#!/bin/bash
#this script makes a copy of each container and backups afterwards the copies
set -x

# tar -czvf /root/latex2.tar.gz /root/sharelatex_data/ /root/mongo_data/ /root/redis_data/

backuppath='/srv/backUP/sharelatex/'
backupuser='rick-monitoring'
lxccmd='/snap/bin/lxc'
lxc_exec='tar -czvf /root/backup_latex.tar.gz /root/sharelatex_data/ /root/mongo_data/ /root/redis_data/'
lxc_con='sharelatex-0'

#some validations
if [ ! -d ${backuppath} ]
then
	echo "Please set a backup directory which is accessible by this script"
	exit 2
fi

id $backupuser > /dev/null 2>&1
if [ $? -ne 0 ]
then 
	echo "Please set a valid user within this script"
	exit 2
fi

# BackUP sharelatex data
	${lxccmd} exec  ${lxc_con} -- ${lxc_exec}

# Copy from container to /srv/backUP/sharelatex

        ${lxccmd} file pull ${lxc_con}/root/backup_latex.tar.gz ${backuppath}
	mv ${backuppath}backup_latex.tar.gz ${backuppath}$(date +%Y_%m_%d)_latex.tar.gz 	

#housekeeping - keep last 14 days
#find ${backuppath} -mtime +14 -exec rm -f {} \;

#own data for backupuser
chown -R ${backupuser}:${backupuser} ${backuppath}