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103 lines
4.5 KiB
103 lines
4.5 KiB
#!/bin/bash
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#Script:automysqlbackup.sh
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#Version:Beta 1.0
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#author:www.weibo.com/100306117
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#date:2013-06-15
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#以下配置信息请自己修改
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mysql_user="root" #MySQL备份用户
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mysql_password="" #MySQL备份用户的密码
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mysql_host="localhost" #要备份的主机，一般为localhost
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mysql_port="3306" #MySQL端口号，一般为3306
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backup_db_arr=("db1" "db2") #要备份的数据库名称，多个用空格分开隔开 如("db1" "db2" "db3")
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backup_location=/www/embk #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
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expire_backup_delete="ON" #是否开启过期备份删除 ON为开启 OFF为关闭
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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
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#以下配置请保持默认不要修改
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backup_time=`date +%Y%m%d%H%M` #定义备份详细时间
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backup_cache_dir=$backup_location/cache #备份缓存文件夹全路径
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backup_data_dir=$backup_location/data #备份文件夹全路径
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backup_data_filename=$backup_data_dir/$backup_time.sql.tar.gz #备份文件的名称 包括路径
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backup_log_dir=$backup_location/log #备份日志文件夹全路径
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backup_log_mailcontent=$backup_log_dir/mailcontent.log #邮件内容缓存文件全路径
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welcome_msg="Welcome to use auto MySQL backup tools!" #欢迎语
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#写入欢迎信息
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`mkdir -p $backup_log_dir`
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`echo $welcome_msg > $backup_log_mailcontent`
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#判断MYSQL是否启动,mysql没有启动则备份退出
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mysql_ps=`ps -ef | grep mysql | wc -l`
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mysql_listen=`netstat -an | grep LISTEN | grep $mysql_port | wc -l`
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if [ [$mysql_ps == 0] -o [$mysql_listen == 0] ]; then
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`echo "ERROR:MySQL is not running! backup stop!" >> $backup_log_mailcontent`
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`mutt $adminmail -s "$subject_msg_error" < $backup_log_mailcontent`
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exit
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fi
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#连接到mysql数据库，无法连接则备份退出
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# mysql -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password <<end
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# use mysql;
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# select host,user from user where user='root' and host='localhost';
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# exit
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# end
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flag=`echo $?`
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if [ $flag != "0" ]; then
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`echo "ERROR:Can't connect mysql server! backup stop!" >> $backup_log_mailcontent`
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`mutt $adminmail -s "$subject_msg_error" < $backup_log_mailcontent`
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exit
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else
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#判断有没有定义备份的数据库，如果定义则开始备份，否则退出备份
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if [ "$backup_db_arr" != "" ];then
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#dbnames=$(cut -d ',' -f1-5 $backup_database)
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#echo "arr is (${backup_db_arr[@]})"
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for dbname in ${backup_db_arr[@]}
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do
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`mkdir -p $backup_cache_dir`
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# 排除库中的平台币
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prefix="data_"
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dbtalbes=$(mysql -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -D $dbname -e "SHOW TABLES LIKE '$prefix%';" | tail -n +2)
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for dt in $dbtalbes; do
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ignoretbs+=("--ignore-table=$dbname.$dt")
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done
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# 排除平台币的操作
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`mysqldump -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password $dbname ${ignoretbs[@]} "--ignore-table=$dbname.failed_jobs" > $backup_cache_dir/$dbname$backup_time.sql`
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# 原来的操作
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#`mysqldump -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password $dbname > $backup_cache_dir/$dbname$backup_time.sql`
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flag=`echo $?`
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if [ $flag != "0" ];then
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`echo "database $dbname backup fail!" >> $backup_log_mailcontent`
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fi
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done
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else
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`echo "ERROR:No database to backup! backup stop" >> $backup_log_mailcontent`
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# `mutt $adminmail -s "$subject_msg_error" < $backup_log_mailcontent`
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exit
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fi
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#如果开启了删除过期备份，则进行删除操作
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backup_data_num=`ls $backup_data_dir | wc -l`
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if [ "$expire_backup_delete" == "ON" -a $backup_data_num!=0 ];then
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`find $backup_data_dir -type f -ctime +$expire_days -exec rm -rf {} \;`
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fi
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#缓存备份目录打包放到数据备份目录 删除缓存备份目录
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backup_cache_num=`ls $backup_cache_dir | wc -l`
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if [ $backup_cache_num!=0 ];then
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`mkdir -p $backup_data_dir`
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`tar zcPf $backup_data_filename $backup_cache_dir/`
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`rm -rf $backup_cache_dir`
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else
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`echo "All database backup fail!" >> $backup_log_mailcontent`
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# `mutt $adminmail -s "$subject_msg_error" < $backup_log_mailcontent`
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exit
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fi
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`echo "All database backup success! Thank you!" >> $backup_log_mailcontent`
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/www/mtool -f $backup_data_filename -c /www/mail.conf
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exit
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fi
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