backup-web

#!/bin/sh
# backup web nightly to remote server

option_install()
{
	[ -z "$1" ] && echo "No destination specified" && exit 1
	MIN=`expr $RANDOM % 60`
	HOUR=1
	echo "$MIN $HOUR * * * root $0 backup $1" >> /etc/crontab
	exit
}

option_uninstall()
{
	sed -i "/$0/d" /etc/crontab && exit
}

backup_list()
{
	echo '/var/www'
	ls -1 /var/lib/mysql/*.backup |sed 's/.backup//'
}

option_backup()
{
	[ -z "$1" ] && echo "No destination specified" && exit 1
	TGZ="web-backup-`date '+%F'`.tgz"
	tar cfz /tmp/$TGZ `backup_list`
	scp /tmp/$TGZ $1
}

if [ -z "$1" ]
then
	echo "use: $0 install (scp target path) - adds nightly cronjob"
	echo "     $0 uninstall                 - remove cronjob"
	echo "     $0 backup  (scp target path) - manual run"
	exit
fi

OPT="$1"
shift
option_$OPT $*