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feat: Support Kubernetes interfaces (#80)

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Kroese 2024-05-21 07:54:54 +02:00 committed by GitHub
parent df2c38893f
commit 97b4a558df
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GPG key ID: B5690EEEBB952194
1 changed files with 9 additions and 5 deletions
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14
src/network.sh
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@ -12,6 +12,7 @@ set -Eeuo pipefail
: "${VM_NET_TAP:="qemu"}"
: "${VM_NET_MAC:="$MAC"}"
: "${VM_NET_HOST:="QEMU"}"
: "${VM_NET_IP:="20.20.20.21"}"
: "${DNSMASQ_OPTS:=""}"
: "${DNSMASQ:="/usr/sbin/dnsmasq"}"
@ -154,15 +155,13 @@ configureNAT() {
# Create a bridge with a static IP for the VM guest
VM_NET_IP='20.20.20.21'
{ ip link add dev dockerbridge type bridge ; rc=$?; } || :
if (( rc != 0 )); then
error "Failed to create bridge. $ADD_ERR --cap-add NET_ADMIN" && exit 23
fi
ip address add ${VM_NET_IP%.*}.1/24 broadcast ${VM_NET_IP%.*}.255 dev dockerbridge
ip address add "${VM_NET_IP%.*}.1/24" broadcast "${VM_NET_IP%.*}.255" dev dockerbridge
while ! ip link set dockerbridge up; do
info "Waiting for IP address to become available..."
@ -264,8 +263,13 @@ checkOS() {
getInfo() {
if [ -z "$VM_NET_DEV" ]; then
# Give Kubernetes priority over the default interface
[ -d "/sys/class/net/net0" ] && VM_NET_DEV="net0"
[ -d "/sys/class/net/net1" ] && VM_NET_DEV="net1"
[ -d "/sys/class/net/net2" ] && VM_NET_DEV="net2"
[ -d "/sys/class/net/net3" ] && VM_NET_DEV="net3"
# Automaticly detect the default network interface
VM_NET_DEV=$(awk '$2 == 00000000 { print $1 }' /proc/net/route)
[ -z "$VM_NET_DEV" ] && VM_NET_DEV=$(awk '$2 == 00000000 { print $1 }' /proc/net/route)
[ -z "$VM_NET_DEV" ] && VM_NET_DEV="eth0"
fi
@ -296,7 +300,7 @@ getInfo() {
error "Invalid MAC address: '$VM_NET_MAC', should be 12 or 17 digits long!" && exit 28
fi
GATEWAY=$(ip r | grep default | awk '{print $3}')
GATEWAY=$(ip route list dev "$VM_NET_DEV" | awk ' /^default/ {print $3}')
IP=$(ip address show dev "$VM_NET_DEV" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
return 0