Merge pull request 'Inventory/tags: init {nixos,darwin} tags' (#3370) from hsjobeki/clan-core:tags-2 into main

Reviewed-on: https://git.clan.lol/clan/clan-core/pulls/3370

lib/build-clan/computed-tags.nix

@@ -1,33 +1,23 @@
 {
-  config,
   lib,
   ...
 }:
 {
-  config.inventory = {
+  # Add the computed tags to machine tags for displaying them
+  inventory = {
     tags = (
       { machines, ... }:
       {
         # Only compute the default value
         # The option MUST be defined in ./build-inventory/interface.nix
         all = lib.mkDefault (builtins.attrNames machines);
+        nixos = lib.mkDefault (
+          builtins.attrNames (lib.filterAttrs (_n: m: m.machineClass == "nixos") machines)
+        );
+        darwin = lib.mkDefault (
+          builtins.attrNames (lib.filterAttrs (_n: m: m.machineClass == "darwin") machines)
+        );
       }
     );
   };
-  # Add the computed tags to machine tags for displaying them
-  options.inventory = {
-    machines = lib.mkOption {
-      type = lib.types.attrsOf (
-        lib.types.submodule (
-          # 'name' is the machines attribute-name
-          { name, ... }:
-          {
-            tags = builtins.attrNames (
-              lib.filterAttrs (_t: tagMembers: builtins.elem name tagMembers) config.inventory.tags
-            );
-          }
-        )
-      );
-    };
-  };
 }

lib/inventory/build-inventory/interface.nix

@@ -223,6 +223,32 @@ in
                       ```
                 '';
               };
+              nixos = lib.mkOption {
+                type = with lib.types; listOf str;
+                defaultText = "[ <All NixOS Machines> ]";
+                description = ''
+                  !!! example "Predefined Tag"
+
+                      Will be added to all machines that set `machineClass = "darwin"`
+
+                      ```nix
+                      inventory.machines.machineA.tags = [ "nixos" ];
+                      ```
+                '';
+              };
+              darwin = lib.mkOption {
+                type = with lib.types; listOf str;
+                defaultText = "[ <All Darwin Machines> ]";
+                description = ''
+                  !!! example "Predefined Tag"
+
+                      Will be added to all machines that set `machineClass = "darwin"`
+
+                      ```nix
+                      inventory.machines.machineA.tags = [ "darwin" ];
+                      ```
+                '';
+              };
             };
           }
         ];
@@ -236,8 +262,19 @@ in
         Each machine declared here can be referencd via its `attributeName` by the `inventory.service`s `roles`.
       '';
       default = { };
-      type = types.attrsOf (
+      type = types.lazyAttrsOf (
-        types.submodule (
+        types.submoduleWith ({
+          modules = [
+            (
+              { name, ... }:
+              {
+                tags = builtins.attrNames (
+                  # config.tags
+                  lib.filterAttrs (_t: tagMembers: builtins.elem name tagMembers) config.tags
+                );
+              }
+            )
+            (
               { name, ... }:
               {
                 options = {
@@ -288,6 +325,8 @@ in
                 };
               }
             )
+          ];
+        })
       );
     };
 

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

@@ -8,12 +8,18 @@ let
     evalModules
     ;
 
+  # TODO: Use makeTestClan
   evalInventory =
     m:
     (evalModules {
       # Static modules
       modules = [
         clanLib.inventory.interface
+        {
+          tags.all = [ ];
+          tags.nixos = [ ];
+          tags.darwin = [ ];
+        }
         {
           modules.test = { };
         }