blob: fddda0567f62c4dc3ddbb46f8a6e3c34683db092 [file] [log] [blame]
# Copyright 2007 Google Inc. Released under the GPL v2
#pylint: disable-msg=C0111
import re, os, sys, traceback, time, glob, tempfile
import logging
from autotest_lib.server import installable_object, prebuild, utils
from autotest_lib.client.common_lib import base_job, error, autotemp
from autotest_lib.client.common_lib import base_packages, packages
from autotest_lib.client.common_lib import global_config
from autotest_lib.client.common_lib import utils as client_utils
from autotest_lib.client.common_lib.cros.graphite import autotest_stats
AUTOTEST_SVN = 'svn://'
get_value = global_config.global_config.get_config_value
autoserv_prebuild = get_value('AUTOSERV', 'enable_server_prebuild',
type=bool, default=False)
class AutodirNotFoundError(Exception):
"""No Autotest installation could be found."""
class AutotestFailure(Exception):
"""Gereric exception class for failures during a test run."""
class AutotestAbort(AutotestFailure):
AutotestAborts are thrown when the DUT seems fine,
and the test doesn't give us an explicit reason for
failure; In this case we have no choice but to abort.
class AutotestDeviceError(AutotestFailure):
Exceptions that inherit from AutotestDeviceError
are thrown when we can determine the current
state of the DUT and conclude that it probably
lead to the test failing; these exceptions lead
to failures instead of aborts.
class AutotestDeviceNotPingable(AutotestDeviceError):
"""Error for when a DUT becomes unpingable."""
class AutotestDeviceNotSSHable(AutotestDeviceError):
"""Error for when a DUT is pingable but not SSHable."""
class AutotestDeviceRebooted(AutotestDeviceError):
"""Error for when a DUT rebooted unexpectedly."""
class BaseAutotest(installable_object.InstallableObject):
This class represents the Autotest program.
Autotest is used to run tests automatically and collect the results.
It also supports profilers.
Implementation details:
This is a leaf class in an abstract class hierarchy, it must
implement the unimplemented methods in parent classes.
def __init__(self, host=None): = host = False
self.installed = False
self.serverdir = utils.get_server_dir()
super(BaseAutotest, self).__init__()
install_in_tmpdir = False
def set_install_in_tmpdir(cls, flag):
""" Sets a flag that controls whether or not Autotest should by
default be installed in a "standard" directory (e.g.
/home/autotest, /usr/local/autotest) or a temporary directory. """
cls.install_in_tmpdir = flag
def get_client_autodir_paths(cls, host):
return global_config.global_config.get_config_value(
'AUTOSERV', 'client_autodir_paths', type=list)
def get_installed_autodir(cls, host):
Find where the Autotest client is installed on the host.
@returns an absolute path to an installed Autotest client root.
@raises AutodirNotFoundError if no Autotest installation can be found.
autodir = host.get_autodir()
if autodir:
logging.debug('Using existing host autodir: %s', autodir)
return autodir
for path in Autotest.get_client_autodir_paths(host):
autotest_binary = os.path.join(path, 'bin', 'autotest')'test -x %s' % utils.sh_escape(autotest_binary))'test -w %s' % utils.sh_escape(path))
logging.debug('Found existing autodir at %s', path)
return path
except error.AutoservRunError:
logging.debug('%s does not exist on %s', autotest_binary,
raise AutodirNotFoundError
def get_install_dir(cls, host):
Determines the location where autotest should be installed on
host. If self.install_in_tmpdir is set, it will return a unique
temporary directory that autotest can be installed in. Otherwise, looks
for an existing installation to use; if none is found, looks for a
usable directory in the global config client_autodir_paths.
install_dir = cls.get_installed_autodir(host)
except AutodirNotFoundError:
install_dir = cls._find_installable_dir(host)
if cls.install_in_tmpdir:
return host.get_tmp_dir(parent=install_dir)
return install_dir
def _find_installable_dir(cls, host):
client_autodir_paths = cls.get_client_autodir_paths(host)
for path in client_autodir_paths:
try:'mkdir -p %s' % utils.sh_escape(path))'test -w %s' % utils.sh_escape(path))
return path
except error.AutoservRunError:
logging.debug('Failed to create %s', path)
metadata = {'_type': 'AutoservInstallError',
'hostname': host.hostname}
raise error.AutoservInstallError(
'Unable to find a place to install Autotest; tried %s' %
', '.join(client_autodir_paths))
def get_fetch_location(self):
c = global_config.global_config
repos = c.get_config_value("PACKAGES", 'fetch_location', type=list,
return repos
def install(self, host=None, autodir=None, use_packaging=True):
self._install(host=host, autodir=autodir, use_packaging=use_packaging)
def install_full_client(self, host=None, autodir=None):
self._install(host=host, autodir=autodir, use_autoserv=False,
def install_no_autoserv(self, host=None, autodir=None):
self._install(host=host, autodir=autodir, use_autoserv=False)
def _install_using_packaging(self, host, autodir):
repos = self.get_fetch_location()
if not repos:
raise error.PackageInstallError("No repos to install an "
"autotest client from")
pkgmgr = packages.PackageManager(autodir, hostname=host.hostname,
# The packages dir is used to store all the packages that
# are fetched on that client. (for the tests,deps etc.
# too apart from the client)
pkg_dir = os.path.join(autodir, 'packages')
# clean up the autodir except for the packages directory'cd %s && ls | grep -v "^packages$"'
' | xargs rm -rf && rm -rf .[!.]*' % autodir)
pkgmgr.install_pkg('autotest', 'client', pkg_dir, autodir,
self.installed = True
def _install_using_send_file(self, host, autodir):
dirs_to_exclude = set(["tests", "site_tests", "deps", "profilers",
light_files = [os.path.join(self.source_material, f)
for f in os.listdir(self.source_material)
if f not in dirs_to_exclude]
host.send_file(light_files, autodir, delete_dest=True)
# create empty dirs for all the stuff we excluded
commands = []
for path in dirs_to_exclude:
abs_path = os.path.join(autodir, path)
abs_path = utils.sh_escape(abs_path)
commands.append("mkdir -p '%s'" % abs_path)
commands.append("touch '%s'/" % abs_path)';'.join(commands))
def _install(self, host=None, autodir=None, use_autoserv=True,
Install autotest. If get() was not called previously, an
attempt will be made to install from the autotest svn
@param host A Host instance on which autotest will be installed
@param autodir Location on the remote host to install to
@param use_autoserv Enable install modes that depend on the client
running with the autoserv harness
@param use_packaging Enable install modes that use the packaging system
@exception AutoservError if a tarball was not specified and
the target host does not have svn installed in its path
if not host:
host =
if not
host.setup()"Installing autotest on %s", host.hostname)
# set up the autotest directory on the remote machine
if not autodir:
autodir = self.get_install_dir(host)'Using installation dir %s', autodir)
host.set_autodir(autodir)'mkdir -p %s' % utils.sh_escape(autodir))
# make sure there are no files in $AUTODIR/results
results_path = os.path.join(autodir, 'results')'rm -rf %s/*' % utils.sh_escape(results_path),
# Fetch the autotest client from the nearest repository
if use_packaging:
self._install_using_packaging(host, autodir)"Installation of autotest completed using the "
"packaging system.")
except (error.PackageInstallError, error.AutoservRunError,
global_config.ConfigError), e:"Could not install autotest using the packaging "
"system: %s. Trying other methods", e)
# Delete the package checksum file to force dut updating local
# packages.
command = ('rm -f "%s"' %
(os.path.join(autodir, base_packages.CHECKSUM_FILE)))
# try to install from file or directory
if self.source_material:
c = global_config.global_config
supports_autoserv_packaging = c.get_config_value(
"PACKAGES", "serve_packages_from_autoserv", type=bool)
# Copy autotest recursively
if supports_autoserv_packaging and use_autoserv:
self._install_using_send_file(host, autodir)
host.send_file(self.source_material, autodir, delete_dest=True)"Installation of autotest completed from %s",
self.installed = True
# if that fails try to install using svn
if'which svn').exit_status:
raise error.AutoservError('svn not found on target machine: %s' %
try:'svn checkout %s %s' % (AUTOTEST_SVN, autodir))
except error.AutoservRunError, e:'svn checkout %s %s' % (AUTOTEST_HTTP, autodir))"Installation of autotest completed using SVN.")
self.installed = True
def uninstall(self, host=None):
Uninstall (i.e. delete) autotest. Removes the autotest client install
from the specified host.
@params host a Host instance from which the client will be removed
if not self.installed:
if not host:
host =
autodir = host.get_autodir()
if not autodir:
# perform the actual uninstall"rm -rf %s" % utils.sh_escape(autodir), ignore_status=True)
self.installed = False
def get(self, location=None):
if not location:
location = os.path.join(self.serverdir, '../client')
location = os.path.abspath(location)
# If there's stuff run on our client directory already, it
# can cause problems. Try giving it a quick clean first.
cwd = os.getcwd()
utils.system('tools/make_clean', ignore_status=True)
super(BaseAutotest, self).get(location) = True
def run(self, control_file, results_dir='.', host=None, timeout=None,
tag=None, parallel_flag=False, background=False,
client_disconnect_timeout=None, use_packaging=True):
Run an autotest job on the remote machine.
@param control_file: An open file-like-obj of the control file.
@param results_dir: A str path where the results should be stored
on the local filesystem.
@param host: A Host instance on which the control file should
be run.
@param timeout: Maximum number of seconds to wait for the run or None.
@param tag: Tag name for the client side instance of autotest.
@param parallel_flag: Flag set when multiple jobs are run at the
same time.
@param background: Indicates that the client should be launched as
a background job; the code calling run will be responsible
for monitoring the client and collecting the results.
@param client_disconnect_timeout: Seconds to wait for the remote host
to come back after a reboot. Defaults to the host setting for
@raises AutotestRunError: If there is a problem executing
the control file.
host = self._get_host_and_setup(host, use_packaging=use_packaging)
results_dir = os.path.abspath(results_dir)
if client_disconnect_timeout is None:
client_disconnect_timeout = host.DEFAULT_REBOOT_TIMEOUT
if tag:
results_dir = os.path.join(results_dir, tag)
atrun = _Run(host, results_dir, tag, parallel_flag, background)
self._do_run(control_file, results_dir, host, atrun, timeout,
client_disconnect_timeout, use_packaging=use_packaging)
def _get_host_and_setup(self, host, use_packaging=True):
if not host:
host =
if not self.installed:
self.install(host, use_packaging=use_packaging)
return host
def _do_run(self, control_file, results_dir, host, atrun, timeout,
client_disconnect_timeout, use_packaging=True):
logging.error("Verify failed on %s. Reinstalling autotest",
debug = os.path.join(results_dir, 'debug')
except Exception:
delete_file_list = [atrun.remote_control_file,
atrun.remote_control_file + '.state',
atrun.manual_control_file + '.state']
cmd = ';'.join('rm -f ' + control for control in delete_file_list), ignore_status=True)
tmppath = utils.get(control_file, local_copy=True)
# build up the initialization prologue for the control file
prologue_lines = []
# Add the additional user arguments
prologue_lines.append("args = %r\n" % self.job.args)
# If the packaging system is being used, add the repository list.
repos = None
if use_packaging:
repos = self.get_fetch_location()
prologue_lines.append('job.add_repository(%s)\n' % repos)
logging.debug('use_packaging is set to False, do not add any '
except global_config.ConfigError, e:
# If repos is defined packaging is enabled so log the error
if repos:
# on full-size installs, turn on any profilers the server is using
if not atrun.background:
running_profilers = host.job.profilers.add_log.iteritems()
for profiler, (args, dargs) in running_profilers:
call_args = [repr(profiler)]
call_args += [repr(arg) for arg in args]
call_args += ["%s=%r" % item for item in dargs.iteritems()]
% ", ".join(call_args))
cfile = "".join(prologue_lines)
cfile += open(tmppath).read()
open(tmppath, "w").write(cfile)
# Create and copy state file to remote_control_file + '.state'
state_file = host.job.preprocess_client_state()
host.send_file(state_file, atrun.remote_control_file + '.init.state')
# Copy control_file to remote_control_file on the host
host.send_file(tmppath, atrun.remote_control_file)
if os.path.abspath(tmppath) != os.path.abspath(control_file):
def _check_client_test_result(cls, host, test_name):
Check result of client test.
Autotest will store results in the file name status.
We check that second to last line in that file begins with 'END GOOD'
@raises TestFail: If client test does not pass.
client_result_dir = '%s/results/default' % host.autodir
command = 'tail -2 %s/status | head -1' % client_result_dir
status =
if status[:8] != 'END GOOD':
raise error.TestFail('%s client test did not pass.' % test_name)
def run_timed_test(self, test_name, results_dir='.', host=None,
timeout=None, parallel_flag=False, background=False,
client_disconnect_timeout=None, *args, **dargs):
Assemble a tiny little control file to just run one test,
and run it as an autotest client-side test
if not host:
host =
if not self.installed:
opts = ["%s=%s" % (o[0], repr(o[1])) for o in dargs.items()]
cmd = ", ".join([repr(test_name)] + map(repr, args) + opts)
control = "job.run_test(%s)\n" % cmd, results_dir, host, timeout=timeout,
parallel_flag=parallel_flag, background=background,
if dargs.get('check_client_result', False):
self._check_client_test_result(host, test_name)
def run_test(self, test_name, results_dir='.', host=None,
parallel_flag=False, background=False,
client_disconnect_timeout=None, *args, **dargs):
self.run_timed_test(test_name, results_dir, host, timeout=None,
parallel_flag=parallel_flag, background=background,
*args, **dargs)
class _BaseRun(object):
Represents a run of autotest control file. This class maintains
all the state necessary as an autotest control file is executed.
It is not intended to be used directly, rather control files
should be run using the run method in Autotest.
def __init__(self, host, results_dir, tag, parallel_flag, background): = host
self.results_dir = results_dir
self.env = host.env
self.tag = tag
self.parallel_flag = parallel_flag
self.background = background
self.autodir = Autotest.get_installed_autodir(
control = os.path.join(self.autodir, 'control')
if tag:
control += '.' + tag
self.manual_control_file = control
self.remote_control_file = control + '.autoserv'
self.config_file = os.path.join(self.autodir, 'global_config.ini')
def verify_machine(self):
binary = os.path.join(self.autodir, 'bin/autotest')
try:'ls %s > /dev/null 2>&1' % binary)
raise error.AutoservInstallError(
"Autotest does not appear to be installed")
if not self.parallel_flag:
tmpdir = os.path.join(self.autodir, 'tmp')
download = os.path.join(self.autodir, 'tests/download')'umount %s' % tmpdir, ignore_status=True)'umount %s' % download, ignore_status=True)
def get_base_cmd_args(self, section):
args = ['--verbose']
if section > 0:
if self.tag:
args.append('-t %s' % self.tag)
args.append('--hostname=%s' %
args.append('--user=%s' %
return args
def get_background_cmd(self, section):
cmd = ['nohup', os.path.join(self.autodir, 'bin/autotest_client')]
cmd += self.get_base_cmd_args(section)
cmd += ['>/dev/null', '2>/dev/null', '&']
return ' '.join(cmd)
def get_daemon_cmd(self, section, monitor_dir):
cmd = ['nohup', os.path.join(self.autodir, 'bin/autotestd'),
monitor_dir, '-H autoserv']
cmd += self.get_base_cmd_args(section)
cmd += ['>/dev/null', '2>/dev/null', '&']
return ' '.join(cmd)
def get_monitor_cmd(self, monitor_dir, stdout_read, stderr_read):
cmd = [os.path.join(self.autodir, 'bin', 'autotestd_monitor'),
monitor_dir, str(stdout_read), str(stderr_read)]
return ' '.join(cmd)
def get_client_log(self):
"""Find what the "next" client.* prefix should be
@returns A string of the form client.INTEGER that should be prefixed
to all client debug log files.
max_digit = -1
debug_dir = os.path.join(self.results_dir, 'debug')
client_logs = glob.glob(os.path.join(debug_dir, 'client.*.*'))
for log in client_logs:
_, number, _ = log.split('.', 2)
if number.isdigit():
max_digit = max(max_digit, int(number))
return 'client.%d' % (max_digit + 1)
def copy_client_config_file(self, client_log_prefix=None):
Create and copy the client config file based on the server config.
@param client_log_prefix: Optional prefix to prepend to log files.
client_config_file = self._create_client_config_file(client_log_prefix), self.config_file)
def _create_client_config_file(self, client_log_prefix=None):
Create a temporary file with the [CLIENT] section configuration values
taken from the server global_config.ini.
@param client_log_prefix: Optional prefix to prepend to log files.
@return: Path of the temporary file generated.
config = global_config.global_config.get_section_values('CLIENT')
if client_log_prefix:
config.set('CLIENT', 'default_logging_name', client_log_prefix)
return self._create_aux_file(config.write)
def _create_aux_file(self, func, *args):
Creates a temporary file and writes content to it according to a
content creation function. The file object is appended to *args, which
is then passed to the content creation function
@param func: Function that will be used to write content to the
temporary file.
@param *args: List of parameters that func takes.
@return: Path to the temporary file that was created.
fd, path = tempfile.mkstemp(
aux_file = os.fdopen(fd, "w")
list_args = list(args)
return path
def is_client_job_finished(last_line):
return bool(re.match(r'^END .*\t----\t----\t.*$', last_line))
def is_client_job_rebooting(last_line):
return bool(re.match(r'^\t*GOOD\t----\treboot\.start.*$', last_line))
def _diagnose_dut(self, old_boot_id=None):
Run diagnostic checks on a DUT.
1. ping: A dead host will not respond to pings.
2. ssh (happens with 3.): DUT hangs usually fail in authentication
but respond to pings.
3. Check if a reboot occured: A healthy but unexpected reboot leaves the
host running with a new boot id.
This method will always raise an exception from the AutotestFailure
family and should only get called when the reason for a test failing
is ambiguous.
@raises AutotestDeviceNotPingable: If the DUT doesn't respond to ping.
@raises AutotestDeviceNotSSHable: If we cannot SSH into the DUT.
@raises AutotestDeviceRebooted: If the boot id changed.
@raises AutotestAbort: If none of the above exceptions were raised.
Since we have no recourse we must abort at this stage.
msg = 'Autotest client terminated unexpectedly: '
if, tries=1, deadline=1) != 0:
msg += 'DUT is no longer pingable, it may have rebooted or hung.\n'
raise AutotestDeviceNotPingable(msg)
if old_boot_id:
new_boot_id =
except Exception as e:
msg += ('DUT is pingable but not SSHable, it most likely'
' sporadically rebooted during testing. %s\n' % str(e))
raise AutotestDeviceNotSSHable(msg)
if new_boot_id != old_boot_id:
msg += 'DUT rebooted during the test run.\n'
raise AutotestDeviceRebooted(msg)
msg += ('DUT is pingable, SSHable and did NOT restart '
'un-expectedly. We probably lost connectivity during the '
msg += ('DUT is pingable, could not determine if an un-expected '
'reboot occured during the test.')
raise AutotestAbort(msg)
def log_unexpected_abort(self, stderr_redirector, old_boot_id=None):
Logs that something unexpected happened, then tries to diagnose the
failure. The purpose of this function is only to close out the status
log with the appropriate error message, not to critically terminate
the program.
@param stderr_redirector: log stream.
@param old_boot_id: boot id used to infer if a reboot occured.
except AutotestFailure as e:'END ABORT', None, None, str(e))
def _execute_in_background(self, section, timeout):
full_cmd = self.get_background_cmd(section)
devnull = open(os.devnull, "w")
result =, ignore_status=True,
return result
def _strip_stderr_prologue(stderr):
"""Strips the 'standard' prologue that get pre-pended to every
remote command and returns the text that was actually written to
stderr by the remote command."""
stderr_lines = stderr.split("\n")[1:]
if not stderr_lines:
return ""
elif stderr_lines[0].startswith("NOTE: autotestd_monitor"):
del stderr_lines[0]
return "\n".join(stderr_lines)
def _execute_daemon(self, section, timeout, stderr_redirector,
monitor_dir =
daemon_cmd = self.get_daemon_cmd(section, monitor_dir)
# grab the location for the server-side client log file
client_log_prefix = self.get_client_log()
client_log_path = os.path.join(self.results_dir, 'debug',
client_log_prefix + '.log')
client_log = open(client_log_path, 'w', 0)
stdout_read = stderr_read = 0
try:, ignore_status=True, timeout=timeout)
disconnect_warnings = []
while True:
monitor_cmd = self.get_monitor_cmd(monitor_dir, stdout_read,
result =, ignore_status=True,
except error.AutoservRunError, e:
result = e.result_obj
result.exit_status = None
"Autotest client was disconnected: %s" % e.description,
except error.AutoservSSHTimeout:
result = utils.CmdResult(monitor_cmd, "", "", None, 0)
"Attempt to connect to Autotest client timed out",
stdout_read += len(result.stdout)
stderr_read += len(self._strip_stderr_prologue(result.stderr))
if result.exit_status is not None:
# TODO ( sbasi: Remove extra logging.
logging.debug('Result exit status is %d.',
return result
elif not
raise error.AutoservSSHTimeout(
"client was disconnected, reconnect timed out")
def execute_section(self, section, timeout, stderr_redirector,
client_disconnect_timeout):"Executing %s/bin/autotest %s/control phase %d",
self.autodir, self.autodir, section)
if self.background:
result = self._execute_in_background(section, timeout)
result = self._execute_daemon(section, timeout, stderr_redirector,
last_line = stderr_redirector.last_line
# check if we failed hard enough to warrant an exception
if result.exit_status == 1:
err = error.AutotestRunError("client job was aborted")
elif not self.background and not result.stderr:
err = error.AutotestRunError(
"execute_section %s failed to return anything\n"
"stdout:%s\n" % (section, result.stdout))
err = None
# log something if the client failed AND never finished logging
if err and not self.is_client_job_finished(last_line):
if err:
raise err
return stderr_redirector.last_line
def _wait_for_reboot(self, old_boot_id):"Client is rebooting")"Waiting for client to halt")
if not,
err = "%s failed to shutdown after %d"
err %= (,
raise error.AutotestRunError(err)"Client down, waiting for restart")
if not
# since reboot failed
# hardreset the machine once if possible
# before failing this control file
warning = "%s did not come back up, hard resetting"
warning %=
except (AttributeError, error.AutoservUnsupportedError):
warning = "Hard reset unsupported on %s"
warning %=
raise error.AutotestRunError("%s failed to boot after %ds" %
def execute_control(self, timeout=None, client_disconnect_timeout=None):
if not self.background:
collector = log_collector(, self.tag, self.results_dir)
hostname =
remote_results = collector.client_results_dir
local_results = collector.server_results_dir, remote_results,
job_record_context =
section = 0
start_time = time.time()
logger = client_logger(, self.tag, self.results_dir)
while not timeout or time.time() < start_time + timeout:
if timeout:
section_timeout = start_time + timeout - time.time()
section_timeout = None
boot_id =
last = self.execute_section(section, section_timeout,
logger, client_disconnect_timeout)
if self.background:
section += 1
if self.is_client_job_finished(last):"Client complete")
elif self.is_client_job_rebooting(last):
except error.AutotestRunError, e:"ABORT", None, "reboot", str(e))"END ABORT", None, None, str(e))
# If a test fails without probable cause we try to bucket it's
# failure into one of 2 categories. If we can determine the
# current state of the device and it is suspicious, we close the
# status lines indicating a failure. If we either cannot
# determine the state of the device, or it appears totally
# healthy, we give up and abort.
except AutotestDeviceError as e:
# The status lines of the test are pretty much tailed to
# our log, with indentation, from the client job on the DUT.
# So if the DUT goes down unexpectedly we'll end up with a
# malformed status log unless we manually unwind the status
# stack. Ideally we would want to write a nice wrapper like
# server_job methods run_reboot, run_group but they expect
# reboots and we don't.'FAIL', None, None, str(e))'END FAIL', None, None)'END GOOD', None, None) = True
except AutotestAbort as e:'ABORT', None, None, str(e))'END ABORT', None, None)
# give the client machine a chance to recover from a crash * 3600)
msg = ("Aborting - unexpected final status message from "
"client on %s: %s\n") % (, last)
raise error.AutotestRunError(msg)
if not self.background:
state_file = os.path.basename(self.remote_control_file
+ '.state')
state_path = os.path.join(self.results_dir, state_file), remote_results,
# should only get here if we timed out
assert timeout
raise error.AutotestTimeoutError()
class log_collector(object):
def __init__(self, host, client_tag, results_dir): = host
if not client_tag:
client_tag = "default"
self.client_results_dir = os.path.join(host.get_autodir(), "results",
self.server_results_dir = results_dir
def collect_client_job_results(self):
""" A method that collects all the current results of a running
client job into the results dir. By default does nothing as no
client job is running, but when running a client job you can override
this with something that will actually do something. """
# make an effort to wait for the machine to come up
except error.AutoservError:
# don't worry about any errors, we'll try and
# get the results anyway
# Copy all dirs in default to results_dir
timer = autotest_stats.Timer('collect_client_job_results')
try: + '/',
self.server_results_dir, preserve_symlinks=True)
# Only report time used for successful get_file calls.
except Exception:
# well, don't stop running just because we couldn't get logs
e_msg = "Unexpected error copying test result logs, continuing ..."
def remove_redundant_client_logs(self):
"""Remove client.*.log files in favour of client.*.DEBUG files."""
debug_dir = os.path.join(self.server_results_dir, 'debug')
debug_files = [f for f in os.listdir(debug_dir)
if'^client\.\d+\.DEBUG$', f)]
for debug_file in debug_files:
log_file = debug_file.replace('DEBUG', 'log')
log_file = os.path.join(debug_dir, log_file)
if os.path.exists(log_file):
# a file-like object for catching stderr from an autotest client and
# extracting status logs from it
class BaseClientLogger(object):
"""Partial file object to write to both stdout and
the status log file. We only implement those methods actually calls.
status_parser = re.compile(r"^AUTOTEST_STATUS:([^:]*):(.*)$")
test_complete_parser = re.compile(r"^AUTOTEST_TEST_COMPLETE:(.*)$")
fetch_package_parser = re.compile(
extract_indent = re.compile(r"^(\t*).*$")
extract_timestamp = re.compile(r".*\ttimestamp=(\d+)\t.*$")
def __init__(self, host, tag, server_results_dir): = host
self.job = host.job
self.log_collector = log_collector(host, tag, server_results_dir)
self.leftover = ""
self.last_line = ""
self.logs = {}
def _process_log_dict(self, log_dict):
log_list = log_dict.pop("logs", [])
for key in sorted(log_dict.iterkeys()):
log_list += self._process_log_dict(log_dict.pop(key))
return log_list
def _process_logs(self):
"""Go through the accumulated logs in self.log and print them
out to stdout and the status log. Note that this processes
logs in an ordering where:
1) logs to different tags are never interleaved
2) logs to x.y come before logs to x.y.z for all z
3) logs to x.y come before x.z whenever y < z
Note that this will in general not be the same as the
chronological ordering of the logs. However, if a chronological
ordering is desired that one can be reconstructed from the
status log by looking at timestamp lines."""
log_list = self._process_log_dict(self.logs)
for entry in log_list:
self.job.record_entry(entry, log_in_subdir=False)
if log_list:
self.last_line = log_list[-1].render()
def _process_quoted_line(self, tag, line):
"""Process a line quoted with an AUTOTEST_STATUS flag. If the
tag is blank then we want to push out all the data we've been
building up in self.logs, and then the newest line. If the
tag is not blank, then push the line into the logs for handling
entry = base_job.status_log_entry.parse(line)
if entry is None:
return # the line contains no status lines
if tag == "":
self.job.record_entry(entry, log_in_subdir=False)
self.last_line = line
tag_parts = [int(x) for x in tag.split(".")]
log_dict = self.logs
for part in tag_parts:
log_dict = log_dict.setdefault(part, {})
log_list = log_dict.setdefault("logs", [])
def _process_info_line(self, line):
"""Check if line is an INFO line, and if it is, interpret any control
messages (e.g. enabling/disabling warnings) that it may contain."""
match ="^\t*INFO\t----\t----(.*)\t[^\t]*$", line)
if not match:
return # not an INFO line
for field in'\t'):
if field.startswith("warnings.enable="):
func = self.job.warning_manager.enable_warnings
elif field.startswith("warnings.disable="):
func = self.job.warning_manager.disable_warnings
warning_type = field.split("=", 1)[1]
def _process_line(self, line):
"""Write out a line of data to the appropriate stream. Status
lines sent by autotest will be prepended with
"AUTOTEST_STATUS", and all other lines are ssh error
status_match =
test_complete_match =
fetch_package_match =
if status_match:
tag, line = status_match.groups()
self._process_quoted_line(tag, line)
elif test_complete_match:
fifo_path, = test_complete_match.groups()
self.log_collector.collect_client_job_results()"echo A > %s" % fifo_path)
except Exception:
msg = "Post-test log collection failed, continuing anyway"
elif fetch_package_match:
pkg_name, dest_path, fifo_path = fetch_package_match.groups()
serve_packages = global_config.global_config.get_config_value(
"PACKAGES", "serve_packages_from_autoserv", type=bool)
if serve_packages and pkg_name.endswith(".tar.bz2"):
self._send_tarball(pkg_name, dest_path)
except Exception:
msg = "Package tarball creation failed, continuing anyway"
try:"echo B > %s" % fifo_path)
except Exception:
msg = "Package tarball installation failed, continuing anyway"
def _send_tarball(self, pkg_name, remote_dest):
name, pkg_type = self.job.pkgmgr.parse_tarball_name(pkg_name)
src_dirs = []
if pkg_type == 'test':
for test_dir in ['site_tests', 'tests']:
src_dir = os.path.join(self.job.clientdir, test_dir, name)
if os.path.exists(src_dir):
src_dirs += [src_dir]
if autoserv_prebuild:
prebuild.setup(self.job.clientdir, src_dir)
elif pkg_type == 'profiler':
src_dirs += [os.path.join(self.job.clientdir, 'profilers', name)]
if autoserv_prebuild:
prebuild.setup(self.job.clientdir, src_dir)
elif pkg_type == 'dep':
src_dirs += [os.path.join(self.job.clientdir, 'deps', name)]
elif pkg_type == 'client':
return # you must already have a client to hit this anyway
return # no other types are supported
# iterate over src_dirs until we find one that exists, then tar it
for src_dir in src_dirs:
if os.path.exists(src_dir):
try:'Bundling %s into %s', src_dir, pkg_name)
temp_dir = autotemp.tempdir(unique_id='autoserv-packager',
tarball_path = self.job.pkgmgr.tar_package(
pkg_name, src_dir,, " ."), remote_dest)
def log_warning(self, msg, warning_type):
"""Injects a WARN message into the current status logging stream."""
timestamp = int(time.time())
if self.job.warning_manager.is_valid(timestamp, warning_type):
self.job.record('WARN', None, None, msg)
def write(self, data):
# now start processing the existing buffer and the new data
data = self.leftover + data
lines = data.split('\n')
processed_lines = 0
# process all the buffered data except the last line
# ignore the last line since we may not have all of it yet
for line in lines[:-1]:
processed_lines += 1
# save any unprocessed lines for future processing
self.leftover = '\n'.join(lines[processed_lines:])
def flush(self):
def flush_all_buffers(self):
if self.leftover:
self.leftover = ""
def close(self):
SiteAutotest = client_utils.import_site_class(
__file__, "autotest_lib.server.site_autotest", "SiteAutotest",
_SiteRun = client_utils.import_site_class(
__file__, "autotest_lib.server.site_autotest", "_SiteRun", _BaseRun)
SiteClientLogger = client_utils.import_site_class(
__file__, "autotest_lib.server.site_autotest", "SiteClientLogger",
class Autotest(SiteAutotest):
class client_logger(SiteClientLogger):
class _Run(_SiteRun):