python 检测nginx服务邮件报警的脚本

$ cat checkserver.py
#!/usr/bin/python
# -*- coding: utf-8 -*-
 
import os
import socket
import smtplib
from email.mime.text import MIMEText
from email.header import Header
 
mail_host = "smtp.exmail.qq.com"
mail_user = "[e-mail]"
mail_pass = "yNE8dcsx"
 
sender = '[e-mail]'
receivers = ['[e-mail]']
 
def Checkserverdown():
    #三个参数：第一个为文本内容，第二个 plain 设置文本格式，第三个 utf-8 设置编码
    message = MIMEText('192.168.71.200 nginx is down','plain','utf-8')
    message['From'] = Header("Nginx is down ", 'utf-8') # 发送者
    message['To'] = Header("李鑫亮", 'utf-8')   # 接收者
    subject = '192.168.71.200 nginx is down'
    message['Subject'] = Header(subject,'utf-8')
    try:
        smtpobj = smtplib.SMTP()
        smtpobj.connect(mail_host,25)
        smtpobj.login(mail_user,mail_pass)
        smtpobj.sendmail(sender,receivers,message.as_string())
        print("邮件发送成功")
    except smtplib.SMTPException:
        print("Error: 无法发送邮件")
 
def Checkserverstilldown():
    #三个参数：第一个为文本内容，第二个 plain 设置文本格式，第三个 utf-8 设置编码
    message = MIMEText('192.168.71.200 nginx is still down','plain','utf-8')
    message['From'] = Header("Nginx is still down ", 'utf-8') # 发送者
    message['To'] = Header("李鑫亮", 'utf-8')   # 接收者
    subject = '192.168.71.200 nginx is still down'
    message['Subject'] = Header(subject,'utf-8')
    try:
        smtpobj = smtplib.SMTP()
        smtpobj.connect(mail_host,25)
        smtpobj.login(mail_user,mail_pass)
        smtpobj.sendmail(sender,receivers,message.as_string())
        print("邮件发送成功")
    except smtplib.SMTPException:
        print("Error: 无法发送邮件")
 
def Checkserverup():
    #三个参数：第一个为文本内容，第二个 plain 设置文本格式，第三个 utf-8 设置编码
    message = MIMEText('192.168.71.200 nginx is  up','plain','utf-8')
    message['From'] = Header("Nginx is up ", 'utf-8') # 发送者
    message['To'] = Header("李鑫亮", 'utf-8')   # 接收者
    subject = '192.168.71.200 nginx is up'
    message['Subject'] = Header(subject,'utf-8')
    try:
        smtpobj = smtplib.SMTP()
        smtpobj.connect(mail_host,25)
        smtpobj.login(mail_user,mail_pass)
        smtpobj.sendmail(sender,receivers,message.as_string())
        print("邮件发送成功")
    except smtplib.SMTPException:
        print("Error: 无法发送邮件")
 
 
# 判断 nginx 进程输出内容来确定是否要进行进程启动
file = "/tmp/nginx.txt"
os.system("""ps -ef  |grep nginx  |grep -Ev "grep|vim" > %s""" % file)
 
print (os.path.getsize(file))
if os.path.getsize(file) == 0:
        Checkserverdown()
        os.system("/usr/sbin/nginx")
        print (os.path.getsize(file))
        os.system("""ps -ef  |grep nginx  |grep -Ev "grep|vim" > %s""" % file)
        if os.path.getsize(file) == 0:
                Checkserverstilldown()
                os.system("/usr/sbin/nginx")
        else:
                Checkserverup()

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