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|
# NixOS module for Buildbot Worker.
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.buildbot-worker;
python = cfg.package.pythonModule;
tacFile = pkgs.writeText "aur-buildbot-worker.tac" ''
import os
from io import open
from buildbot_worker.bot import Worker
from twisted.application import service
basedir = '${cfg.buildbotDir}'
# note: this line is matched against to check that this is a worker
# directory; do not edit it.
application = service.Application('buildbot-worker')
master_url_split = '${cfg.masterUrl}'.split(':')
buildmaster_host = master_url_split[0]
port = int(master_url_split[1])
workername = '${cfg.workerUser}'
with open('${cfg.workerPassFile}', 'r', encoding='utf-8') as passwd_file:
passwd = passwd_file.read().strip('\r\n')
keepalive = 600
umask = None
maxdelay = 300
numcpus = None
allow_shutdown = None
s = Worker(buildmaster_host, port, workername, passwd, basedir,
keepalive, umask=umask, maxdelay=maxdelay,
numcpus=numcpus, allow_shutdown=allow_shutdown)
s.setServiceParent(application)
'';
in {
options = {
services.buildbot-worker = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the Buildbot Worker.";
};
user = mkOption {
default = "bbworker";
type = types.str;
description = "User the buildbot Worker should execute under.";
};
group = mkOption {
default = "bbworker";
type = types.str;
description = "Primary group of buildbot Worker user.";
};
extraGroups = mkOption {
type = types.listOf types.str;
default = [];
description = "List of extra groups that the Buildbot Worker user should be a part of.";
};
home = mkOption {
default = "/home/bbworker";
type = types.path;
description = "Buildbot home directory.";
};
buildbotDir = mkOption {
default = "${cfg.home}/worker";
type = types.path;
description = "Specifies the Buildbot directory.";
};
workerUser = mkOption {
default = "example-worker";
type = types.str;
description = "Specifies the Buildbot Worker user.";
};
workerPass = mkOption {
default = "pass";
type = types.str;
description = "Specifies the Buildbot Worker password.";
};
workerPassFile = mkOption {
type = types.path;
description = "File used to store the Buildbot Worker password";
};
hostMessage = mkOption {
default = null;
type = types.nullOr types.str;
description = "Description of this worker";
};
adminMessage = mkOption {
default = null;
type = types.nullOr types.str;
description = "Name of the administrator of this worker";
};
masterUrl = mkOption {
default = "localhost:9989";
type = types.str;
description = "Specifies the Buildbot Worker connection string.";
};
package = mkOption {
type = types.package;
default = pkgs.python3Packages.buildbot-worker;
defaultText = "pkgs.python3Packages.buildbot-worker";
description = "Package to use for buildbot worker.";
example = literalExample "pkgs.python2Packages.buildbot-worker";
};
packages = mkOption {
default = with pkgs; [ git ];
example = literalExample "[ pkgs.git ]";
type = types.listOf types.package;
description = "Packages to add to PATH for the buildbot process.";
};
};
};
config = mkIf cfg.enable {
services.buildbot-worker.workerPassFile = mkDefault (pkgs.writeText "buildbot-worker-password" cfg.workerPass);
users.groups = optional (cfg.group == "bbworker") {
bbworker = { };
};
users.users = optionalAttrs (cfg.user == "bbworker") {
bbworker = {
description = "Buildbot Worker User.";
isNormalUser = true;
createHome = true;
home = cfg.home;
group = cfg.group;
extraGroups = cfg.extraGroups;
useDefaultShell = true;
};
};
systemd.services.buildbot-worker = {
description = "Buildbot Worker.";
after = [ "network.target" "buildbot-master.service" ];
wantedBy = [ "multi-user.target" ];
path = cfg.packages;
environment.PYTHONPATH = "${python.withPackages (p: [ cfg.package ])}/${python.sitePackages}";
preStart = ''
mkdir -vp "${cfg.buildbotDir}/info"
${optionalString (cfg.hostMessage != null) ''
ln -sf "${pkgs.writeText "buildbot-worker-host" cfg.hostMessage}" "${cfg.buildbotDir}/info/host"
''}
${optionalString (cfg.adminMessage != null) ''
ln -sf "${pkgs.writeText "buildbot-worker-admin" cfg.adminMessage}" "${cfg.buildbotDir}/info/admin"
''}
'';
serviceConfig = {
Type = "simple";
User = cfg.user;
Group = cfg.group;
WorkingDirectory = cfg.home;
# NOTE: call twistd directly with stdout logging for systemd
ExecStart = "${python.pkgs.twisted}/bin/twistd --nodaemon --pidfile= --logfile - --python ${tacFile}";
};
};
};
meta.maintainers = with lib.maintainers; [ nand0p ];
}
|