def kill_and_get_minidump(context, minidump_dir):
proc = context.process
if context.is_launcher:
kids = context.process.children()
if len(kids) == 1:
LOG.debug(("Launcher process {} detected. Killing parent"
" process {} instead.").format(proc, kids[0]))
proc = kids[0]
LOG.debug("Killing %s and writing a minidump file" % proc)
mozcrash.kill_and_get_minidump(proc.pid, minidump_dir)
def run_browser(command, timeout=None, on_started=None, **kwargs):
"""
Run the browser using the given `command`.
After the browser prints __endTimestamp, we give it 5
seconds to quit and kill it if it's still alive at that point.
Note that this method ensure that the process is killed at
the end. If this is not possible, an exception will be raised.
:param command: the commad (as a string list) to run the browser
:param timeout: if specified, timeout to wait for the browser before
we raise a :class:`TalosError`
:param on_started: a callback that can be used to do things just after
the browser has been started
:param kwargs: additional keyword arguments for the :class:`ProcessHandler`
instance
Returns a ProcessContext instance, with available output and pid used.
"""
context = ProcessContext()
first_time = int(time.time()) * 1000
wait_for_quit_timeout = 5
event = Event()
reader = Reader(event)
kwargs['storeOutput'] = False
kwargs['processOutputLine'] = reader
kwargs['onFinish'] = event.set
proc = ProcessHandler(command, **kwargs)
proc.run()
try:
context.process = psutil.Process(proc.pid)
if on_started:
on_started()
# wait until we saw __endTimestamp in the proc output,
# or the browser just terminated - or we have a timeout
if not event.wait(timeout):
# try to extract the minidump stack if the browser hangs
mozcrash.kill_and_get_minidump(proc.pid)
raise TalosError("timeout")
if reader.got_end_timestamp:
for i in range(1, wait_for_quit_timeout):
if proc.wait(1) is not None:
break
if proc.poll() is None:
logging.info(
"Browser shutdown timed out after {0} seconds, terminating"
" process.".format(wait_for_quit_timeout)
)
finally:
# this also handle KeyboardInterrupt
# ensure early the process is really terminated
context.kill_process()
reader.output.append(
"__startBeforeLaunchTimestamp%d__endBeforeLaunchTimestamp"
% first_time)
reader.output.append(
"__startAfterTerminationTimestamp%d__endAfterTerminationTimestamp"
% (int(time.time()) * 1000))
logging.info("Browser exited with error code: {0}".format(proc.returncode))
context.output = reader.output
return context
def run_browser(command,
minidump_dir,
timeout=None,
on_started=None,
**kwargs):
"""
Run the browser using the given `command`.
After the browser prints __endTimestamp, we give it 5
seconds to quit and kill it if it's still alive at that point.
Note that this method ensure that the process is killed at
the end. If this is not possible, an exception will be raised.
:param command: the commad (as a string list) to run the browser
:param minidump_dir: a path where to extract minidumps in case the
browser hang. This have to be the same value
used in `mozcrash.check_for_crashes`.
:param timeout: if specified, timeout to wait for the browser before
we raise a :class:`TalosError`
:param on_started: a callback that can be used to do things just after
the browser has been started. The callback must takes
an argument, which is the psutil.Process instance
:param kwargs: additional keyword arguments for the :class:`ProcessHandler`
instance
Returns a ProcessContext instance, with available output and pid used.
"""
context = ProcessContext()
first_time = int(time.time()) * 1000
wait_for_quit_timeout = 5
event = Event()
reader = Reader(event)
kwargs['storeOutput'] = False
kwargs['processOutputLine'] = reader
kwargs['onFinish'] = event.set
proc = ProcessHandler(command, **kwargs)
proc.run()
try:
context.process = psutil.Process(proc.pid)
if on_started:
on_started(context.process)
# wait until we saw __endTimestamp in the proc output,
# or the browser just terminated - or we have a timeout
if not event.wait(timeout):
# try to extract the minidump stack if the browser hangs
mozcrash.kill_and_get_minidump(proc.pid, minidump_dir)
raise TalosError("timeout")
if reader.got_end_timestamp:
for i in range(1, wait_for_quit_timeout):
if proc.wait(1) is not None:
break
if proc.poll() is None:
logging.info(
"Browser shutdown timed out after {0} seconds, terminating"
" process.".format(wait_for_quit_timeout))
elif reader.got_timeout:
raise TalosError('TIMEOUT: %s' % reader.timeout_message)
finally:
# this also handle KeyboardInterrupt
# ensure early the process is really terminated
context.kill_process()
return_code = proc.wait(1)
reader.output.append(
"__startBeforeLaunchTimestamp%d__endBeforeLaunchTimestamp" %
first_time)
reader.output.append(
"__startAfterTerminationTimestamp%d__endAfterTerminationTimestamp" %
(int(time.time()) * 1000))
logging.info("Browser exited with error code: {0}".format(return_code))
context.output = reader.output
return context
def run_browser(command,
minidump_dir,
timeout=None,
on_started=None,
debug=None,
debugger=None,
debugger_args=None,
**kwargs):
"""
Run the browser using the given `command`.
After the browser prints __endTimestamp, we give it 5
seconds to quit and kill it if it's still alive at that point.
Note that this method ensure that the process is killed at
the end. If this is not possible, an exception will be raised.
:param command: the commad (as a string list) to run the browser
:param minidump_dir: a path where to extract minidumps in case the
browser hang. This have to be the same value
used in `mozcrash.check_for_crashes`.
:param timeout: if specified, timeout to wait for the browser before
we raise a :class:`TalosError`
:param on_started: a callback that can be used to do things just after
the browser has been started. The callback must takes
an argument, which is the psutil.Process instance
:param kwargs: additional keyword arguments for the :class:`ProcessHandler`
instance
Returns a ProcessContext instance, with available output and pid used.
"""
debugger_info = find_debugger_info(debug, debugger, debugger_args)
if debugger_info is not None:
return run_in_debug_mode(command,
debugger_info,
on_started=on_started,
env=kwargs.get('env'))
context = ProcessContext()
first_time = int(time.time()) * 1000
wait_for_quit_timeout = 5
event = Event()
reader = Reader(event)
LOG.info("Using env: %s" % pprint.pformat(kwargs['env']))
kwargs['storeOutput'] = False
kwargs['processOutputLine'] = reader
kwargs['onFinish'] = event.set
proc = ProcessHandler(command, **kwargs)
reader.proc = proc
proc.run()
LOG.process_start(proc.pid, ' '.join(command))
try:
context.process = psutil.Process(proc.pid)
if on_started:
on_started(context.process)
# wait until we saw __endTimestamp in the proc output,
# or the browser just terminated - or we have a timeout
if not event.wait(timeout):
LOG.info("Timeout waiting for test completion; killing browser...")
# try to extract the minidump stack if the browser hangs
mozcrash.kill_and_get_minidump(proc.pid, minidump_dir)
raise TalosError("timeout")
if reader.got_end_timestamp:
for i in range(1, wait_for_quit_timeout):
if proc.wait(1) is not None:
break
if proc.poll() is None:
LOG.info(
"Browser shutdown timed out after {0} seconds, terminating"
" process.".format(wait_for_quit_timeout))
elif reader.got_timeout:
raise TalosError('TIMEOUT: %s' % reader.timeout_message)
finally:
# this also handle KeyboardInterrupt
# ensure early the process is really terminated
return_code = None
try:
return_code = context.kill_process()
if return_code is None:
return_code = proc.wait(1)
except Exception:
# Maybe killed by kill_and_get_minidump(), maybe ended?
LOG.info("Unable to kill process")
LOG.info(traceback.format_exc())
reader.output.append(
"__startBeforeLaunchTimestamp%d__endBeforeLaunchTimestamp" %
first_time)
reader.output.append(
"__startAfterTerminationTimestamp%d__endAfterTerminationTimestamp" %
(int(time.time()) * 1000))
if return_code is not None:
LOG.process_exit(proc.pid, return_code)
else:
LOG.debug("Unable to detect exit code of the process %s." % proc.pid)
context.output = reader.output
return context
def run_browser(command, minidump_dir, timeout=None, on_started=None,
**kwargs):
"""
Run the browser using the given `command`.
After the browser prints __endTimestamp, we give it 5
seconds to quit and kill it if it's still alive at that point.
Note that this method ensure that the process is killed at
the end. If this is not possible, an exception will be raised.
:param command: the commad (as a string list) to run the browser
:param minidump_dir: a path where to extract minidumps in case the
browser hang. This have to be the same value
used in `mozcrash.check_for_crashes`.
:param timeout: if specified, timeout to wait for the browser before
we raise a :class:`TalosError`
:param on_started: a callback that can be used to do things just after
the browser has been started. The callback must takes
an argument, which is the psutil.Process instance
:param kwargs: additional keyword arguments for the :class:`ProcessHandler`
instance
Returns a ProcessContext instance, with available output and pid used.
"""
context = ProcessContext()
first_time = int(time.time()) * 1000
wait_for_quit_timeout = 5
event = Event()
reader = Reader(event)
kwargs['storeOutput'] = False
kwargs['processOutputLine'] = reader
kwargs['onFinish'] = event.set
proc = ProcessHandler(command, **kwargs)
reader.proc = proc
proc.run()
LOG.process_start(proc.pid, ' '.join(command))
try:
context.process = psutil.Process(proc.pid)
if on_started:
on_started(context.process)
# wait until we saw __endTimestamp in the proc output,
# or the browser just terminated - or we have a timeout
if not event.wait(timeout):
# try to extract the minidump stack if the browser hangs
mozcrash.kill_and_get_minidump(proc.pid, minidump_dir)
raise TalosError("timeout")
if reader.got_end_timestamp:
for i in range(1, wait_for_quit_timeout):
if proc.wait(1) is not None:
break
if proc.poll() is None:
LOG.info(
"Browser shutdown timed out after {0} seconds, terminating"
" process.".format(wait_for_quit_timeout)
)
elif reader.got_timeout:
raise TalosError('TIMEOUT: %s' % reader.timeout_message)
finally:
# this also handle KeyboardInterrupt
# ensure early the process is really terminated
return_code = context.kill_process()
if return_code is None:
return_code = proc.wait(1)
reader.output.append(
"__startBeforeLaunchTimestamp%d__endBeforeLaunchTimestamp"
% first_time)
reader.output.append(
"__startAfterTerminationTimestamp%d__endAfterTerminationTimestamp"
% (int(time.time()) * 1000))
if return_code is not None:
LOG.process_exit(proc.pid, return_code)
else:
LOG.debug("Unable to detect exit code of the process %s." % proc.pid)
context.output = reader.output
return context
