依賴于 paramiko 模塊，python2 ,測試環境是在 rhel5，初學python，請大家指教；

#!/usr/bin/python

# -*- coding:utf8 -*-

import paramiko

import re

from time import sleep

linux_info=(

['ssoweb12','192.168.5.32'],

['ssoweb17','192.168.5.37'],

['ssoweb18','192.168.5.38']

)

def cpu_r(cpu_stat):

sys_cpu_info_t = re.findall(r'cpu .*\\d',cpu_stat)

z_str = ' '.join(sys_cpu_info_t)

z_list = list(z_str.split())

z_list.remove("cpu")

f_line_a=[]

for i in z_list:

i=int(i)

f_line_a.append(i)

total = sum(f_line_a)

idle = f_line_a[3]

return total,idle

server_user='root'

server_pw='passw0rd'

server_info={}

for i in linux_info:

server_id=i[0]

server_ip=i[1]

ss = paramiko.SSHClient()

ss.set_missing_host_key_policy(paramiko.AutoAddPolicy())

ss.connect(server_ip,22,server_user,server_pw)

stdin,stdout,stderr=ss.exec_command('cat /proc/stat')

sys_cpu_stat = stdout.read()

total_a,idle_a=cpu_r(sys_cpu_stat)

sleep(3)

stdin,stdout,stderr=ss.exec_command('cat /proc/stat')

sys_cpu_stat = stdout.read()

total_b,idle_b=cpu_r(sys_cpu_stat)

ss.close()

sys_idle = idle_b - idle_a

sys_total = total_b - total_a

sys_us = sys_total - sys_idle

cpu_a = (float(sys_us)/sys_total)*100

cpu_b = str(round(cpu_a,2))+'%'

server_info_list=[server_id,server_ip,cpu_b]

server_info[server_id]=server_info_list

print server_info

總結

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