python数据变更邮件提醒_Python实现报警信息实时发送至邮箱功能(实例代码)

Python实现报警信息实时发送至邮箱功能，具体内容如下所示：

程序设计

实现代码

cpu.py

# -*- coding: utf-8 -*-

import psutil

import time

from emailsender import txtMail

from log import myloggers

import gc

class mycpumonitor():

# up是cpu监控的阈值，默认是90%

def __init__(self, up=None):

self.up = 90 if up is None else up

def cpu_monitor(self):

cpu_percent = psutil.cpu_percent()

now = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())

if cpu_percent > self.up:

filename = 'cpu.txt'

with open(filename, 'w') as f: # 如果filename不存在会自动创建， 'w'表示写数据，写之前会清空文件中的原有数据！

f.write(str(now) + "CPU使用率超过" + str(self.up) + "!!!!.n")

f.write(str(now) + "当前CPU使用率" + str(cpu_percent) + "!!!n")

mail = txtMail()

try:

mail.txt_send_mail(filename="test.config", alarm=filename)

temp_msg = "CPU超标，当前CPU使用率：" + str(cpu_percent)

logger1 = myloggers(temp_msg)

logger1.maillogging()

del mail

gc.collect()

except:

print("文本文件格式不正确")

mem.py

# -*- coding: utf-8 -*-

import psutil

import time

from emailsender import txtMail

from log import myloggers

import gc

class mymemmonitor():

# up是内存监控的阈值，默认是90%

def __init__(self, up=None):

self.up = 90 if up is None else up

def mem_monitor(self):

mem_percent = psutil.virtual_memory()[2]

now = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())

if mem_percent > self.up:

filename = 'mem.txt'

with open(filename, 'w') as f: # 如果filename不存在会自动创建， 'w'表示写数据，写之前会清空文件中的原有数据！

f.write(str(now) + "内存使用率超过" + str(self.up) + "!!!!.n")

f.write(str(now) + "当前内存使用率" + str(mem_percent) + "!!!n")

mail = txtMail()

try:

mail.txt_send_mail(filename="test.config", alarm=filename)

temp_msg = "内存超标，当前内存使用率：" + str(mem_percent)

logger1 = myloggers(temp_msg)

logger1.maillogging()

del mail

gc.collect()

except:

print("文本文件格式不正确")

watchpc.py

# -*- coding: utf-8 -*-

# Author: WuYang

# Date-modified: 07Nov2019

# Function: send alarm data through SMTP protocol

# Architecture: cpu.py, mem.py, etc. is to monitor performance of server

# Lang: Python3.7

# Env: CentOS7/WindowServer 2012R2

import time

from cpu import mycpumonitor

from mem import mymemmonitor

import gc

if __name__ == "__main__":

while True:

memObj = mymemmonitor(50)

memObj.mem_monitor()

cpuObj = mycpumonitor(10)

cpuObj.cpu_monitor()

del memObj

gc.collect()

time.sleep(10)

emailsender.py

#-*- coding: utf-8 -*-

import smtplib

import chardet

import codecs

import os

from email.mime.text import MIMEText

from email.header import Header

from email.mime.multipart import MIMEMultipart

# 第三方SMTP服务

class txtMail(object):

def __init__(self, host=None, auth_user=None, auth_password=None):

self.host = "smtp.163.com" if host is None else host # 设置发送邮件服务使用专用报警账户的用户名

self.auth_user = "xxxxxx@163.com" if auth_user is None else auth_user # 上线时使用专用报警账户的用户名

self.auth_password = (

"xxxxxxxx" if auth_password is None else auth_password

) # 上线时使用专用报警账户的密码

self.sender = "xxxxxxxx@163.com"

def send_mail(self, subject, msg_str, recipient_list, attachment_list=None):

message = MIMEMultipart()

message["From"] = self.sender

message["To"] = Header(";".join(recipient_list), "utf-8")

message["Subject"] = Header(subject, "utf-8")

message.attach(MIMEText(msg_str, "plain", "utf-8"))

# 如果有附件，则添加附件

if attachment_list:

for att in attachment_list:

attachment = MIMEText(open(att, "rb").read(), "base64", "utf-8")

attachment["Content-Type"] = "application/octet-stream"

# 这里filename可以任意写，写什么名字，邮件中显示什么名字

filename = os.path.basename(att)

attachment.add_header(

"Content-Disposition",

"attachment",

filename=("utf-8", "", filename),

)

message.attach(attachment)

smtpObj = smtplib.SMTP_SSL(self.host)

smtpObj.connect(self.host, smtplib.SMTP_SSL_PORT)

smtpObj.login(self.auth_user, self.auth_password)

smtpObj.sendmail(self.sender, recipient_list, message.as_string())

smtpObj.quit()

print("邮件发送成功")

print(attachment_list)

def guess_chardet(self, filename):

"""

:param filename: 传入一个文本文件

:return: 返回文本文件的编码格式

"""

encoding = None

try:

# 由于本需求所解析的文本文件都不大，可以一次性读入内存

# 如果是大文件，则读取固定字节数

raw = open(filename, "rb").read()

if raw.startswith(codecs.BOM_UTF8): # 处理UTF-8 with BOM

encoding = "utf-8-sig"

else:

result = chardet.detect(raw)

encoding = result["encoding"]

except:

pass

return encoding

def txt_send_mail(self, filename, alarm):

"""

:param filename:

:return:

将指定格式的txt文件发送至邮箱，txt文件样例如下

# 收件人，逗号分隔

# 附件，逗号分隔

"""

with open(filename, encoding=self.guess_chardet(filename)) as f:

lines = f.readlines()

recipient_list = lines[0].strip().split(",")

attachment_list = []

for file in lines[-1].strip().split(","):

if os.path.isfile(file):

attachment_list.append(file)

# 如果没有附件，则为None

if attachment_list == []:

attachment_list = None

with open(alarm, encoding=self.guess_chardet(alarm)) as f1:

lines1 = f1.readlines()

subject = lines1[0].strip()

msg_str = "".join(lines1[1:])

self.send_mail(

subject=subject,

msg_str=msg_str,

recipient_list=recipient_list,

attachment_list=attachment_list,

)

test.config

XXXXX@qq.com,XXXXX@163.com

libvirt.log,qemu.log

注意事项

需进入邮箱设置，开启POP3/SMTP/IMAP。

总结

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