build-inventory: move inventory and inventoryClass into explizitly different folders

lib/modules/inventoryClass/builder/interface.nix

@@ -0,0 +1,91 @@
+{ lib, ... }:
+let
+  inherit (lib) types mkOption;
+  submodule = m: types.submoduleWith { modules = [ m ]; };
+
+in
+{
+  options = {
+    directory = mkOption {
+      type = types.path;
+    };
+    distributedServices = mkOption {
+      type = types.raw;
+    };
+    inventory = mkOption {
+      type = types.raw;
+    };
+    machines = mkOption {
+      type = types.attrsOf (
+        submodule (
+          { name, ... }:
+          let
+            machineName = name;
+          in
+          {
+            options = {
+              compiledMachine = mkOption {
+                type = types.raw;
+              };
+              compiledServices = mkOption {
+                # type = types.attrsOf;
+                type = types.attrsOf (
+                  types.submoduleWith {
+                    modules = [
+                      (
+                        { name, ... }:
+                        let
+                          serviceName = name;
+                        in
+                        {
+                          options = {
+                            machineName = mkOption {
+                              default = machineName;
+                              readOnly = true;
+                            };
+                            serviceName = mkOption {
+                              default = serviceName;
+                              readOnly = true;
+                            };
+                            # Outputs
+                            machineImports = mkOption {
+                              type = types.listOf types.raw;
+                            };
+                            supportedRoles = mkOption {
+                              type = types.listOf types.str;
+                            };
+                            matchedRoles = mkOption {
+                              type = types.listOf types.str;
+                            };
+                            machinesRoles = mkOption {
+                              type = types.attrsOf (types.listOf types.str);
+                            };
+                            resolvedRolesPerInstance = mkOption {
+                              type = types.attrsOf (
+                                types.attrsOf (submodule {
+                                  options.machines = mkOption {
+                                    type = types.listOf types.str;
+                                  };
+                                })
+                              );
+                            };
+                            assertions = mkOption {
+                              type = types.attrsOf types.raw;
+                            };
+                          };
+                        }
+                      )
+                    ];
+                  }
+                );
+              };
+              machineImports = mkOption {
+                type = types.listOf types.raw;
+              };
+            };
+          }
+        )
+      );
+    };
+  };
+}