bash-apache-virtual-host

#!/bin/bash
#asks password so that it can go and perform action in root directories
su
echo "Please give the domain name :"
read domain

echo "Please give the IP address :"
read ipaddrs

if [ -d "/etc" ]; then
  if [ -d "/etc/apache2" ]; then
    if [ -d "/etc/apache2/sites-available" ]; then

        if [ -f "/etc/apache2/sites-available/"$domain".conf" ]; then

            echo "SITE ALREADY EXISTS"

        else
            echo "CREATE NEW SITE CONFIG FILE"

            cd "/etc/apache2/sites-available"
            touch $domain".conf"


            echo "CREATE ENTRY INSIDE THE SITE CONFIG FILE"

            echo "<VirtualHost *:80>" >> $domain".conf"
            echo '\t DocumentRoot "/home/'$domain'/public"' >> $domain".conf"
            echo "\t ServerName "$domain  >> $1".conf"
            echo "\t ServerAlias www."$domain >> $1".conf"

            echo '\t <Directory "/home/'$domain'/public">' >> $domain".conf"
                echo '\t\t allow from all' >> $domain".conf"
                echo '\t\t order allow,deny' >> $domain".conf"
                echo '\t\t AllowOverride All' >> $domain".conf"
            echo '\t </Directory>' >> $domain".conf"

            echo "</VirtualHost>"  >> $domain".conf"

            echo "CREATE HOST FILE ENTRY"
            cd "../../"
            echo $ipaddrs $domain >> hosts

            cd "../home"
            echo "CREATE HOME DIRECTORY"
            mkdir $domain
            cd $domain
            mkdir "public"
            cd "public"
            touch index.html
            echo "Welcome to "$domain >> index.html

            echo "HOST SETUP SUCCESSFULLY. PLEASE RESTART APACHE."
        fi
    else
        echo "ERROR: '/etc/apache2/sites-available' does not exists";
    fi
  fi
fi