ansible-roles/vpn/bridge/templates/ifupdown.d/20-routes

#!/usr/bin/env bash

if [ ${MODE} == "start" ]
then
    set -ue
elif [ ${MODE} == "stop" ]
then
    set -u
else
    echo "$(basename ${0}): mode must be one of either 'start' or 'stop'" 1>&2
    exit 1
fi

case ${PHASE} in
    "pre-up")
{% if vpn_bridge_routing_table is defined %}
        /usr/sbin/ip -4 rule add dev ${IFACE} table {{ vpn_bridge_routing_table }}
        /usr/sbin/ip -6 rule add dev ${IFACE} table {{ vpn_bridge_routing_table }}

        /usr/sbin/ip -4 rule add dev ${IFACE} to {{ local_inet_network }} table main priority 1
        /usr/sbin/ip -6 rule add dev ${IFACE} to {{ local_inet6_network }} table main priority 1
{% endif %}
        ;;
    "post-up")
        ;;
    "pre-down")
        ;;
    "post-down")
{% if vpn_bridge_routing_table is defined %}
        /usr/sbin/ip -6 rule del dev ${IFACE} to {{ local_inet6_network }} table main priority 1
        /usr/sbin/ip -4 rule del dev ${IFACE} to {{ local_inet_network }} table main priority 1

        /usr/sbin/ip -6 rule del dev ${IFACE} table {{ vpn_bridge_routing_table }}
        /usr/sbin/ip -4 rule del dev ${IFACE} table {{ vpn_bridge_routing_table }}
{% endif %}
        ;;
esac