chore: refactor system modules

system/services/default.nix

@@ -0,0 +1,9 @@
+{
+  imports = [
+    ./endlessh.nix
+    ./fwupd.nix
+    ./printing.nix
+    ./ssh.nix
+    ./sunshine.nix
+  ];
+}

system/services/endlessh.nix

@@ -0,0 +1,21 @@
+{
+  config,
+  lib,
+  ...
+}:
+with lib; let
+  cfg = config.system.services.endlessh;
+in {
+  options.system.services.endlessh = {
+    enable = mkEnableOption "Enables endlessh.";
+    port = mkOption {
+      type = types.port;
+      default = 2222;
+      example = 22;
+    };
+  };
+  config.services.endlessh-go = mkIf cfg.enable {
+    inherit (cfg) enable port;
+    openFirewall = true;
+  };
+}

system/services/fwupd.nix

@@ -0,0 +1,13 @@
+{
+  lib,
+  config,
+  ...
+}:
+with lib; let
+  cfg = config.system.services.fwupd;
+in {
+  options.system.services.fwupd.enable = mkEnableOption "Enable fwupd";
+  config.services.fwupd = mkIf cfg.enable {
+    inherit (cfg) enable;
+  };
+}

system/services/printing.nix

@@ -0,0 +1,13 @@
+{
+  lib,
+  config,
+  ...
+}:
+with lib; let
+  cfg = config.system.services.printing;
+in {
+  options.system.services.printing.enable = mkEnableOption "Enable printing with CUPS";
+  config.services.printing = mkIf cfg.enable {
+    inherit (cfg) enable;
+  };
+}

system/services/ssh.nix

@@ -0,0 +1,30 @@
+{
+  lib,
+  config,
+  ...
+}:
+with lib; let
+  cfg = config.system.services.ssh;
+in {
+  options.system.services.ssh = {
+    enable = mkEnableOption "Enables OpenSSH";
+    allowedUsers = mkOption {
+      type = types.listOf types.str;
+      example = ["alice" "bob"];
+      default = ["phundrak"];
+    };
+    passwordAuthentication = mkOption {
+      type = types.bool;
+      example = true;
+      default = false;
+    };
+  };
+  config.services.openssh = mkIf cfg.enable {
+    inherit (cfg) enable;
+    settings = {
+      AllowUsers = cfg.allowedUsers;
+      PermitRootLogin = "no";
+      PasswordAuthentication = cfg.passwordAuthentication;
+    };
+  };
+}

system/services/sunshine.nix

@@ -0,0 +1,20 @@
+{
+  config,
+  lib,
+  ...
+}:
+with lib; let
+  cfg = config.system.services.sunshine;
+in {
+  options.system.services.sunshine = {
+    enable = mkEnableOption "Enables Sunshine";
+    autostart = mkEnableOption "Enables autostart";
+  };
+  config.services.sunshine = mkIf cfg.enable {
+    inherit (cfg) enable;
+    autoStart = cfg.autostart;
+    capSysAdmin = true;
+    openFirewall = true;
+    settings.sunshine_name = config.system.networking.hostname;
+  };
+}