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# Copyright 2007 Google Inc. Released under the GPL v2
import re, os, sys, traceback, subprocess, time, pickle, glob, tempfile
import logging, getpass
from autotest_lib.server import installable_object, prebuild, utils
from autotest_lib.client.common_lib import base_job, log, error, autotemp
from autotest_lib.client.common_lib import global_config, packages
from autotest_lib.client.common_lib import utils as client_utils
AUTOTEST_SVN = 'svn://test.kernel.org/autotest/trunk/client'
AUTOTEST_HTTP = 'http://test.kernel.org/svn/autotest/trunk/client'
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 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):
self.host = host
self.got = False
self.installed = False
self.serverdir = utils.get_server_dir()
super(BaseAutotest, self).__init__()
install_in_tmpdir = False
@classmethod
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
@classmethod
def get_client_autodir_paths(cls, host):
return global_config.global_config.get_config_value(
'AUTOSERV', 'client_autodir_paths', type=list)
@classmethod
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):
try:
autotest_binary = os.path.join(path, 'bin', 'autotest')
host.run('test -x %s' % utils.sh_escape(autotest_binary))
host.run('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,
host.hostname)
raise AutodirNotFoundError
@classmethod
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.
"""
try:
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
@classmethod
def _find_installable_dir(cls, host):
client_autodir_paths = cls.get_client_autodir_paths(host)
for path in client_autodir_paths:
try:
host.run('mkdir -p %s' % utils.sh_escape(path))
host.run('test -w %s' % utils.sh_escape(path))
return path
except error.AutoservRunError:
logging.debug('Failed to create %s', path)
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,
default=[])
repos.reverse()
return repos
def install(self, host=None, autodir=None):
self._install(host=host, autodir=autodir)
def install_full_client(self, host=None, autodir=None):
self._install(host=host, autodir=autodir, use_autoserv=False,
use_packaging=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,
repo_urls=repos,
do_locking=False,
run_function=host.run,
run_function_dargs=dict(timeout=600))
# 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
host.run('cd %s && ls | grep -v "^packages$"'
' | xargs rm -rf && rm -rf .[^.]*' % autodir)
pkgmgr.install_pkg('autotest', 'client', pkg_dir, autodir,
preserve_install_dir=True)
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'/__init__.py" % abs_path)
host.run(';'.join(commands))
def _install(self, host=None, autodir=None, use_autoserv=True,
use_packaging=True):
"""
Install autotest. If get() was not called previously, an
attempt will be made to install from the autotest svn
repository.
@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 = self.host
if not self.got:
self.get()
host.wait_up(timeout=30)
host.setup()
logging.info("Installing autotest on %s", host.hostname)
# set up the autotest directory on the remote machine
if not autodir:
autodir = self.get_install_dir(host)
logging.info('Using installation dir %s', autodir)
host.set_autodir(autodir)
host.run('mkdir -p %s' % utils.sh_escape(autodir))
# make sure there are no files in $AUTODIR/results
results_path = os.path.join(autodir, 'results')
host.run('rm -rf %s/*' % utils.sh_escape(results_path),
ignore_status=True)
# Fetch the autotest client from the nearest repository
if use_packaging:
try:
self._install_using_packaging(host, autodir)
return
except (error.PackageInstallError, error.AutoservRunError,
global_config.ConfigError), e:
logging.info("Could not install autotest using the packaging "
"system: %s. Trying other methods", e)
# 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)
else:
host.send_file(self.source_material, autodir, delete_dest=True)
logging.info("Installation of autotest completed")
self.installed = True
return
# if that fails try to install using svn
if utils.run('which svn').exit_status:
raise error.AutoservError('svn not found on target machine: %s' %
host.name)
try:
host.run('svn checkout %s %s' % (AUTOTEST_SVN, autodir))
except error.AutoservRunError, e:
host.run('svn checkout %s %s' % (AUTOTEST_HTTP, autodir))
logging.info("Installation of autotest completed")
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:
return
if not host:
host = self.host
autodir = host.get_autodir()
if not autodir:
return
# perform the actual uninstall
host.run("rm -rf %s" % utils.sh_escape(autodir), ignore_status=True)
host.set_autodir(None)
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()
os.chdir(location)
try:
utils.system('tools/make_clean', ignore_status=True)
finally:
os.chdir(cwd)
super(BaseAutotest, self).get(location)
self.got = True
def run(self, control_file, results_dir='.', host=None, timeout=None,
tag=None, parallel_flag=False, background=False,
client_disconnect_timeout=None):
"""
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
DEFAULT_REBOOT_TIMEOUT.
@raises AutotestRunError: If there is a problem executing
the control file.
"""
host = self._get_host_and_setup(host)
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)
def _get_host_and_setup(self, host):
if not host:
host = self.host
if not self.installed:
self.install(host)
host.wait_up(timeout=30)
return host
def _do_run(self, control_file, results_dir, host, atrun, timeout,
client_disconnect_timeout):
try:
atrun.verify_machine()
except:
logging.error("Verify failed on %s. Reinstalling autotest",
host.hostname)
self.install(host)
atrun.verify_machine()
debug = os.path.join(results_dir, 'debug')
try:
os.makedirs(debug)
except Exception:
pass
delete_file_list = [atrun.remote_control_file,
atrun.remote_control_file + '.state',
atrun.manual_control_file,
atrun.manual_control_file + '.state']
cmd = ';'.join('rm -f ' + control for control in delete_file_list)
host.run(cmd, ignore_status=True)
tmppath = utils.get(control_file)
# 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
try:
repos = self.get_fetch_location()
pkgmgr = packages.PackageManager('autotest', hostname=host.hostname,
repo_urls=repos)
prologue_lines.append('job.add_repository(%s)\n' % repos)
except global_config.ConfigError, e:
# If repos is defined packaging is enabled so log the error
if repos:
logging.error(e)
# 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()]
prologue_lines.append("job.profilers.add(%s)\n"
% ", ".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')
os.remove(state_file)
# 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):
os.remove(tmppath)
atrun.execute_control(
timeout=timeout,
client_disconnect_timeout=client_disconnect_timeout)
def run_timed_test(self, test_name, results_dir='.', host=None,
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 = self.host
if not self.installed:
self.install(host)
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
self.run(control, results_dir, host, timeout=timeout)
def run_test(self, test_name, results_dir='.', host=None, *args, **dargs):
self.run_timed_test(test_name, results_dir, host, timeout=None,
*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):
self.host = 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(self.host)
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:
self.host.run('ls %s > /dev/null 2>&1' % binary)
except:
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')
self.host.run('umount %s' % tmpdir, ignore_status=True)
self.host.run('umount %s' % download, ignore_status=True)
def get_base_cmd_args(self, section):
args = ['--verbose']
if section > 0:
args.append('-c')
if self.tag:
args.append('-t %s' % self.tag)
if self.host.job.use_external_logging():
args.append('-l')
if self.host.hostname:
args.append('--hostname=%s' % self.host.hostname)
args.append('--user=%s' % self.host.job.user)
args.append(self.remote_control_file)
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.host.send_file(client_config_file, self.config_file)
os.remove(client_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(dir=self.host.job.tmpdir)
aux_file = os.fdopen(fd, "w")
try:
list_args = list(args)
list_args.append(aux_file)
func(*list_args)
finally:
aux_file.close()
return path
@staticmethod
def is_client_job_finished(last_line):
return bool(re.match(r'^END .*\t----\t----\t.*$', last_line))
@staticmethod
def is_client_job_rebooting(last_line):
return bool(re.match(r'^\t*GOOD\t----\treboot\.start.*$', last_line))
def log_unexpected_abort(self, stderr_redirector):
stderr_redirector.flush_all_buffers()
msg = "Autotest client terminated unexpectedly"
self.host.job.record("END ABORT", None, None, msg)
def _execute_in_background(self, section, timeout):
full_cmd = self.get_background_cmd(section)
devnull = open(os.devnull, "w")
self.copy_client_config_file(self.get_client_log())
self.host.job.push_execution_context(self.results_dir)
try:
result = self.host.run(full_cmd, ignore_status=True,
timeout=timeout,
stdout_tee=devnull,
stderr_tee=devnull)
finally:
self.host.job.pop_execution_context()
return result
@staticmethod
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,
client_disconnect_timeout):
monitor_dir = self.host.get_tmp_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)
self.copy_client_config_file(client_log_prefix)
stdout_read = stderr_read = 0
self.host.job.push_execution_context(self.results_dir)
try:
self.host.run(daemon_cmd, ignore_status=True, timeout=timeout)
disconnect_warnings = []
while True:
monitor_cmd = self.get_monitor_cmd(monitor_dir, stdout_read,
stderr_read)
try:
result = self.host.run(monitor_cmd, ignore_status=True,
timeout=timeout,
stdout_tee=client_log,
stderr_tee=stderr_redirector)
except error.AutoservRunError, e:
result = e.result_obj
result.exit_status = None
disconnect_warnings.append(e.description)
stderr_redirector.log_warning(
"Autotest client was disconnected: %s" % e.description,
"NETWORK")
except error.AutoservSSHTimeout:
result = utils.CmdResult(monitor_cmd, "", "", None, 0)
stderr_redirector.log_warning(
"Attempt to connect to Autotest client timed out",
"NETWORK")
stdout_read += len(result.stdout)
stderr_read += len(self._strip_stderr_prologue(result.stderr))
if result.exit_status is not None:
return result
elif not self.host.wait_up(client_disconnect_timeout):
raise error.AutoservSSHTimeout(
"client was disconnected, reconnect timed out")
finally:
client_log.close()
self.host.job.pop_execution_context()
def execute_section(self, section, timeout, stderr_redirector,
client_disconnect_timeout):
logging.info("Executing %s/bin/autotest %s/control phase %d",
self.autodir, self.autodir, section)
if self.background:
result = self._execute_in_background(section, timeout)
else:
result = self._execute_daemon(section, timeout, stderr_redirector,
client_disconnect_timeout)
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))
else:
err = None
# log something if the client failed AND never finished logging
if err and not self.is_client_job_finished(last_line):
self.log_unexpected_abort(stderr_redirector)
if err:
raise err
else:
return stderr_redirector.last_line
def _wait_for_reboot(self, old_boot_id):
logging.info("Client is rebooting")
logging.info("Waiting for client to halt")
if not self.host.wait_down(self.host.WAIT_DOWN_REBOOT_TIMEOUT,
old_boot_id=old_boot_id):
err = "%s failed to shutdown after %d"
err %= (self.host.hostname, self.host.WAIT_DOWN_REBOOT_TIMEOUT)
raise error.AutotestRunError(err)
logging.info("Client down, waiting for restart")
if not self.host.wait_up(self.host.DEFAULT_REBOOT_TIMEOUT):
# since reboot failed
# hardreset the machine once if possible
# before failing this control file
warning = "%s did not come back up, hard resetting"
warning %= self.host.hostname
logging.warning(warning)
try:
self.host.hardreset(wait=False)
except (AttributeError, error.AutoservUnsupportedError):
warning = "Hard reset unsupported on %s"
warning %= self.host.hostname
logging.warning(warning)
raise error.AutotestRunError("%s failed to boot after %ds" %
(self.host.hostname,
self.host.DEFAULT_REBOOT_TIMEOUT))
self.host.reboot_followup()
def execute_control(self, timeout=None, client_disconnect_timeout=None):
if not self.background:
collector = log_collector(self.host, self.tag, self.results_dir)
hostname = self.host.hostname
remote_results = collector.client_results_dir
local_results = collector.server_results_dir
self.host.job.add_client_log(hostname, remote_results,
local_results)
job_record_context = self.host.job.get_record_context()
section = 0
start_time = time.time()
logger = client_logger(self.host, self.tag, self.results_dir)
try:
while not timeout or time.time() < start_time + timeout:
if timeout:
section_timeout = start_time + timeout - time.time()
else:
section_timeout = None
boot_id = self.host.get_boot_id()
last = self.execute_section(section, section_timeout,
logger, client_disconnect_timeout)
if self.background:
return
section += 1
if self.is_client_job_finished(last):
logging.info("Client complete")
return
elif self.is_client_job_rebooting(last):
try:
self._wait_for_reboot(boot_id)
except error.AutotestRunError, e:
self.host.job.record("ABORT", None, "reboot", str(e))
self.host.job.record("END ABORT", None, None, str(e))
raise
continue
# if we reach here, something unexpected happened
self.log_unexpected_abort(logger)
# give the client machine a chance to recover from a crash
self.host.wait_up(self.host.HOURS_TO_WAIT_FOR_RECOVERY * 3600)
msg = ("Aborting - unexpected final status message from "
"client on %s: %s\n") % (self.host.hostname, last)
raise error.AutotestRunError(msg)
finally:
logger.close()
if not self.background:
collector.collect_client_job_results()
collector.remove_redundant_client_logs()
state_file = os.path.basename(self.remote_control_file
+ '.state')
state_path = os.path.join(self.results_dir, state_file)
self.host.job.postprocess_client_state(state_path)
self.host.job.remove_client_log(hostname, remote_results,
local_results)
job_record_context.restore()
# 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):
self.host = host
if not client_tag:
client_tag = "default"
self.client_results_dir = os.path.join(host.get_autodir(), "results",
client_tag)
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
try:
self.host.wait_up(timeout=30)
except error.AutoservError:
# don't worry about any errors, we'll try and
# get the results anyway
pass
# Copy all dirs in default to results_dir
try:
self.host.get_file(self.client_results_dir + '/',
self.server_results_dir, preserve_symlinks=True)
except Exception:
# well, don't stop running just because we couldn't get logs
e_msg = "Unexpected error copying test result logs, continuing ..."
logging.error(e_msg)
traceback.print_exc(file=sys.stdout)
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 re.search(r'^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):
os.remove(log_file)
# a file-like object for catching stderr from an autotest client and
# extracting status logs from it
class client_logger(object):
"""Partial file object to write to both stdout and
the status log file. We only implement those methods
utils.run() actually calls.
"""
status_parser = re.compile(r"^AUTOTEST_STATUS:([^:]*):(.*)$")
test_complete_parser = re.compile(r"^AUTOTEST_TEST_COMPLETE:(.*)$")
fetch_package_parser = re.compile(
r"^AUTOTEST_FETCH_PACKAGE:([^:]*):([^:]*):(.*)$")
extract_indent = re.compile(r"^(\t*).*$")
extract_timestamp = re.compile(r".*\ttimestamp=(\d+)\t.*$")
def __init__(self, host, tag, server_results_dir):
self.host = 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
later."""
entry = base_job.status_log_entry.parse(line)
if entry is None:
return # the line contains no status lines
if tag == "":
self._process_logs()
self.job.record_entry(entry, log_in_subdir=False)
self.last_line = line
else:
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", [])
log_list.append(entry)
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 = re.search(r"^\t*INFO\t----\t----(.*)\t[^\t]*$", line)
if not match:
return # not an INFO line
for field in match.group(1).split('\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
else:
continue
warning_type = field.split("=", 1)[1]
func(warning_type)
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
messages."""
status_match = self.status_parser.search(line)
test_complete_match = self.test_complete_parser.search(line)
fetch_package_match = self.fetch_package_parser.search(line)
if status_match:
tag, line = status_match.groups()
self._process_info_line(line)
self._process_quoted_line(tag, line)
elif test_complete_match:
self._process_logs()
fifo_path, = test_complete_match.groups()
try:
self.log_collector.collect_client_job_results()
self.host.run("echo A > %s" % fifo_path)
except Exception:
msg = "Post-test log collection failed, continuing anyway"
logging.exception(msg)
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"):
try:
self._send_tarball(pkg_name, dest_path)
except Exception:
msg = "Package tarball creation failed, continuing anyway"
logging.exception(msg)
try:
self.host.run("echo B > %s" % fifo_path)
except Exception:
msg = "Package tarball installation failed, continuing anyway"
logging.exception(msg)
else:
logging.info(line)
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)
break
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
else:
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:
logging.info('Bundling %s into %s', src_dir, pkg_name)
temp_dir = autotemp.tempdir(unique_id='autoserv-packager',
dir=self.job.tmpdir)
tarball_path = self.job.pkgmgr.tar_package(
pkg_name, src_dir, temp_dir.name, " .")
self.host.send_file(tarball_path, remote_dest)
finally:
temp_dir.clean()
return
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
try:
# 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]:
self._process_line(line)
processed_lines += 1
finally:
# save any unprocessed lines for future processing
self.leftover = '\n'.join(lines[processed_lines:])
def flush(self):
sys.stdout.flush()
def flush_all_buffers(self):
if self.leftover:
self._process_line(self.leftover)
self.leftover = ""
self._process_logs()
self.flush()
def close(self):
self.flush_all_buffers()
SiteAutotest = client_utils.import_site_class(
__file__, "autotest_lib.server.site_autotest", "SiteAutotest",
BaseAutotest)
_SiteRun = client_utils.import_site_class(
__file__, "autotest_lib.server.site_autotest", "_SiteRun", _BaseRun)
class Autotest(SiteAutotest):
pass
class _Run(_SiteRun):
pass
class AutotestHostMixin(object):
"""A generic mixin to add a run_test method to classes, which will allow
you to run an autotest client test on a machine directly."""
# for testing purposes
_Autotest = Autotest
def run_test(self, test_name, **dargs):
"""Run an autotest client test on the host.
@param test_name: The name of the client test.
@param dargs: Keyword arguments to pass to the test.
@returns: True if the test passes, False otherwise."""
at = self._Autotest()
control_file = ('result = job.run_test(%s)\n'
'job.set_state("test_result", result)\n')
test_args = [repr(test_name)]
test_args += ['%s=%r' % (k, v) for k, v in dargs.iteritems()]
control_file %= ', '.join(test_args)
at.run(control_file, host=self)
return at.job.get_state('test_result', default=False)