135 lines
4 KiB
Nix
135 lines
4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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pkg = pkgs.moonraker;
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cfg = config.services.moonraker;
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format = pkgs.formats.ini {
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# https://github.com/NixOS/nixpkgs/pull/121613#issuecomment-885241996
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listToValue = l:
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if builtins.length l == 1 then generators.mkValueStringDefault {} (head l)
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else lib.concatMapStrings (s: "\n ${generators.mkValueStringDefault {} s}") l;
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mkKeyValue = generators.mkKeyValueDefault {} ":";
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};
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in {
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options = {
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services.moonraker = {
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enable = mkEnableOption "Moonraker, an API web server for Klipper";
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klipperSocket = mkOption {
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type = types.path;
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default = config.services.klipper.apiSocket;
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description = "Path to Klipper's API socket.";
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};
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stateDir = mkOption {
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type = types.path;
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default = "/var/lib/moonraker";
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description = "The directory containing the Moonraker databases.";
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};
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configDir = mkOption {
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type = types.path;
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default = cfg.stateDir + "/config";
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description = ''
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The directory containing client-writable configuration files.
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Clients will be able to edit files in this directory via the API. This directory must be writable.
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'';
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};
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user = mkOption {
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type = types.str;
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default = "moonraker";
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description = "User account under which Moonraker runs.";
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};
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group = mkOption {
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type = types.str;
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default = "moonraker";
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description = "Group account under which Moonraker runs.";
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};
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address = mkOption {
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type = types.str;
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default = "127.0.0.1";
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example = "0.0.0.0";
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description = "The IP or host to listen on.";
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};
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port = mkOption {
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type = types.ints.unsigned;
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default = 7125;
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description = "The port to listen on.";
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};
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settings = mkOption {
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type = format.type;
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default = { };
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example = {
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authorization = {
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trusted_clients = [ "10.0.0.0/24" ];
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cors_domains = [ "https://app.fluidd.xyz" ];
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};
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};
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description = ''
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Configuration for Moonraker. See the <link xlink:href="https://moonraker.readthedocs.io/en/latest/configuration/">documentation</link>
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for supported values.
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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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warnings = optional (cfg.settings ? update_manager)
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''Enabling update_manager is not supported on NixOS and will lead to non-removable warnings in some clients.'';
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users.users = optionalAttrs (cfg.user == "moonraker") {
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moonraker = {
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group = cfg.group;
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uid = config.ids.uids.moonraker;
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};
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};
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users.groups = optionalAttrs (cfg.group == "moonraker") {
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moonraker.gid = config.ids.gids.moonraker;
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};
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environment.etc."moonraker.cfg".source = let
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forcedConfig = {
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server = {
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host = cfg.address;
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port = cfg.port;
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klippy_uds_address = cfg.klipperSocket;
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config_path = cfg.configDir;
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database_path = "${cfg.stateDir}/database";
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};
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};
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fullConfig = recursiveUpdate cfg.settings forcedConfig;
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in format.generate "moonraker.cfg" fullConfig;
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systemd.tmpfiles.rules = [
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"d '${cfg.stateDir}' - ${cfg.user} ${cfg.group} - -"
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"d '${cfg.configDir}' - ${cfg.user} ${cfg.group} - -"
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];
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systemd.services.moonraker = {
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description = "Moonraker, an API web server for Klipper";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ]
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++ optional config.services.klipper.enable "klipper.service";
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# Moonraker really wants its own config to be writable...
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script = ''
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cp /etc/moonraker.cfg ${cfg.configDir}/moonraker-temp.cfg
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chmod u+w ${cfg.configDir}/moonraker-temp.cfg
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exec ${pkg}/bin/moonraker -c ${cfg.configDir}/moonraker-temp.cfg
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'';
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serviceConfig = {
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WorkingDirectory = cfg.stateDir;
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Group = cfg.group;
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User = cfg.user;
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};
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};
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};
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}
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