modules/private/system/dilion/vms/buildbot_configuration.nix

   1 { pkgs, config, lib, ... }:
   2 {
   3   imports = [
   4     <nixpkgs/nixos/modules/profiles/qemu-guest.nix>
   5     ./base_configuration.nix
   6   ];
   7   systemd.services.buildbot-worker.serviceConfig.ExecStartPre = let
   8     cfg = config.services.buildbot-worker;
   9     script = pkgs.writeScript "decode-dmi" ''
  10       #!${pkgs.stdenv.shell}
  11
  12       mkdir -vp "${cfg.buildbotDir}"
  13       varfile=${cfg.buildbotDir}/variables
  14       rm $varfile || true
  15       echo "[DEFAULT]" > $varfile
  16       strings=$(${pkgs.dmidecode}/bin/dmidecode --oem-string count)
  17       for i in $(seq 1 $strings); do
  18         ${pkgs.dmidecode}/bin/dmidecode --oem-string $i >> $varfile
  19       done
  20       chown -R ${cfg.user}:${cfg.group} ${cfg.buildbotDir}
  21     '';
  22     in
  23       lib.mkForce ["+${script}"];
  24   systemd.services.buildbot-worker.serviceConfig.ExecStart = let
  25       cfg = config.services.buildbot-worker;
  26       tacFile = pkgs.writeText "buildbot-worker.tac" ''
  27         import os
  28         from io import open
  29
  30         from buildbot_worker.bot import Worker
  31         from twisted.application import service
  32
  33         basedir = '${cfg.buildbotDir}'
  34
  35         # note: this line is matched against to check that this is a worker
  36         # directory; do not edit it.
  37         application = service.Application('buildbot-worker')
  38
  39         import configparser
  40         config = config = configparser.ConfigParser()
  41         config.read("${cfg.buildbotDir}/variables")
  42         master_url_split = config["DEFAULT"]["buildbot_master_url"].split(':')
  43         buildmaster_host = master_url_split[0]
  44         port = int(master_url_split[1])
  45         workername = config["DEFAULT"]["buildbot_worker_name"]
  46
  47         with open('${cfg.workerPassFile}', 'r', encoding='utf-8') as passwd_file:
  48             passwd = passwd_file.read().strip('\r\n')
  49         keepalive = ${toString cfg.keepalive}
  50         umask = None
  51         maxdelay = 300
  52         numcpus = None
  53         allow_shutdown = None
  54
  55         s = Worker(buildmaster_host, port, workername, passwd, basedir,
  56                   keepalive, umask=umask, maxdelay=maxdelay,
  57                   numcpus=numcpus, allow_shutdown=allow_shutdown)
  58         s.setServiceParent(application)
  59       '';
  60     in
  61       lib.mkForce "${cfg.package.pythonModule.pkgs.twisted}/bin/twistd --nodaemon --pidfile= --logfile - --python ${tacFile}";
  62   services.buildbot-worker = {
  63     enable = true;
  64     workerPass = config.myEnv.buildbot.workerPassword;
  65     packages = [ pkgs.git pkgs.gzip pkgs.openssh ];
  66   };
  67 }