From 98f20775683d70003fd1dbe28bacf074d9ff1601 Mon Sep 17 00:00:00 2001
From: Tom Hubrecht <tom@hubrecht.ovh>
Date: Sun, 23 Jul 2023 21:46:53 +0200
Subject: [PATCH] machines: Add boilerplate for enabling modules and services

---
 lib/trivial.nix                       |  5 ++++
 machines/compute01/_configuration.nix | 27 ++++++++++++++++++----
 machines/storage01/_configuration.nix | 28 ++++++++++++++++++-----
 machines/web01/_configuration.nix     | 33 +++++++++++++++++----------
 4 files changed, 71 insertions(+), 22 deletions(-)

diff --git a/lib/trivial.nix b/lib/trivial.nix
index 075a99f..cd848c0 100644
--- a/lib/trivial.nix
+++ b/lib/trivial.nix
@@ -25,6 +25,11 @@ rec {
   */
   singleAttr = name: value: { ${name} = value; };
 
+  /* Enables a list of modules. */
+  enableAttrs' = enable: mapFuse (m: { ${m}.${enable} = true; });
+
+  enableModules = enableAttrs' "enable";
+
   mapSingleFuse = f: mapFuse (x: singleAttr x (f x));
 
   setDefault = default: mapFuse (name: { ${name} = default; });
diff --git a/machines/compute01/_configuration.nix b/machines/compute01/_configuration.nix
index 6f592f2..c9c4f3d 100644
--- a/machines/compute01/_configuration.nix
+++ b/machines/compute01/_configuration.nix
@@ -1,6 +1,25 @@
-{ ... }:
+{ dgn-lib, ... }:
 
-{
-  dgn-dns.enable = true;
+let
+  inherit (dgn-lib)
+    enableModules
+    mkImports
+    recursiveFuse;
 
-}
+  # List of modules to enable
+  enabledModules = [
+    "dgn-dns"
+  ];
+
+  # List of services to enable
+  enabledServices = [
+  ];
+in
+
+recursiveFuse [
+  (enableModules enabledModules)
+
+  {
+    imports = mkImports ./. enabledServices;
+  }
+]
diff --git a/machines/storage01/_configuration.nix b/machines/storage01/_configuration.nix
index 81428ad..f9ff469 100644
--- a/machines/storage01/_configuration.nix
+++ b/machines/storage01/_configuration.nix
@@ -1,8 +1,24 @@
-# Edit this configuration file to define what should be installed on
-# your system.  Help is available in the configuration.nix(5) man page
-# and in the NixOS manual (accessible by running `nixos-help`).
+{ dgn-lib, ... }:
 
-{ config, pkgs, ... }:
+let
+  inherit (dgn-lib)
+    enableModules
+    mkImports
+    recursiveFuse;
 
-{
-}
+  # List of modules to enable
+  enabledModules = [
+  ];
+
+  # List of services to enable
+  enabledServices = [
+  ];
+in
+
+recursiveFuse [
+  (enableModules enabledModules)
+
+  {
+    imports = mkImports ./. enabledServices;
+  }
+]
diff --git a/machines/web01/_configuration.nix b/machines/web01/_configuration.nix
index b1ee27a..2410d92 100644
--- a/machines/web01/_configuration.nix
+++ b/machines/web01/_configuration.nix
@@ -1,17 +1,26 @@
-# Edit this configuration file to define what should be installed on
-# your system.  Help is available in the configuration.nix(5) man page
-# and in the NixOS manual (accessible by running ‘nixos-help’).
+{ dgn-lib, ... }:
 
-{ name, ... }:
+let
+  inherit (dgn-lib)
+    enableModules
+    mkImports
+    recursiveFuse;
 
-{
-  imports =
-    [
-      ./plausible.nix
-      # ./wordpress
-    ];
+  # List of modules to enable
+  enabledModules = [
+  ];
 
-  networking.hostName = name;
+  # List of services to enable
+  enabledServices = [
+    "plausible"
+    # "wordpress"
+  ];
+in
 
+recursiveFuse [
+  (enableModules enabledModules)
 
-}
+  {
+    imports = mkImports ./. enabledServices;
+  }
+]