nixpkgs/nixos/modules/services/misc/pykms.nix

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