#!/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 $IFACE | sed -n -e's/^vlan[<]raw[<]device: //p') # If there is no vlan-raw-device defined, check for vlan-formatted name # for example, eth1.123 if [ -z "$IF_VLAN_RAW_DEVICE" ]; then IF_VLAN_RAW_DEVICE=${IFACE%%.*} [ "$IFACE" = "$IF_VLAN_RAW_DEVICE" ] && continue fi # Check if this (vlan) $IFACE uses raw-device $INTERFACE [ "$IF_VLAN_RAW_DEVICE" != "$INTERFACE" ] && continue # If we're being called directly from udev, we only want to create the # vlan interface if there is no associated ifupdown config for the # raw-device; otherwise the ifup for the raw-device will create the # vlan interface(s) [ "$1" = "UDEV" ] && ifquery $IF_VLAN_RAW_DEVICE && continue # Create the VLAN interface(s) related to the raw-device interface export IFACE IF_VLAN_RAW_DEVICE /etc/network/if-pre-up.d/vlan done