#!/bin/bash

set -eux

### --start_docs
## Prepare network for deploying the overcloud
## ==================================================

## Prepare Your Environment
## ------------------------

## * Source in the undercloud credentials.
## ::

source {{ working_dir }}/stackrc

{% if network_isolation|bool %}

## Setup Networking
## ----------------

## * Enable NAT for "external" network.
## ::
RULE="-s {{undercloud_external_network_cidr}} ! -d {{undercloud_external_network_cidr}} -j MASQUERADE"

if ! sudo iptables -t nat -C BOOTSTACK_MASQ $RULE; then
    sudo iptables -t nat -A BOOTSTACK_MASQ $RULE
    sudo sh -c 'iptables-save > /etc/sysconfig/iptables'
fi

{% for name, network in (undercloud_networks|default({})).items() if name == 'external' %}

{% if not overcloud_ipv6|bool %}
sudo bash -c 'cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-vlan{{ network.tag }}
DEVICE=vlan{{ network.tag }}
ONBOOT=yes
DEVICETYPE={{ network.device_type }}
TYPE={{ network.type }}
BOOTPROTO=static
IPADDR={{ network.address }}
NETMASK={{ network.netmask }}
OVS_BRIDGE={{ network.ovs_bridge }}
OVS_OPTIONS={{ network.ovs_options }}
EOF'

sudo ifup ifcfg-vlan{{ network.tag }}

{% else %}

sudo bash -c 'cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-eth6
DEVICE=eth6
ONBOOT=yes
BOOTPROTO=static
IPADDR={{ network.address }}
NETMASK={{ network.netmask }}
IPV6ADDR={{ network.address6 }}
IPV6INIT=yes
EOF'

sudo ifup ifcfg-eth6

{%endif%}


{% endfor %}

{%endif%}

### --stop_docs