pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6 cfg = config.virtualisation.rkt;
7in
8{
9 options.virtualisation.rkt = {
10 enable = mkEnableOption "rkt metadata service";
11
12 gc = {
13 automatic = mkOption {
14 default = true;
15 type = types.bool;
16 description = "Automatically run the garbage collector at a specific time.";
17 };
18
19 dates = mkOption {
20 default = "03:15";
21 type = types.str;
22 description = ''
23 Specification (in the format described by
24 <citerefentry><refentrytitle>systemd.time</refentrytitle>
25 <manvolnum>5</manvolnum></citerefentry>) of the time at
26 which the garbage collector will run.
27 '';
28 };
29
30 options = mkOption {
31 default = "--grace-period=24h";
32 type = types.str;
33 description = ''
34 Options given to <filename>rkt gc</filename> when the
35 garbage collector is run automatically.
36 '';
37 };
38 };
39 };
40
41 config = mkIf cfg.enable {
42 environment.systemPackages = [ pkgs.rkt ];
43
44 systemd.services.rkt = {
45 description = "rkt metadata service";
46 wantedBy = [ "multi-user.target" ];
47 after = [ "network.target" ];
48 serviceConfig = {
49 ExecStart = "${pkgs.rkt}/bin/rkt metadata-service";
50 };
51 };
52
53 systemd.services.rkt-gc = {
54 description = "rkt garbage collection";
55 startAt = optionalString cfg.gc.automatic cfg.gc.dates;
56 serviceConfig = {
57 Type = "oneshot";
58 ExecStart = "${pkgs.rkt}/bin/rkt gc ${cfg.gc.options}";
59 };
60 };
61
62 users.extraGroups.rkt = {};
63 };
64}