Stop Varnish.sh

#!/bin/sh
#
# @author Matt Korostoff <mkorostoff@gmail.com>
#
# @internal stop varnish, restart apache on port 80
#
# @category apache
#
# @copyright Licensed under the GNU General Public License as published by the Free 
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.  http://www.gnu.org/licenses/
varnish_process=$(curl -I -silent localhost|grep Varnish)
apache_process=$(curl -I -silent localhost:8000|grep Apache)

if [ ! -z "$varnish_process" ]; then

	if [ ! -z "$apache_process" ]; then

		sudo pkill varnishd >> /dev/null 2>&1

		#Change every instance of '8000' to '80' in apache config, then restart
		sudo sed -i .bak 's/8000/80/g' /etc/apache2/httpd.conf
		sudo sed -i .bak 's/8000/80/g' /etc/apache2/extra/httpd-vhosts.conf
		sudo apachectl restart
		sleep 1

		#Report sucess or failure
		varnish_process=$(curl -I -silent localhost|grep Varnish)
		if [ -z "$varnish_process" ]; then
		  echo "Varnish killed"
		else
		  echo "Varnish could not be stopped"
		fi

		apache_process=$(curl -I -silent localhost|grep Apache)
		if [ ! -z "$apache_process" ]; then
		  echo "Apache restarted on port 80"
		else
		  echo "Apache failed to start on port 80"
		fi

	else
		echo "Apache is not running on port 8000"
	fi
else
	echo "Varnish is not running on port 80"
fi