Unverified Commit 3a4e9a16 authored by Kroese's avatar Kroese Committed by GitHub
Browse files

feat: Detect default interface (#276)

parent 218cd8d5

src/network.sh

+7 −1
Original line number Diff line number Diff line
@@ -7,8 +7,8 @@ set -Eeuo pipefail 
: ${CONTROL_PORTS:=''}

: ${MAC:='82:cf:d0:5e:57:66'}



: ${VM_NET_DEV:=''}

: ${VM_NET_TAP:='qemu'}

: ${VM_NET_DEV:='eth0'}

: ${VM_NET_MAC:="$MAC"}

: ${VM_NET_HOST:='QEMU'}
@@ -211,6 +211,12 @@ fi 
update-alternatives --set iptables /usr/sbin/iptables-legacy > /dev/null

update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null



if [ -z "$VM_NET_DEV" ]; then

  # Automaticly detect the default network interface

  VM_NET_DEV=$(awk '$2 == 00000000 { print $1 }' /proc/net/route)

  [ -z "$VM_NET_DEV" ] && VM_NET_DEV="eth0"

fi



if [ ! -d "/sys/class/net/$VM_NET_DEV" ]; then

  error "Network interface $VM_NET_DEV does not exist inside the container!"

  error "$ADD_ERR -e \"VM_NET_DEV=NAME\" to specify another interface name." && exit 27