用python监控Linux，CPU,内存，硬盘

时间：2023-03-09 06:10:58
用python监控Linux，CPU,内存，硬盘 
#!/usr/local/bin/python3.5

#coding:utf-8

import mailll, linecache, re, socket, os, time

hostname = socket.gethostname()

ip = socket.gethostbyname(hostname)

def cpu_status():

    with open("/proc/loadavg", 'rt') as f:

        data = f.read().split()

    if float(data[2]) > 0.7:

        with open("/home/cpustatus.txt", 'wt') as f:

            print("notice : \n        Hostname : %s\n        IP : %s\n\n        The CPU loadavg will overload : %s" % (hostname, ip, data[2]), file = f)

        mailll.send_mail("/home/cpustatus.txt")    

def memory_status():

    theline = linecache.getline(r'/proc/meminfo', 2)

    mem_free_num = "".join(re.findall(r"[0-9]", theline))

    if (int(mem_free_num) / 1000) < 100:

        with open("/home/memory.txt", 'wt') as f:

            print("notice : \n        Hostname : %s\n        IP : %s\n\n        Insufficient free memory : %s" % (hostname, ip, str(int(mem_free_num) / 1000) + "M"), file = f)

        mailll.send_mail("/home/memory.txt") 

def disk_status():

    os.system("df -hT |grep ext4 |awk -F '[ %]+' ' {if($6 >= 70) print $6}' |wc -l > /home/diskstatus.txt")

    diskcount = int(linecache.getline(r'/home/diskstatus.txt', 1))

    if diskcount >= 1 :

        with open("/home/diskstatus.txt", 'wt') as f:

            print("notice : \n        Hostname : %s\n        IP : %s\n" % (hostname, ip), file = f)

        os.system("echo 'Hard disk capacity is insufficient :' >> /home/diskstatus.txt")

        os.system("df -hT |grep 'ext4\|Filesystem' >> /home/diskstatus.txt")

        mailll.send_mail('/home/diskstatus.txt')

try:

    cpu_status()

    time.sleep(2)

    memory_status()

    time.sleep(2)

    disk_status()

except Exception as e:

    print("program is error!!!")

新手，自我感觉就是功能实现了，代码实在不怎么样，但是还是记录下来，希望大家多多指出不足，以后随着学习的深入，希望能做的更好！

END！！！

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