flatcar-scripts/bin/cbuildbot.py
Anush Elangovan 189d85d20e Revert "Fix issue with stale cache from bad builds."
This reverts commit 365d4b0cc8.

Fix preflight breakage, this seems like the most possible cause. Will recommit if not.

BUG=
TEST=

Review URL: http://codereview.chromium.org/3767012

Change-Id: I93fe463fec77c445e7ff0ec86db25d5ef2997ad7
2010-10-15 11:36:53 -07:00

463 lines
15 KiB
Python
Executable File

#!/usr/bin/python
# Copyright (c) 2010 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.
"""CBuildbot is wrapper around the build process used by the pre-flight queue"""
import errno
import re
import optparse
import os
import sys
import cbuildbot_comm
from cbuildbot_config import config
sys.path.append(os.path.join(os.path.dirname(__file__), '../lib'))
from cros_build_lib import Die, Info, RunCommand, Warning
_DEFAULT_RETRIES = 3
# ======================== Utility functions ================================
def MakeDir(path, parents=False):
"""Basic wrapper around os.mkdirs.
Keyword arguments:
path -- Path to create.
parents -- Follow mkdir -p logic.
"""
try:
os.makedirs(path)
except OSError, e:
if e.errno == errno.EEXIST and parents:
pass
else:
raise
def RepoSync(buildroot, rw_checkout=False, retries=_DEFAULT_RETRIES):
"""Uses repo to checkout the source code.
Keyword arguments:
rw_checkout -- Reconfigure repo after sync'ing to read-write.
retries -- Number of retries to try before failing on the sync.
"""
while retries > 0:
try:
# The --trace option ensures that repo shows the output from git. This
# is needed so that the buildbot can kill us if git is not making
# progress.
RunCommand(['repo', '--trace', 'sync'], cwd=buildroot)
if rw_checkout:
# Always re-run in case of new git repos or repo sync
# failed in a previous run because of a forced Stop Build.
RunCommand(['repo', 'forall', '-c', 'git', 'config',
'url.ssh://git@gitrw.chromium.org:9222.pushinsteadof',
'http://git.chromium.org/git'], cwd=buildroot)
retries = 0
except:
retries -= 1
if retries > 0:
Warning('CBUILDBOT -- Repo Sync Failed, retrying')
else:
Warning('CBUILDBOT -- Retries exhausted')
raise
# Output manifest
RunCommand(['repo', 'manifest', '-r', '-o', '-'], cwd=buildroot)
# =========================== Command Helpers =================================
def _GetAllGitRepos(buildroot, debug=False):
"""Returns a list of tuples containing [git_repo, src_path]."""
manifest_tuples = []
# Gets all the git repos from a full repo manifest.
repo_cmd = "repo manifest -o -".split()
output = RunCommand(repo_cmd, cwd=buildroot, redirect_stdout=True,
redirect_stderr=True, print_cmd=debug)
# Extract all lines containg a project.
extract_cmd = ["grep", "project name="]
output = RunCommand(extract_cmd, cwd=buildroot, input=output,
redirect_stdout=True, print_cmd=debug)
# Parse line using re to get tuple.
result_array = re.findall('.+name=\"([\w-]+)\".+path=\"(\S+)".+', output)
# Create the array.
for result in result_array:
if len(result) != 2:
Warning('Found incorrect xml object %s' % result)
else:
# Remove pre-pended src directory from manifest.
manifest_tuples.append([result[0], result[1].replace('src/', '')])
return manifest_tuples
def _GetCrosWorkOnSrcPath(buildroot, board, package, debug=False):
"""Returns ${CROS_WORKON_SRC_PATH} for given package."""
cwd = os.path.join(buildroot, 'src', 'scripts')
equery_cmd = ('equery-%s which %s' % (board, package)).split()
ebuild_path = RunCommand(equery_cmd, cwd=cwd, redirect_stdout=True,
redirect_stderr=True, enter_chroot=True,
error_ok=True, print_cmd=debug)
if ebuild_path:
ebuild_cmd = ('ebuild-%s %s info' % (board, ebuild_path)).split()
cros_workon_output = RunCommand(ebuild_cmd, cwd=cwd,
redirect_stdout=True, redirect_stderr=True,
enter_chroot=True, print_cmd=debug)
temp = re.findall('CROS_WORKON_SRCDIR="(\S+)"', cros_workon_output)
if temp:
return temp[0]
return None
def _CreateRepoDictionary(buildroot, board, debug=False):
"""Returns the repo->list_of_ebuilds dictionary."""
repo_dictionary = {}
manifest_tuples = _GetAllGitRepos(buildroot)
Info('Creating dictionary of git repos to portage packages ...')
cwd = os.path.join(buildroot, 'src', 'scripts')
get_all_workon_pkgs_cmd = './cros_workon list --all'.split()
packages = RunCommand(get_all_workon_pkgs_cmd, cwd=cwd,
redirect_stdout=True, redirect_stderr=True,
enter_chroot=True, print_cmd=debug)
for package in packages.split():
cros_workon_src_path = _GetCrosWorkOnSrcPath(buildroot, board, package)
if cros_workon_src_path:
for tuple in manifest_tuples:
# This path tends to have the user's home_dir prepended to it.
if cros_workon_src_path.endswith(tuple[1]):
Info('For %s found matching package %s' % (tuple[0], package))
if repo_dictionary.has_key(tuple[0]):
repo_dictionary[tuple[0]] += [package]
else:
repo_dictionary[tuple[0]] = [package]
return repo_dictionary
def _ParseRevisionString(revision_string, repo_dictionary):
"""Parses the given revision_string into a revision dictionary.
Returns a list of tuples that contain [portage_package_name, commit_id] to
update.
Keyword arguments:
revision_string -- revision_string with format
'repo1.git@commit_1 repo2.git@commit2 ...'.
repo_dictionary -- dictionary with git repository names as keys (w/out git)
to portage package names.
"""
# Using a dictionary removes duplicates.
revisions = {}
for revision in revision_string.split():
# Format 'package@commit-id'.
revision_tuple = revision.split('@')
if len(revision_tuple) != 2:
Warning('Incorrectly formatted revision %s' % revision)
repo_name = revision_tuple[0].replace('.git', '')
# Might not have entry if no matching ebuild.
if repo_dictionary.has_key(repo_name):
# May be many corresponding packages to a given git repo e.g. kernel).
for package in repo_dictionary[repo_name]:
revisions[package] = revision_tuple[1]
return revisions.items()
def _UprevFromRevisionList(buildroot, revision_list):
"""Uprevs based on revision list."""
if not revision_list:
Info('No packages found to uprev')
return
package_str = ''
commit_str = ''
for package, revision in revision_list:
package_str += package + ' '
commit_str += revision + ' '
package_str = package_str.strip()
commit_str = commit_str.strip()
cwd = os.path.join(buildroot, 'src', 'scripts')
RunCommand(['./cros_mark_as_stable',
'--tracking_branch="cros/master"',
'--packages="%s"' % package_str,
'--commit_ids="%s"' % commit_str,
'commit'],
cwd=cwd, enter_chroot=True)
def _UprevAllPackages(buildroot):
"""Uprevs all packages that have been updated since last uprev."""
cwd = os.path.join(buildroot, 'src', 'scripts')
RunCommand(['./cros_mark_all_as_stable',
'--tracking_branch="cros/master"'],
cwd=cwd, enter_chroot=True)
def _GetVMConstants(buildroot):
"""Returns minimum (vdisk_size, statefulfs_size) recommended for VM's."""
cwd = os.path.join(buildroot, 'src', 'scripts', 'lib')
source_cmd = 'source %s/cros_vm_constants.sh' % cwd
vdisk_size = RunCommand([
'/bin/bash', '-c', '%s && echo $MIN_VDISK_SIZE_FULL' % source_cmd],
redirect_stdout=True)
statefulfs_size = RunCommand([
'/bin/bash', '-c', '%s && echo $MIN_STATEFUL_FS_SIZE_FULL' % source_cmd],
redirect_stdout=True)
return (vdisk_size.strip(), statefulfs_size.strip())
# =========================== Main Commands ===================================
def _FullCheckout(buildroot, rw_checkout=True, retries=_DEFAULT_RETRIES):
"""Performs a full checkout and clobbers any previous checkouts."""
RunCommand(['sudo', 'rm', '-rf', buildroot])
MakeDir(buildroot, parents=True)
RunCommand(['repo', 'init', '-u', 'http://src.chromium.org/git/manifest'],
cwd=buildroot, input='\n\ny\n')
RepoSync(buildroot, rw_checkout, retries)
def _IncrementalCheckout(buildroot, rw_checkout=True,
retries=_DEFAULT_RETRIES):
"""Performs a checkout without clobbering previous checkout."""
_UprevCleanup(buildroot, error_ok=True)
RepoSync(buildroot, rw_checkout, retries)
def _MakeChroot(buildroot):
"""Wrapper around make_chroot."""
cwd = os.path.join(buildroot, 'src', 'scripts')
RunCommand(['./make_chroot', '--fast'], cwd=cwd)
def _SetupBoard(buildroot, board='x86-generic'):
"""Wrapper around setup_board."""
cwd = os.path.join(buildroot, 'src', 'scripts')
RunCommand(['./setup_board', '--fast', '--default', '--board=%s' % board],
cwd=cwd, enter_chroot=True)
def _Build(buildroot):
"""Wrapper around build_packages."""
cwd = os.path.join(buildroot, 'src', 'scripts')
RunCommand(['./build_packages'], cwd=cwd, enter_chroot=True)
def _WipeOldOutput(buildroot):
RunCommand(['rm', '-rf', 'src/build/images'], cwd=buildroot)
def _EnableLocalAccount(buildroot):
cwd = os.path.join(buildroot, 'src', 'scripts')
# Set local account for test images.
RunCommand(['./enable_localaccount.sh',
'chronos'],
print_cmd=False, cwd=cwd)
def _BuildImage(buildroot):
_WipeOldOutput(buildroot)
cwd = os.path.join(buildroot, 'src', 'scripts')
RunCommand(['./build_image', '--replace'], cwd=cwd, enter_chroot=True)
def _BuildVMImageForTesting(buildroot):
(vdisk_size, statefulfs_size) = _GetVMConstants(buildroot)
cwd = os.path.join(buildroot, 'src', 'scripts')
RunCommand(['./image_to_vm.sh',
'--test_image',
'--full',
'--vdisk_size %s' % vdisk_size,
'--statefulfs_size %s' % statefulfs_size,
], cwd=cwd, enter_chroot=True)
def _RunUnitTests(buildroot):
cwd = os.path.join(buildroot, 'src', 'scripts')
RunCommand(['./cros_run_unit_tests'], cwd=cwd, enter_chroot=True)
def _RunSmokeSuite(buildroot):
cwd = os.path.join(buildroot, 'src', 'scripts')
RunCommand(['bin/cros_run_vm_test',
'--no_graphics',
'--test_case',
'suite_Smoke',
], cwd=cwd, error_ok=False)
def _UprevPackages(buildroot, revisionfile, board):
"""Uprevs a package based on given revisionfile.
If revisionfile is set to None or does not resolve to an actual file, this
function will uprev all packages.
Keyword arguments:
revisionfile -- string specifying a file that contains a list of revisions to
uprev.
"""
# Purposefully set to None as it means Force Build was pressed.
revisions = 'None'
if (revisionfile):
try:
rev_file = open(revisionfile)
revisions = rev_file.read()
rev_file.close()
except Exception, e:
Warning('Error reading %s, revving all' % revisionfile)
revisions = 'None'
revisions = revisions.strip()
# TODO(sosa): Un-comment once we close individual trees.
# revisions == "None" indicates a Force Build.
#if revisions != 'None':
# print >> sys.stderr, 'CBUILDBOT Revision list found %s' % revisions
# revision_list = _ParseRevisionString(revisions,
# _CreateRepoDictionary(buildroot, board))
# _UprevFromRevisionList(buildroot, revision_list)
#else:
Info('CBUILDBOT Revving all')
_UprevAllPackages(buildroot)
def _UprevCleanup(buildroot, error_ok=False):
"""Clean up after a previous uprev attempt."""
cwd = os.path.join(buildroot, 'src', 'scripts')
RunCommand(['./cros_mark_as_stable', '--srcroot=..',
'--tracking_branch="cros/master"', 'clean'],
cwd=cwd, error_ok=error_ok)
def _UprevPush(buildroot):
"""Pushes uprev changes to the main line."""
cwd = os.path.join(buildroot, 'src', 'scripts')
RunCommand(['./cros_mark_as_stable', '--srcroot=..',
'--tracking_branch="cros/master"',
'--push_options', '--bypass-hooks -f', 'push'],
cwd=cwd)
def _GetConfig(config_name):
"""Gets the configuration for the build"""
default = config['default']
buildconfig = {}
if not config.has_key(config_name):
Warning('Non-existent configuration specified.')
Warning('Please specify one of:')
config_names = config.keys()
config_names.sort()
for name in config_names:
Warning(' %s' % name)
sys.exit(1)
buildconfig = config[config_name]
for key in default.iterkeys():
if not buildconfig.has_key(key):
buildconfig[key] = default[key]
return buildconfig
def main():
# Parse options
usage = "usage: %prog [options] cbuildbot_config"
parser = optparse.OptionParser(usage=usage)
parser.add_option('-r', '--buildroot',
help='root directory where build occurs', default=".")
parser.add_option('-n', '--buildnumber',
help='build number', type='int', default=0)
parser.add_option('-f', '--revisionfile',
help='file where new revisions are stored')
parser.add_option('--clobber', action='store_true', dest='clobber',
default=False,
help='Clobbers an old checkout before syncing')
(options, args) = parser.parse_args()
buildroot = options.buildroot
revisionfile = options.revisionfile
# Passed option to clobber.
if options.clobber:
RunCommand(['sudo', 'rm', '-rf', buildroot])
if len(args) >= 1:
buildconfig = _GetConfig(args[-1])
else:
Warning('Missing configuration description')
parser.print_usage()
sys.exit(1)
try:
if not os.path.isdir(buildroot):
_FullCheckout(buildroot)
else:
_IncrementalCheckout(buildroot)
chroot_path = os.path.join(buildroot, 'chroot')
if not os.path.isdir(chroot_path):
_MakeChroot(buildroot)
boardpath = os.path.join(chroot_path, 'build', buildconfig['board'])
if not os.path.isdir(boardpath):
_SetupBoard(buildroot, board=buildconfig['board'])
if buildconfig['uprev']:
_UprevPackages(buildroot, revisionfile, board=buildconfig['board'])
_EnableLocalAccount(buildroot)
_Build(buildroot)
if buildconfig['unittests']:
_RunUnitTests(buildroot)
_BuildImage(buildroot)
if buildconfig['smoke_bvt']:
_BuildVMImageForTesting(buildroot)
_RunSmokeSuite(buildroot)
if buildconfig['uprev']:
if buildconfig['master']:
# Master bot needs to check if the other slaves completed.
if cbuildbot_comm.HaveSlavesCompleted(config):
_UprevPush(buildroot)
_UprevCleanup(buildroot)
else:
# At least one of the slaves failed or we timed out.
_UprevCleanup(buildroot)
Die('CBUILDBOT - One of the slaves has failed!!!')
else:
# Publish my status to the master if its expecting it.
if buildconfig['important']:
cbuildbot_comm.PublishStatus(cbuildbot_comm.STATUS_BUILD_COMPLETE)
_UprevCleanup(buildroot)
except:
# Send failure to master bot.
if not buildconfig['master'] and buildconfig['important']:
cbuildbot_comm.PublishStatus(cbuildbot_comm.STATUS_BUILD_FAILED)
raise
if __name__ == '__main__':
main()