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#!/bin/sh

# Copyright (C) 2014-2015  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, see <http://www.gnu.org/licenses/>.

set -e

ROOT="$1"

enable(){
    ln -sf "/usr/lib/systemd/system/$1.service" \
            "$ROOT/etc/systemd/system/multi-user.target.wants/$1.service"
}

###################
# Enable services #
###################

enable openvswitch-setup
enable openstack-network-setup

##########################################################################
# Generate config variable shell snippet
##########################################################################

OPENSTACK_DATA="$ROOT/etc/openstack"
mkdir -p "$OPENSTACK_DATA"

python <<'EOF' >"$OPENSTACK_DATA/network.conf"
import os, sys, yaml

network_configuration = {}

optional_keys = ('EXTERNAL_INTERFACE',)

network_configuration.update((k, os.environ[k]) for k in optional_keys  if k in os.environ)

yaml.dump(network_configuration, sys.stdout, default_flow_style=False)
EOF