nixpkgs/nixos/modules/services/networking/solanum.nix

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{ config, lib, pkgs, ... }:
let
inherit (lib) mkEnableOption mkIf mkOption types;
inherit (pkgs) solanum util-linux;
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cfg = config.services.solanum;
configFile = pkgs.writeText "solanum.conf" cfg.config;
in
{
###### interface
options = {
services.solanum = {
enable = mkEnableOption (lib.mdDoc "Solanum IRC daemon");
config = mkOption {
type = types.str;
default = ''
serverinfo {
name = "irc.example.com";
sid = "1ix";
description = "irc!";
vhost = "0.0.0.0";
vhost6 = "::";
};
listen {
host = "0.0.0.0";
port = 6667;
};
auth {
user = "*@*";
class = "users";
flags = exceed_limit;
};
channel {
default_split_user_count = 0;
};
'';
description = lib.mdDoc ''
Solanum IRC daemon configuration file.
check <https://github.com/solanum-ircd/solanum/blob/main/doc/reference.conf> for all options.
'';
};
openFilesLimit = mkOption {
type = types.int;
default = 1024;
description = lib.mdDoc ''
Maximum number of open files. Limits the clients and server connections.
'';
};
motd = mkOption {
type = types.nullOr types.lines;
default = null;
description = lib.mdDoc ''
Solanum MOTD text.
Solanum will read its MOTD from `/etc/solanum/ircd.motd`.
If set, the value of this option will be written to this path.
'';
};
};
};
###### implementation
config = mkIf cfg.enable (lib.mkMerge [
{
environment.etc."solanum/ircd.conf".source = configFile;
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systemd.services.solanum = {
description = "Solanum IRC daemon";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
reloadIfChanged = true;
restartTriggers = [
configFile
];
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serviceConfig = {
ExecStart = "${solanum}/bin/solanum -foreground -logfile /dev/stdout -configfile /etc/solanum/ircd.conf -pidfile /run/solanum/ircd.pid";
ExecReload = "${util-linux}/bin/kill -HUP $MAINPID";
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DynamicUser = true;
User = "solanum";
StateDirectory = "solanum";
RuntimeDirectory = "solanum";
LimitNOFILE = "${toString cfg.openFilesLimit}";
};
};
}
(mkIf (cfg.motd != null) {
environment.etc."solanum/ircd.motd".text = cfg.motd;
})
]);
}