#!/bin/bash
set -e

# VARIABLES
current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
project=`uname -n`
backup_dir=`mktemp -d "${TMPDIR:-/tmp}"/${project}.backup.XXXX`
today=`date +'%Y-%m-%d'`
at="at `echo $(date)`"
backup_log=/var/log/backup-website.log
docroot=/var/www/<yourfolder>
apache_settings=/etc/apache2
server_logs=/var/log/apache2
bucket=<yourbucket>
dbhost=`cat ${docroot}/wp-config.php | grep -ns "^define('DB_HOST'" | cut -d \' -f 4`
dbuser=`cat ${docroot}/wp-config.php | grep -ns "^define('DB_USER'" | cut -d \' -f 4`
dbname=`cat ${docroot}/wp-config.php | grep -ns "^define('DB_NAME'" | cut -d \' -f 4`
dbpass=`cat ${docroot}/wp-config.php | grep -ns "^define('DB_PASSWORD'" | cut -d \' -f 4`

exec &>> ${backup_log}

echo "started backup ${at}"
# BACKUP DIRECTORY
cd ${backup_dir}

# BACKUP - DATABASE
echo "creating mysqldump ${at}"
mysqldump -h ${dbhost} -u ${dbuser} -p${dbpass} ${dbname} | gzip -9 -c > ${today}-${project}-${dbname}.sql.gz
echo "backed up database `ls -i *.sql.gz` ${at}"

# BACKUP WWW FILES
tar --exclude='.git' -czvf ${today}-${project}-www.tar.gz ${docroot}

# BACKUP APACHE SETTINGS
tar --exclude='.git' -czvf ${today}-${project}-apache.tar.gz ${apache_settings}

# BACKUP APACHE LOGS
mkdir ${backup_dir}/logs && cp -r --parents ${server_logs} ${backup_dir}/logs
tar -czvf ${today}-${project}-logs.tar.gz ${backup_dir}/logs
rm -rf ${backup_dir}/logs

# SYNC TO S3
echo "uploading to s3 now ${at}"
s3cmd sync . --recursive --exclude '*.*' --include '*.gz' --no-progress --no-guess-mime-type --acl-private s3://${bucket}/${today}/
echo "uploaded ${at} `s3cmd ls s3://${bucket}/${today}/`"
cd ${current_dir}

# CLEANUP
echo "removing backup directory: ${backup_dir} ${at}"
rm -rf ${backup_dir}

echo "ended backup ${at}"

exit 0