{ customUtils, lib, config, hostName, pkgs, ... }:
{
  config = {
    programs.ssh.knownHosts = lib.zipAttrsWith (_name: values: builtins.head values) (lib.mapAttrsToList (name: lib.mapAttrs' (type: value: lib.nameValuePair "${name}-${type}" value)) (customUtils.nixImport { dir = ./known-hosts; }));

    systemd.user.services."ssh-agent".enable = lib.mkForce false; # ssh-agent should be done via home-manager

    services.openssh = lib.mkIf config.services.openssh.enable {
      hostKeys = [
        { path = "/etc/ssh/ssh_host_rsa_key";
          type = "rsa";
        }
        { path = "/etc/ssh/ssh_host_ed25519_key";
          type = "ed25519";
        }
      ];
    };

    sops.secrets = lib.mkIf config.services.openssh.enable {
      ssh_host_rsa_key = {
          key = "rsa";
          path = "/etc/ssh/ssh_host_rsa_key";
          sopsFile = ./host-keys + "/${hostName}.yaml";
      };
      ssh_host_ed25519_key = {
          key = "ed25519";
          path = "/etc/ssh/ssh_host_ed25519_key";
          sopsFile = ./host-keys + "/${hostName}.yaml";
      };
    };

    environment.etc = lib.mkIf config.services.openssh.enable {
      "ssh/ssh_host_rsa_key.pub".text = config.services.openssh.knownHosts."${hostName}-rsa".publicKey;
      "ssh/ssh_host_ed25519_key.pub".text = config.services.openssh.knownHosts."${hostName}-ed25519".publicKey;
    };

    environment.systemPackages = lib.mkIf config.services.openssh.enable (with pkgs; [
      rxvt_unicode.terminfo
    ]);
  };
}