{ config, lib, pkgs, ... }: with lib; let cfg = config.services.pykms; libDir = "/var/lib/pykms"; in { meta.maintainers = with lib.maintainers; [ peterhoeg ]; imports = [ (mkRemovedOptionModule [ "services" "pykms" "verbose" ] "Use services.pykms.logLevel instead") ]; options = { services.pykms = { enable = mkOption { type = types.bool; default = false; description = "Whether to enable the PyKMS service."; }; listenAddress = mkOption { type = types.str; default = "0.0.0.0"; description = "The IP address on which to listen."; }; port = mkOption { type = types.port; default = 1688; description = "The port on which to listen."; }; openFirewallPort = mkOption { type = types.bool; default = false; description = "Whether the listening port should be opened automatically."; }; memoryLimit = mkOption { type = types.str; default = "64M"; description = "How much memory to use at most."; }; logLevel = mkOption { type = types.enum [ "CRITICAL" "ERROR" "WARNING" "INFO" "DEBUG" "MININFO" ]; default = "INFO"; description = "How much to log"; }; extraArgs = mkOption { type = types.listOf types.str; default = [ ]; description = "Additional arguments"; }; }; }; config = mkIf cfg.enable { networking.firewall.allowedTCPPorts = lib.mkIf cfg.openFirewallPort [ cfg.port ]; systemd.services.pykms = { description = "Python KMS"; after = [ "network.target" ]; wantedBy = [ "multi-user.target" ]; # python programs with DynamicUser = true require HOME to be set environment.HOME = libDir; serviceConfig = with pkgs; { DynamicUser = true; StateDirectory = baseNameOf libDir; ExecStartPre = "${getBin pykms}/libexec/create_pykms_db.sh ${libDir}/clients.db"; ExecStart = lib.concatStringsSep " " ([ "${getBin pykms}/bin/server" "--logfile=STDOUT" "--loglevel=${cfg.logLevel}" "--sqlite=${libDir}/clients.db" ] ++ cfg.extraArgs ++ [ cfg.listenAddress (toString cfg.port) ]); ProtectHome = "tmpfs"; WorkingDirectory = libDir; SyslogIdentifier = "pykms"; Restart = "on-failure"; MemoryMax = cfg.memoryLimit; }; }; }; }