Module for common functions

modules/utils/helper-functions.nix

@@ -0,0 +1,42 @@
+# helpers.nix
+{ lib, config, ... }:
+
+let
+  # Function to add containers to a pod
+  addContainerToPod =
+    podName: containerSet:
+    let
+      modifyContainer =
+        container:
+        let
+          containerWithoutEnable = builtins.removeAttrs container [ "enable" ];
+          updatedExtraOptions = (container.extraOptions or [ ]) ++ [ "--pod=${podName}" ];
+        in
+        containerWithoutEnable // { extraOptions = updatedExtraOptions; };
+    in
+    builtins.mapAttrs (name: modifyContainer) containerSet;
+
+  # Function to process all containers in a structure
+  processContainers =
+    structure: structure // { containers = addContainerToPod structure.name structure.containers; };
+in
+{
+  options.helpers = {
+    addContainerToPod = lib.mkOption {
+      type = lib.types.anything;
+      default = null;
+      description = "Function to add a container to a pod.";
+    };
+    processContainers = lib.mkOption {
+      type = lib.types.anything;
+      default = null;
+      description = "Function to process all containers in a structure.";
+    };
+  };
+
+  config = {
+    # Expose the helper functions
+    helpers.addContainerToPod = addContainerToPod;
+    helpers.processContainers = processContainers;
+  };
+}