6afb255d97
these changes were generated with nixq 0.0.2, by running nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix two mentions of the mdDoc function remain in nixos/, both of which are inside of comments. Since lib.mdDoc is already defined as just id, this commit is a no-op as far as Nix (and the built manual) is concerned.
79 lines
2.3 KiB
Nix
79 lines
2.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.go-neb;
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settingsFormat = pkgs.formats.yaml {};
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configFile = settingsFormat.generate "config.yaml" cfg.config;
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in {
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options.services.go-neb = {
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enable = mkEnableOption "an extensible matrix bot written in Go";
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bindAddress = mkOption {
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type = types.str;
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description = "Port (and optionally address) to listen on.";
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default = ":4050";
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};
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secretFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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example = "/run/keys/go-neb.env";
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description = ''
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Environment variables from this file will be interpolated into the
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final config file using envsubst with this syntax: `$ENVIRONMENT`
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or `''${VARIABLE}`.
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The file should contain lines formatted as `SECRET_VAR=SECRET_VALUE`.
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This is useful to avoid putting secrets into the nix store.
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'';
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};
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baseUrl = mkOption {
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type = types.str;
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description = "Public-facing endpoint that can receive webhooks.";
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};
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config = mkOption {
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inherit (settingsFormat) type;
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description = ''
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Your {file}`config.yaml` as a Nix attribute set.
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See [config.sample.yaml](https://github.com/matrix-org/go-neb/blob/master/config.sample.yaml)
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for possible options.
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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.services.go-neb = let
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finalConfigFile = if cfg.secretFile == null then configFile else "/var/run/go-neb/config.yaml";
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in {
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description = "Extensible matrix bot written in Go";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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environment = {
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BASE_URL = cfg.baseUrl;
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BIND_ADDRESS = cfg.bindAddress;
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CONFIG_FILE = finalConfigFile;
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};
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serviceConfig = {
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ExecStartPre = lib.optional (cfg.secretFile != null)
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("+" + pkgs.writeShellScript "pre-start" ''
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umask 077
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export $(xargs < ${cfg.secretFile})
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${pkgs.envsubst}/bin/envsubst -i "${configFile}" > ${finalConfigFile}
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chown go-neb ${finalConfigFile}
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'');
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RuntimeDirectory = "go-neb";
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ExecStart = "${pkgs.go-neb}/bin/go-neb";
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User = "go-neb";
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DynamicUser = true;
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};
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};
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};
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meta.maintainers = with maintainers; [ hexa maralorn ];
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}
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