add zed, ollama, kubernetes

modules/kubernetes.nix

@@ -0,0 +1,78 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+{
+  options = {
+    services.kubernetes = {
+      enable = lib.mkOption {
+        type = lib.types.bool;
+        default = false;
+        description = "Whether to enable Kubernetes services";
+      };
+
+      version = lib.mkOption {
+        type = lib.types.str;
+        default = "1.28.0";
+        description = "Kubernetes version to use";
+      };
+
+      clusterName = lib.mkOption {
+        type = lib.types.str;
+        default = "palatine-hill-cluster";
+        description = "Name of the Kubernetes cluster";
+      };
+
+      controlPlaneEndpoint = lib.mkOption {
+        type = lib.types.str;
+        default = "localhost:6443";
+        description = "Control plane endpoint";
+      };
+
+      networking = lib.mkOption {
+        type = lib.types.attrs;
+        default = { };
+        description = "Kubernetes networking configuration";
+      };
+    };
+  };
+
+  config = lib.mkIf config.services.kubernetes.enable {
+    environment.systemPackages = with pkgs; [
+      kubectl
+      kubernetes
+    ];
+
+    # Enable containerd for Kubernetes
+    virtualisation.containerd.enable = true;
+
+    # Enable kubelet
+    services.kubelet = {
+      enable = true;
+      extraFlags = {
+        "pod-infra-container-image" = "registry.k8s.io/pause:3.9";
+      };
+    };
+
+    # Enable kubeadm for cluster initialization
+    environment.etc."kubeadm.yaml".text = ''
+      apiVersion: kubeadm.k8s.io/v1beta3
+      kind: InitConfiguration
+      localAPIEndpoint:
+        advertiseAddress: 127.0.0.1
+        bindPort: 6443
+      ---
+      apiVersion: kubeadm.k8s.io/v1beta3
+      kind: ClusterConfiguration
+      clusterName: ${config.services.kubernetes.clusterName}
+      controlPlaneEndpoint: ${config.services.kubernetes.controlPlaneEndpoint}
+      networking:
+        serviceSubnet: 10.96.0.0/12
+        podSubnet: 10.244.0.0/16
+        dnsDomain: cluster.local
+    '';
+  };
+}