Backup scripts MongoHQ databases using heroku.

heroku_mongo_backup

#!/bin/bash
HEROKU="/home/yalab/.rvm/gems/ruby-1.9.3-p0/bin/heroku"
BACKUP_DIR="$HOME/.backup/mongohq"

if [ ! -d $BACKUP_DIR ];then
    mkdir -p $BACKUP_DIR
fi

for APP in `$HEROKU list`;do
    MONGOHQ_URL=`heroku config --app $APP | grep MONGOHQ_URL | awk '{print $3}'`
    if [ -z "$MONGOHQ_URL" ];then
        continue
    fi
    URI=(`ruby -ruri -e "uri = URI.parse('$MONGOHQ_URL'); puts(uri.user, uri.password, uri.host, uri.port, uri.path.delete('/'))"`)
    USER=${URI[0]}
    PASS=${URI[1]}
    HOST=${URI[2]}
    PORT=${URI[3]}
    NAME=${URI[4]}
    mongodump -h ${HOST}:${PORT} -d ${NAME} -u ${USER} -p ${PASS} -o $BACKUP_DIR
    tar -C $BACKUP_DIR -jcvf ${BACKUP_DIR}/${APP}_`date +%Y%m%d%H%M%S`.tar.bz2 $NAME
    rm -rf ${BACKUP_DIR}/${NAME}
done