MySQL备份脚本-亲试-ok-（拷贝备份目录到服务端指定目录）

 

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# File Name: mysql_backup.sh                                                                                                           #

# Author: hui                                                                                                                                      #

# mail: unknown                                                                                                                                 #

# Created Time: 2019年 01月 17日 星期四 12:44:03 CST                                                                    #

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#!/bin/bash

source /etc/profile

# 以下配置信息请自己修改

mysql_user="root" #MySQL备份用户

mysql_password="123456" #MySQL备份用户的密码

mysql_host="127.0.0.1"

mysql_port="3309"

mysql_charset="utf8" #MySQL编码

backup_db_arr=("mysql" "sys") #要备份的数据库名称，多个用空格分开隔开 如("db1" "db2" "db3")

backup_location=/mysql_back  #备份数据存放位置，末尾请不要带"/",此项可以保持默认，程序会自动创建文件夹

expire_backup_delete="ON" #是否开启过期备份删除 ON为开启 OFF为关闭

expire_days=3 #过期时间天数 默认为三天，此项只有在expire_backup_delete开启时有效

 

# 本行开始以下不需要修改

backup_time=`date +%Y%m%d%H%M`  #定义备份详细时间

backup_Ymd=`date +%Y-%m-%d` #定义备份目录中的年月日时间

backup_3ago=`date -d '3 days ago' +%Y-%m-%d` #3天之前的日期

backup_dir=$backup_location/$backup_Ymd  #备份文件夹全路径

welcome_msg="Welcome to use MySQL backup tools!" #欢迎语

 

# 判断MYSQL是否启动,mysql没有启动则备份退出

mysql_ps=`ps -ef |grep mysql |wc -l`

mysql_listen=`netstat -an |grep LISTEN |grep $mysql_port|wc -l`

if [ [$mysql_ps == 0] -o [$mysql_listen == 0] ]; then

        echo "ERROR:MySQL is not running! backup stop!"

        exit

else

        echo $welcome_msg

fi

 

mkdir -p /mysql_back/

chown -R mysql:mysql /mysql_back/

 

# 连接到mysql数据库，无法连接则备份退出

mysql -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password <<end

use mysql;

select host,user from user where user='root' and host='localhost';

exit

end

 

flag=`echo $?`

if [ $flag != "0" ]; then

        echo "ERROR:Can't connect mysql server! backup stop!"

        exit

else

        echo "MySQL connect ok! Please wait......"

        # 判断有没有定义备份的数据库，如果定义则开始备份，否则退出备份

        if [ "$backup_db_arr" != "" ];then

                #dbnames=$(cut -d ',' -f1-5 $backup_database)

                #echo "arr is (${backup_db_arr[@]})"

                for dbname in ${backup_db_arr[@]}

                do

                        echo "database $dbname backup start..."

                        `mkdir -p $backup_dir`

`mysqldump -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password $dbname  --set-gtid-purged=off   --default-character-set=$mysql_charset | gzip > $backup_dir/$dbname-$backup_time.sql.gz`

                        flag=`echo $?`

                        if [ $flag == "0" ];then

                                echo "database $dbname success backup to $backup_dir/$dbname-$backup_time.sql.gz"

                        else

                                echo "database $dbname backup fail!"

                        fi

                        

                done

        else

                echo "ERROR:No database to backup! backup stop"

                exit

        fi

        # 如果开启了删除过期备份，则进行删除操作

        if [ "$expire_backup_delete" == "ON" -a  "$backup_location" != "" ];then

                 #`find $backup_location/ -type d -o -type f -ctime +$expire_days -exec rm -rf {} \;`

                 `find $backup_location/ -type d -mtime +$expire_days | xargs rm -rf`

                 echo "Expired backup data delete complete!"

        fi

        echo "All database backup success! Thank you!"

#exit

fi

 

# 连接到Win机器，拷贝备份文件

#mount -t cifs -o username=administrator,password=6720355 //192.168.2.242/MySQL_backup/7.198   /data/win_files/7.198

/usr/bin/mount -t cifs -o username=administrator,password=6720355 //192.168.2.242/mysql-back-198/  /data/win_files/7.198

 

cd     /mysql_back/  && /usr/bin/cp -rp  "${backup_Ymd}"    /data/win_files/7.198/

 

/usr/bin/umount /data/win_files/7.198