pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6 cfg = config.services.cgminer;
7
8 convType = with builtins;
9 v: if isBool v then boolToString v else toString v;
10 mergedHwConfig =
11 mapAttrsToList (n: v: ''"${n}": "${(concatStringsSep "," (map convType v))}"'')
12 (foldAttrs (n: a: [n] ++ a) [] cfg.hardware);
13 mergedConfig = with builtins;
14 mapAttrsToList (n: v: ''"${n}": ${if isBool v then "" else ''"''}${convType v}${if isBool v then "" else ''"''}'')
15 cfg.config;
16
17 cgminerConfig = pkgs.writeText "cgminer.conf" ''
18 {
19 ${concatStringsSep ",\n" mergedHwConfig},
20 ${concatStringsSep ",\n" mergedConfig},
21 "pools": [
22 ${concatStringsSep ",\n"
23 (map (v: ''{"url": "${v.url}", "user": "${v.user}", "pass": "${v.pass}"}'')
24 cfg.pools)}]
25 }
26 '';
27in
28{
29 ###### interface
30 options = {
31
32 services.cgminer = {
33
34 enable = mkEnableOption (lib.mdDoc "cgminer, an ASIC/FPGA/GPU miner for bitcoin and litecoin");
35
36 package = mkOption {
37 default = pkgs.cgminer;
38 defaultText = literalExpression "pkgs.cgminer";
39 description = lib.mdDoc "Which cgminer derivation to use.";
40 type = types.package;
41 };
42
43 user = mkOption {
44 type = types.str;
45 default = "cgminer";
46 description = lib.mdDoc "User account under which cgminer runs";
47 };
48
49 pools = mkOption {
50 default = []; # Run benchmark
51 type = types.listOf (types.attrsOf types.str);
52 description = lib.mdDoc "List of pools where to mine";
53 example = [{
54 url = "http://p2pool.org:9332";
55 username = "17EUZxTvs9uRmPsjPZSYUU3zCz9iwstudk";
56 password="X";
57 }];
58 };
59
60 hardware = mkOption {
61 default = []; # Run without options
62 type = types.listOf (types.attrsOf (types.either types.str types.int));
63 description= lib.mdDoc "List of config options for every GPU";
64 example = [
65 {
66 intensity = 9;
67 gpu-engine = "0-985";
68 gpu-fan = "0-85";
69 gpu-memclock = 860;
70 gpu-powertune = 20;
71 temp-cutoff = 95;
72 temp-overheat = 85;
73 temp-target = 75;
74 }
75 {
76 intensity = 9;
77 gpu-engine = "0-950";
78 gpu-fan = "0-85";
79 gpu-memclock = 825;
80 gpu-powertune = 20;
81 temp-cutoff = 95;
82 temp-overheat = 85;
83 temp-target = 75;
84 }];
85 };
86
87 config = mkOption {
88 default = {};
89 type = types.attrsOf (types.either types.bool types.int);
90 description = lib.mdDoc "Additional config";
91 example = {
92 auto-fan = true;
93 auto-gpu = true;
94 expiry = 120;
95 failover-only = true;
96 gpu-threads = 2;
97 log = 5;
98 queue = 1;
99 scan-time = 60;
100 temp-histeresys = 3;
101 };
102 };
103 };
104 };
105
106
107 ###### implementation
108
109 config = mkIf config.services.cgminer.enable {
110
111 users.users = optionalAttrs (cfg.user == "cgminer") {
112 cgminer = {
113 isSystemUser = true;
114 group = "cgminer";
115 description = "Cgminer user";
116 };
117 };
118 users.groups = optionalAttrs (cfg.user == "cgminer") {
119 cgminer = {};
120 };
121
122 environment.systemPackages = [ cfg.package ];
123
124 systemd.services.cgminer = {
125 path = [ pkgs.cgminer ];
126
127 after = [ "network.target" "display-manager.service" ];
128 wantedBy = [ "multi-user.target" ];
129
130 environment = {
131 LD_LIBRARY_PATH = "/run/opengl-driver/lib:/run/opengl-driver-32/lib";
132 DISPLAY = ":${toString config.services.xserver.display}";
133 GPU_MAX_ALLOC_PERCENT = "100";
134 GPU_USE_SYNC_OBJECTS = "1";
135 };
136
137 startLimitIntervalSec = 60; # 1 min
138 serviceConfig = {
139 ExecStart = "${pkgs.cgminer}/bin/cgminer --syslog --text-only --config ${cgminerConfig}";
140 User = cfg.user;
141 RestartSec = "30s";
142 Restart = "always";
143 };
144 };
145
146 };
147
148}