Daily backup historized of mysql databases and www dirs

backup.sh

#!/bin/bash

# DECLARATIONS VARIABLES
mysqldbs=(db1 db2 db3)
wwwdirs=(dir1 dir2 dir3)
nbjours=30
jourtodelete=$((nbjours+1))

# ROTATION ANCIENNES VERSIONS
for ((  jour = ${nbjours[*]};  jour > 1;  jour--  ))
do
    jourprec=$((jour-1))
    # SYSTEME
    mv /home/sauvegardes/etc.$jourprec.tar.gz /home/sauvegardes/etc.$jour.tar.gz

    # MYSQL
    for db in ${mysqldbs[*]}
    do
        mv /home/sauvegardes/mysql_dump/$db.$jourprec.sql.tar.gz /home/sauvegardes/mysql_dump/$db.$jour.sql.tar.gz
    done
    # WWW
    for dir in ${wwwdirs[*]}
    do
        mv /home/sauvegardes/www/$dir.$jourprec.tar.gz /home/sauvegardes/www/$dir.$jour.tar.gz
    done
done

# SUPPRESSION VERSION LA PLUS VIEILLE
# SYSTEME
rm /home/sauvegardes/etc.$jourtodelete.sql.tar.gz
# MYSQL
for db in ${mysqldbs[*]}
do
    rm /home/sauvegardes/mysql_dump/$db.$jourtodelete.sql.tar.gz
done
# WWW
for dir in ${wwwdirs[*]}
do
    rm /home/sauvegardes/www/$dir.$jourtodelete.tar.gz
done

# GENERATION VERSION DU JOUR
# SYSTEME
tar czf /home/sauvegardes/etc.1.tar.gz /etc
# MYSQL
for db in ${mysqldbs[*]}
do
    mysqldump -u root --password=MYSQLROOTPASSWORD $db > /home/sauvegardes/mysql_dump/$db.sql
    tar czf /home/sauvegardes/mysql_dump/$db.1.sql.tar.gz /home/sauvegardes/mysql_dump/$db.sql
    rm /home/sauvegardes/mysql_dump/$db.sql
done
# WWW
for dir in ${wwwdirs[*]}
do
    tar --exclude='*/cache/*' --exclude='*/logs/*' --exclude='*/tmp/*' -cvzf /home/sauvegardes/www/$dir.1.tar.gz /var/www/$dir/
done