create custom nixos module for k8s nfs volumes

kubenix-modules/custom/ingress.nix

@@ -27,7 +27,6 @@ in
   options = {
     lab.ingresses = lib.mkOption {
       type = with lib.types; attrsOf (submodule ingressOpts);
-
       default = { };
     };
   };

kubenix-modules/custom/nfs-volume.nix

@@ -0,0 +1,47 @@
+{ lib, config, ... }:
+let
+  nfsVolumeOpts = { name, ... }: {
+    options = {
+      path = lib.mkOption {
+        type = lib.types.str;
+      };
+    };
+  };
+in
+{
+  options = {
+    lab.nfsVolumes = lib.mkOption {
+      type = with lib.types; attrsOf (submodule nfsVolumeOpts);
+      default = { };
+    };
+  };
+
+  config = {
+    kubernetes.resources = {
+      persistentVolumes = builtins.mapAttrs
+        (name: nfsVolume: {
+          spec = {
+            capacity.storage = "1Mi";
+            accessModes = [ "ReadWriteMany" ];
+
+            nfs = {
+              server = "lewis.dmz";
+              path = "/mnt/data/nfs/${nfsVolume.path}";
+            };
+          };
+        })
+        config.lab.nfsVolumes;
+
+      persistentVolumeClaims = builtins.mapAttrs
+        (name: nfsVolume: {
+          spec = {
+            accessModes = [ "ReadWriteMany" ];
+            storageClassName = "";
+            resources.requests.storage = "1Mi";
+            volumeName = name;
+          };
+        })
+        config.lab.nfsVolumes;
+    };
+  };
+}