path: root/mysql/dump-all-to-homes.sh

#!/bin/sh
#
# /etc/postgresql/dump-all-to-homes.sh
# Copyright 2003 Jonas Smedegaard <dr@jones.dk>
#
# $Id: dump-all-to-homes.sh,v 1.1 2003-03-05 05:57:01 jonas Exp $
#
# Dump contents of all local Postgres databases to the homes of those
# with access to them.
#
# TODO: Rewrite to run as each normal user

if [ -f /root/.my.cnf ]; then
    rootpass=$(grep password /root/.my.cnf | awk -F= '{print $2}' | head -1 | sed 's/^ //g')
fi

users=$(echo "select user from user where host = 'localhost';" | mysql --user=root -p$rootpass mysql | grep -vi '^user$' | sort -u)

for user in $users; do
    getent passwd $user | awk -F: '{print $6}' | grep -q "^/home/$user$" || continue
    if [ -d /home/$user ]; then
        if [ -d "/home/$user/mysql_dump" ]; then        
            if [ ! -O "/home/$user/mysql_dump" ]; then
                echo "ERROR: Wrong permissions for /home/$user/mysql_dump"
                exit 1
            fi
            chgrp "$user" "/home/$user/mysql_dump"
        else
            install -d -o root -g "$user" -m 0750 "/home/$user/mysql_dump"
        fi
    else
        echo "ERROR: Directory /home/$user doesn't exist"
        exit 1
    fi
    databases=$(echo "select db from db where host = 'localhost' and user = '$user' and select_priv = 'Y';" | mysql --user=root -p$rootpass mysql | grep -vi '^db$' | sed 's/%$//g' | sort -u)
    for database in $databases; do
        #TODO: Check againt `echo "show databases" | mysql -uroot -p$rootpass | grep -vi '^Database$';`
        if [ -f /home/$user/mysql_dump/$database ]; then
            mv /home/$user/mysql_dump/$database /home/$user/mysql_dump/$database.bak
        fi
        mysqldump -c --add-drop-table -uroot -p$rootpass "$database" > "/home/$user/mysql_dump/$database"
        chmod 0640 "/home/$user/mysql_dump/$database"
        chgrp $user "/home/$user/mysql_dump/$database"
    done
done