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#!/usr/bin/env python
#
# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Updates the Chrome reference builds.
Usage:
$ /path/to/update_reference_build.py
$ git commit -a
$ git cl upload
"""
import collections
import logging
import os
import shutil
import subprocess
import sys
import tempfile
import urllib2
import zipfile
sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'py_utils'))
from py_utils import cloud_storage
from dependency_manager import base_config
def BuildNotFoundError(error_string):
raise ValueError(error_string)
_CHROME_BINARIES_CONFIG = os.path.join(
os.path.dirname(os.path.abspath(__file__)), '..', '..', 'common',
'py_utils', 'py_utils', 'chrome_binaries.json')
CHROME_GS_BUCKET = 'chrome-unsigned'
# Remove a platform name from this list to disable updating it.
# Add one to enable updating it. (Must also update _PLATFORM_MAP.)
_PLATFORMS_TO_UPDATE = ['mac_x86_64', 'win_x86', 'win_AMD64', 'linux_x86_64',
'android_k_armeabi-v7a', 'android_l_arm64-v8a',
'android_l_armeabi-v7a', 'android_n_armeabi-v7a',
'android_n_arm64-v8a']
# Remove a channel name from this list to disable updating it.
# Add one to enable updating it.
_CHANNELS_TO_UPDATE = ['stable', 'canary', 'dev']
# Omaha is Chrome's autoupdate server. It reports the current versions used
# by each platform on each channel.
_OMAHA_PLATFORMS = { 'stable': ['mac', 'linux', 'win', 'android'],
'dev': ['linux'], 'canary': ['mac', 'win']}
# All of the information we need to update each platform.
# omaha: name omaha uses for the platforms.
# zip_name: name of the zip file to be retrieved from cloud storage.
# gs_build: name of the Chrome build platform used in cloud storage.
# destination: Name of the folder to download the reference build to.
UpdateInfo = collections.namedtuple('UpdateInfo',
'omaha, gs_folder, gs_build, zip_name')
_PLATFORM_MAP = {'mac_x86_64': UpdateInfo(omaha='mac',
gs_folder='desktop-*',
gs_build='mac64',
zip_name='chrome-mac.zip'),
'win_x86': UpdateInfo(omaha='win',
gs_folder='desktop-*',
gs_build='win-clang',
zip_name='chrome-win-clang.zip'),
'win_AMD64': UpdateInfo(omaha='win',
gs_folder='desktop-*',
gs_build='win64-clang',
zip_name='chrome-win64-clang.zip'),
'linux_x86_64': UpdateInfo(omaha='linux',
gs_folder='desktop-*',
gs_build='linux64',
zip_name='chrome-linux64.zip'),
'android_k_armeabi-v7a': UpdateInfo(omaha='android',
gs_folder='android-*',
gs_build='arm',
zip_name='Chrome.apk'),
'android_l_arm64-v8a': UpdateInfo(omaha='android',
gs_folder='android-*',
gs_build='arm_64',
zip_name='ChromeModern.apk'),
'android_l_armeabi-v7a': UpdateInfo(omaha='android',
gs_folder='android-*',
gs_build='arm',
zip_name='Chrome.apk'),
'android_n_armeabi-v7a': UpdateInfo(omaha='android',
gs_folder='android-*',
gs_build='arm',
zip_name='Monochrome.apk'),
'android_n_arm64-v8a': UpdateInfo(omaha='android',
gs_folder='android-*',
gs_build='arm_64',
zip_name='Monochrome.apk'),
}
def _ChannelVersionsMap(channel):
rows = _OmahaReportVersionInfo(channel)
omaha_versions_map = _OmahaVersionsMap(rows, channel)
channel_versions_map = {}
for platform in _PLATFORMS_TO_UPDATE:
omaha_platform = _PLATFORM_MAP[platform].omaha
if omaha_platform in omaha_versions_map:
channel_versions_map[platform] = omaha_versions_map[omaha_platform]
return channel_versions_map
def _OmahaReportVersionInfo(channel):
url ='https://omahaproxy.appspot.com/all?channel=%s' % channel
lines = urllib2.urlopen(url).readlines()
return [l.split(',') for l in lines]
def _OmahaVersionsMap(rows, channel):
platforms = _OMAHA_PLATFORMS.get(channel, [])
if (len(rows) < 1 or
not rows[0][0:3] == ['os', 'channel', 'current_version']):
raise ValueError(
'Omaha report is not in the expected form: %s.' % rows)
versions_map = {}
for row in rows[1:]:
if row[1] != channel:
raise ValueError(
'Omaha report contains a line with the channel %s' % row[1])
if row[0] in platforms:
versions_map[row[0]] = row[2]
logging.warn('versions map: %s' % versions_map)
if not all(platform in versions_map for platform in platforms):
raise ValueError(
'Omaha report did not contain all desired platforms for channel %s' % channel)
return versions_map
def _QueuePlatformUpdate(platform, version, config, channel):
""" platform: the name of the platform for the browser to
be downloaded & updated from cloud storage. """
platform_info = _PLATFORM_MAP[platform]
filename = platform_info.zip_name
# remote_path example: desktop-*/30.0.1595.0/precise32/chrome-precise32.zip
remote_path = '%s/%s/%s/%s' % (
platform_info.gs_folder, version, platform_info.gs_build, filename)
if not cloud_storage.Exists(CHROME_GS_BUCKET, remote_path):
cloud_storage_path = 'gs://%s/%s' % (CHROME_GS_BUCKET, remote_path)
raise BuildNotFoundError(
'Failed to find %s build for version %s at path %s.' % (
platform, version, cloud_storage_path))
reference_builds_folder = os.path.join(
os.path.dirname(os.path.abspath(__file__)), 'chrome_telemetry_build',
'reference_builds', channel)
if not os.path.exists(reference_builds_folder):
os.makedirs(reference_builds_folder)
local_dest_path = os.path.join(reference_builds_folder, filename)
cloud_storage.Get(CHROME_GS_BUCKET, remote_path, local_dest_path)
_ModifyBuildIfNeeded(local_dest_path, platform)
config.AddCloudStorageDependencyUpdateJob(
'chrome_%s' % channel, platform, local_dest_path, version=version,
execute_job=False)
def _ModifyBuildIfNeeded(location, platform):
"""Hook to modify the build before saving it for Telemetry to use.
This can be used to remove various utilities that cause noise in a
test environment. Right now, it is just used to remove Keystone,
which is a tool used to autoupdate Chrome.
"""
if platform == 'mac_x86_64':
_RemoveKeystoneFromBuild(location)
return
if 'mac' in platform:
raise NotImplementedError(
'Platform <%s> sounds like it is an OSX version. If so, we may need to '
'remove Keystone from it per crbug.com/932615. Please edit this script'
' and teach it what needs to be done :).')
def _RemoveKeystoneFromBuild(location):
"""Removes the Keystone autoupdate binary from the chrome mac zipfile."""
logging.info('Removing keystone from mac build at %s' % location)
temp_folder = tempfile.mkdtemp(prefix='RemoveKeystoneFromBuild')
try:
subprocess.check_call(['unzip', '-q', location, '-d', temp_folder])
keystone_folder = os.path.join(
temp_folder, 'chrome-mac', 'Google Chrome.app', 'Contents',
'Frameworks', 'Google Chrome Framework.framework', 'Frameworks',
'KeystoneRegistration.framework')
shutil.rmtree(keystone_folder)
os.remove(location)
subprocess.check_call(['zip', '--quiet', '--recurse-paths', '--symlinks',
location, 'chrome-mac'],
cwd=temp_folder)
finally:
shutil.rmtree(temp_folder)
def UpdateBuilds():
config = base_config.BaseConfig(_CHROME_BINARIES_CONFIG, writable=True)
for channel in _CHANNELS_TO_UPDATE:
channel_versions_map = _ChannelVersionsMap(channel)
for platform in channel_versions_map:
print 'Downloading Chrome (%s channel) on %s' % (channel, platform)
current_version = config.GetVersion('chrome_%s' % channel, platform)
channel_version = channel_versions_map.get(platform)
print 'current: %s, channel: %s' % (current_version, channel_version)
if current_version and current_version == channel_version:
continue
_QueuePlatformUpdate(platform, channel_version, config, channel)
print 'Updating chrome builds with downloaded binaries'
config.ExecuteUpdateJobs(force=True)
def main():
logging.getLogger().setLevel(logging.DEBUG)
UpdateBuilds()
if __name__ == '__main__':
main()
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