pyrox.dev
1{ config, lib, ... }:
2
3let
4 dmcfg = config.services.xserver.displayManager;
5 cfg = config.test-support.displayManager.auto;
6in
7{
8
9 ###### interface
10
11 options = {
12 test-support.displayManager.auto = {
13 enable = lib.mkOption {
14 default = false;
15 description = lib.mdDoc ''
16 Whether to enable the fake "auto" display manager, which
17 automatically logs in the user specified in the
18 {option}`user` option. This is mostly useful for
19 automated tests.
20 '';
21 };
22
23 user = lib.mkOption {
24 default = "root";
25 description = lib.mdDoc "The user account to login automatically.";
26 };
27 };
28 };
29
30 ###### implementation
31
32 config = lib.mkIf cfg.enable {
33 services.xserver.displayManager = {
34 lightdm.enable = true;
35 autoLogin = {
36 enable = true;
37 user = cfg.user;
38 };
39 };
40
41 # lightdm by default doesn't allow auto login for root, which is
42 # required by some nixos tests. Override it here.
43 security.pam.services.lightdm-autologin.text = lib.mkForce ''
44 auth requisite pam_nologin.so
45 auth required pam_succeed_if.so quiet
46 auth required pam_permit.so
47
48 account include lightdm
49
50 password include lightdm
51
52 session include lightdm
53 '';
54 };
55}