#!/bin/bash

# Copyright 2017 The Openstack-Helm Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -ex

client_address="{{- .Values.conf.nova.vnc.nova.conf.vncserver_proxyclient_address -}}"
if [ -z "${client_address}" ] ; then
    client_interface="{{- .Values.console.novnc.compute.vncserver_proxyclient_interface -}}"
    if [ -z "${client_interface}" ] ; then
        # search for interface with default routing
        client_interface=$(ip r | grep default | awk '{print $5}')
    fi

    # determine client ip dynamically based on interface provided
    client_address=$(ip a s $client_interface | grep 'inet ' | awk '{print $2}' | awk -F "/" '{print $1}')
fi

listen_ip="{{- .Values.conf.nova.vnc.nova.conf.vncserver_listen -}}"
if [ -z "${listen_ip}" ] ; then
    # The server component listens on all IP addresses and the proxy component
    # only listens on the management interface IP address of the compute node.
    listen_ip=0.0.0.0
fi

cat <<EOF>/tmp/pod-shared/nova-vnc.ini
[vnc]
vncserver_proxyclient_address = $client_address
vncserver_listen = $listen_ip
EOF