From 66ddf84c33620c69bbb6be6b86252c7b4ce0460d Mon Sep 17 00:00:00 2001
From: Alexandru Scvortov <code@scvalex.net>
Date: Thu, 19 Dec 2024 16:48:06 +0000
Subject: [PATCH] kubernetes: kubelet.extraConfig should be `attrsOf json.type`

---
 nixos/modules/services/cluster/kubernetes/kubelet.nix | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/services/cluster/kubernetes/kubelet.nix b/nixos/modules/services/cluster/kubernetes/kubelet.nix
index 98f601d8886e0..aa759e20f49fc 100644
--- a/nixos/modules/services/cluster/kubernetes/kubelet.nix
+++ b/nixos/modules/services/cluster/kubernetes/kubelet.nix
@@ -205,9 +205,14 @@ in
     };
 
     extraConfig = mkOption {
-      description = "Kubernetes kubelet extra configuration file entries.";
+      description = ''
+        Kubernetes kubelet extra configuration file entries.
+
+        See also [Set Kubelet Parameters Via A Configuration File](https://kubernetes.io/docs/tasks/administer-cluster/kubelet-config-file/)
+        and [Kubelet Configuration](https://kubernetes.io/docs/reference/config-api/kubelet-config.v1beta1/).
+      '';
       default = { };
-      type = attrsOf attrs;
+      type = attrsOf ((pkgs.formats.json { }).type);
     };
 
     featureGates = mkOption {