# Copyright 2015 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.
import errno
import os
import re
import shutil
import signal
import stat
import subprocess
import sys
import tempfile
import threading
import logging
# Turn the logging level to INFO before importing other autotest
# code, to avoid having failed import logging messages confuse the
# test_that user.
logging.basicConfig(level=logging.INFO)
import common
from autotest_lib.client.common_lib.cros import dev_server, retry
from autotest_lib.client.common_lib import logging_manager
from autotest_lib.server.cros.dynamic_suite import suite, constants
from autotest_lib.server.cros import provision
from autotest_lib.server.hosts import factory
from autotest_lib.server import autoserv_utils
from autotest_lib.server import server_logging_config
from autotest_lib.server import utils
_autoserv_proc = None
_sigint_handler_lock = threading.Lock()
_AUTOSERV_SIGINT_TIMEOUT_SECONDS = 5
NO_BOARD = 'ad_hoc_board'
NO_BUILD = 'ad_hoc_build'
_SUITE_REGEX = r'suite:(.*)'
_TEST_KEY_FILENAME = 'testing_rsa'
TEST_KEY_PATH = ('/mnt/host/source/src/scripts/mod_for_test_scripts/'
'ssh_keys/%s' % _TEST_KEY_FILENAME)
_LATEST_RESULTS_DIRECTORY = '/tmp/test_that_latest'
class TestThatRunError(Exception):
"""Raised if test_that encounters something unexpected while running."""
class TestThatProvisioningError(Exception):
"""Raised when it fails to provision the DUT to the requested build."""
def add_common_args(parser):
"""
Add common arguments for both test_that and test_droid to their parser.
@param parser: argparse.ArgumentParser object to add arguments to.
"""
parser.add_argument('tests', nargs='+', metavar='TEST',
help='Run given test(s). Use suite:SUITE to specify '
'test suite. Use e:[NAME_PATTERN] to specify a '
'NAME-matching regular expression. Use '
'f:[FILE_PATTERN] to specify a filename matching '
'regular expression. Specified regular '
'expressions will be implicitly wrapped in '
'^ and $.')
parser.add_argument('--fast', action='store_true', dest='fast_mode',
default=False,
help='Enable fast mode. This will cause test_droid '
'to skip time consuming steps like sysinfo and '
'collecting crash information.')
parser.add_argument('--args', metavar='ARGS',
help='Whitespace separated argument string to pass '
'through to test. Only supported for runs '
'against a local DUT.')
parser.add_argument('--results_dir', metavar='RESULTS_DIR', default=None,
help='Instead of storing results in a new subdirectory'
' of /tmp , store results in RESULTS_DIR. If '
'RESULTS_DIR already exists, it will be deleted.')
parser.add_argument('--pretend', action='store_true', default=False,
help='Print autoserv commands that would be run, '
'rather than running them.')
parser.add_argument('--no-experimental', action='store_true',
default=False, dest='no_experimental',
help='When scheduling a suite, skip any tests marked '
'as experimental. Applies only to tests scheduled'
' via suite:[SUITE].')
parser.add_argument('--enforce-deps', action='store_true',
default=False, dest='enforce_deps',
help='Skip tests whose DEPENDENCIES can not '
'be satisfied.')
parser.add_argument('--debug', action='store_true',
help='Include DEBUG level messages in stdout. Note: '
'these messages will be included in output log '
'file regardless. In addition, turn on autoserv '
'verbosity.')
parser.add_argument('--iterations', action='store', type=int, default=1,
help='Number of times to run the tests specified.')
parser.add_argument('--ssh_verbosity', action='store', type=int,
choices=[0, 1, 2, 3], default=0,
help='Verbosity level for ssh, between 0 and 3 '
'inclusive.')
parser.add_argument('--ssh_options', action='store', default=None,
help='A string giving additional options to be '
'added to ssh commands.')
def fetch_local_suite(autotest_path, suite_predicate, afe, test_arg, remote,
build=NO_BUILD, board=NO_BOARD,
results_directory=None, no_experimental=False,
ignore_deps=True):
"""Create a suite from the given suite predicate.
Satisfaction of dependencies is enforced by Suite.schedule() if
ignore_deps is False. Note that this method assumes only one host,
i.e. |remote|, was added to afe. Suite.schedule() will not
schedule a job if none of the hosts in the afe (in our case,
just one host |remote|) has a label that matches a requested
test dependency.
@param autotest_path: Absolute path to autotest (in sysroot or
custom autotest directory set by --autotest_dir).
@param suite_predicate: callable that takes ControlData objects, and
returns True on those that should be in suite
@param afe: afe object to schedule against (typically a directAFE)
@param test_arg: String. An individual TEST command line argument, e.g.
'login_CryptohomeMounted' or 'suite:smoke'.
@param remote: String representing the IP of the remote host.
@param build: Build to schedule suite for.
@param board: Board to schedule suite for.
@param results_directory: Absolute path of directory to store results in.
(results will be stored in subdirectory of this).
@param no_experimental: Skip experimental tests when scheduling a suite.
@param ignore_deps: If True, test dependencies will be ignored.
@returns: A suite.Suite object.
"""
fs_getter = suite.Suite.create_fs_getter(autotest_path)
devserver = dev_server.ImageServer('')
my_suite = suite.Suite.create_from_predicates([suite_predicate],
{provision.CROS_VERSION_PREFIX: build},
constants.BOARD_PREFIX + board,
devserver, fs_getter, afe=afe,
ignore_deps=ignore_deps,
results_dir=results_directory, forgiving_parser=False)
if len(my_suite.tests) == 0:
(similarity_predicate, similarity_description) = (
get_predicate_for_possible_test_arg(test_arg))
logging.error('No test found, searching for possible tests with %s',
similarity_description)
possible_tests = suite.Suite.find_possible_tests(fs_getter,
similarity_predicate)
raise ValueError('Found no tests. Check your suite name, test name, '
'or test matching wildcard.\nDid you mean any of '
'following tests?\n %s' % '\n '.join(possible_tests))
if not ignore_deps:
# Log tests whose dependencies can't be satisfied.
labels = [label.name for label in
afe.get_labels(host__hostname=remote)]
for test in my_suite.tests:
if test.experimental and no_experimental:
continue
unsatisfiable_deps = set(test.dependencies).difference(labels)
if unsatisfiable_deps:
logging.warning('%s will be skipped, unsatisfiable '
'test dependencies: %s', test.name,
unsatisfiable_deps)
return my_suite
def _run_autoserv(command, pretend=False):
"""Run autoserv command.
Run the autoserv command and wait on it. Log the stdout.
Ensure that SIGINT signals are passed along to autoserv.
@param command: the autoserv command to run.
@returns: exit code of the command.
"""
if not pretend:
logging.debug('Running autoserv command: %s', command)
global _autoserv_proc
_autoserv_proc = subprocess.Popen(command,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
# This incantation forces unbuffered reading from stdout,
# so that autoserv output can be displayed to the user
# immediately.
for message in iter(_autoserv_proc.stdout.readline, b''):
logging.info('autoserv| %s', message.strip())
_autoserv_proc.wait()
returncode = _autoserv_proc.returncode
_autoserv_proc = None
else:
logging.info('Pretend mode. Would run autoserv command: %s',
command)
returncode = 0
return returncode
def run_provisioning_job(provision_label, host, autotest_path,
results_directory, fast_mode,
ssh_verbosity=0, ssh_options=None,
pretend=False, autoserv_verbose=False):
"""Shell out to autoserv to run provisioning job.
@param provision_label: Label to provision the machine to.
@param host: Hostname of DUT.
@param autotest_path: Absolute path of autotest directory.
@param results_directory: Absolute path of directory to store results in.
(results will be stored in subdirectory of this).
@param fast_mode: bool to use fast mode (disables slow autotest features).
@param ssh_verbosity: SSH verbosity level, passed along to autoserv_utils
@param ssh_options: Additional ssh options to be passed to autoserv_utils
@param pretend: If True, will print out autoserv commands rather than
running them.
@param autoserv_verbose: If true, pass the --verbose flag to autoserv.
@returns: Absolute path of directory where results were stored.
"""
# TODO(fdeng): When running against a local DUT, autoserv
# is still hitting the AFE in the lab.
# provision_AutoUpdate checks the current build of DUT by
# retrieving build info from AFE. crosbug.com/295178
results_directory = os.path.join(results_directory, 'results-provision')
command = autoserv_utils.autoserv_run_job_command(
os.path.join(autotest_path, 'server'),
machines=host, job=None, verbose=autoserv_verbose,
results_directory=results_directory,
fast_mode=fast_mode, ssh_verbosity=ssh_verbosity,
ssh_options=ssh_options,
extra_args=['--provision', '--job-labels', provision_label],
no_console_prefix=True)
if _run_autoserv(command, pretend) != 0:
raise TestThatProvisioningError('Command returns non-zero code: %s ' %
command)
return results_directory
def run_job(job, host, autotest_path, results_directory, fast_mode,
id_digits=1, ssh_verbosity=0, ssh_options=None,
args=None, pretend=False,
autoserv_verbose=False, host_attributes={}):
"""
Shell out to autoserv to run an individual test job.
@param job: A Job object containing the control file contents and other
relevent metadata for this test.
@param host: Hostname of DUT to run test against.
@param autotest_path: Absolute path of autotest directory.
@param results_directory: Absolute path of directory to store results in.
(results will be stored in subdirectory of this).
@param fast_mode: bool to use fast mode (disables slow autotest features).
@param id_digits: The minimum number of digits that job ids should be
0-padded to when formatting as a string for results
directory.
@param ssh_verbosity: SSH verbosity level, passed along to autoserv_utils
@param ssh_options: Additional ssh options to be passed to autoserv_utils
@param args: String that should be passed as args parameter to autoserv,
and then ultimitely to test itself.
@param pretend: If True, will print out autoserv commands rather than
running them.
@param autoserv_verbose: If true, pass the --verbose flag to autoserv.
@param host_attributes: Dict of host attributes to pass into autoserv.
@returns: a tuple, return code of the job and absolute path of directory
where results were stored.
"""
with tempfile.NamedTemporaryFile() as temp_file:
temp_file.write(job.control_file)
temp_file.flush()
name_tail = job.name.split('/')[-1]
results_directory = os.path.join(results_directory,
'results-%0*d-%s' % (id_digits, job.id,
name_tail))
# Drop experimental keyval in the keval file in the job result folder.
os.makedirs(results_directory)
utils.write_keyval(results_directory,
{constants.JOB_EXPERIMENTAL_KEY: job.keyvals[
constants.JOB_EXPERIMENTAL_KEY]})
extra_args = [temp_file.name]
if args:
extra_args.extend(['--args', args])
command = autoserv_utils.autoserv_run_job_command(
os.path.join(autotest_path, 'server'),
machines=host, job=job, verbose=autoserv_verbose,
results_directory=results_directory,
fast_mode=fast_mode, ssh_verbosity=ssh_verbosity,
ssh_options=ssh_options,
extra_args=extra_args,
no_console_prefix=True,
use_packaging=False,
host_attributes=host_attributes)
code = _run_autoserv(command, pretend)
return code, results_directory
def setup_local_afe():
"""
Setup a local afe database and return a direct_afe object to access it.
@returns: A autotest_lib.frontend.afe.direct_afe instance.
"""
# This import statement is delayed until now rather than running at
# module load time, because it kicks off a local sqlite :memory: backed
# database, and we don't need that unless we are doing a local run.
from autotest_lib.frontend import setup_django_lite_environment
from autotest_lib.frontend.afe import direct_afe
return direct_afe.directAFE()
def get_predicate_for_test_arg(test):
"""
Gets a suite predicte function for a given command-line argument.
@param test: String. An individual TEST command line argument, e.g.
'login_CryptohomeMounted' or 'suite:smoke'
@returns: A (predicate, string) tuple with the necessary suite
predicate, and a description string of the suite that
this predicate will produce.
"""
suitematch = re.match(_SUITE_REGEX, test)
name_pattern_match = re.match(r'e:(.*)', test)
file_pattern_match = re.match(r'f:(.*)', test)
if suitematch:
suitename = suitematch.group(1)
return (suite.Suite.name_in_tag_predicate(suitename),
'suite named %s' % suitename)
if name_pattern_match:
pattern = '^%s$' % name_pattern_match.group(1)
return (suite.Suite.test_name_matches_pattern_predicate(pattern),
'suite to match name pattern %s' % pattern)
if file_pattern_match:
pattern = '^%s$' % file_pattern_match.group(1)
return (suite.Suite.test_file_matches_pattern_predicate(pattern),
'suite to match file name pattern %s' % pattern)
return (suite.Suite.test_name_equals_predicate(test),
'job named %s' % test)
def get_predicate_for_possible_test_arg(test):
"""
Gets a suite predicte function to calculate the similarity of given test
and possible tests.
@param test: String. An individual TEST command line argument, e.g.
'login_CryptohomeMounted' or 'suite:smoke'
@returns: A (predicate, string) tuple with the necessary suite
predicate, and a description string of the suite that
this predicate will produce.
"""
suitematch = re.match(_SUITE_REGEX, test)
name_pattern_match = re.match(r'e:(.*)', test)
file_pattern_match = re.match(r'f:(.*)', test)
if suitematch:
suitename = suitematch.group(1)
return (suite.Suite.name_in_tag_similarity_predicate(suitename),
'suite name similar to %s' % suitename)
if name_pattern_match:
pattern = '^%s$' % name_pattern_match.group(1)
return (suite.Suite.test_name_similarity_predicate(pattern),
'job name similar to %s' % pattern)
if file_pattern_match:
pattern = '^%s$' % file_pattern_match.group(1)
return (suite.Suite.test_file_similarity_predicate(pattern),
'suite to match file name similar to %s' % pattern)
return (suite.Suite.test_name_similarity_predicate(test),
'job name similar to %s' % test)
def add_ssh_identity(temp_directory, ssh_private_key=TEST_KEY_PATH):
"""Add an ssh identity to the agent.
TODO (sbasi) b/26186193: Add support for test_droid and make TEST_KEY_PATH
not Chrome OS specific.
@param temp_directory: A directory to copy the |private key| into.
@param ssh_private_key: Path to the ssh private key to use for testing.
"""
# Add the testing key to the current ssh agent.
if os.environ.has_key('SSH_AGENT_PID'):
# Copy the testing key to the temp directory and make it NOT
# world-readable. Otherwise, ssh-add complains.
shutil.copy(ssh_private_key, temp_directory)
key_copy_path = os.path.join(temp_directory,
os.path.basename(ssh_private_key))
os.chmod(key_copy_path, stat.S_IRUSR | stat.S_IWUSR)
p = subprocess.Popen(['ssh-add', key_copy_path],
stderr=subprocess.STDOUT, stdout=subprocess.PIPE)
p_out, _ = p.communicate()
for line in p_out.splitlines():
logging.info(line)
else:
logging.warning('There appears to be no running ssh-agent. Attempting '
'to continue without running ssh-add, but ssh commands '
'may fail.')
def _auto_detect_labels(afe, remote):
"""Automatically detect host labels and add them to the host in afe.
Note that the label of board will not be auto-detected.
This method assumes the host |remote| has already been added to afe.
@param afe: A direct_afe object used to interact with local afe database.
@param remote: The hostname of the remote device.
"""
cros_host = factory.create_host(remote)
labels_to_create = [label for label in cros_host.get_labels()
if not label.startswith(constants.BOARD_PREFIX)]
labels_to_add_to_afe_host = []
for label in labels_to_create:
new_label = afe.create_label(label)
labels_to_add_to_afe_host.append(new_label.name)
hosts = afe.get_hosts(hostname=remote)
if not hosts:
raise TestThatRunError('Unexpected error: %s has not '
'been added to afe.' % remote)
afe_host = hosts[0]
afe_host.add_labels(labels_to_add_to_afe_host)
def perform_local_run(afe, autotest_path, tests, remote, fast_mode,
build=NO_BUILD, board=NO_BOARD, args=None,
pretend=False, no_experimental=False,
ignore_deps=True,
results_directory=None, ssh_verbosity=0,
ssh_options=None,
autoserv_verbose=False,
iterations=1,
host_attributes={}):
"""Perform local run of tests.
This method enforces satisfaction of test dependencies for tests that are
run as a part of a suite.
@param afe: A direct_afe object used to interact with local afe database.
@param autotest_path: Absolute path of autotest installed in sysroot or
custom autotest path set by --autotest_dir.
@param tests: List of strings naming tests and suites to run. Suite strings
should be formed like "suite:smoke".
@param remote: Remote hostname.
@param fast_mode: bool to use fast mode (disables slow autotest features).
@param build: String specifying build for local run.
@param board: String specifyinb board for local run.
@param args: String that should be passed as args parameter to autoserv,
and then ultimitely to test itself.
@param pretend: If True, will print out autoserv commands rather than
running them.
@param no_experimental: Skip experimental tests when scheduling a suite.
@param ignore_deps: If True, test dependencies will be ignored.
@param results_directory: Directory to store results in. Defaults to None,
in which case results will be stored in a new
subdirectory of /tmp
@param ssh_verbosity: SSH verbosity level, passed through to
autoserv_utils.
@param ssh_options: Additional ssh options to be passed to autoserv_utils
@param autoserv_verbose: If true, pass the --verbose flag to autoserv.
@param iterations: int number of times to schedule tests.
@param host_attributes: Dict of host attributes to pass into autoserv.
@returns: A list of return codes each job that has run.
"""
# Create host in afe, add board and build labels.
cros_version_label = provision.cros_version_to_label(build)
build_label = afe.create_label(cros_version_label)
board_label = afe.create_label(constants.BOARD_PREFIX + board)
new_host = afe.create_host(remote)
new_host.add_labels([build_label.name, board_label.name])
if not ignore_deps:
logging.info('Auto-detecting labels for %s', remote)
_auto_detect_labels(afe, remote)
# Provision the host to |build|.
if build != NO_BUILD:
logging.info('Provisioning %s...', cros_version_label)
try:
run_provisioning_job(cros_version_label, remote, autotest_path,
results_directory, fast_mode,
ssh_verbosity, ssh_options,
pretend, autoserv_verbose)
except TestThatProvisioningError as e:
logging.error('Provisioning %s to %s failed, tests are aborted, '
'failure reason: %s',
remote, cros_version_label, e)
return
# Create suites that will be scheduled.
suites_and_descriptions = []
for test in tests:
(predicate, description) = get_predicate_for_test_arg(test)
logging.info('Fetching suite for %s...', description)
suite = fetch_local_suite(autotest_path, predicate, afe, test_arg=test,
remote=remote,
build=build, board=board,
results_directory=results_directory,
no_experimental=no_experimental,
ignore_deps=ignore_deps)
suites_and_descriptions.append((suite, description))
# Schedule the suites, looping over iterations if necessary.
for iteration in range(iterations):
if iteration > 0:
logging.info('Repeating scheduling for iteration %d:', iteration)
for suite, description in suites_and_descriptions:
logging.info('Scheduling suite for %s...', description)
ntests = suite.schedule(
lambda log_entry, log_in_subdir=False: None,
add_experimental=not no_experimental)
logging.info('... scheduled %s job(s).', ntests)
if not afe.get_jobs():
logging.info('No jobs scheduled. End of local run.')
return
last_job_id = afe.get_jobs()[-1].id
job_id_digits = len(str(last_job_id))
codes = []
for job in afe.get_jobs():
code, _ = run_job(job, remote, autotest_path, results_directory,
fast_mode, job_id_digits, ssh_verbosity, ssh_options, args,
pretend, autoserv_verbose, host_attributes)
codes.append(code)
return codes
def sigint_handler(signum, stack_frame):
#pylint: disable-msg=C0111
"""Handle SIGINT or SIGTERM to a local test_that run.
This handler sends a SIGINT to the running autoserv process,
if one is running, giving it up to 5 seconds to clean up and exit. After
the timeout elapses, autoserv is killed. In either case, after autoserv
exits then this process exits with status 1.
"""
# If multiple signals arrive before handler is unset, ignore duplicates
if not _sigint_handler_lock.acquire(False):
return
try:
# Ignore future signals by unsetting handler.
signal.signal(signal.SIGINT, signal.SIG_IGN)
signal.signal(signal.SIGTERM, signal.SIG_IGN)
logging.warning('Received SIGINT or SIGTERM. Cleaning up and exiting.')
if _autoserv_proc:
logging.warning('Sending SIGINT to autoserv process. Waiting up '
'to %s seconds for cleanup.',
_AUTOSERV_SIGINT_TIMEOUT_SECONDS)
_autoserv_proc.send_signal(signal.SIGINT)
timed_out, _ = retry.timeout(_autoserv_proc.wait,
timeout_sec=_AUTOSERV_SIGINT_TIMEOUT_SECONDS)
if timed_out:
_autoserv_proc.kill()
logging.warning('Timed out waiting for autoserv to handle '
'SIGINT. Killed autoserv.')
finally:
_sigint_handler_lock.release() # this is not really necessary?
sys.exit(1)
def create_results_directory(results_directory=None):
"""Create a results directory.
If no directory is specified this method will create and return a
temp directory to hold results. If a directory name is specified this
method will create a directory at the given path, provided it doesn't
already exist.
@param results_directory: The path to the results_directory to create.
@return results_directory: A path to the results_directory, ready for use.
"""
if results_directory is None:
# Create a results_directory as subdir of /tmp
results_directory = tempfile.mkdtemp(prefix='test_that_results_')
else:
# Delete results_directory if it already exists.
try:
shutil.rmtree(results_directory)
except OSError as e:
if e.errno != errno.ENOENT:
raise
# Create results_directory if it does not exist
try:
os.makedirs(results_directory)
except OSError as e:
if e.errno != errno.EEXIST:
raise
return results_directory
def perform_run_from_autotest_root(autotest_path, argv, tests, remote,
build=NO_BUILD, board=NO_BOARD, args=None,
pretend=False, no_experimental=False,
ignore_deps=True,
results_directory=None, ssh_verbosity=0,
ssh_options=None,
iterations=1, fast_mode=False, debug=False,
whitelist_chrome_crashes=False,
host_attributes={}):
"""
Perform a test_that run, from the |autotest_path|.
This function is to be called from test_that/test_droid's main() script,
when tests are executed from the |autotest_path|. It handles all stages
of a test run that come after the bootstrap into |autotest_path|.
@param autotest_path: Full absolute path to the autotest root directory.
@param argv: The arguments list, as passed to main(...)
@param tests: List of strings naming tests and suites to run. Suite strings
should be formed like "suite:smoke".
@param remote: Remote hostname.
@param build: String specifying build for local run.
@param board: String specifyinb board for local run.
@param args: String that should be passed as args parameter to autoserv,
and then ultimitely to test itself.
@param pretend: If True, will print out autoserv commands rather than
running them.
@param no_experimental: Skip experimental tests when scheduling a suite.
@param ignore_deps: If True, test dependencies will be ignored.
@param results_directory: Directory to store results in. Defaults to None,
in which case results will be stored in a new
subdirectory of /tmp
@param ssh_verbosity: SSH verbosity level, passed through to
autoserv_utils.
@param ssh_options: Additional ssh options to be passed to autoserv_utils
@param autoserv_verbose: If true, pass the --verbose flag to autoserv.
@param iterations: int number of times to schedule tests.
@param fast_mode: bool to use fast mode (disables slow autotest features).
@param debug: Logging and autoserv verbosity.
@param whitelist_chrome_crashes: If True, whitelist chrome crashes.
@param host_attributes: Dict of host attributes to pass into autoserv.
@returns: A return code that test_that should exit with.
"""
if results_directory is None or not os.path.exists(results_directory):
raise ValueError('Expected valid results directory, got %s' %
results_directory)
logging_manager.configure_logging(
server_logging_config.ServerLoggingConfig(),
results_dir=results_directory,
use_console=True,
verbose=debug,
debug_log_name='test_that')
logging.info('Began logging to %s', results_directory)
logging.debug('test_that command line was: %s', argv)
signal.signal(signal.SIGINT, sigint_handler)
signal.signal(signal.SIGTERM, sigint_handler)
afe = setup_local_afe()
codes = perform_local_run(afe, autotest_path, tests, remote, fast_mode,
build, board,
args=args,
pretend=pretend,
no_experimental=no_experimental,
ignore_deps=ignore_deps,
results_directory=results_directory,
ssh_verbosity=ssh_verbosity,
ssh_options=ssh_options,
autoserv_verbose=debug,
iterations=iterations,
host_attributes=host_attributes)
if pretend:
logging.info('Finished pretend run. Exiting.')
return 0
test_report_command = [os.path.join(os.path.dirname(__file__),
'generate_test_report')]
# Experimental test results do not influence the exit code.
test_report_command.append('--ignore_experimental_tests')
if whitelist_chrome_crashes:
test_report_command.append('--whitelist_chrome_crashes')
test_report_command.append(results_directory)
final_result = subprocess.call(test_report_command)
with open(os.path.join(results_directory, 'test_report.log'),
'w') as report_log:
subprocess.call(test_report_command, stdout=report_log)
try:
os.unlink(_LATEST_RESULTS_DIRECTORY)
except OSError:
pass
link_target = os.path.relpath(results_directory,
os.path.dirname(_LATEST_RESULTS_DIRECTORY))
if any(codes):
logging.error('Autoserv encountered unexpected errors '
'when executing jobs.')
final_result = final_result or 1
os.symlink(link_target, _LATEST_RESULTS_DIRECTORY)
logging.info('Finished running tests. Results can be found in %s or %s',
results_directory, _LATEST_RESULTS_DIRECTORY)
return final_result