crosvm.updateScript: update for new serving dash

The old dashboard no longer exists.  Currently, the platform version
being served doesn't exist in manifest versions, but that was also a
problem we had before sometimes.
This commit is contained in:
Alyssa Ross 2022-05-16 11:45:59 +00:00
parent 931ae3ee7b
commit acdfec904d

View file

@ -3,13 +3,12 @@
#! nix-shell -i python
import base64
import csv
import json
import re
import shlex
import subprocess
from os.path import abspath, dirname, splitext
from lxml import etree
from lxml.etree import HTMLParser
from urllib.request import urlopen
git_path = 'chromiumos/platform/crosvm'
@ -25,19 +24,22 @@ buildspecs_url = f'{manifest_versions}/+/refs/heads/master/full/buildspecs/'
# branch branches are used for fixes for specific devices. So for
# Chromium OS they will always be 0. This is a best guess, and is not
# documented.
with urlopen('https://cros-updates-serving.appspot.com/') as resp:
document = etree.parse(resp, HTMLParser())
# bgcolor="lightgreen" is set on the most up-to-date version for
# each channel, so find a lightgreen cell in the "Stable" column.
(platform_version, chrome_version) = document.xpath("""
(//table[@id="cros-updates"]/tr/td[1 + count(
//table[@id="cros-updates"]/thead/tr[1]/th[text() = "Stable"]
/preceding-sibling::*)
][@bgcolor="lightgreen"])[1]/text()
""")
with urlopen('https://chromiumdash.appspot.com/cros/download_serving_builds_csv?deviceCategory=ChromeOS') as resp:
reader = csv.reader(map(bytes.decode, resp))
header = reader.__next__()
cr_stable_index = header.index('cr_stable')
cros_stable_index = header.index('cros_stable')
chrome_version = []
platform_version = []
chrome_major_version = re.match(r'\d+', chrome_version)[0]
chromeos_tip_build = re.match(r'\d+', platform_version)[0]
for line in reader:
this_chrome_version = list(map(int, line[cr_stable_index].split('.')))
this_platform_version = list(map(int, line[cros_stable_index].split('.')))
chrome_version = max(chrome_version, this_chrome_version)
platform_version = max(platform_version, this_platform_version)
chrome_major_version = chrome_version[0]
chromeos_tip_build = str(platform_version[0])
# Find the most recent buildspec for the stable Chrome version and
# Chromium OS build number. Its branch build and branch branch build