153 lines
3.9 KiB
Nix
153 lines
3.9 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.services.cgminer;
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convType = with builtins; v: if lib.isBool v then lib.boolToString v else toString v;
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mergedHwConfig = lib.mapAttrsToList (
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n: v: ''"${n}": "${(lib.concatStringsSep "," (map convType v))}"''
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) (lib.foldAttrs (n: a: [ n ] ++ a) [ ] cfg.hardware);
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mergedConfig =
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with builtins;
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lib.mapAttrsToList (
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n: v: ''"${n}": ${if lib.isBool v then convType v else ''"${convType v}"''}''
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) cfg.config;
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cgminerConfig = pkgs.writeText "cgminer.conf" ''
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{
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${lib.concatStringsSep ",\n" mergedHwConfig},
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${lib.concatStringsSep ",\n" mergedConfig},
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"pools": [
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${
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lib.concatStringsSep ",\n" (
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map (v: ''{"url": "${v.url}", "user": "${v.user}", "pass": "${v.pass}"}'') cfg.pools
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)
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}]
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}
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'';
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in
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{
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###### interface
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options = {
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services.cgminer = {
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enable = lib.mkEnableOption "cgminer, an ASIC/FPGA/GPU miner for bitcoin and litecoin";
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package = lib.mkPackageOption pkgs "cgminer" { };
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user = lib.mkOption {
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type = lib.types.str;
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default = "cgminer";
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description = "User account under which cgminer runs";
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};
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pools = lib.mkOption {
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default = [ ]; # Run benchmark
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type = lib.types.listOf (lib.types.attrsOf lib.types.str);
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description = "List of pools where to mine";
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example = [
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{
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url = "http://p2pool.org:9332";
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username = "17EUZxTvs9uRmPsjPZSYUU3zCz9iwstudk";
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password = "X";
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}
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];
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};
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hardware = lib.mkOption {
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default = [ ]; # Run without options
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type = lib.types.listOf (lib.types.attrsOf (lib.types.either lib.types.str lib.types.int));
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description = "List of config options for every GPU";
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example = [
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{
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intensity = 9;
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gpu-engine = "0-985";
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gpu-fan = "0-85";
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gpu-memclock = 860;
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gpu-powertune = 20;
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temp-cutoff = 95;
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temp-overheat = 85;
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temp-target = 75;
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}
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{
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intensity = 9;
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gpu-engine = "0-950";
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gpu-fan = "0-85";
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gpu-memclock = 825;
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gpu-powertune = 20;
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temp-cutoff = 95;
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temp-overheat = 85;
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temp-target = 75;
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}
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];
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};
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config = lib.mkOption {
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default = { };
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type = lib.types.attrsOf (lib.types.either lib.types.bool lib.types.int);
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description = "Additional config";
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example = {
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auto-fan = true;
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auto-gpu = true;
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expiry = 120;
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failover-only = true;
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gpu-threads = 2;
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log = 5;
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queue = 1;
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scan-time = 60;
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temp-histeresys = 3;
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};
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};
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};
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};
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###### implementation
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config = lib.mkIf config.services.cgminer.enable {
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users.users = lib.optionalAttrs (cfg.user == "cgminer") {
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cgminer = {
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isSystemUser = true;
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group = "cgminer";
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description = "Cgminer user";
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};
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};
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users.groups = lib.optionalAttrs (cfg.user == "cgminer") {
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cgminer = { };
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};
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environment.systemPackages = [ cfg.package ];
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systemd.services.cgminer = {
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path = [ pkgs.cgminer ];
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after = [
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"network.target"
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"display-manager.service"
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];
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wantedBy = [ "multi-user.target" ];
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environment = {
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LD_LIBRARY_PATH = "/run/opengl-driver/lib:/run/opengl-driver-32/lib";
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DISPLAY = ":${toString config.services.xserver.display}";
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GPU_MAX_ALLOC_PERCENT = "100";
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GPU_USE_SYNC_OBJECTS = "1";
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};
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startLimitIntervalSec = 60; # 1 min
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serviceConfig = {
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ExecStart = "${pkgs.cgminer}/bin/cgminer --syslog --text-only --config ${cgminerConfig}";
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User = cfg.user;
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RestartSec = "30s";
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Restart = "always";
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};
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};
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};
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}
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