From a8e15efa130f94ff6a7ce5de14ca652c84c89572 Mon Sep 17 00:00:00 2001
From: Kalle Struik <kalle@kallestruik.nl>
Date: Wed, 5 Feb 2025 16:19:19 +0100
Subject: [PATCH] Add non managed hosts

---
 config.nix               |  3 +++
 flake.nix                | 14 ++++++++++----
 hosts.nix                |  3 ++-
 hosts/home-assistant.nix | 18 ++++++++++++++++++
 roles/default.nix        |  1 +
 roles/traefik.nix        |  4 +++-
 utils.nix                | 17 +++++++++++++++--
 7 files changed, 52 insertions(+), 8 deletions(-)
 create mode 100644 hosts/home-assistant.nix

diff --git a/config.nix b/config.nix
index 2748b17..9949d67 100644
--- a/config.nix
+++ b/config.nix
@@ -1,4 +1,7 @@
 {
   domain = "staging.kallestruik.nl";
   shortDomain = "khs.li";
+  # Networking
+  defaultDNS = [ "192.168.10.1" ];
+  defaultGateway = "192.168.10.1";
 }
diff --git a/flake.nix b/flake.nix
index 0ebe651..3139cfa 100644
--- a/flake.nix
+++ b/flake.nix
@@ -13,14 +13,20 @@
   outputs =
     { self, nixpkgs, ... }@inputs:
     let
+      lib = nixpkgs.lib;
       outputs = self.outputs;
-      utils = import ./utils.nix { inherit inputs; };
 
       homelabConfig = import ./config.nix;
+      utils = import ./utils.nix { inherit inputs homelabConfig; };
+
       roles = import ./roles { inherit utils; };
       hosts = import ./hosts.nix {
-        inherit homelabConfig roles;
-        lib = nixpkgs.lib;
+        inherit
+          homelabConfig
+          roles
+          utils
+          lib
+          ;
       };
       pkgs = nixpkgs.legacyPackages.x86_64-linux;
     in
@@ -51,7 +57,7 @@
           (utils.mkSystem {
             hostConfig = value;
           })
-        ) hosts);
+        ) (lib.attrsets.filterAttrs (_: host: host.managed) hosts));
       nixosConfigurations = {
         template = nixpkgs.lib.nixosSystem {
           specialArgs = { inherit inputs; };
diff --git a/hosts.nix b/hosts.nix
index b196c5e..699fc17 100644
--- a/hosts.nix
+++ b/hosts.nix
@@ -2,6 +2,7 @@
   roles,
   homelabConfig,
   lib,
+  utils,
   ...
 }:
 lib.attrsets.mapAttrs' (
@@ -15,6 +16,6 @@ lib.attrsets.mapAttrs' (
   in
   {
     name = hostname;
-    value = cfg;
+    value = utils.mkHost cfg;
   }
 ) (builtins.readDir ./hosts)
diff --git a/hosts/home-assistant.nix b/hosts/home-assistant.nix
new file mode 100644
index 0000000..5632f1c
--- /dev/null
+++ b/hosts/home-assistant.nix
@@ -0,0 +1,18 @@
+{
+  hlConfig,
+  ...
+}:
+rec {
+  hostname = "homeassistant";
+  managed = false;
+  ip = "192.168.10.98";
+
+  traefikRoutes = [
+    {
+      name = "${hostname}";
+      rule = "Host(`home.${hlConfig.domain}`)";
+      target = "http://${ip}:8123";
+    }
+  ];
+
+}
diff --git a/roles/default.nix b/roles/default.nix
index 4a921ec..37eab5f 100644
--- a/roles/default.nix
+++ b/roles/default.nix
@@ -1,5 +1,6 @@
 {
   utils,
+  ...
 }:
 {
   sonarr = utils.mkRole (import ./sonarr.nix);
diff --git a/roles/traefik.nix b/roles/traefik.nix
index 64f98d9..094be8e 100644
--- a/roles/traefik.nix
+++ b/roles/traefik.nix
@@ -24,7 +24,7 @@
       config =
         let
           cfg = config.traefik;
-          routes = concatMap (
+          roleRoutes = concatMap (
             hostname:
             concatMap (
               role:
@@ -33,6 +33,8 @@
               }
             ) hosts.${hostname}.roles
           ) (builtins.attrNames hosts);
+          hostRoutes = concatMap (hostname: hosts.${hostname}.traefikRoutes) (builtins.attrNames hosts);
+          routes = roleRoutes ++ hostRoutes;
         in
         {
           networking.firewall.allowedTCPPorts = [
diff --git a/utils.nix b/utils.nix
index 20037c0..9de628f 100644
--- a/utils.nix
+++ b/utils.nix
@@ -1,5 +1,6 @@
 {
   inputs,
+  homelabConfig,
   ...
 }:
 {
@@ -32,9 +33,9 @@
                   prefixLength = 24;
                 }
               ];
-              nameservers = [ "192.168.10.1" ];
+              nameservers = homelabConfig.defaultDNS;
               defaultGateway = {
-                address = "192.168.10.1";
+                address = homelabConfig.defaultGateway;
                 interface = "eth0";
               };
             };
@@ -49,4 +50,16 @@
     inherit (cfg) name description nixosModule;
     traefikRoutes = cfg.traefikRoutes or ({ ... }: [ ]);
   };
+
+  mkHost = cfg: {
+    inherit (cfg)
+      hostname
+      managed
+      ip
+      stateVersion
+      ;
+    traefikRoutes = cfg.traefikRoutes or [ ];
+    roles = cfg.roles or [ ];
+    config = cfg.config or { };
+  };
 }