因为开发针对某系统做稳定性建设,需要对数据库系统的慢日志进行审计,检查优化。和开发沟通选择定期发送慢查询到开发的邮箱的方式,每日汇总,然后一起评估 优化slow query 。
工具实现
mail.py 脚本
代码如下 | 复制代码 |
#!/usr/bin/env python # -*- coding: utf-8 -*- # mail.py import os.path import time import sys import os import json import string import random import smtplib import time from datetime import date from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText from email.mime.image import MIMEImage from email.Header import Header from email.MIMEText import MIMEText from email.MIMEMultipart import MIMEMultipart mail_user="xxx@xxxx.com"; mail_pass="xxxxx"; mail_smtp_server="smtp.xxxxx.com"; mail_smtp_port= 25 def sendMail(contents,subject,attach,mail_to): lTime=str(time.strftime('%Y%m%d_%H',time.localtime(time.time()))) msg = MIMEMultipart('related'); if subject=="": subject='test'; msg['Subject'] = subject+" Time:"+ lTime; msg['From'] = mail_user; msg['To'] = ";".join(mail_to) ; html=""; for cont in contents: html = html+cont[0]; msgHtml = MIMEMultipart('alternative'); msgHtml.set_charset('UTF-8'); msgAtt = MIMEText(open(attach,'rb').read(),'base','gbk'); msgAtt["Content-Type"] = 'application/octet-stream' msgAtt["Content-Disposition"] = 'attachment; filename="'+subject+'"' msg.attach(msgAtt); try: smtp = smtplib.SMTP(); smtp.connect(mail_smtp_server,mail_smtp_port) smtp.login(mail_user,mail_pass); smtp.sendmail(mail_user,mail_to,msg.as_string()); smtp.close(); except Exception,e: print str(e) sendSlowlog.py #!/usr/bin/env python # -*- coding: utf-8 -*- import mail ##使用了上述脚本 import sys import time import os import datetime from datetime import date from os.path import join, getsize def sendSlowlog(subject_info,attach,mail_to): size = os.path.getsize(attach) if(size > 1): mail.sendMail("",subject_info,attach,mail_to) if __name__ == '__main__': mail_to=["qilong.yangql@xxxx.com"] lDate=str(time.strftime('%Y%m%d',time.localtime(time.time()))) lTime=str(time.strftime('%Y%m%d_%H',time.localtime(time.time()))) subject_info="Slowlog of DBname" + lTime attach="/u01/my3306/log/slow_"+ lDate +"/slow.log."+lTime sendSlowlog(subject_info,attach,mail_to) |
注:本系统已经每小时将slow log 进行分割,关于如何切割,各位可以思考一下。