#!/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

# load tunnel kernel modules we may use and gre/vxlan
modprobe openvswitch

modprobe gre
modprobe vxlan

ovs-vsctl --no-wait show

external_bridge="{{- .Values.network.external_bridge -}}"
external_interface="{{- .Values.network.interface.external -}}"
if [ -n "${external_bridge}" ] ; then
    # create bridge device
    ovs-vsctl --no-wait --may-exist add-br $external_bridge
    if [ -n "$external_interface" ] ; then
        # add external interface to the bridge
        ovs-vsctl --no-wait --may-exist add-port $external_bridge $external_interface
        ip link set dev $external_interface up
    fi
fi

# handle any bridge mappings
{{- range $br, $phys := .Values.network.auto_bridge_add }}
if [ -n "{{- $br -}}" ] ; then
    # create {{ $br }}{{ if $phys }} and add port {{ $phys }}{{ end }}
    ovs-vsctl --no-wait --may-exist add-br "{{ $br }}"
    if [ -n "{{- $phys -}}" ] ; then
        ovs-vsctl --no-wait --may-exist add-port "{{ $br }}" "{{ $phys }}"
        ip link set dev "{{ $phys }}" up
    fi
fi
{{- end }}

exec /usr/sbin/ovs-vswitchd unix:/run/openvswitch/db.sock \
        -vconsole:emer \
        -vconsole:err \
        -vconsole:info \
        --mlockall
