MySQL按天备份二进制日志

#!/usr/bin/env python # -*- coding:utf-8 -*- # Author:guozhen.zhang   import MySQLdb import time import os   # 创建备份binlog目录 project_path = ‘/data/binlog_back‘  # 定义备份日志的目录 binlog_file = "/data/binlog_back/binlog_file"  # 定义获取日志的存放文件 last_binlog_file = "/data/binlog_back/last_binlog_file"  # 获取binlog日志的最后一个日志文件 dir_time = time.strftime(‘%Y%m%d-%H%M‘, time.localtime(time.time()))  # 返回当前时间的年月日作为目录名称 isExists = os.path.exists(project_path + ‘/‘ + dir_time)  # 判断该目录是否存在 if not isExists:     os.makedirs(project_path + ‘/‘ + dir_time)     print(project_path + ‘/‘ + dir_time + "目录创建成功")     # 定义执行备份脚本 def back_binlog():     # 建立MySQL连接     conn = MySQLdb.connect(host=‘192.168.1.20‘, port=3306, user=‘root‘, passwd=‘123a456b‘)       # 刷新master的二进制日志     cursor = conn.cursor()     cursor.execute("flush logs;")       # 获取binlog的存放路径     cursor1 = conn.cursor()     cursor1.execute("show variables like  ‘log_bin_basename‘")     row1 = cursor1.fetchone()[1]       # 获取masterbinlog日志的最后一个日志文件     cmd = ‘ls %s* |grep -v index|tail -1 > %s‘ % (row1, last_binlog_file)     os.popen(cmd).read()       # 获取master前一天的二进制日志       cmd = ‘find %s*  -mtime 0    -exec ls {} \;|grep -v  `cat %s` |grep -v index> %s‘ % (         row1, last_binlog_file, binlog_file)     os.popen(cmd)       f = open(binlog_file, mode="r")     lines = f.readlines()     for line in lines:         fname = line.strip()         cmd = ‘cp ‘ + fname + ‘ ‘ + (project_path + ‘/‘ + dir_time)         os.system(cmd)     f.close()       # 关闭数据库连接     conn.close()     # 备份二进制文件存在就执行备份，否则退出 if os.path.exists(binlog_file):     back_binlog()     print("backup success!") else:     print("binlog file not found")     exit()  

MySQL按天备份二进制日志

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