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afterburn: sync network kars with supported provider #117

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afterburn: sync network kars with supported provider #117

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c44cfb1
afterburn: sync network kars with supported provider
tormath1 Jan 28, 2026
7a0bf56
parse-ip: read 'nameserver' from command line
tormath1 Jun 26, 2026
3866725
parse-ip: it does not make any sense to configure 'loopback'
tormath1 Jun 30, 2026
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5 changes: 5 additions & 0 deletions dracut/50flatcar-network/afterburn-network-kargs.service
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,11 @@ PartOf=systemd-networkd.service
# For extra safety
ConditionKernelCommandLine=|coreos.oem.id=vmware
ConditionKernelCommandLine=|flatcar.oem.id=vmware
ConditionKernelCommandLine=|coreos.oem.id=proxmoxve
ConditionKernelCommandLine=|flatcar.oem.id=proxmoxve
ConditionKernelCommandLine=|coreos.oem.id=kubevirt
ConditionKernelCommandLine=|flatcar.oem.id=kubevirt

OnFailure=emergency.target
OnFailureJobMode=replace-irreversibly

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4 changes: 4 additions & 0 deletions dracut/50flatcar-network/parse-ip-for-networkd.sh
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Expand Up @@ -68,6 +68,8 @@ function mask2cidr() {
echo $bits
}

nameserver=$(getarg nameserver=)

# Check ip= lines
# XXX Would be nice if we could errorcheck ip addresses here as well
for p in $(getargs ip=); do
Expand Down Expand Up @@ -119,6 +121,7 @@ for p in $(getargs ip=); do
mkdir -p /etc/systemd/network
echo '[Match]' > $_net_file
_dev=${dev:-"*"}; echo "Name=$_dev" >> $_net_file
echo "Type=!loopback" >> $_net_file
echo '[Link]' >> $_net_file
[ -n "$macaddr" ] && echo "MACAddress=$macaddr" >> $_net_file
[ -n "$mtu" ] && echo "MTUBytes=$mtu" >> $_net_file
Expand All @@ -128,6 +131,7 @@ for p in $(getargs ip=); do
[ -n "$gw" ] && echo "Gateway=$gw" >> $_net_file
[ -n "$dns1" ] && echo "DNS=$dns1" >> $_net_file
[ -n "$dns2" ] && echo "DNS=$dns2" >> $_net_file
[ -n "$nameserver" ] && echo "DNS=$nameserver" >> $_net_file
echo '[Address]' >> $_net_file
[ -n "$ip" ] && echo "Address=$ip/${cidr:-24}" >> $_net_file
[ -n "$srv" ] && echo "Peer=$srv" >> $_net_file
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