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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