a7868e4e17
Adds the ability to post to multiple channels by simply running multiple instances of clbot. We should probably implement support for this in clbot itself, but right now I can't be bothered to write Go. Change-Id: I5cffd0dc10a7f6cc19c37c5834c5610166b4ae23 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1771 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com> Reviewed-by: lukegb <lukegb@tvl.fyi>
75 lines
1.9 KiB
Nix
75 lines
1.9 KiB
Nix
# Module that configures CLBot, our Gerrit->IRC info bridge.
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{ config, lib, pkgs, ... }:
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let
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inherit (builtins) attrValues concatStringsSep mapAttrs readFile;
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inherit (pkgs) runCommandNoCC;
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inherit (lib)
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listToAttrs
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mkEnableOption
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mkIf
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mkOption
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removeSuffix
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types;
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description = "Bot to forward CL notifications";
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cfg = config.services.depot.clbot;
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mkFlags = flags:
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concatStringsSep " "
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(attrValues (mapAttrs (key: value: "-${key} \"${toString value}\"") flags));
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# Escapes a unit name for use in systemd
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systemdEscape = name: removeSuffix "\n" (readFile (runCommandNoCC "unit-name" {} ''
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${pkgs.systemd}/bin/systemd-escape '${name}' >> $out
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''));
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mkUnit = flags: channel: {
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name = "clbot-${systemdEscape channel}";
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value = {
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description = "${description} to ${channel}";
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wantedBy = [ "multi-user.target" ];
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script = "${config.depot.fun.clbot}/bin/clbot ${mkFlags (cfg.flags // {
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irc_channel = channel;
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})} -alsologtostderr";
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serviceConfig = {
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User = "clbot";
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EnvironmentFile = "/etc/secrets/clbot";
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Restart = "always";
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};
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};
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};
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in {
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options.services.depot.clbot = {
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enable = mkEnableOption description;
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flags = mkOption {
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type = types.attrsOf types.str;
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description = "Key value pairs for command line flags";
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};
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channels = mkOption {
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type = with types; listOf str;
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description = "Channels in which to post (generates one unit per channel)";
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};
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};
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config = mkIf cfg.enable {
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# This does not use DynamicUser because we need to make some files
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# (notably the SSH private key) readable by this user outside of
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# the module.
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users = {
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groups.clbot = {};
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users.clbot = {
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group = "clbot";
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isNormalUser = false;
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};
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};
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systemd.services = listToAttrs (map (mkUnit cfg.flags) cfg.channels);
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};
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}
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