wpbackup

#!/bin/bash

sudo sync; sync;

# ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
#
#	WP BackUp Script
#	https://github.com/PRyC/WPBackUp
#
# ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
#
# Required software:
# bash, sha512sum, p7zip, p7zip-full, wp-cli, sudo and optional s3cmd
#
# Using the script:
# sudo ./wpbackup [site name] [job]
# eg.:
# sudo ./wpbackup example.com full
#
# Remember to set the appropriate attributes for the script file: 
# sudo chmod +x ./wpbackup
#
# ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----

# Chceck argument: site name (domain)
if [[ $1 == *"."* ]]; then
	echo "----- ----- ----- ----- -----"
	echo "\$1: OK ($1)"
else
	echo ""	
	echo "\$1: Correct syntax: sudo wpbackup [SITE] [TYPE: major, full, db or pswd to show passwords]"
	echo ""	
	exit 1
fi

# Chceck argument: job type (backup type)
if [[ $2 == "major" ]] || [[ $2 == "full" ]] || [[ $2 == "db" ]] || [[ $2 == "pswd" ]]; then
	echo "\$2: OK ($2)"
	echo "----- ----- ----- ----- -----"
else
	echo ""	
	echo "\$2: Correct syntax: sudo wpbackup [SITE] [TYPE: major, full, db or pswd to show passwords]"
	echo ""	
	exit 1
fi

# Chceck WP-CLI installed (for DB BackUp)
if ! [[ -x "$(command -v wp)" ]]; then
	echo 'ERROR: WP-CLI is not installed!' >&2
	exit 1
fi
# Chceck 7z installed
if ! [[ -x "$(command -v 7z)" ]]; then
	echo 'ERROR: p7zip & p7zip-full is not installed!' >&2
	exit 1
fi


SITE="$1"
BACKUP_TYPE="$2"

# +-+-+-+ +-+-+-+
# |S|e|t| |I|t|!| 1/9
# +-+-+-+ +-+-+-+
# Delete (0) or leave (1) the archive on the server 
# "0" only works when backup on S3 is active!
KEEP_LOCAL=0
# Update WP + themes + plugins AFTER full or major backup (1 - yes):
UPDATE=1


# ----- ----- SITE DIR schema ----- -----
# +-+-+-+ +-+-+-+
# |S|e|t| |I|t|!| 2/9
# +-+-+-+ +-+-+-+
SITE_DIR="/var/www/"$SITE"/public_html"
# ----- ----- SITE DIR schema ----- -----

if [ $BACKUP_TYPE != "pswd" ] && [[ ! -f "$SITE_DIR"/wp-config.php ]]; then
	echo ""	
    echo "Missing wp-config.php file. Are You sure this is a WordPress site?"
	echo ""	
	exit 0
fi

# ----- ----- SPLIT TAR ARCHIVE ----- -----
# +-+-+-+ +-+-+-+
# |S|e|t| |I|t|!| 3/9
# +-+-+-+ +-+-+-+
# Set 1 to split:
SPLIT_ARCH=0
# Split archive size, eg 20M = 20 MB
SPLIT_ARCH_SIZE=20M
# Restore:
# cat FILE_BAME.tar.gz_split-* | tar xzvf -
# ----- ----- SPLIT TAR ARCHIVE ----- -----

# ----- ----- TAR ARCHIVE EXCLUDE ----- -----
# +-+-+-+ +-+-+-+
# |S|e|t| |I|t|!| 4/9
# +-+-+-+ +-+-+-+
EXCLUDE="--exclude=$SITE_DIR/wp-content/upgrade --exclude=$SITE_DIR/wp-content/cache --exclude=$SITE_DIR/wp-content/litespeed --exclude=$SITE_DIR/wp-content/.snapshots --exclude=$SITE_DIR/.git"
# ----- ----- TAR ARCHIVE EXCLUDE ----- -----


# ----- ----- S3 CONFIGURATION ----- -----
# !!! REMEMBER TO INSTALL AND CONFIGURE S3CMD !!!

# +-+-+-+ +-+-+-+
# |S|e|t| |I|t|!| 5/9
# +-+-+-+ +-+-+-+
# Set to 1 to activate S3
BACKUP2S3=0

# +-+-+-+ +-+-+-+
# |S|e|t| |I|t|!| 6/9
# +-+-+-+ +-+-+-+
# For example.com S3 cfg file:
# /root/.s3cfg-oss-wpbackup/.example.com
S3CFG=/root/.s3cfg-oss-wpbackup/.$SITE

# +-+-+-+ +-+-+-+
# |S|e|t| |I|t|!| 7/9
# +-+-+-+ +-+-+-+
# s3://[BUCKET-NAME]/$SITE/
S3DIR=s3://wpbackup/$SITE/

# !!! REMEMBER TO INSTALL AND CONFIGURE S3CMD !!!
# ----- ----- S3 CONFIGURATION ----- -----


function f_pswd() {
	# +-+-+-+ +-+-+-+
	# |S|e|t| |I|t|!| 8/9
	# +-+-+-+ +-+-+-+
	# Set BASE PASSWORD for archive (eg. 512 a-z A-Z 0-9):
	PSWD1=

	# SHA512: site name
	PSWD2="$(echo -n $SITE | sha512sum | cut -c1-128)"

	# MASTER PASSWORD for archive (BASE + SHA512):
	BACKUP_ARCHIVE_PASSWORD=$PSWD1$PSWD2
}

# Date and time generation 
function f_time() {
	DATA_D="$(date +"%Y%m%d")"
	DATA_H="$(date +"%H%M%S")"
	FILE_TIME=$DATA_D"-"$DATA_H
}

# File and directory names 
function f_dir() {
	f_time
		
	# ----- ----- Set MAIN working folder  ----- -----
	# +-+-+-+ +-+-+-+
	# |S|e|t| |I|t|!| 9/9
	# +-+-+-+ +-+-+-+
	BACKUP_MAIN_DIR="/backup/"
	# ----- ----- Set MAIN working folder  ----- -----
	
	BACKUP_TEMP_DIR=$BACKUP_MAIN_DIR$SITE"_"$FILE_TIME"/"
	BACKUP_ARCH_DIR=$BACKUP_MAIN_DIR"archive/"
}

# Create the required folders 
function f_makedir() {
	f_dir
	
	if [[ ! -d "$BACKUP_MAIN_DIR" ]]; then
		sudo mkdir $BACKUP_MAIN_DIR
	fi
	if [[ ! -d "$BACKUP_TEMP_DIR" ]]; then
		sudo mkdir $BACKUP_TEMP_DIR
	fi
	if [[ ! -d "$BACKUP_ARCH_DIR" ]]; then
		sudo mkdir $BACKUP_ARCH_DIR
	fi
}


function f_backup {
	f_makedir
	
	echo "----- ----- ----- ----- -----"
	echo "SITE: "$SITE
	echo "Typ: "$BACKUP_TYPE
	echo "----- ----- ----- ----- -----"
	
	echo "Database dump..."
	sudo wp db export $BACKUP_TEMP_DIR$SITE"_db_"$FILE_TIME.sql --allow-root --path=$SITE_DIR/

	if [[ $BACKUP_TYPE == full ]] || [[ $BACKUP_TYPE == major ]]; then
		echo "Copying files..."
		sudo tar czPf $BACKUP_TEMP_DIR$SITE"_www_"$FILE_TIME.tar.gz $EXCLUDE $SITE_DIR/
	fi
	
	if [[ $BACKUP_TYPE == full ]] && [[ $SPLIT_ARCH == 1 ]] || [[ $BACKUP_TYPE == major ]] && [[ $SPLIT_ARCH == 1 ]]; then
		echo "Split file..."
		
		sudo split -b $SPLIT_ARCH_SIZE $BACKUP_TEMP_DIR$SITE"_www_"$FILE_TIME.tar.gz "$BACKUP_TEMP_DIR$SITE"_www_"$FILE_TIME.tar.gz_split-"
		
		echo "Deleting base ARCH (no split)"
		sudo rm -rf $BACKUP_TEMP_DIR$SITE"_www_"$FILE_TIME.tar.gz
	fi
		
	echo "Packing files..."
	f_pswd
	
	# 7zip MAN:
	# 7z a [zipfile-name] [files-to-be-zipped]
	# -p : Set Password
	# -mx=9 : Ultra compression
	# -mx=9 : normal --//--
	# -mmt=1 : 1 core CPU
	# -mhe : Encrypt file names
	# -t7z : File type .7z
	
	sudo 7z a $BACKUP_ARCH_DIR$SITE"_wpbackup_"$BACKUP_TYPE"_"$FILE_TIME.7z $BACKUP_TEMP_DIR -t7z -mhe -mx=5 -mmt=1 -p$BACKUP_ARCHIVE_PASSWORD
				
	if [[ $BACKUP2S3 == 1 ]]; then
		echo "Sending to S3..."
		sudo s3cmd put $BACKUP_ARCH_DIR$SITE"_wpbackup_"$BACKUP_TYPE"_"$FILE_TIME.7z $S3DIR$BACKUP_TYPE"/" --disable-multipart -c $S3CFG
	fi
	
	# ----- ----- ----- ----- ----- ----- ----- -----
	# Cleaning :
	# Delete temporary folder 
	sudo rm -rf $BACKUP_TEMP_DIR
	
	# Deleting the file (only if the copy on S3 and KEEP_LOCAL=0, otherwise stays)
	if [[ $KEEP_LOCAL == 0 ]] && [[ $BACKUP2S3 == 1 ]]; then
		echo "Deleting a local file (backup archive)"
		sudo rm -rf $BACKUP_ARCH_DIR$SITE"_wpbackup_"$BACKUP_TYPE"_"$FILE_TIME.7z
	fi
	# ----- ----- ----- ----- ----- ----- ----- -----
	
		# ----- ----- ----- ----- ----- ----- ----- -----
	if [[ $UPDATE == 1 ]]; then
		if [[ $BACKUP_TYPE == full ]] || [[ $BACKUP_TYPE == major ]]; then
			echo "Update..."
			cd $SITE_DIR
			sudo wp core update --allow-root
			sudo wp plugin update --all --allow-root
			sudo wp theme update --all --allow-root
		fi
	fi
	# ----- ----- ----- ----- ----- ----- ----- -----
	
}

if [[ $BACKUP_TYPE == pswd ]]; then
	f_pswd
	echo ""
	echo "PSWD1/2: "$PSWD1
	echo ""
	echo "PSWD2/2: "$PSWD2
	echo ""
	echo "PSWD: "$BACKUP_ARCHIVE_PASSWORD
	echo ""
else
	f_backup
fi


exit