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|
{ 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 = "pkgs.cgminer";
description = "Which cgminer derivation to use.";
type = types.package;
};
user = mkOption {
default = "cgminer";
description = "User account under which cgminer runs";
};
pools = mkOption {
default = []; # Run benchmark
description = "List of pools where to mine";
example = [{
url = "http://p2pool.org:9332";
username = "17EUZxTvs9uRmPsjPZSYUU3zCz9iwstudk";
password="X";
}];
};
hardware = mkOption {
default = []; # Run without options
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 = {};
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 = {
uid = config.ids.uids.cgminer;
description = "Cgminer user";
};
};
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";
};
};
};
}
|
