#			backing.sh
#			---------------------
#
# Backup a website folder and its database
#
#		SYNOPSIS
#       backing.sh [DB] [DBUSER] [DBPASS] [DEST] [SOURCE]
#
#	This file can be used in two ways, 
#	--  Input the variables in the command line with the above synopsis
#	--  Or run the file without any arguments and edit the variables below
#
#	    !!!Make sure the destination folder exists!!!
#


#!/usr/bin/env bash


# Variables ----------------
DB="database"						    # Database name
DBUSER="databaseUser"					    # Database user
DBPASS="databasePass"					    # Database user password
DEST="/home/user/backups/daily/latest"			    # Backup folder
SOURCE="/usr/share/nginx/web_folder"			    # Source of the website folder
SERVICE="systemd.service"				    # Systemd web service
#---------------------------


# Check for command line arguments -----------------
if [ -z "$1" ]		# First is database name
then
	DB_S=$DB
else
	DB_S=$1
fi

if [ -z "$2" ]		# Second is database user
then
	DBUSER_S=$DBUSER
else
	DBUSER_S=$2
fi

if [ -z "$3" ]		# Third is database user password
then
	DBPASS_S=$DBPASS
else
	DBPASS_S=$3
fi

if [ -z "$4" ]		# Fourth is destination backup folder
then
	DEST_S=$DEST
else
	DEST_S=$4
fi

if [ -z "$5" ]		# Fifth is source website folder
then
	SOURCE_S=$SOURCE
else
	SOURCE_S=$5
fi
#---------------------------------------------------


echo -e "Stoping webserver and starting backup procedure...\n"

systemctl stop $SERVICE						    # Stop service

rm -rf $DEST_S/* &						    # Clean destination folder first
remove=$!							    # get the pid number of the cleaning command
wait $remove							    # and wait for it to finish

mysqldump --user $DBUSER_S --password=$DBPASS_S $DB_S > $DEST_S/data_latest.sql &   # Get the database to destination
dump=$!								    # get the pid number of the database command
wait $dump							    # and wait for it to finish

cp -r $SOURCE_S $DEST_S						    # Copy the website folder to destination
copy=$!								    # get the pid number of the copy command
wait $copy							    # and wait for it to finish

systemctl start $SERVICE					    # Start service

echo -e "Website backed up\nWebserver back online.\n"
logger "Website backed up into $DEST_S - [WEB-BACKUP]"		    # Log backup time in journalctl