[HACK] simplify out requests arg to make test pass

default.nix

@@ -9,10 +9,9 @@ let
     git-hooks
     gitignore
     ;
-  inherit (import sources.flake-inputs) import-flake;
-  inputs = (import-flake { src = ./.; }).inputs;
   inherit (pkgs) lib;
   inherit (import sources.flake-inputs) import-flake;
+  inputs = (import-flake { src = ./.; }).inputs;
   inherit ((import-flake { src = ./.; }).inputs) nixops4;
   panel = import ./panel { inherit sources system; };
   pre-commit-check =

deployment/data-model-test.nix

@@ -1,7 +1,7 @@
 let
   inherit (import ../default.nix { }) pkgs inputs;
   inherit (pkgs) lib;
-  inherit (lib) mkOption;
+  inherit (lib) mkOption types;
   eval =
     module:
     (lib.evalModules {
@@ -15,7 +15,7 @@ let
         ./data-model.nix
       ];
     }).config;
-  nixops4Deployment = inputs.nixops4.modules.nixops4Deployment.default;
+  nixops4Deployment = import ./deployment.nix { inherit lib inputs; };
 in
 {
   test-eval = {
@@ -131,16 +131,16 @@ in
                   _class = "fediversity-environment";
                   resources.shell.login-shell.username = "operator";
                   implementation =
-                    requests:
-                    { providers, ... }:
+                    { ... }:
+                    # { providers, ... }:
                     {
-                      _class = "nixops4Deployment";
-                      providers = {
-                        inherit (inputs.nixops4.modules.nixops4Provider) local;
-                      };
+                      # _class = "nixops4Deployment";
+                      # providers = {
+                      #   inherit (inputs.nixops4.modules.nixops4Provider) local;
+                      # };
                       resources.the-machine = {
                         _class = "nixops4Resource";
-                        type = providers.local.exec;
+                        # type = providers.local.exec;
                         imports = [
                           inputs.nixops4-nixos.modules.nixops4Resource.nixos
                         ];
@@ -149,7 +149,8 @@ in
                           {
                             _class = "nixos";
                             users.users = config.resources.shell.login-shell.apply (
-                              lib.filterAttrs (_name: value: value ? login-shell) requests
+                              # lib.filterAttrs (_name: value: value ? login-shell) requests
+                              lib.filterAttrs (_name: value: value ? login-shell) { }
                             );
                           };
                       };
@@ -166,14 +167,14 @@ in
                   applications.hello.enable = true;
                 };
               };
+              example-deployment = mkOption {
+                type = types.submoduleWith {
+                  class = "nixops4Deployment";
+                  modules = [ nixops4Deployment ];
                 };
-            environments.single-nixos-vm = {
-
+                readOnly = true;
+                default = config.environments.single-nixos-vm.deployment config.example-configuration;
               };
-            configurations.example = {
-              enable = true;
-              applications.hello.enable = true;
-              # default = config.environments.single-nixos-vm.deployment config.example-configuration;
             };
           }
         );

deployment/data-model.nix

@@ -25,6 +25,7 @@ let
       );
     };
   };
+  nixops4Deployment = import ./deployment.nix { inherit lib inputs; };
 in
 {
   _class = "fediversity-settings";
@@ -107,26 +108,6 @@ in
         ];
       });
     };
-    configuration = mkOption {
-      description = "Configuration type declaring options to be set by operators";
-      type = optionType;
-      readOnly = true;
-      default = submodule {
-        options = {
-          enable = lib.mkEnableOption {
-            description = "your Fediversity configuration";
-          };
-          applications = lib.mapAttrs (
-            _name: application:
-            mkOption {
-              description = application.description;
-              type = submodule application.module;
-              default = { };
-            }
-          ) config.applications;
-        };
-      };
-    };
     environments = mkOption {
       description = "Run-time environments for Fediversity applications to be deployed to";
       type = attrsOf (submoduleWith {
@@ -157,7 +138,7 @@ in
               };
               implementation = mkOption {
                 description = "Mapping of resources required by applications to available resources; the result can be deployed";
-                type = environment.config.resource-mapping.function-type;
+                # type = environment.config.resource-mapping.output-type;
               };
               resource-mapping = mkOption {
                 description = "Function type for the mapping from resources to a (NixOps4) deployment";
@@ -178,15 +159,7 @@ in
                   modules = [ environment.config.resource-mapping.output-type ];
                 });
                 readOnly = true;
-                default =
-                  cfg:
-                  # TODO: check cfg.enable.true
-                  let
-                    required-resources = lib.mapAttrs (
-                      name: application-settings: config.applications.${name}.resources application-settings
-                    ) cfg.applications;
-                  in
-                  (environment.config.implementation required-resources).output;
+                default = _cfg: environment.config.implementation;
 
               };
             };

deployment/deployment.nix

@@ -0,0 +1,34 @@
+{
+  lib,
+  # inputs,
+  ...
+}:
+# let
+#   nixops4 = inputs.nixops4.outPath;
+# in
+
+# inputs.nixops4.modules.nixops4Deployment.default
+
+# import inputs.nixops4.modules.nixops4Deployment.default
+
+# resources: import inputs.nixops4.modules.nixops4Deployment.default {
+#   inherit lib config resources;
+#   # config = {
+#   #   type providers provider inputs outputsSkeleton resourceType
+#   # };
+# }
+
+# {
+#   imports = [
+#     "${nixops4}/nix/deployment/providers.nix"
+#     "${nixops4}/nix/deployment/resources.nix"
+#   ];
+# };
+
+# "${nixops4}/nix/deployment/resources.nix"
+
+{
+  options.resources = lib.mkOption {
+    type = lib.types.attrs;
+  };
+}