
k, v = [i.strip() for i in line.split(':')]
dmi_info[k] = v
else:
line_in = False
return sub_dict(dmi_info, 'Manufacturer,Product Name,Serial Number')
#返回网卡及ip信息：网卡、IP址、MAC地址
def get_ipinfo(data):
data = (i for i in data.split('\n\n') if i and not i.startswith('lo'))
ip_info = []
ifname = re.compile(r'(eth[\d:]*|wlan[\d:]*)')
ipaddr = re.compile(r'(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9]{1,2})(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9]{1,2})){3}')
macaddr = re.compile(r'[A-F0-9a-f:]{17}')
for i in data:
x = {}
if ifname.match(i):
device = ifname.match(i).group()
x['Adapter'] = device
if macaddr.search(i):
mac = macaddr.search(i).group()
x['MAC'] = mac
if ipaddr.search(i):
ip = ipaddr.search(i).group()
x['IP'] = ip
else:
x['IP'] = None
ip_info.append(x)
return ip_info
#返回内存及swap大小
def get_meminfo():
mem_info = {}
with open('/proc/meminfo', 'r') as f:
data = f.readlines()
for i in data:
k, v = [x.strip() for x in i.split(':')]
mem_info[k] = int(v.split()[0])
return sub_dict(mem_info, 'MemTotal,SwapTotal')
#返回操作信息
def get_osinfo():
os_info = {}
i = os.uname()
os_info['os_type'] = i[0]
os_info['node_name'] = i[1]
os_info['kernel'] = i[2]
return os_info
#唯一标识符
def get_indentity(data):
match_serial = re.compile(r"Serial Number: .*", re.DOTALL)
match_uuid = re.compile(r"UUID: .*", re.DOTALL)
if match_serial.search(data):
serial = match_serial.search(data).group()
if match_uuid.search(data):
uuid = match_uuid.search(data).group()
if serial:
serial_md5 = hashlib.md5(serial).hexdigest()
return serial_md5
elif uuid:
uuid_md5 = hashlib.md5(uuid).hexdigest()
return uuid_md5
if __name__ == "__main__":
ipinfo = get_ipinfo(read_ifconfig())
dmiinfo = get_dmiinfo(read_dmidecode())
cpuinfo = get_cpuinfo(read_cpuinfo())
diskinfo = get_diskinfo(read_fdisk())
meminfo = get_meminfo()
osinfo = get_osinfo()
identity = get_indentity(read_dmidecode())

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Python脚本获取Linux系统信息

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