a2ensite

#!/bin/bash
#########################################
#
# This script enables apache virtual hosts
# by creating symlinks  in 
#
# /etc/apache2/sites-enabled
# 
# that point to vhost conf files in
# 
# /etc/apache2/sites-available
#
# 
# NOTE: The analogue of this script is
# 
# a2dsite 
#
#########################################

#
# Test for no arguments, then display the
# instructions
#
if [ $# -eq 0 ]; then
	
echo "
usage: a2ensite [config file name]

example: a2ensite 000-default.conf
  	
A symbolic link for the the virtual host 
configuration file specified in the argument 
will be created in the sites_enabled folder,
pointing to the configuration file in the
sites_available folder.

The following folders must exist:
/etc/apache2/sites-available
/etc/apache2/sites-enabled
";
	exit 1;
fi

#
#
#
conf=$1;

#
# Source folder for hard vhost files
#
src="/etc/apache2/sites-available/";

#
# Source folder for symlink vhost files
#
dst="/etc/apache2/sites-enabled/";


#
# Test for necessary conf folders
#
! test -d $src && { echo "The required folder does not exist: $src"; exit 1; }
! test -d $dst && { echo "The required folder does not exist: $dst"; exit 1; }


#
# Set full path to config files
#
dest_conf_file=$dst$conf;
src_conf_file=$src$conf;

#
# Is this file already enabled
#
test -f $dest_conf_file && { echo "$conf is already enabled"; exit 1; }

#
# Does this file exist 
#
! test -f $src_conf_file && { echo "This site does not exist."; exit 1; }

#
# Create a symbolic link to the source config file
#

if ln -s $src_conf_file $dest_conf_file; then
	
	echo "The site $conf has been enabled.";
	exit 0;
fi; 

exit 1;