#!/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

ROOT="$1"

##########################################################################
# Substitutions in configuration files
##########################################################################

cat <<EOF > "$ROOT"/etc/openstack-nova-setup.sed
s/##NOVA_SERVICE_USER##/$NOVA_SERVICE_USER/g
s/##NOVA_SERVICE_PASSWORD##/$NOVA_SERVICE_PASSWORD/g
s/##NOVA_PUBLIC_URL##/$NOVA_PUBLIC_URL/g
s/##NOVA_INTERNAL_URL##/$NOVA_INTERNAL_URL/g
s/##NOVA_ADMIN_URL##/$NOVA_ADMIN_URL/g
s/##NOVA_HOST##/$NOVA_HOST/g
s/##NOVA_REGION##/$NOVA_REGION/g
s/##NOVA_NOVNCPROXY_BASE_URL##/$NOVA_NOVNCPROXY_BASE_URL/g
s/##NOVA_DB_USER##/$NOVA_DB_USER/g
s/##NOVA_DB_PASSWORD##/$NOVA_DB_PASSWORD/g
EOF

sed -f "$ROOT"/etc/openstack-nova-setup.sed -i \
       "$ROOT"/etc/nova/nova.conf \
       "$ROOT"/etc/neutron/neutron.conf \
       "$ROOT"/etc/neutron/metadata_agent.ini \
       "$ROOT"/usr/share/openstack/openstack-nova-setup 

##########################################################################

ln -sf "/etc/systemd/system/openstack-nova-setup.service" \
    "$ROOT/etc/systemd/system/multi-user.target.wants/openstack-nova-setup.service"

##########################################################################
# Enable libvirtd and libvirt-guests services
##########################################################################

wants_dir="$ROOT"/usr/lib/systemd/system/multi-user.target.wants
mkdir -p "$wants_dir"
mkdir -p "$ROOT"/var/lock/subsys
ln -sf ../libvirtd.service "$wants_dir/libvirtd.service"
ln -sf ../libvirt-guests.service "$wants_dir/libvirt-guests.service"

##########################################################################
# Change iprange for the interal libvirt to avoid clashes
# with eth0 ip range
##########################################################################

sed -i "s/192\.168\.122\./192\.168\.1\./g" \
       "$ROOT"/etc/libvirt/qemu/networks/default.xml