[Shell] Crond 데몬을 이용한 MySQL 모든 DB 자동 백업

[Shell] Crond 데몬을 이용한 MySQL 모든 DB 자동 백업

원본 : http://www.linuxchannel.net/docs/mysqldump.cron.txt

#!/bin/sh 
# 
# 
## Chilbong, Kim <san2 at linuxchannel.net> 
## 2001.03.01(1) 
## 2001.03.03(2) 
## 
## [url]http://www.linuxchannel.net[/url] 
## 
## 
## This SHELL script : $EACH DB dump to $EACH.sql. 
## 
################################################### 
## 
## This file name : "mysqldump.cron" 
## cp mysqldump.cron /etc/cron.daily/ 
## chmod 700 /etc/cron.daily/mysqldump.cron 
## 
################################################### 
## user setting 
## 
## 
mysql_host="localhost" 
mysql_rootpasswd="xxxxxxx" 
backupdir="/var/backup" 
mysql_backupdir="${backupdir}/mysqldump" 
mysql_dump="/usr/local/mysql/bin/mysqldump" 
mysql_show="/usr/local/mysql/bin/mysqlshow" 
## 
## Are you compress 'xxxx-2001xxxx-xx.sql' ? 
##     1 = yes(xxxx-2001xxxx-xx.sql.gz) 
##     0 = no 
db_compress="1" 
## 
## not include DB list ? 
not_dump_db="test|test2" 
## 
## end user setting !!! 
#################################################### 

sysdtime=`date +%Y%m%d-%H` 
mysql_connect="-h $mysql_host -u root -p$mysql_rootpasswd" 
mysql_DBs=`$mysql_show $mysql_connect | egrep -v "(${not_dump_db} 
|Databases|+)" | awk '{print $2}' 2>/dev/null` 

mysql_dump_work() { 
        mysql_each_DB="$1" 
        mysql_dump_file="${mysql_backupdir}/${mysql_each_DB}- 
${sysdtime}.sql" 
        $mysql_dump $mysql_connect $mysql_each_DB > $mysql_dump_file 
        if [ "$db_compress" = "1" ] ; then 
                gzip -9 $mysql_dump_file 
        fi 
} 

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

        if [ ! -d "$mysql_backupdir" ] ; then 
                mkdir -p "$mysql_backupdir" 
                chmod 700 "$mysql_backupdir" 
        fi 

        ## All DB dump to one file(.sql) !!!! 
        ## Verbal advice --> LSN tip board : 'lubzzon' 
        ## --all-databases > all_db.sql 
        ## 
        for mysql_DB in $mysql_DBs ; do 
                mysql_dump_work $mysql_DB 
        done 

        #chmod 600 $mysql_backupdir 
        #chown root mysql_backupdir 

fi 

exit 0