apache

#!/bin/sh

:<<DOCUMENTATION

	Description:	Backs up Let's Encrypt certs, Apache includes, and the www directory.
	Parameters:
		-d destination (optional): directory to save the backup to
			Default: /var/backups/apache/yyyy-mm-ddThh:mm:ss
		-j jail_path (optional): path to a jail where Apache is installed
			Default: no value - backs up Apache from the local host
	Author:			Chris Wells (https://chriswells.io)

DOCUMENTATION


# shellcheck source=/dev/null
. "$(dirname "$(readlink -f "$0")")/../lib/shell.common"


# Require root to be sure all files are accessible. -- cwells
requireRootOrExit

parseScriptOptions "$@"

JAIL_PATH=$(getOption '-j')
if [ -z "$JAIL_PATH" ]; then
	JAIL_PATH=''
fi

BACKUP_DIR=$(getOption '-d')
if [ -z "$BACKUP_DIR" ]; then
	if [ -n "$JAIL_PATH" ]; then # Include the jail name in the backup. -- cwells
		BACKUP_DIR="/var/backups/apache/$(basename "$JAIL_PATH")-$(date +%Y-%m-%dT%H:%M:%S)"
	else
		BACKUP_DIR="/var/backups/apache/$(date '+%Y-%m-%dT%H:%M:%S')"
	fi
fi


# Create backup directory if it does not exist. -- cwells
if [ ! -d "$BACKUP_DIR" ]; then
	# shellcheck disable=SC2174
	mkdir -m 750 -p "$BACKUP_DIR"
fi

# Ensure the backup does not already exist. -- cwells
if [ -f "$BACKUP_DIR/Includes.tar.gz" ]; then
	echo 'Error: Includes.tar.gz already exists.'
	exit 1
elif [ -f "$BACKUP_DIR/letsencrypt.tar.gz" ]; then
	echo 'Error: letsencrypt.tar.gz already exists.'
	exit 1
elif [ -f "$BACKUP_DIR/www.tar.gz" ]; then
	echo 'Error: www.tar.gz already exists.'
	exit 1
fi

echo '
Creating backup:
'

if [ -d "$JAIL_PATH/usr/local/etc/letsencrypt" ]; then
	echo 'TLS certs...'
	tar -czf "$BACKUP_DIR/letsencrypt.tar.gz" -C "$JAIL_PATH/usr/local/etc/" "letsencrypt/"
fi
if [ -d "$JAIL_PATH/usr/local/etc/apache24/Includes" ]; then
	echo 'Config files...'
	tar -czf "$BACKUP_DIR/Includes.tar.gz" -C "$JAIL_PATH/usr/local/etc/apache24/Includes/" "."
fi
if [ -d "$JAIL_PATH/usr/local/www" ]; then
	echo 'Hosted files...'
	tar -czf "$BACKUP_DIR/www.tar.gz" -C "$JAIL_PATH/usr/local/www/" "."
fi

echo "
Saved backup to: $BACKUP_DIR"

exit 0