MySQL数据库全备

 1 #function：MYSQL自动全备
 2 #version:1.0.0
 3 #author:wangyanlin
 4 #date：2017/08/03
 5 #-----------------------------------------------------------------------------------------------
 6 #!/bin/sh
 7 #创建目录
 8 MAIN=`cd / && mkdir -p mysql_bak`
 9 MAIN1=`mkdir -p /mysql_bak/all_data`
10 LOGS=`mkdir -p /mysql_bak/logs`
11 #指定参数
12 DATE=`date +%Y%m%d%H%M%S`
13 DATE1=`date +%Y%m%d`
14 DB_user=root
15 DB_password=123456
16 #MySQL全备使用mysqldump命令
17 start_time=`date +'%Y-%m-%d %H:%M:%S'`
18 echo "$DATE数据库全备开始......" >> /mysql_bak/logs/Full_Bak_$DATE1.log
19 /usr/bin/mysqldump --all-databases --default-character-set=utf8 --flush-logs -u$DB_user -p$DB_password > /mysql_bak/all_data/Full_Bak_$DATE.sql
20 if [ $? -eq 0 ]
21 then
22     echo "$DATE数据库备份成功......" >> /mysql_bak/logs/Full_Bak_$DATE1.log
23     cd /mysql_bak/all_data/
24     /usr/bin/tar -zcvf Full_Bak_$DATE.sql.tar.gz Full_Bak_$DATE.sql > /dev/null
25     if [ $? -eq 0 ]
26     then
27         echo "$DATE数据库备份打包成功......" >> /mysql_bak/logs/Full_Bak_$DATE1.log
28         /usr/bin/find /mysql_bak/all_data/ -name "Full_Bak_*.*" -mtime +7 -exec rm -rf {} \;
           /usr/bin/find /mysql_bak/logs/ -name "Full_Bak_*.log" -mtime +7 -exec rm -rf {} \;
29     else
30         echo "$DATE数据库备份打包失败......" >> /mysql_bak/logs/Full_Bak_$DATE1.log
31         exit 0
32     fi
33 else
34     echo "$DATE数据库备份失败......" >> /mysql_bak/logs/Full_Bak_$DATE1.log
35     cd /mysql_bak/all_data/
36     rm -rf Full_Bak_$DATE.sql
37     exit 0
38
39 fi
40 end_time=`date +'%Y-%m-%d %H:%M:%S'`
41 start_seconds=$(date --date="$start_time" +%s);
42 end_seconds=$(date --date="$end_time" +%s);
43 echo "本次备份运行时间： "$((end_seconds-start_seconds))"s" >> /mysql_bak/logs/Full_Bak_$DATE1.log

添加计划任务：

crontab -e

00 00 * * 6 /root/MySQL_allbak.sh    #每周六的凌晨00点开始全备

logs日志打印出来的效果：

使用前请将备份的路径自行更改，后期会更新MySQL数据库自动增量备份的脚本代码和手动交互式备份数据库的代码，有问题请指出，新手刚写，大神勿喷！