tvl-depot/ops/modules/clbot.nix
sterni 03d1986316 feat(3p/agenix): update to 2022-05-16 and add to niv
The new version brings the new secretsDir setting which means we no
longer have to hardcode /run/agenix everywhere.

Change-Id: I4b579d7233d315a780d7671869d5d06722d769fa
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5646
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: sterni <sternenseemann@systemli.org>
2022-05-25 15:00:37 +00:00

82 lines
2.1 KiB
Nix

# Module that configures CLBot, our Gerrit->IRC info bridge.
{ depot, config, lib, pkgs, ... }:
let
inherit (builtins) attrValues concatStringsSep mapAttrs readFile;
inherit (pkgs) runCommandNoCC;
inherit (lib)
listToAttrs
mkEnableOption
mkIf
mkOption
removeSuffix
types;
description = "Bot to forward CL notifications";
cfg = config.services.depot.clbot;
mkFlags = flags:
concatStringsSep " "
(attrValues (mapAttrs (key: value: "-${key} \"${toString value}\"") flags));
# Escapes a unit name for use in systemd
systemdEscape = name: removeSuffix "\n" (readFile (runCommandNoCC "unit-name" { } ''
${pkgs.systemd}/bin/systemd-escape '${name}' >> $out
''));
mkUnit = flags: channel: {
name = "clbot-${systemdEscape channel}";
value = {
description = "${description} to ${channel}";
wantedBy = [ "multi-user.target" ];
script = "${depot.fun.clbot}/bin/clbot ${mkFlags (cfg.flags // {
irc_channel = channel;
})} -alsologtostderr";
serviceConfig = {
User = "clbot";
EnvironmentFile = cfg.secretsFile;
Restart = "always";
};
};
};
in
{
options.services.depot.clbot = {
enable = mkEnableOption description;
flags = mkOption {
type = types.attrsOf types.str;
description = "Key value pairs for command line flags";
};
channels = mkOption {
type = with types; listOf str;
description = "Channels in which to post (generates one unit per channel)";
};
secretsFile = mkOption {
type = types.str;
description = "EnvironmentFile from which to load secrets";
default = config.age.secretsDir + "/clbot";
};
};
config = mkIf cfg.enable {
# This does not use DynamicUser because we need to make some files
# (notably the SSH private key) readable by this user outside of
# the module.
users = {
groups.clbot = { };
users.clbot = {
group = "clbot";
isSystemUser = true;
};
};
systemd.services = listToAttrs (map (mkUnit cfg.flags) cfg.channels);
};
}