def test_is_cache_enabled():
if sys.version_info >= (3, 8):
case1 = is_cache_enabled("true")
assert case1, "Unexpected return. Expected: <bool> True"
case2 = is_cache_enabled("True")
assert not case2, "Unexpected return. Expected: <bool> False"
case3 = is_cache_enabled("true:1000")
assert case3, "Unexpected return. Expected: <bool> True"
case4 = is_cache_enabled("True:1000")
assert not case4, "Unexpected return. Expected: <bool> False"
else:
print(NOT_PYTHON_3_8)
def main():
# type: () -> None
""" Main mpi piper worker
:return: None
"""
# Configure the global tracing variable from the argument
global TRACING
global WORKER_CONF
global CACHE_IDS
global CACHE_QUEUE
TRACING = (int(sys.argv[4]) > 0)
# Enable coverage if performed
if "COVERAGE_PROCESS_START" in os.environ:
import coverage
coverage.process_startup()
# Configure the piper worker with the arguments
WORKER_CONF = PiperWorkerConfiguration()
WORKER_CONF.update_params(sys.argv)
persistent_storage = (WORKER_CONF.storage_conf != 'null')
_, _, _, log_dir = load_loggers(WORKER_CONF.debug, persistent_storage)
cache_profiler = False
if WORKER_CONF.cache_profiler.lower() == 'true':
cache_profiler = True
if is_worker():
# Setup cache
if is_cache_enabled(str(WORKER_CONF.cache)):
# Deploy the necessary processes
cache = True
cache_params = start_cache(None, str(WORKER_CONF.cache),
cache_profiler, log_dir)
else:
# No cache
cache = False
cache_params = (None, None, None, None) # type: ignore
else:
# Otherwise it is an executor
cache = False # to stop only the cache from the main process
cache_params = (None, None, None, None) # type: ignore
smm, cache_process, CACHE_QUEUE, CACHE_IDS = cache_params
if is_worker():
with trace_mpi_worker() if TRACING else dummy_context():
compss_persistent_worker(WORKER_CONF)
else:
with trace_mpi_executor() if TRACING else dummy_context():
compss_persistent_executor(WORKER_CONF)
if cache and is_worker():
stop_cache(smm, CACHE_QUEUE, cache_profiler, cache_process) # noqa
def main():
# Configure the global tracing variable from the argument
global TRACING
global WORKER_CONF
global CACHE_IDS
global CACHE_QUEUE
TRACING = (int(sys.argv[4]) > 0)
# Enable coverage if performed
if "COVERAGE_PROCESS_START" in os.environ:
import coverage
coverage.process_startup()
# Configure the piper worker with the arguments
WORKER_CONF = PiperWorkerConfiguration()
WORKER_CONF.update_params(sys.argv)
if is_worker():
# Setup cache
if is_cache_enabled(WORKER_CONF.cache):
# Deploy the necessary processes
cache = True
cache_params = start_cache(None, WORKER_CONF.cache)
else:
# No cache
cache = False
cache_params = (None, None, None, None)
else:
# Otherwise it is an executor
cache = False # to stop only the cache from the main process
cache_params = (None, None, None, None)
smm, cache_process, CACHE_QUEUE, CACHE_IDS = cache_params
if is_worker():
with trace_mpi_worker() if TRACING else dummy_context():
compss_persistent_worker(WORKER_CONF)
else:
with trace_mpi_executor() if TRACING else dummy_context():
compss_persistent_executor(WORKER_CONF)
if cache and is_worker():
stop_cache(smm, CACHE_QUEUE, cache_process) # noqa
def compss_persistent_worker(config):
# type: (PiperWorkerConfiguration) -> None
""" Persistent worker main function.
Retrieves the initial configuration and spawns the worker processes.
:param config: Piper Worker Configuration description.
:return: None
"""
global CACHE
global CACHE_PROCESS
# Catch SIGTERM sent by bindings_piper
signal.signal(signal.SIGTERM, shutdown_handler)
# Set the binding in worker mode
context.set_pycompss_context(context.WORKER)
persistent_storage = (config.storage_conf != 'null')
logger, logger_cfg, storage_loggers, log_dir = load_loggers(config.debug, persistent_storage)
if __debug__:
logger.debug(HEADER + "piper_worker.py wake up")
config.print_on_logger(logger)
if persistent_storage:
# Initialize storage
logger.debug(HEADER + "Starting persistent storage")
with event_worker(INIT_STORAGE_AT_WORKER_EVENT):
from storage.api import initWorker as initStorageAtWorker # noqa
initStorageAtWorker(config_file_path=config.storage_conf)
# Create new processes
queues = []
cache_profiler = False
if config.cache_profiler.lower() == 'true':
cache_profiler = True
# Setup cache
if is_cache_enabled(str(config.cache)):
# Deploy the necessary processes
CACHE = True
cache_params = start_cache(logger, str(config.cache), cache_profiler, log_dir)
else:
# No cache
CACHE = False
cache_params = (None, None, None, None) # type: ignore
smm, CACHE_PROCESS, cache_queue, cache_ids = cache_params
# Create new executor processes
conf = ExecutorConf(config.debug,
get_temporary_directory(),
TRACING,
config.storage_conf,
logger,
logger_cfg,
persistent_storage,
storage_loggers,
config.stream_backend,
config.stream_master_name,
config.stream_master_port,
cache_ids,
cache_queue,
cache_profiler)
for i in range(0, config.tasks_x_node):
if __debug__:
logger.debug(HEADER + "Launching process " + str(i))
process_name = "".join(("Process-", str(i)))
pid, queue = create_executor_process(process_name, conf, config.pipes[i])
queues.append(queue)
# Read command from control pipe
alive = True
process_counter = config.tasks_x_node
control_pipe = config.control_pipe # type: typing.Any
while alive:
command = control_pipe.read_command(retry_period=1)
if command != "":
line = command.split()
if line[0] == ADD_EXECUTOR_TAG:
process_name = "".join(("Process-", str(process_counter)))
process_counter = process_counter + 1
in_pipe = line[1]
out_pipe = line[2]
pipe = Pipe(in_pipe, out_pipe)
pid, queue = create_executor_process(process_name, conf, pipe)
queues.append(queue)
control_pipe.write(" ".join((ADDED_EXECUTOR_TAG,
out_pipe,
in_pipe,
str(pid))))
elif line[0] == QUERY_EXECUTOR_ID_TAG:
in_pipe = line[1]
out_pipe = line[2]
proc = PROCESSES.get(in_pipe) # type: typing.Any
pid = proc.pid
control_pipe.write(" ".join((REPLY_EXECUTOR_ID_TAG,
out_pipe,
in_pipe,
str(pid))))
elif line[0] == CANCEL_TASK_TAG:
in_pipe = line[1]
cancel_proc = PROCESSES.get(in_pipe) # type: typing.Any
cancel_pid = cancel_proc.pid
if __debug__:
logger.debug(HEADER + "Signaling process with PID " +
str(cancel_pid) + " to cancel a task")
os.kill(cancel_pid, signal.SIGUSR2) # NOSONAR cancellation produced by COMPSs
elif line[0] == REMOVE_EXECUTOR_TAG:
in_pipe = line[1]
out_pipe = line[2]
proc = PROCESSES.pop(in_pipe, None)
if proc:
if proc.is_alive():
logger.warn(HEADER + "Forcing terminate on : " +
proc.name)
proc.terminate()
proc.join()
control_pipe.write(" ".join((REMOVED_EXECUTOR_TAG,
out_pipe,
in_pipe)))
elif line[0] == PING_TAG:
control_pipe.write(PONG_TAG)
elif line[0] == QUIT_TAG:
alive = False
# Wait for all threads
for proc in PROCESSES.values():
proc.join()
# Check if there is any exception message from the threads
for i in range(0, config.tasks_x_node):
if not queues[i].empty:
logger.error(HEADER + "Exception in threads queue: " +
str(queues[i].get()))
for queue in queues:
queue.close()
queue.join_thread()
if CACHE:
stop_cache(smm, cache_queue, cache_profiler, CACHE_PROCESS) # noqa
if persistent_storage:
# Finish storage
if __debug__:
logger.debug(HEADER + "Stopping persistent storage")
with event_worker(FINISH_STORAGE_AT_WORKER_EVENT):
from storage.api import finishWorker as finishStorageAtWorker # noqa
finishStorageAtWorker()
if __debug__:
logger.debug(HEADER + "Finished")
control_pipe.write(QUIT_TAG)
control_pipe.close()