pyrox.dev
1{ config, lib, pkgs, ...}:
2
3with lib;
4
5let
6 cfg = config.services.hail;
7in {
8
9
10 ###### interface
11
12 options.services.hail = {
13 enable = mkOption {
14 type = types.bool;
15 default = false;
16 description = ''
17 Enables the Hail Auto Update Service. Hail can automatically deploy artifacts
18 built by a Hydra Continous Integration server. A common use case is to provide
19 continous deployment for single services or a full NixOS configuration.'';
20 };
21 profile = mkOption {
22 type = types.str;
23 default = "hail-profile";
24 description = "The name of the Nix profile used by Hail.";
25 };
26 hydraJobUri = mkOption {
27 type = types.str;
28 description = "The URI of the Hydra Job.";
29 };
30 netrc = mkOption {
31 type = types.nullOr types.path;
32 description = "The netrc file to use when fetching data from Hydra.";
33 default = null;
34 };
35 package = mkOption {
36 type = types.package;
37 default = pkgs.haskellPackages.hail;
38 defaultText = "pkgs.haskellPackages.hail";
39 description = "Hail package to use.";
40 };
41 };
42
43
44 ###### implementation
45
46 config = mkIf cfg.enable {
47 systemd.services.hail = {
48 description = "Hail Auto Update Service";
49 wants = [ "network-online.target" ];
50 wantedBy = [ "multi-user.target" ];
51 path = with pkgs; [ nix ];
52 environment = {
53 HOME = "/var/lib/empty";
54 };
55 serviceConfig = {
56 ExecStart = "${cfg.package}/bin/hail --profile ${cfg.profile} --job-uri ${cfg.hydraJobUri}"
57 + lib.optionalString (cfg.netrc != null) " --netrc-file ${cfg.netrc}";
58 };
59 };
60 };
61}