Create a debugging role.

nix/kubernetes/roles/etcd/default.nix

@@ -97,14 +97,5 @@
 
     users.users.etcd.uid = 10016;
     users.groups.etcd.gid = 10016;
-
-    environment.systemPackages = with pkgs; [
-      net-tools # for debugging
-      tcpdump
-      e2fsprogs # mkfs.ext4
-      gptfdisk # cgdisk
-    ];
-    networking.firewall.enable = false; # TODO: This is just here for debugging / initial development.
-    # TODO: Maybe use networking.nftables.enable to switch to nftables?
   };
 }