def _wait_futures(self, data):
logger.info('Reduce function: waiting for map results')
fut_list = data['results']
wait_storage(fut_list, self.internal_storage, download_results=True)
results = [f.result() for f in fut_list if f.done and not f.futures]
fut_list.clear()
data['results'] = results
def wait(self,
fs=None,
throw_except=True,
return_when=ALL_COMPLETED,
download_results=False,
timeout=None,
THREADPOOL_SIZE=128,
WAIT_DUR_SEC=1):
"""
Wait for the Future instances (possibly created by different Executor instances)
given by fs to complete. Returns a named 2-tuple of sets. The first set, named done,
contains the futures that completed (finished or cancelled futures) before the wait
completed. The second set, named not_done, contains the futures that did not complete
(pending or running futures). timeout can be used to control the maximum number of
seconds to wait before returning.
:param fs: Futures list. Default None
:param throw_except: Re-raise exception if call raised. Default True.
:param return_when: One of `ALL_COMPLETED`, `ANY_COMPLETED`, `ALWAYS`
:param download_results: Download results. Default false (Only get statuses)
:param timeout: Timeout of waiting for results.
:param THREADPOOL_SIZE: Number of threads to use. Default 64
:param WAIT_DUR_SEC: Time interval between each check.
:return: `(fs_done, fs_notdone)`
where `fs_done` is a list of futures that have completed
and `fs_notdone` is a list of futures that have not completed.
:rtype: 2-tuple of list
"""
futures = fs or self.futures
if type(futures) != list:
futures = [futures]
if not futures:
raise Exception(
'You must run the call_async(), map() or map_reduce(), or provide'
' a list of futures before calling the wait()/get_result() method'
)
if download_results:
msg = 'ExecutorID {} - Getting results'.format(self.executor_id)
fs_done = [f for f in futures if f.done]
fs_not_done = [f for f in futures if not f.done]
fs_not_ready = [f for f in futures if not f.ready]
else:
msg = 'ExecutorID {} - Waiting for functions to complete'.format(
self.executor_id)
fs_done = [f for f in futures if f.ready or f.done]
fs_not_done = [f for f in futures if not f.ready and not f.done]
fs_not_ready = [f for f in futures if not f.ready]
if not fs_not_done:
return fs_done, fs_not_done
logger.info(msg)
if is_unix_system() and timeout is not None:
logger.debug(
'Setting waiting timeout to {} seconds'.format(timeout))
error_msg = 'Timeout of {} seconds exceeded waiting for function activations to finish'.format(
timeout)
signal.signal(signal.SIGALRM, partial(timeout_handler, error_msg))
signal.alarm(timeout)
pbar = None
error = False
if not self.is_lithops_worker and self.setup_progressbar and fs_not_ready:
from tqdm.auto import tqdm
if is_notebook():
pbar = tqdm(bar_format='{n}/|/ {n_fmt}/{total_fmt}',
total=len(fs_not_done)) # ncols=800
else:
print()
pbar = tqdm(bar_format=' {l_bar}{bar}| {n_fmt}/{total_fmt} ',
total=len(fs_not_done),
disable=None)
try:
if self.rabbitmq_monitor:
logger.debug('Using RabbitMQ to monitor function activations')
wait_rabbitmq(futures,
self.internal_storage,
rabbit_amqp_url=self.rabbit_amqp_url,
download_results=download_results,
throw_except=throw_except,
pbar=pbar,
return_when=return_when,
THREADPOOL_SIZE=THREADPOOL_SIZE)
else:
wait_storage(futures,
self.internal_storage,
download_results=download_results,
throw_except=throw_except,
return_when=return_when,
pbar=pbar,
THREADPOOL_SIZE=THREADPOOL_SIZE,
WAIT_DUR_SEC=WAIT_DUR_SEC)
except KeyboardInterrupt as e:
if download_results:
not_dones_call_ids = [(f.job_id, f.call_id) for f in futures
if not f.done]
else:
not_dones_call_ids = [(f.job_id, f.call_id) for f in futures
if not f.ready and not f.done]
msg = ('ExecutorID {} - Cancelled - Total Activations not done: {}'
.format(self.executor_id, len(not_dones_call_ids)))
if pbar:
pbar.close()
print()
logger.info(msg)
error = True
if self.data_cleaner and not self.is_lithops_worker:
self.clean(clean_cloudobjects=False, force=True)
raise e
except Exception as e:
error = True
if self.data_cleaner and not self.is_lithops_worker:
self.clean(clean_cloudobjects=False, force=True)
raise e
finally:
self.invoker.stop()
if is_unix_system():
signal.alarm(0)
if pbar and not pbar.disable:
pbar.close()
if not is_notebook():
print()
if self.data_cleaner and not self.is_lithops_worker:
self.clean(clean_cloudobjects=False)
if not fs and error and is_notebook():
del self.futures[len(self.futures) - len(futures):]
if download_results:
fs_done = [f for f in futures if f.done]
fs_notdone = [f for f in futures if not f.done]
else:
fs_done = [f for f in futures if f.ready or f.done]
fs_notdone = [f for f in futures if not f.ready and not f.done]
return fs_done, fs_notdone
