def on_timeout_expired(timeout):
global timed_out
try:
LOG.debug("Starting process wait inside timeout handler.")
process.wait(timeout=timeout)
except subprocess.TimeoutExpired:
# Command has timed out, kill the process and propagate the error.
# Note: We explicitly set the returncode to indicate the timeout.
LOG.debug("Command execution timeout reached.")
# NOTE: It's important we set returncode twice - here and below to avoid race in this
# function because "kill_func()" is async and "process.kill()" is not.
process.returncode = TIMEOUT_EXIT_CODE
if kill_func:
LOG.debug("Calling kill_func.")
kill_func(process=process)
else:
LOG.debug("Killing process.")
process.kill()
# NOTE: It's imporant to set returncode here as well, since call to process.kill() sets
# it and overwrites it if we set it earlier.
process.returncode = TIMEOUT_EXIT_CODE
if read_stdout_func and read_stderr_func:
LOG.debug("Killing read_stdout_thread and read_stderr_thread")
concurrency.kill(read_stdout_thread)
concurrency.kill(read_stderr_thread)
def on_timeout_expired(timeout):
global timed_out
try:
LOG.debug('Starting process wait inside timeout handler.')
process.wait(timeout=timeout)
except subprocess.TimeoutExpired:
# Command has timed out, kill the process and propagate the error.
# Note: We explicitly set the returncode to indicate the timeout.
LOG.debug('Command execution timeout reached.')
if kill_func:
LOG.debug('Calling kill_func.')
kill_func(process=process)
else:
LOG.debug('Killing process.')
process.kill()
# NOTE: It's imporant to set returncode here, since call to kill()
# sets it and overwrites it if we set it earlier
process.returncode = TIMEOUT_EXIT_CODE
if read_stdout_func and read_stderr_func:
LOG.debug('Killing read_stdout_thread and read_stderr_thread')
concurrency.kill(read_stdout_thread)
concurrency.kill(read_stderr_thread)
def _spin_container_and_wait(self, sensors):
exit_code = 0
try:
self._sensor_container = ProcessSensorContainer(
sensors=sensors, single_sensor_mode=self._single_sensor_mode)
self._container_thread = concurrency.spawn(
self._sensor_container.run)
LOG.debug('Starting sensor CUD watcher...')
self._sensors_watcher.start()
exit_code = self._container_thread.wait()
LOG.error('Process container quit with exit_code %d.', exit_code)
LOG.error('(PID:%s) SensorContainer stopped.', os.getpid())
except (KeyboardInterrupt, SystemExit):
self._sensor_container.shutdown()
self._sensors_watcher.stop()
LOG.info('(PID:%s) SensorContainer stopped. Reason - %s',
os.getpid(),
sys.exc_info()[0].__name__)
concurrency.kill(self._container_thread)
self._container_thread = None
return exit_code
return exit_code
def on_timeout_expired(timeout):
global timed_out
try:
LOG.debug("Starting process wait inside timeout handler.")
process.wait(timeout=timeout)
except subprocess.TimeoutExpired:
# Command has timed out, kill the process and propagate the error.
# Note: We explicitly set the returncode to indicate the timeout.
LOG.debug("Command execution timeout reached.")
process._timed_out = True
if kill_func:
LOG.debug("Calling kill_func.")
kill_func(process=process)
else:
LOG.debug("Killing process.")
process.kill()
process.wait()
process._timed_out = True
if read_stdout_func and read_stderr_func:
LOG.debug("Killing read_stdout_thread and read_stderr_thread")
concurrency.kill(read_stdout_thread)
concurrency.kill(read_stderr_thread)
def stop(self):
LOG.debug('Shutting down sensor watcher.')
try:
if self._updates_thread:
self._updates_thread = concurrency.kill(self._updates_thread)
if self.connection:
channel = self.connection.channel()
bound_sensor_watch_q = self._sensor_watcher_q(channel)
try:
bound_sensor_watch_q.delete()
except:
LOG.error('Unable to delete sensor watcher queue: %s',
self._sensor_watcher_q)
finally:
if self.connection:
self.connection.release()
def stop(self):
try:
self._updates_thread = concurrency.kill(self._updates_thread)
self._load_thread = concurrency.kill(self._load_thread)
finally:
self.connection.release()
