Dotcloud backup to S3 improved

backup.sh

#!/bin/bash
# 
# Improved version of http://docs.dotcloud.com/guides/backups/
# 

HOSTNAME=`hostname`
TAG="${HOSTNAME}_$(TZ=UTC date +%Y-%m-%d_%H:%M:%S_UTC)"

[ "$3" ] || {
	echo "Please specify what to backup, how, and where."
	exit 1
}


case "$1" in
	mysql)
		FILENAME="$TAG.sql.gz"
		FILEPATH="/tmp/$FILENAME"
		mysqldump --all-databases | gzip > "$FILEPATH"
		;;
	pgsql)
		FILENAME="$TAG.sql.gz"
		FILEPATH="/tmp/$FILENAME"
		pg_dumpall | gzip > "$FILEPATH"
		;;
	riak)
		FILENAME="$TAG.bitcask.tar.gz"
		FILEPATH="/tmp/$FILENAME"
		tar -czf "$FILEPATH" /var/lib/riak
		;;
	data)
		FILENAME="$TAG.data.tar.gz"
		FILEPATH="/tmp/$FILENAME"
		tar -C "$HOME" -czf "$FILEPATH" "data"
		;;
        redis)
		FILENAME="$TAG.redis.tar.gz"
		FILEPATH="/tmp/$FILENAME"
		tar -C "$HOME" -czf "$FILEPATH" "dump.rdb"
		;;
	*)
		echo "Sorry, I don't know how to backup $1."
		exit 1
		;;
esac

if [ "$4" ]
then
	DEST="$4/$FILENAME"
else
	DEST="$FILENAME"
fi

case "$2" in
	ssh)
		scp -q -o BatchMode=yes "$FILEPATH" "$3:$DEST"
		;;
	ftp)
		curl -sST "$FILEPATH" "ftp://$3/$DEST"
		;;
	s3)
		s3cmd put "$FILEPATH" "s3://$3/$DEST"
		;;
	s3multi)
		split --numeric-suffixes --bytes=4G "$FILEPATH" "$FILEPATH".
		s3cmd put "$FILEPATH".?? "s3://$3/$DEST/"
		;;
	*)
		echo "Sorry, transfer method $2 is not supported."
		exit 1
esac

SIZE="$(stat --printf %s "$FILEPATH")"

deploy_backup.sh

#!/bin/bash

[ "$2" ] || {
	echo "Please specify a S3 bucket and service type."
	exit 1
}

s3cmd --configure
curl https://raw.github.com/gist/1925021/779bc84d899a428a1cd9c3b7ef718dbfbe02bde6/backup.sh > backup.sh
chmod 700 backup.sh
./backup.sh $1 s3multi $2
crontab - <<EOF
MAILTO=""
$[$RANDOM%60] $[$RANDOM%24] * * * ~/backup.sh $1 s3multi $2
EOF