#!/bin/sh
#
# Copyright (C) 2014 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

set -e

if [ -f /var/openstack/horizon-setup ]; then
  exit 0
fi

# Create required system users and groups
mkdir -p /var/lib/horizon
getent group horizon >/dev/null || groupadd -r --gid 167 horizon
getent passwd neutron >/dev/null || \
	useradd --uid 167 -r -g horizon -d /var/lib/horizon -s /sbin/nologin \
	-c "Horizon user" horizon

# Work around to make django.wsgi working with horizon
# See: https://bugs.launchpad.net/osprofiler/+bug/1361235
# and: https://git.openstack.org/cgit/openstack/tripleo-image-elements/commit/?id=41c9a1dfad23f8aee366afb6a0b20a6c57ec8f79
sed -i "s|'../..'|os.path.realpath('../..')|" \
	/usr/lib/python2.7/site-packages/openstack_dashboard/wsgi/django.wsgi

# And link this django.wsgi file to the horizon home directory
ln -sf /usr/lib/python2.7/site-packages/openstack_dashboard/wsgi/django.wsgi \
       /var/lib/horizon/django.wsgi

# Link Openstack local_settings where openstack_dashboard is installed.
ln -sf /etc/horizon/openstack_dashboard/local_settings.py \
       /usr/lib/python2.7/site-packages/openstack_dashboard/local/local_settings.py

# Create the static directory (STATIC_ROOT) used in local_settings.py to keep
# the static objects like css files.
mkdir -p /var/lib/horizon/openstack_dashboard/static

# Create the horizon document root for apache configuration
mkdir -p /var/lib/horizon/.blackhole

# Link horizon configuration file for apache to the directory where our apache load
# configurations files
ln -sf /etc/horizon/apache-horizon.conf \
       /etc/httpd/conf.d/apache-horizon.conf

chown -R horizon:horizon /var/lib/horizon

install -D -m 644 /proc/self/fd/0 <<'EOF' /var/openstack/horizon-setup
Horizon setup: success
EOF

exit 0