python监控服务器

import paramiko
import threading
import re
import time
import string
from sendmail import send_mail
def ssh2(ip,username,passwd,cmd):

    try:

        ssh = paramiko.SSHClient()

        ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

        ssh.connect(ip,2222,username,passwd,timeout=5)

        for m in cmd:

            stdin, stdout, stderr = ssh.exec_command(m)

#           stdin.write("Y")   #简单交互，输入 ‘Y’

            out = stdout.readlines()

            #屏幕输出

            for o in out:
                 # time.sleep(10)
                 # print(o),
                 # p = re.compile(r'\d+%')
                 zf = re.findall(r'(.+%)',o)
                 # print(re.findall(r'(.+%)',o))
                 # print("".join(zf))
                 qc = re.findall(r'\d+',"".join(zf))
                 # print(qc[-1:])
                 # print(len(qc[-1:]))
                 number = map(int,qc[-1:])
                 for x in number:
                     # print(type(x))
                     print(x)
                     if x > 30:
                         mailto_list = ['2220781951@qq.com']
                         send_mail(mailto_list, ip, "ip'disk:%d" % x)
                 # print(type(numbers))
                 # a = qc[-3:]
                 # b = re.findall(r'\d',a)
                 # c = "".join(b)
                 # print(len(c))
                 # print(type(c))

                 # zhzf = p.findall(o)
                 # print(zhzf.group())
                 # zf = ','.join(zhzf)
                 # print(zf)
                 # zfint = zf.strip().lstrip().rstrip('%')
                 # print(zfint)
                 # print(type(zfint))
                 # shuzf = int(zfint)
                 # print(type(shuzf))
                 # p = re.compile(r'(\d+)%')
                 # print(p.findall(o))
                 # print(type(w))
                 # newint = int(w[0].strip("%")) / 100
                 # print(newint)


        print('%s\tOK\n'%(ip))

        ssh.close()

    except :

        print('%s\tError\n'%(ip))





if __name__=='__main__':
    cmd = ['df -h']#你要执行的命令列表
    username = "root"  #用户名
    passwd = "123456"    #密码
    threads = []   #多线程
    print("Begin......")
    for i in (50,55,56,128,152):
        ip = '192.168.6.'+str(i)
        a=threading.Thread(target=ssh2,args=(ip,username,passwd,cmd))
        a.start()
    for i in (95,):
        ip = '192.168.1.'+str(i)
        a=threading.Thread(target=ssh2,args=(ip,username,passwd,cmd))
        a.start()
结果：

 

测试的时候一堆。修改一下可以用了！！！！