Script for updating certbot dependencies on AWS Linux AMI

certscript.sh

#!/bin/bash

### Change the permission of certscript.sh: chmod +x /path/to/certscript.sh
### Add this script to root user's cron: 0 0 1 * * sh /path/to/certscript.sh

user=$(whoami)
certbot_dir="/usr/bin"

if [[ $user != 'root' ]]; then
	echo "[*] Please run this script as root user!"
	exit 1
elif [[ -e $certbot_dir/certbot-auto ]]; then
	echo "[*] Certbot found, updating certbot dependencies"
	echo "--------------------------------------------------------"
	date >> certscript.log 
	unset PYTHON_INSTALL_LAYOUT >> certscript.log
	/opt/eff.org/certbot/venv/local/bin/pip install --upgrade certbot >> certscript.log
	echo "[*] Performing certificate renewal on these domains"
	ls -1 /etc/letsencrypt/live/
	certbot-auto renew --pre-hook "service nginx stop" --post-hook "service nginx start" --debug >> certscript.log
		if [[ ! $? -eq 0 ]]; then
			echo "Error occured while renewing the certificates"
			rm -rf /opt/eff.org
			certbot-auto renew --pre-hook "service nginx stop" --post-hook "service nginx start" --debug >> certscript.log
			service nginx restart
				if [[ $? -eq 0 ]]; then
					echo "Successfully renewed all the certificates"
					ls -1 /etc/letsencrypt/live/
					service nginx restart
				fi
		elif [[ $? -eq 0 ]]; then
			echo "Successfully renewed all the certificates"
			service nginx restart
		fi
fi