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fix: auto-detect kube-vip interface and tighten SSH fallback
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This commit is contained in:
MichaelFisher1997
2026-03-01 17:34:09 +00:00
parent 88db11292d
commit 7ec1ce92cf
2 changed files with 24 additions and 0 deletions
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18
nixos/kubeadm/modules/k8s-common.nix
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@@ -101,6 +101,15 @@ in
set -euo pipefail
iface="${config.terrahome.kubeadm.controlPlaneInterface}"
if ! ip link show "$iface" >/dev/null 2>&1; then
iface="$(ip -o -4 route show to default | awk 'NR==1 {print $5}')"
fi
if [ -z "''${iface:-}" ]; then
echo "Could not determine network interface for kube-vip"
exit 1
fi
suffix="${toString config.terrahome.kubeadm.controlPlaneVipSuffix}"
pod_subnet="${config.terrahome.kubeadm.podSubnet}"
service_subnet="${config.terrahome.kubeadm.serviceSubnet}"
@@ -155,6 +164,15 @@ in
fi
iface="${config.terrahome.kubeadm.controlPlaneInterface}"
if ! ip link show "$iface" >/dev/null 2>&1; then
iface="$(ip -o -4 route show to default | awk 'NR==1 {print $5}')"
fi
if [ -z "''${iface:-}" ]; then
echo "Could not determine network interface for kube-vip"
exit 1
fi
suffix="${toString config.terrahome.kubeadm.controlPlaneVipSuffix}"
local_ip_cidr=$(ip -4 -o addr show dev "$iface" | awk 'NR==1 {print $4}')
if [ -z "''${local_ip_cidr:-}" ]; then