76 lines
2.2 KiB
Nix
76 lines
2.2 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.pvv-calendar-bot;
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inherit (lib) mkDefault mkEnableOption mkPackageOption mkIf mkOption types mdDoc;
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in {
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options.services.pvv-calendar-bot = {
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enable = mkEnableOption (lib.mdDoc "Enable pvv-calendar-bot to post to matrix");
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package = mkPackageOption pkgs "pvv-calendar-bot" {};
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settings = {
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onCalendar = mkOption {
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type = types.str;
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default = "9 0 * * *";
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description = mdDoc "OnCalendar string for the systemd service(e.g. crontab format)";
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};
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matrix = {
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user = mkOption {
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type = types.str;
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description = mdDoc "Matrix username to authenticate with";
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example = "@bot_calendar:pvv.ntnu.no";
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};
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channel = mkOption {
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type = types.str;
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description = mdDoc "Room ID of the channel to post announcements in";
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example = "!abcdef:matrix.org";
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};
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homeserver = mkOption {
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type = types.str;
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description = mdDoc "Matrix homeserver URL to connect to";
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example = "https://matrix.org";
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};
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};
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secretsFile = mkOption {
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type = types.path;
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description = mdDoc "Path to secrets file that defines MATRIX_ACCESS_TOKEN";
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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.timers."pvv-calendar-bot" = {
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnCalendar = cfg.settings.onCalendar;
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Unit = "pvv-calendar-bot";
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};
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};
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systemd.services."pvv-calendar-bot" = {
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preStart = let
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envFile = pkgs.writeText "pvv-calendar-bot-env" ''
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MATRIX_URL=${cfg.settings.matrix.homeserver}
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MATRIX_USER=${cfg.settings.matrix.user}
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ANNOUNCEMENT_CHANNEL=${cfg.settings.matrix.channel}
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MATRIX_TOKEN=@MATRIX_ACCESS_TOKEN@
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'';
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in ''
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${pkgs.replace-secret}/bin/replace-secret '@MATRIX_ACCESS_TOKEN@' ${cfg.settings.secretsFile} /run/pvv-calendar-bot/env
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'';
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serviceConfig = {
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ExecStart = "${cfg.package}/bin/pvv-calendar-bot";
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RuntimeDirectory = "pvv-calendar-bot";
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DynamicUser = true;
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EnvironmentFile = [ "-/run/pvv-calendar-bot/env" ];
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};
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};
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};
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}
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