#!/bin/sh

set -e

OS_WEBROOT_CONF_PATH="/etc/openstack-dashboard/local_settings.d/_0005_debian_webroot.py"

# We need to check if WEBROOT config will be changed
# If yes, we need to exec compress,collect_static.
# If no, it isn't needed.

change_webroot (){
	WEBROOT=$1
	# If WEBROOT config exist, compare it
	if [ -e ${OS_WEBROOT_CONF_PATH} ]; then

		CURRENT_WEBROOT=$(cat ${OS_WEBROOT_CONF_PATH}  | grep ^WEBROOT | sed -e 's/"*'\''*\ *//g' | awk -F '=' '{print $2}')

		if [ "${CURRENT_WEBROOT}" = "${WEBROOT}" ]; then
			echo "===> openstack-dashboard-apache: Webroot already set."
			echo "===> openstack-dashboard-apache: Rebuild static not needed."
                else
			sed -i "s|^[ \t]*WEBROOT[ \t]=.*|WEBROOT = \"${WEBROOT}\"|" ${OS_WEBROOT_CONF_PATH}
			echo "===> openstack-dashboard-apache: Setting Horizon's webroot to ${WEBROOT}"
			echo "===> openstack-dashboard-apache: Horizon's webroot was changed, rebuild static is needed."
			dpkg-trigger --no-await openstack-dashboard-rebuild-static
		fi
	fi

}

if [ "$1" = "configure" ] ; then
	. /usr/share/debconf/confmodule
	if ! [ -f /etc/default/openstack-dashboard-apache ] ; then
		echo "# This file controls the behavior of the
# Apache installation / upgrade.

# Controls if the Apache \"default\" site provided by the Debian
# Apache package should be disabled, and the \"openstack-dashboard\"
# virtual host enabled. If set to no, then you will have to do the
# setup manually.
HORIZON_ACTIVATE_VHOSTS=yes

# If the above HORIZON_ACTIVATE_VHOSTS is set to yes, the
# below directive is set to yes also, then Horizon will
# be setup using SSL, and any query to the non-SSL site
# will be redirected to the SSL site.
HORIZON_USE_SSL=yes" >/etc/default/openstack-dashboard-apache
	fi
	db_get horizon/activate_vhost
	if [ "${RET}" = "true" ] && [ -x /etc/init.d/apache2 ] ; then
		sed -i 's#[ \t]*HORIZON_ACTIVATE_VHOSTS=.*#HORIZON_ACTIVATE_VHOSTS=yes#' /etc/default/openstack-dashboard-apache
		# Set webroot to / in openstack-dashboard settings
		change_webroot "/"
		a2dissite 000-default.conf || true
		a2dissite default-ssl.conf || true

		db_get horizon/use_ssl
		if [ "${RET}" = "true" ] ; then
			sed -i 's#[ \t]*HORIZON_USE_SSL=.*#HORIZON_USE_SSL=yes#' /etc/default/openstack-dashboard-apache
			a2enmod ssl
			a2enmod rewrite
			a2dissite openstack-dashboard.conf
			a2dissite openstack-dashboard-alias-only.conf
			a2ensite openstack-dashboard-ssl-redirect.conf
			a2ensite openstack-dashboard-ssl.conf
		else
			sed -i 's#[ \t]*HORIZON_USE_SSL=.*#HORIZON_USE_SSL=no#' /etc/default/openstack-dashboard-apache
			a2dissite openstack-dashboard-ssl.conf
			a2dissite openstack-dashboard-ssl-redirect.conf
			a2dissite openstack-dashboard-alias-only.conf
			a2ensite openstack-dashboard.conf
		fi
		if [ -L /usr/share/openstack-dashboard/static ]; then
			if ! [ $(readlink -s /usr/share/openstack-dashboard/static) = /var/lib/openstack-dashboard/static ]; then
				ln -fs /var/lib/openstack-dashboard/static /usr/share/openstack-dashboard/static
			fi
		else
			ln -fs /var/lib/openstack-dashboard/static /usr/share/openstack-dashboard/static
		fi
		invoke-rc.d --quiet apache2 reload || true
	else
		sed -i 's#[ \t]*HORIZON_ACTIVATE_VHOSTS=.*#HORIZON_ACTIVATE_VHOSTS=no#' /etc/default/openstack-dashboard-apache
		# Set webroot to /horizon in openstack-dashboard settings
		change_webroot "/horizon"
		a2ensite 000-default.conf || true
		a2ensite default-ssl.conf || true
		a2dissite openstack-dashboard.conf || true
		a2dissite openstack-dashboard-ssl-redirect.conf || true
		a2dissite openstack-dashboard-ssl.conf || true
		a2ensite openstack-dashboard-alias-only.conf || true
		invoke-rc.d --quiet apache2 reload || true
	fi
	db_stop
fi



exit 0