73 lines
2.1 KiB
Nix
73 lines
2.1 KiB
Nix
{ lib, config, pkgs, ... }:
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with lib;
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let
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cfg = config.services.xmr-stak;
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pkg = pkgs.xmr-stak.override {
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inherit (cfg) openclSupport cudaSupport;
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};
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xmrConfArg = optionalString (cfg.configText != "") ("-c " +
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pkgs.writeText "xmr-stak-config.txt" cfg.configText);
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in
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{
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options = {
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services.xmr-stak = {
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enable = mkEnableOption "xmr-stak miner";
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openclSupport = mkEnableOption "support for OpenCL (AMD/ATI graphics cards)";
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cudaSupport = mkEnableOption "support for CUDA (NVidia graphics cards)";
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extraArgs = mkOption {
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type = types.listOf types.str;
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default = [];
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example = [ "--noCPU" "--currency monero" ];
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description = "List of parameters to pass to xmr-stak.";
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};
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configText = mkOption {
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type = types.lines;
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default = "";
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example = ''
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"currency" : "monero",
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"pool_list" :
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[ { "pool_address" : "pool.supportxmr.com:5555",
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"wallet_address" : "<long-hash>",
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"pool_password" : "minername",
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"pool_weight" : 1,
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},
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],
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'';
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description = ''
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Verbatim xmr-stak config.txt. If empty, the <literal>-c</literal>
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parameter will not be added to the xmr-stak command.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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systemd.services.xmr-stak = {
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wantedBy = [ "multi-user.target" ];
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bindsTo = [ "network-online.target" ];
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after = [ "network-online.target" ];
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environment = mkIf cfg.cudaSupport {
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LD_LIBRARY_PATH = "${pkgs.linuxPackages_latest.nvidia_x11}/lib";
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};
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script = ''
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exec ${pkg}/bin/xmr-stak ${xmrConfArg} ${concatStringsSep " " cfg.extraArgs}
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'';
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serviceConfig = let rootRequired = cfg.openclSupport || cfg.cudaSupport; in {
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# xmr-stak generates cpu and/or gpu configuration files
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WorkingDirectory = "/tmp";
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PrivateTmp = true;
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DynamicUser = !rootRequired;
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LimitMEMLOCK = toString (1024*1024);
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};
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};
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};
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}
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