feat: Detect default interface (#276)

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Kroese 2023-12-28 20:05:43 +01:00 committed by GitHub
parent 218cd8d5ad
commit 3a4e9a165a
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@ -7,8 +7,8 @@ set -Eeuo pipefail
: ${CONTROL_PORTS:=''} : ${CONTROL_PORTS:=''}
: ${MAC:='82:cf:d0:5e:57:66'} : ${MAC:='82:cf:d0:5e:57:66'}
: ${VM_NET_DEV:=''}
: ${VM_NET_TAP:='qemu'} : ${VM_NET_TAP:='qemu'}
: ${VM_NET_DEV:='eth0'}
: ${VM_NET_MAC:="$MAC"} : ${VM_NET_MAC:="$MAC"}
: ${VM_NET_HOST:='QEMU'} : ${VM_NET_HOST:='QEMU'}
@ -211,6 +211,12 @@ fi
update-alternatives --set iptables /usr/sbin/iptables-legacy > /dev/null update-alternatives --set iptables /usr/sbin/iptables-legacy > /dev/null
update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null
if [ -z "$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/$VM_NET_DEV" ]; then if [ ! -d "/sys/class/net/$VM_NET_DEV" ]; then
error "Network interface $VM_NET_DEV does not exist inside the container!" 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 error "$ADD_ERR -e \"VM_NET_DEV=NAME\" to specify another interface name." && exit 27