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|
{
config,
lib,
pkgs,
...
}:
let
cfg = config.services.cgminer;
convType = v: if lib.isBool v then lib.boolToString v else toString v;
mergedHwConfig = lib.mapAttrsToList (
n: v: ''"${n}": "${(lib.concatStringsSep "," (map convType v))}"''
) (lib.foldAttrs (n: a: [ n ] ++ a) [ ] cfg.hardware);
mergedConfig =
lib.mapAttrsToList (
n: v: ''"${n}": ${if lib.isBool v then convType v else ''"${convType v}"''}''
) cfg.config;
cgminerConfig = pkgs.writeText "cgminer.conf" ''
{
${lib.concatStringsSep ",\n" mergedHwConfig},
${lib.concatStringsSep ",\n" mergedConfig},
"pools": [
${
lib.concatStringsSep ",\n" (
map (v: ''{"url": "${v.url}", "user": "${v.user}", "pass": "${v.pass}"}'') cfg.pools
)
}]
}
'';
in
{
###### interface
options = {
services.cgminer = {
enable = lib.mkEnableOption "cgminer, an ASIC/FPGA/GPU miner for bitcoin and litecoin";
package = lib.mkPackageOption pkgs "cgminer" { };
user = lib.mkOption {
type = lib.types.str;
default = "cgminer";
description = "User account under which cgminer runs";
};
pools = lib.mkOption {
default = [ ]; # Run benchmark
type = lib.types.listOf (lib.types.attrsOf lib.types.str);
description = "List of pools where to mine";
example = [
{
url = "http://p2pool.org:9332";
username = "17EUZxTvs9uRmPsjPZSYUU3zCz9iwstudk";
password = "X";
}
];
};
hardware = lib.mkOption {
default = [ ]; # Run without options
type = lib.types.listOf (lib.types.attrsOf (lib.types.either lib.types.str lib.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 = lib.mkOption {
default = { };
type = lib.types.attrsOf (lib.types.either lib.types.bool lib.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 = lib.mkIf config.services.cgminer.enable {
users.users = lib.optionalAttrs (cfg.user == "cgminer") {
cgminer = {
isSystemUser = true;
group = "cgminer";
description = "Cgminer user";
};
};
users.groups = lib.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";
};
};
};
}
|
