From c66a19a93712bd7799ff1c9c6bfeda5810dc6fc5 Mon Sep 17 00:00:00 2001
From: Khue Doan <mail@khuedoan.com>
Date: Wed, 27 Aug 2025 20:21:32 +0700
Subject: [PATCH] feat(nixos): read host IP from generated files

---
 infra/_modules/nixos/configuration.nix |  3 ---
 infra/_modules/nixos/flake.nix         | 36 ++++++++++++--------------
 infra/_modules/nixos/hosts.json        |  2 +-
 3 files changed, 18 insertions(+), 23 deletions(-)

diff --git a/infra/_modules/nixos/configuration.nix b/infra/_modules/nixos/configuration.nix
index 8517e90..da82bbe 100644
--- a/infra/_modules/nixos/configuration.nix
+++ b/infra/_modules/nixos/configuration.nix
@@ -1,8 +1,5 @@
 { modulesPath, ... }:
 
-let
-  hosts = builtins.fromJSON (builtins.readFile ./hosts.json);
-in
 {
   imports = [
     (modulesPath + "/profiles/all-hardware.nix")
diff --git a/infra/_modules/nixos/flake.nix b/infra/_modules/nixos/flake.nix
index 6a973fb..113c9f0 100644
--- a/infra/_modules/nixos/flake.nix
+++ b/infra/_modules/nixos/flake.nix
@@ -7,7 +7,11 @@
     };
   };
   outputs = { nixpkgs, disko, ... }: {
-    nixosConfigurations = {
+    nixosConfigurations =
+      let
+        hosts = builtins.fromJSON (builtins.readFile ./hosts.json);
+      in
+      {
       nixos = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
         modules = [
@@ -16,15 +20,6 @@
           ./disks.nix
         ];
       };
-      devbox = nixpkgs.lib.nixosSystem {
-        system = "x86_64-linux";
-        modules = [
-          disko.nixosModules.disko
-          ./configuration.nix
-          ./disks.nix
-          ./profiles/devbox.nix
-        ];
-      };
       kube-1 = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
         modules = [
@@ -32,6 +27,10 @@
           ./configuration.nix
           ./disks.nix
           ./profiles/k3s.nix
+          {
+            networking.hostName = "kube-1";
+            services.k3s.clusterInit = true;
+          }
         ];
       };
       kube-2 = nixpkgs.lib.nixosSystem {
@@ -41,6 +40,10 @@
           ./configuration.nix
           ./disks.nix
           ./profiles/k3s.nix
+          {
+            networking.hostName = "kube-2";
+            services.k3s.serverAddr = hosts.kube-1.ipv6_address;
+          }
         ];
       };
       kube-3 = nixpkgs.lib.nixosSystem {
@@ -50,15 +53,10 @@
           ./configuration.nix
           ./disks.nix
           ./profiles/k3s.nix
-        ];
-      };
-      k3s-arm = nixpkgs.lib.nixosSystem {
-        system = "aarch64-linux";
-        modules = [
-          disko.nixosModules.disko
-          ./configuration.nix
-          ./disks.nix
-          ./profiles/k3s.nix
+          {
+            networking.hostName = "kube-3";
+            services.k3s.serverAddr = hosts.kube-1.ipv6_address;
+          }
         ];
       };
     };
diff --git a/infra/_modules/nixos/hosts.json b/infra/_modules/nixos/hosts.json
index 49cba8a..c2841b0 100644
--- a/infra/_modules/nixos/hosts.json
+++ b/infra/_modules/nixos/hosts.json
@@ -1 +1 @@
-{"kube-1":{"ipv6_address":"2402:800:63e2:5af5:57e2:ac2e:7bfa:b4ee"},"kube-2":{"ipv6_address":"2402:800:63e2:5af5:2eb2:b07e:ced0:5d7f"},"kube-3":{"ipv6_address":"2402:800:63e2:5af5:a811:9da5:775e:addc"}}
\ No newline at end of file
+{"kube-1":{"ipv6_address":"2402:800:63e2:5af5:68d0:b3c2:b44:71cc"},"kube-2":{"ipv6_address":"2402:800:63e2:5af5:19a6:50a1:765a:e396"},"kube-3":{"ipv6_address":"2402:800:63e2:5af5:3646:e232:b1cd:c96a"}}
\ No newline at end of file
-- 
2.51.2