clanServices: add flake level exports

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

@@ -0,0 +1,75 @@
+# Wraps all services in one fixed point module
+{
+  lib,
+  config,
+  specialArgs,
+  _ctx,
+  ...
+}:
+let
+  inherit (lib) mkOption types;
+  inherit (types) attrsWith submoduleWith;
+in
+{
+  # TODO: merge these options into clan options
+  options = {
+    exportsModule = mkOption {
+      type = types.deferredModule;
+      readOnly = true;
+    };
+    mappedServices = mkOption {
+      visible = false;
+      type = attrsWith {
+        placeholder = "mappedServiceName";
+        elemType = submoduleWith {
+          modules = [
+            (
+              { name, ... }:
+              {
+                _module.args._ctx = [ name ];
+                _module.args.exports' = config.exports;
+              }
+            )
+            ./service-module.nix
+            #  feature modules
+            (lib.modules.importApply ./api-feature.nix {
+              inherit (specialArgs) clanLib;
+              prefix = _ctx;
+            })
+          ];
+        };
+      };
+      default = { };
+    };
+    exports = mkOption {
+      type = submoduleWith {
+        modules = [
+          {
+            options = {
+              instances = lib.mkOption {
+                # instances.<instanceName>...
+                type = types.attrsOf (submoduleWith {
+                  modules = [
+                    config.exportsModule
+                  ];
+                });
+              };
+              # instances.<machineName>...
+              machines = lib.mkOption {
+                type = types.attrsOf (submoduleWith {
+                  modules = [
+                    config.exportsModule
+                  ];
+                });
+              };
+            };
+          }
+        ] ++ lib.mapAttrsToList (_: service: service.exports) config.mappedServices;
+      };
+      default = { };
+    };
+    debug = mkOption {
+      default = lib.mapAttrsToList (_: service: service.exports) config.mappedServices;
+    };
+  };
+}