#!/bin/sh

# vlan-network-interface - configure a network bridge
#
# This service checks whether a physical network device that has been added
# has VLAN defined in /etc/network/interfaces that should be brought up
set -e

if [ -z "$INTERFACE" ]; then
    echo "missing \$INTERFACE" >&2
    exit 1
fi

if ! which ifquery >/dev/null; then
    exit 0
fi

if [ ! -x /etc/network/if-pre-up.d/vlan ]; then
    exit 0
fi

mkdir -p /run/network
for IFACE in $(ifquery --list --allow auto); do
    IF_VLAN_RAW_DEVICE=$(ifquery $IFACE | sed -n -e's/^vlan[_-]raw[_-]device: //p')

    # Now that the environment is ready, call the pre-up script to create the vlan
    export IFACE IF_VLAN_RAW_DEVICE
    /etc/network/if-pre-up.d/vlan
done