diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix index 845b3adaac8a..2e9f92dd9de6 100644 --- a/nixos/modules/module-list.nix +++ b/nixos/modules/module-list.nix @@ -386,6 +386,7 @@ ./services/misc/emby.nix ./services/misc/errbot.nix ./services/misc/etcd.nix + ./services/misc/ethminer.nix ./services/misc/exhibitor.nix ./services/misc/felix.nix ./services/misc/folding-at-home.nix diff --git a/nixos/modules/services/misc/ethminer.nix b/nixos/modules/services/misc/ethminer.nix new file mode 100644 index 000000000000..2958cf214473 --- /dev/null +++ b/nixos/modules/services/misc/ethminer.nix @@ -0,0 +1,115 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + cfg = config.services.ethminer; + poolUrl = escapeShellArg "stratum1+tcp://${cfg.wallet}@${cfg.pool}:${toString cfg.stratumPort}/${cfg.rig}/${cfg.registerMail}"; +in + +{ + + ###### interface + + options = { + + services.ethminer = { + + enable = mkOption { + type = types.bool; + default = false; + description = "Enable ethminer ether mining."; + }; + + recheckInterval = mkOption { + type = types.int; + default = 2000; + description = "Interval in milliseconds between farm rechecks."; + }; + + toolkit = mkOption { + type = types.enum [ "cuda" "opencl" ]; + default = "cuda"; + description = "Cuda or opencl toolkit."; + }; + + apiPort = mkOption { + type = types.int; + default = -3333; + description = "Ethminer api port. minus sign puts api in read-only mode."; + }; + + wallet = mkOption { + type = types.str; + example = "0x0123456789abcdef0123456789abcdef01234567"; + description = "Ethereum wallet address."; + }; + + pool = mkOption { + type = types.str; + example = "eth-us-east1.nanopool.org"; + description = "Mining pool address."; + }; + + stratumPort = mkOption { + type = types.port; + default = 9999; + description = "Stratum protocol tcp port."; + }; + + rig = mkOption { + type = types.str; + default = "mining-rig-name"; + description = "Mining rig name."; + }; + + registerMail = mkOption { + type = types.str; + example = "email%40example.org"; + description = "Url encoded email address to register with pool."; + }; + + maxPower = mkOption { + type = types.int; + default = 115; + description = "Miner max watt usage."; + }; + + }; + + }; + + + ###### implementation + + config = mkIf cfg.enable { + + systemd.services.ethminer = { + path = [ pkgs.cudatoolkit ]; + description = "ethminer ethereum mining service"; + wantedBy = [ "multi-user.target" ]; + after = [ "network.target" ]; + + serviceConfig = { + DynamicUser = true; + ExecStartPost = optional (cfg.toolkit == "cuda") "+${getBin config.boot.kernelPackages.nvidia_x11}/bin/nvidia-smi -pl ${toString cfg.maxPower}"; + }; + + environment = { + LD_LIBRARY_PATH = "${config.boot.kernelPackages.nvidia_x11}/lib"; + }; + + script = '' + ${pkgs.ethminer}/bin/.ethminer-wrapped \ + --farm-recheck ${toString cfg.recheckInterval} \ + --report-hashrate \ + --${cfg.toolkit} \ + --api-port ${toString cfg.apiPort} \ + --pool ${poolUrl} + ''; + + }; + + }; + +}