时间:2021-07-01 10:21:17 帮助过:35人阅读
- #!/usr/bin/python
- # -*- coding:utf8 -*-
- # Email:chenwx716@163.com
- __author__ = 'chenwx'
- 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