一、创建一个 shell脚本文件
vim mysqb_ackup.sh
#!/bin/bash
# 以下配置信息请自己修改
mysql_user="root" #MySQL备份用户
mysql_password="*******" #MySQL备份用户的密码
mysql_host="localhost"
mysql_port="3306"
mysql_charset="utf8" #MySQL编码
backup_db_arr=("s_community_hc" "s_community_tt" "test_s_community" "test_tt") #要备份的数据库名称，多个用空格分开隔开 如("db1" "db2" "db3")
backup_location=/data/backup #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=60 #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 $welcome_msg
fi
# 连接到mysql数据库，无法连接则备份退出
mysql -h$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[@]})"
logId=`mysql -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -sN -Dmysql_backup -e "INSERT INTO mysql_backup_log (mysql_host, start_time, host) VALUES ('127.0.0.1', now(), '127.0.0.1');SELECT LAST_INSERT_ID();"`
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 $dbname --default-character-set=$mysql_charset | gzip > $backup_dir/$dbname.sql.gz`
flag=`echo $?`
if [ $flag == "0" ];then
echo "database $dbname success backup to $backup_dir/$dbname.sql.gz"
else
echo "database $dbname backup fail!"
fi
done
files=`ls $backup_dir|awk 'BEGIN{ret=""}{ret=ret","
一、创建一个 shell脚本文件
vim mysqb_ackup.sh
#!/bin/bash
# 以下配置信息请自己修改
mysql_user="root" #MySQL备份用户
mysql_password="*******" #MySQL备份用户的密码
mysql_host="localhost"
mysql_port="3306"
mysql_charset="utf8" #MySQL编码
backup_db_arr=("s_community_hc" "s_community_tt" "test_s_community" "test_tt") #要备份的数据库名称，多个用空格分开隔开 如("db1" "db2" "db3")
backup_location=/data/backup #备份数据存放位置，末尾请不要带"/",此项可以保持默认，程序会自动创建文件夹
expire_backup_delete="ON" #是否开启过期备份删除 ON为开启 OFF为关闭
expire_days=60 #过期时间天数 默认为三天，此项只有在expire_backup_delete开启时有效
# 本行开始以下不需要修改
backup_time=`date +%Y%m%d%H%M` #定义备份详细时间
backup_Ymd=`date +%Y-%m-%d` #定义备份目录中的年月日时间
backup_3ago=`date -d '3 days ago' +%Y-%m-%d` #3天之前的日期
backup_dir=$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 $welcome_msg
fi
# 连接到mysql数据库，无法连接则备份退出
mysql -h$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[@]})"
logId=`mysql -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -sN -Dmysql_backup -e "INSERT INTO mysql_backup_log (mysql_host, start_time, host) VALUES ('127.0.0.1', now(), '127.0.0.1');SELECT LAST_INSERT_ID();"`
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 $dbname --default-character-set=$mysql_charset | gzip > $backup_dir/$dbname.sql.gz`
flag=`echo $?`
if [ $flag == "0" ];then
echo "database $dbname success backup to $backup_dir/$dbname.sql.gz"
else
echo "database $dbname backup fail!"
fi
done
files=`ls $backup_dir|awk 'BEGIN{ret=""}{ret=ret","$0}END{print substr(ret,2)}'`
mysql -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -sN -Dmysql_backup -e "update mysql_backup_log set end_time=now(),note='${files}' where id=$logId"
else
echo "ERROR:No database to backup! backup stop"
exit
fi
# 如果开启了删除过期备份，则进行删除操作
if [ "$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
二、 定时任务
}END{print substr(ret,2)}'`
mysql -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password -sN -Dmysql_backup -e "update mysql_backup_log set end_time=now(),note='${files}' where id=$logId"
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
二、 定时任务
一、创建一个 shell脚本文件
vim mysqb_ackup.sh
#!/bin/bash
#设置每天凌晨3:00定时自动备份
crontab -e 00 03 * * * /root/mysql_backup.sh 三、创建备份记录库和记录表 create database mysql_backup CREATE TABLE `mysql_backup_log` ( `id` bigint(20) NOT NULL AUTO_INCREMENT, `mysql_host` varchar(30) NOT NULL, `start_time` datetime DEFAULT NULL, `end_time` datetime DEFAULT NULL, `host` varchar(30) DEFAULT NULL, `note` varchar(255) DEFAULT NULL, PRIMARY KEY (`id`) ) ;
