config/refresh_generated_files.py

# -*- coding: utf-8 -*-
# Copyright 2020 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Utility script to update the generated config files."""

from __future__ import print_function

import os
import sys

from chromite.config import chromeos_config
from chromite.lib import commandline
from chromite.lib import constants
from chromite.lib import cros_build_lib
from chromite.lib import cros_logging as logging
from chromite.lib import osutils

assert sys.version_info >= (3, 6), 'This module requires Python 3.6+'


def main(argv):
  # Parse arguments to respect log levels.
  commandline.ArgumentParser().parse_args(argv)

  # Regenerate `config_dump.json`.
  logging.info('Regenerating config_dump.json')
  site_config = chromeos_config.GetConfig()
  site_config.SaveConfigToFile(constants.CHROMEOS_CONFIG_FILE)

  # Regenerate `waterfall_layout_dump.txt`.
  logging.info('Regenerating waterfall_layout_dump.txt')
  cmd = os.path.join(constants.CHROMITE_BIN_DIR, 'cros_show_waterfall_layout')
  result = cros_build_lib.run([cmd],
                              capture_output=True,
                              encoding='utf-8',
                              debug_level=logging.DEBUG)
  osutils.WriteFile(constants.WATERFALL_CONFIG_FILE, result.stdout)

  # Regenerate `luci-scheduler.cfg`.
  logging.info('Regenerating luci-scheduler.cfg')
  cmd = os.path.join(constants.CHROMITE_SCRIPTS_DIR, 'gen_luci_scheduler')
  luci_result = cros_build_lib.run([cmd],
                                   capture_output=True,
                                   encoding='utf-8',
                                   debug_level=logging.DEBUG)
  osutils.WriteFile(constants.LUCI_SCHEDULER_CONFIG_FILE, luci_result.stdout)