标签:当前时间 time show use 定义 connect project ike mod
#!/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
标签:当前时间 time show use 定义 connect project ike mod
原文地址:https://www.cnblogs.com/manger/p/13531107.html