Merge pull request 'services: fix extraModules as path' (#4422) from fix-extra-modules into main

Reviewed-on: https://git.clan.lol/clan/clan-core/pulls/4422

lib/modules/clan/module.nix

@@ -247,7 +247,7 @@ in
               {
                 distributedServices = clanLib.inventory.mapInstances {
                   inherit (clanConfig) inventory exportsModule;
-                  inherit flakeInputs;
+                  inherit flakeInputs directory;
                   clanCoreModules = clan-core.clan.modules;
                   prefix = [ "distributedServices" ];
                 };

lib/modules/inventory/distributed-service/all-services-wrapper.nix

@@ -1,4 +1,8 @@
 # Wraps all services in one fixed point module
+{
+  # TODO: consume directly from clan.config
+  directory,
+}:
 {
   lib,
   config,
@@ -29,6 +33,8 @@ in
               {
                 _module.args._ctx = [ name ];
                 _module.args.exports' = config.exports;
+                _module.args.directory = directory;
+
               }
             )
             ./service-module.nix
@@ -71,8 +77,5 @@ in
       };
       default = { };
     };
-    debug = mkOption {
-      default = lib.mapAttrsToList (_: service: service.exports) config.mappedServices;
-    };
   };
 }

lib/modules/inventory/distributed-service/inventory-adapter.nix

@@ -24,6 +24,7 @@ in
       flakeInputs,
       # The clan inventory
       inventory,
+      directory,
       clanCoreModules,
       prefix ? [ ],
       exportsModule,
@@ -128,7 +129,7 @@ in
             _ctx = prefix;
           };
           modules = [
-            ./all-services-wrapper.nix
+            (import ./all-services-wrapper.nix { inherit directory; })
           ] ++ modules;
         };
 

lib/modules/inventory/distributed-service/service-module.nix

@@ -2,6 +2,7 @@
   lib,
   config,
   _ctx,
+  directory,
   ...
 }:
 let
@@ -212,7 +213,7 @@ in
 
                           options.extraModules = lib.mkOption {
                             default = [ ];
-                            type = types.listOf (types.deferredModule);
+                            type = types.listOf (types.either types.deferredModule types.str);
                           };
                         })
                       ];
@@ -755,10 +756,14 @@ in
             instanceRes
             // {
               nixosModule = {
-                imports = [
-                  # Result of the applied 'perInstance = {...}: {  nixosModule = { ... }; }'
-                  instanceRes.nixosModule
-                ] ++ instanceCfg.roles.${roleName}.extraModules;
+                imports =
+                  [
+                    # Result of the applied 'perInstance = {...}: {  nixosModule = { ... }; }'
+                    instanceRes.nixosModule
+                  ]
+                  ++ (map (
+                    s: if builtins.typeOf s == "string" then "${directory}/${s}" else s
+                  ) instanceCfg.roles.${roleName}.extraModules);
               };
             }
 

lib/modules/inventory/distributed-service/tests/default.nix

@@ -45,6 +45,7 @@ let
       };
     in
     clanLib.inventory.mapInstances {
+      directory = ./.;
       clanCoreModules = { };
       flakeInputs = flakeInputsFixture;
       inherit inventory;
@@ -52,6 +53,7 @@ let
     };
 in
 {
+  extraModules = import ./extraModules.nix { inherit clanLib; };
   exports = import ./exports.nix { inherit lib clanLib; };
   resolve_module_spec = import ./import_module_spec.nix { inherit lib callInventoryAdapter; };
   test_simple =

lib/modules/inventory/distributed-service/tests/extraModules.nix

@@ -0,0 +1,33 @@
+{ clanLib }:
+let
+  clan = clanLib.clan {
+    self = { };
+    directory = ./.;
+
+    machines.jon = {
+      nixpkgs.hostPlatform = "x86_64-linux";
+
+    };
+    # A module that adds exports perMachine
+    modules.A = {
+      manifest.name = "A";
+      roles.peer = { };
+    };
+
+    inventory = {
+      instances.A = {
+        module.input = "self";
+        roles.peer.tags.all = { };
+
+        roles.peer.extraModules = [ ./oneOption.nix ];
+      };
+    };
+  };
+in
+{
+  test_1 = {
+    inherit clan;
+    expr = clan.config.nixosConfigurations.jon.config.testDebug;
+    expected = 42;
+  };
+}

lib/modules/inventory/distributed-service/tests/oneOption.nix

@@ -0,0 +1,6 @@
+{ lib, ... }:
+{
+  options.testDebug = lib.mkOption {
+    default = 42;
+  };
+}