From 8a5d99f6d2551f33086583644ce7ef6d36d78cac Mon Sep 17 00:00:00 2001
From: Johannes Kirschbauer <hsjobeki@gmail.com>
Date: Wed, 13 Nov 2024 13:52:47 +0100
Subject: [PATCH] Inventory/assertions: add seperate assertion layer

---
 nixosModules/clanCore/default.nix               |  2 +-
 nixosModules/clanCore/inventory/default.nix     |  6 ++++++
 .../clanCore/inventory/implementation.nix       |  6 ++++++
 nixosModules/clanCore/inventory/interface.nix   | 17 +++++++++++++++++
 4 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 nixosModules/clanCore/inventory/default.nix
 create mode 100644 nixosModules/clanCore/inventory/implementation.nix

diff --git a/nixosModules/clanCore/default.nix b/nixosModules/clanCore/default.nix
index 020179a27..e48a50d4b 100644
--- a/nixosModules/clanCore/default.nix
+++ b/nixosModules/clanCore/default.nix
@@ -3,7 +3,7 @@
   imports = [
     ./backups.nix
     ./facts
-    ./inventory/interface.nix
+    ./inventory
     ./manual.nix
     ./meta/interface.nix
     ./metadata.nix
diff --git a/nixosModules/clanCore/inventory/default.nix b/nixosModules/clanCore/inventory/default.nix
new file mode 100644
index 000000000..274989a40
--- /dev/null
+++ b/nixosModules/clanCore/inventory/default.nix
@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./interface.nix
+    ./implementation.nix
+  ];
+}
diff --git a/nixosModules/clanCore/inventory/implementation.nix b/nixosModules/clanCore/inventory/implementation.nix
new file mode 100644
index 000000000..f8ae3e37e
--- /dev/null
+++ b/nixosModules/clanCore/inventory/implementation.nix
@@ -0,0 +1,6 @@
+{ config, ... }:
+{
+  config.assertions = builtins.attrValues (
+    builtins.mapAttrs (_id: value: value // { inherit _id; }) config.clan.inventory.assertions
+  );
+}
diff --git a/nixosModules/clanCore/inventory/interface.nix b/nixosModules/clanCore/inventory/interface.nix
index c625af548..e739f6087 100644
--- a/nixosModules/clanCore/inventory/interface.nix
+++ b/nixosModules/clanCore/inventory/interface.nix
@@ -60,4 +60,21 @@ in
     '';
     type = lib.types.attrsOf (lib.types.attrsOf instanceOptions);
   };
+  options.clan.inventory.assertions = lib.mkOption {
+    default = { };
+    internal = true;
+    type = lib.types.attrsOf (
+      # TODO: use NixOS upstream type
+      lib.types.submodule {
+        options = {
+          assertion = lib.mkOption {
+            type = lib.types.bool;
+          };
+          message = lib.mkOption {
+            type = lib.types.str;
+          };
+        };
+      }
+    );
+  };
 }