#!/bin/sh

if [ ! -f /root/.my.cnf ] ; then
    exit 1
fi

MY_BACKUP_DIR=/var/lib/mysql-backup
umask 0077
MY_DATA_DIR=/var/lib/mysql
LOCKFILE=$MY_DATA_DIR/.mysqldump.lock


if [ ! -d $MY_BACKUP_DIR ] ; then
    mkdir -p $MY_BACKUP_DIR
fi
if [ ! -d $MY_BACKUP_DIR/log ] ; then
    mkdir -p $MY_BACKUP_DIR/log
fi
if [ ! -d $MY_BACKUP_DIR/old ] ; then
    mkdir -p $MY_BACKUP_DIR/old
fi
chmod -R 700 $MY_BACKUP_DIR

if [ ! -f $LOCKFILE ] ; then
    touch $LOCKFILE
    for db in $( /bin/ls -1 /var/lib/mysql/ ) ; do
   	if [ -d /var/lib/mysql/$db ] ; then
            if [ -f $MY_BACKUP_DIR/$db.sql ] ; then
            	mv -f $MY_BACKUP_DIR/$db.sql $MY_BACKUP_DIR/old
            fi
            #mysqldump -uroot -f --opt -p$MYSQLPASS $db > $MY_BACKUP_DIR/$db.sql 2> $MY_BACKUP_DIR/log/$db.log
            mysqldump -f --opt $db > $MY_BACKUP_DIR/$db.sql 2> $MY_BACKUP_DIR/log/$db.log
            chmod 600 $MY_BACKUP_DIR/$db.sql
    	fi
    done
    # Do a "flush-hosts" after the backup
    mysqladmin flush-hosts 2> $MY_BACKUP_DIR/log/flush-hosts.log
    rm -f $LOCKFILE
fi

exit 0