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