mysq數據庫備份

conf.py

#!/usr/bin/env python

conn_dict = dict(host='127.0.0.1', user='root', passwd='12345', 
db='08day05', port=33061)
contact_user = dict(address='smtp.163.com', sender='[email protected]', 
password='passwd')
note_user = ('[email protected]',)
backup_path = "D:/mysq_dump/"

mysql_dump.py

#!/usr/bin/env python
#_*_ coding:utf-8 _*_
#!/usr/bin/env python
#_*_ coding:utf-8 _*_
#Backup with mysqldump everyday
#Backup Mysql can use on windows or linux
#But TAR Fuction can only use on linux because command different between windows and linux
import time
import datetime
import os
import conf
import smtplib
from email.mime.text import MIMEText

# 返回任意一天


class Day(object):
    # 申明一個靜態方法，可以實例化使用，也可以不實例化使用。
    @staticmethod
    def any_day(add_days):
        today = datetime.date.today()  # 2020-05-24
        # 得到add_days天前的時間
        utl_add_day = str(today - datetime.timedelta(days=int(add_days)))
        return utl_add_day


class MysqlBackup(object):
    def __init__(self, **kargs):
        self.__host = kargs['host']
        self.__dbname = kargs['db']
        self.__username = kargs['user']
        self.__password = kargs['passwd']
        self.__port = kargs['port']

# mysqldump備份數據庫 加--single-transaction 是爲了避免鎖表
    def BakData(self,backup_file):
        cmd_bak = 'mysqldump -u '+self.__username+' -p'+self.__password+' -h'+self.__host +' '+self.__dbname+' --single-transaction '+' > '+backup_file
        outp = os.system(cmd_bak)
        return cmd_bak, outp

# Linux下用tar打包壓縮備份文件
    def TarData(self, date):
        cmd_tar = 'tar zcf '+conf.backup_path+self.__dbname+'_'+date+'.tar.gz '+'-C '+conf.backup_path+' '+self.__dbname+ '_'+date+'.dump >> /dev/null 2>&1'
        outp = os.system(cmd_tar)
        return cmd_tar, outp

    @property
    def dbname(self):
        return self.__dbname


class sendmail():
    def __init__(self, *args, **kargs):
        self.SMTPserver = kargs['address']
        self.sender = kargs['sender']
        self.password = kargs['password']
        self.destination = args[0]

# 登錄郵箱發送郵件
    def send(self, message):
        msg = MIMEText(message, _charset='utf-8')
        msg['Subject'] = 'Mysql Backup Failed'
        msg['From'] = self.sender
        msg['To'] = self.destination
        mailserver = smtplib.SMTP(self.SMTPserver, 25)
        mailserver.login(self.sender, self.password)
        mailserver.sendmail(self.sender, [self.destination], msg.as_string())
        mailserver.quit()
        print('send email success')


# 主函數起始
def main():
    DATA_DATE = Day.any_day(1)
    #發件人和收件人地址
    MAIL_USER_ADDRESS = sendmail(*conf.note_user, **conf.contact_user)
    #初始化需要備份的數據庫類
    DB_BAK_INFO = MysqlBackup(**conf.conn_dict)
    backup_file = conf.backup_path+DB_BAK_INFO.dbname+'_'+DATA_DATE+'.dump'
    print(backup_file)
    log_file = conf.backup_path+DB_BAK_INFO.dbname+'.log'
    #MAIL_USER_ADDRESS.send('I send a message by Python. 你好')

    #保存日誌
    with open(log_file, 'a') as f:
        f.write('\n\n ***********************\n')
        f.write(' * '+time.strftime("%Y-%m-%d %H:%M:%S",time.localtime())+' *\n')
        f.write(' ***********************\n')
        #不存在dump備份文件才備份
        if os.path.isfile(backup_file) is False:
            #備份
            cmd_result = DB_BAK_INFO.BakData(backup_file)
            print(cmd_result)
            f.write('** COMMAND     :'+cmd_result[0]+'\n')
            f.write('** DATABASE    : '+DB_BAK_INFO.dbname+'\n')
            f.write('** DATA_DATE   : '+DATA_DATE+'\n')
            f.write('** RESULT(BAK) : '+('succeed\n' if cmd_result[1] == 0 else 'failed\n'))
            #備份成功打包
            if cmd_result[1] == 0:
                #打包
                tar_result = DB_BAK_INFO.TarData(DATA_DATE)
                f.write('** COMMAND     :'+tar_result[0]+'\n')
                f.write('** RESULT(TAR) : '+('succeed' if tar_result[1] == 0 else 'failed'))
                #打包成功刪除備份文件
                if tar_result[1] == 0:
                    os.remove(backup_file)
                else:
                    MAIL_USER_ADDRESS.send('Mysql備份打包失敗，請覈查！')
            else:
                MAIL_USER_ADDRESS.send('Mysql數據庫備份失敗，請覈查！')
        else:
            f.write('** RESULT(BAK) : ' +'%s is already exists\n' %backup_file)


# 程序入口
if __name__ == '__main__':
    main()
#bakimeeting.bakData('backup_file')