pyrox.dev
1# This module adds a scripted iPXE entry to the GRUB boot menu.
2
3{
4 config,
5 lib,
6 pkgs,
7 ...
8}:
9
10with lib;
11
12let
13 scripts = builtins.attrNames config.boot.loader.grub.ipxe;
14
15 grubEntry = name: ''
16 menuentry "iPXE - ${name}" {
17 linux16 @bootRoot@/ipxe.lkrn
18 initrd16 @bootRoot@/${name}.ipxe
19 }
20
21 '';
22
23 scriptFile =
24 name:
25 let
26 value = builtins.getAttr name config.boot.loader.grub.ipxe;
27 in
28 if builtins.typeOf value == "path" then value else builtins.toFile "${name}.ipxe" value;
29in
30{
31 options = {
32 boot.loader.grub.ipxe = mkOption {
33 type = types.attrsOf (types.either types.path types.str);
34 description = ''
35 Set of iPXE scripts available for
36 booting from the GRUB boot menu.
37 '';
38 default = { };
39 example = literalExpression ''
40 { demo = '''
41 #!ipxe
42 dhcp
43 chain http://boot.ipxe.org/demo/boot.php
44 ''';
45 }
46 '';
47 };
48 };
49
50 config = mkIf (builtins.length scripts != 0) {
51
52 boot.loader.grub.extraEntries = toString (map grubEntry scripts);
53
54 boot.loader.grub.extraFiles = {
55 "ipxe.lkrn" = "${pkgs.ipxe}/ipxe.lkrn";
56 }
57 // builtins.listToAttrs (
58 map (name: {
59 name = name + ".ipxe";
60 value = scriptFile name;
61 }) scripts
62 );
63 };
64
65}