[NixOS] Get kubelet partially working

nixos/kubelet.nix

@@ -0,0 +1,21 @@
+{ config, pkgs, makeEnable, ... }:
+makeEnable config "myModules.kubelet" false {
+  age.secrets."api_service_account_key.json.age".file = ./secrets/api_service_account_key.json.age;
+  services.kubernetes.kubelet = {
+    enable = true;
+    kubeconfig = {
+      server = "https://34.31.205.230";
+      caFile = ./railbird-kubernetes.crt;
+      keyFile = config.age.secrets."api_service_account_key.json.age".path;
+    };
+    registerNode = true;
+    cni = {
+      packages = [ pkgs.cni-plugins ];
+    };
+    extraOpts = ''
+      --fail-swap-on=false
+      --container-runtime=remote
+      --container-runtime-endpoint=unix:///run/containerd/containerd.sock
+    '';
+  };
+}