deploy: move logic to lib

flake.nix

@@ -40,9 +40,9 @@
     }:
     let
       inherit (utils.lib) eachDefaultSystem flattenTreeSystem;
-      inherit (nixos.lib) recursiveUpdate mapAttrs;
+      inherit (nixos.lib) recursiveUpdate;
       inherit (self.lib) overlays nixosModules genPackages genPkgs
-        genHomeActivationPackages;
+        genHomeActivationPackages mkNodes;
 
       extern = import ./extern { inherit inputs; };
 
@@ -72,16 +72,7 @@
 
           defaultTemplate = self.templates.flk;
 
-          deploy.nodes = mapAttrs
-            (_: config: {
-              hostname = config.config.networking.hostName;
-
-              profiles.system = {
-                user = "root";
-                path = deploy.lib.x86_64-linux.activate.nixos config;
-              };
-            })
-            self.nixosConfigurations;
+          deploy.nodes = mkNodes deploy self.nixosConfigurations;
 
           checks = builtins.mapAttrs
             (system: deployLib: deployLib.deployChecks self.deploy)

lib/default.nix

@@ -42,6 +42,21 @@ let
     in
     map fullPath (attrNames (readDir overlayDir));
 
+  /**
+  Synopsis: mkNodes _nixosConfigurations_
+
+  Generate the `nodes` attribute expected by deploy-rs
+  where _nixosConfigurations_ are `nodes`.
+  **/
+  mkNodes = deploy: mapAttrs (_: config: {
+    hostname = config.config.networking.hostName;
+
+    profiles.system = {
+      user = "root";
+      path = deploy.lib.x86_64-linux.activate.nixos config;
+    };
+  });
+
   /**
   Synopsis: importDefaults _path_
 
@@ -72,7 +87,7 @@ let
 in
 {
   inherit importDefaults mapFilterAttrs genAttrs' pkgImport
-    pathsToImportedAttrs;
+    pathsToImportedAttrs mkNodes;
 
   overlays = pathsToImportedAttrs overlayPaths;