From 5d2994f470a870607e56e2d832c132672369a94f Mon Sep 17 00:00:00 2001
From: sportshead <me@sportshead.dev>
Date: Wed, 1 Apr 2026 00:29:11 +0800
Subject: [PATCH] nixos/rancher: add nodeExternalIP option to match nodeIP
 option

Relevant docs:
- [k3s](https://docs.k3s.io/cli/agent#networking)
- [rke2](https://docs.rke2.io/reference/server_config#agentnetworking)
---
 nixos/modules/services/cluster/rancher/default.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/nixos/modules/services/cluster/rancher/default.nix b/nixos/modules/services/cluster/rancher/default.nix
index c511da5a62f5..9dd3028614ca 100644
--- a/nixos/modules/services/cluster/rancher/default.nix
+++ b/nixos/modules/services/cluster/rancher/default.nix
@@ -518,6 +518,12 @@ let
           default = null;
         };
 
+        nodeExternalIP = lib.mkOption {
+          type = lib.types.nullOr lib.types.str;
+          description = "IPv4/IPv6 external addresses to advertise for node.";
+          default = null;
+        };
+
         selinux = lib.mkOption {
           type = lib.types.bool;
           description = "Enable SELinux in containerd.";
@@ -936,6 +942,7 @@ let
                 ++ (lib.optionals (cfg.nodeLabel != [ ]) (map (l: "--node-label=${l}") cfg.nodeLabel))
                 ++ (lib.optionals (cfg.nodeTaint != [ ]) (map (t: "--node-taint=${t}") cfg.nodeTaint))
                 ++ (lib.optional (cfg.nodeIP != null) "--node-ip=${cfg.nodeIP}")
+                ++ (lib.optional (cfg.nodeExternalIP != null) "--node-external-ip=${cfg.nodeExternalIP}")
                 ++ (lib.optional cfg.selinux "--selinux")
                 ++ (lib.optional (kubeletParams != { }) "--kubelet-arg=config=${kubeletConfig}")
                 ++ (lib.optional (cfg.extraKubeProxyConfig != { }) "--kube-proxy-arg=config=${kubeProxyConfig}")