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Network failover

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This commit is contained in:
nagumii 2025-02-19 13:24:32 +02:00
parent 9aabaad7d5
commit 883d57a3e7
2 changed files with 17 additions and 8 deletions
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9
foxbuntu/sysdrv/out/rootfs_uclibc_rv1106/etc/network/interfaces
View file

@ -8,4 +8,13 @@ iface lo inet loopback
allow-hotplug wlan0
iface wlan0 inet dhcp
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
metric 100
post-up sleep 5 && dhclient wlan0
pre-down ip route del default via $(ip route | awk '/default/ {print $3}') dev wlan0 metric 100
allow-hotplug eth0
iface eth0 inet dhcp
metric 10
post-up ip route replace default via $(ip route | awk '/default/ {print $3}') dev eth0 metric 10
pre-down ip route del default via $(ip route | awk '/default/ {print $3}') dev eth0 metric 10

16
foxbuntu/sysdrv/out/rootfs_uclibc_rv1106/usr/local/bin/femto-runonce.sh
View file

@ -70,16 +70,16 @@ fi
# prevent randomized mac address for eth0. If `eth0`` is already present in /etc/network/interfaces, skip
mac="$(awk '/Serial/ {print $3}' /proc/cpuinfo | tail -c 11 | sed 's/^\(.*\)/a2\1/' | sed 's/\(..\)/\1:/g;s/:$//')"
if ! grep -q "eth0" /etc/network/interfaces; then
file="/etc/network/interfaces"
if ! grep -q " hwaddress ether $mac" "$file"; then
log_message "Setting eth0 MAC address to $mac (derivative of CPU s/n)"
cat <<EOF >> /etc/network/interfaces
# static mac address for onboard ethernet (castellated pins)
allow-hotplug eth0
iface eth0 inet dhcp
hwaddress ether $mac
EOF
awk -v mac="$mac" '
{ print }
/allow-hotplug eth0/ { count=5 }
count && --count == 0 { print " hwaddress ether " mac }
' "$file" > "$file.tmp" && mv "$file.tmp" "$file"
else
log_message "eth0 already exists in /etc/network/interfaces, skipping"
log_message "eth0 mac address already set in /etc/network/interfaces, skipping"
fi
# Add term stuff to .bashrc