stockholm/krebs/3modules/Reaktor.nix
2018-12-03 17:39:34 +01:00

155 lines
4.1 KiB
Nix

{ config, lib, pkgs, ... }:
with import <stockholm/lib>;
let
cfg = config.krebs.Reaktor;
homedir = "/var/lib/Reaktor";
out = {
options.krebs.Reaktor = api;
config = mkIf (cfg != {}) imp;
};
api = mkOption {
default = {};
type = with types; attrsOf (submodule ({ options = {
nickname = mkOption {
default = config.krebs.build.host.name + "|r";
type = types.string;
description = ''
The nick name of the irc bot.
Defaults to {hostname}|r
'';
};
overrideConfig = mkOption {
default = null;
type = types.nullOr types.str;
description = ''
configuration to be used instead of default ones.
Reaktor default cfg can be retrieved via `reaktor get-config`
'';
};
plugins = mkOption {
default = [pkgs.ReaktorPlugins.nixos-version];
};
workdir = mkOption {
default = "/var/lib/Reaktor";
type = types.path;
description = ''
path to be used as workdir (home dir is still /var/lib/Reaktor)
'';
};
extraConfig = mkOption {
default = "";
type = types.string;
description = ''
configuration appended to the default or overridden configuration
'';
};
extraEnviron = mkOption {
default = {};
type = types.attrsOf types.str;
description = ''
Environment to be provided to the service, can be:
REAKTOR_HOST
REAKTOR_PORT
REAKTOR_STATEDIR
debug and nickname can be set separately via the Reaktor api
'';
};
channels = mkOption {
default = [ "#krebs" ];
type = types.listOf types.str;
description = ''
Channels the Reaktor should connect to at startup.
'';
};
debug = mkOption {
default = false;
description = ''
Reaktor debug output
'';
};
};}));
};
imp = {
# TODO get user per configured bot
# TODO get home from api
# for reaktor get-config
users.extraUsers = singleton rec {
name = "Reaktor";
uid = genid name;
description = "Reaktor user";
home = homedir;
createHome = true;
};
#users.extraGroups = singleton {
# name = "Reaktor";
# gid = config.ids.gids.Reaktor;
#};
systemd.services = mapAttrs' (name: botcfg:
let
ReaktorConfig = pkgs.writeText "config.py" ''
${if (isString botcfg.overrideConfig ) then ''
# Overriden Config
${botcfg.overrideConfig}
'' else ""}
## Extra Config
${concatStringsSep "\n" (map (plug: plug.config) botcfg.plugins)}
${botcfg.extraConfig}
'';
in nameValuePair "Reaktor-${name}" {
path = with pkgs; [
utillinux #flock for tell_on-join
git # for nag
python # for caps
];
description = "Reaktor IRC Bot";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
environment = {
GIT_SSL_CAINFO = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt";
PYTHONPATH = "${pkgs.Reaktor}/lib/python3.6/site-packages";
REAKTOR_NICKNAME = botcfg.nickname;
REAKTOR_DEBUG = (if botcfg.debug then "True" else "False");
REAKTOR_CHANNELS = lib.concatStringsSep "," botcfg.channels;
state_dir = botcfg.workdir;
} // botcfg.extraEnviron;
serviceConfig= {
ExecStartPre = pkgs.writeScript "Reaktor-init" ''
#! /bin/sh
${if (isString botcfg.overrideConfig) then
''cp ${ReaktorConfig} /tmp/reaktor-${name}-config.py''
else
''(${pkgs.Reaktor}/bin/reaktor get-config;cat "${ReaktorConfig}" ) > /tmp/reaktor-${name}-config.py''
}
mkdir -p ${botcfg.workdir}
'';
ExecStart = "${pkgs.Reaktor}/bin/reaktor run /tmp/reaktor-${name}-config.py";
PrivateTmp = "true";
User = "Reaktor";
Restart = "always";
RestartSec= "30" ;
};
}
) cfg;
};
in
out