server.sh

#!/bin/bash
function check_root() {
	if [ $(id -u) -ne 0 ]
	then
		echo "Y U NO root???" 2>&1
		exit 1
	fi
}
check_root

function do_new_host() {
read -p "Enter the name of the server (example.com)? " servername
echo "generating config file for" $servername;
echo "Generated file /etc/nginx/conf.d/$servername.conf"

cat > /etc/nginx/conf.d/$servername.conf <<END
server {
# listen for ipv4, Todo: ipv6?
listen 80; 
	
	server_name $servername www.$servername;
    
access_log /home/$servername/logs/access.log;
error_log /home/$servername/logs/error.log;
root /home/$servername/public;
server_tokens off;
add_header Served-From \$server_addr;

# Disable .htaccess and other hidden files
location  /. {
	return 404;
}

# uncomment this for index.php to be the router
try_files \$uri \$uri/ /index.php?q=\$uri&\$args;
default_type text/html;

index index.html index.php;
	
# the php part
location ~ \.php$ {
include /etc/nginx/fastcgi_params;
	fastcgi_pass unix:/var/run/php5-fpm.sock;
	fastcgi_split_path_info ^(.+\.php)(/.+)$;
	fastcgi_param PATH_INFO \$fastcgi_path_info;
	fastcgi_param PATH_TRANSLATED \$document_root\$fastcgi_path_info;
	fastcgi_param SCRIPT_FILENAME \$document_root\$fastcgi_script_name;
}

# no favicon.ico in logs
location = /favicon.ico {
	log_not_found off;
	access_log off;
}

# no robots.txt in logs
location = /robots.txt {
	allow all;
	log_not_found off;
	access_log off;
}    
}
END

cat > /etc/logrotate.d/$servername <<END
/home/$servername/logs/*.log {
	daily
	missingok
	rotate 52
	compress
	delaycompress
	notifempty
	create 640 nginx adm
	sharedscripts
	postrotate
		[ -f /var/run/nginx.pid ] && kill -USR1 `cat /var/run/nginx.pid`
	endscript
}
END

# make home dir folder
mkdir /home/$servername
echo "Generated /home/$servername";

# make logs folder
mkdir /home/$servername/logs 
echo "Generated /home/$servername/logs";

# make public folder
mkdir /home/$servername/public
echo "Generated /home/$servername/public";

# i can haz permissions for www-data?
chown -R www-data:www-data /home/$servername
# yes, yes you can

# make demo...
cat > /home/$servername/public/index.php <<END
<?php echo "hello world from $servername";
END

# reboot nginx
service nginx restart
}

# loop it
while true; do
    read -p "Do you wish add a new host? " yn
    case $yn in
        [Yy]* ) do_new_host; break;;
        [Nn]* ) exit;;
        	* ) echo "Please answer yes or no.";;
    esac
done