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import os
import signal
import time
import pytest
import parsl
from parsl.app.app import python_app
from parsl.tests.configs.htex_local import fresh_config
@pytest.fixture(autouse=True, scope="function")
def load_config():
config = fresh_config()
config.executors[0].poll_period = 1
config.executors[0].max_workers_per_node = 1
config.executors[0].heartbeat_period = 1
parsl.load(config)
yield
parsl.dfk().cleanup()
@python_app
def get_worker_pid():
import os
return os.getpid()
@python_app
def kill_manager(sig: int):
import os
os.kill(os.getppid(), sig)
@pytest.mark.local
@pytest.mark.parametrize("sig", [signal.SIGTERM, signal.SIGKILL])
def test_htex_manager_failure_worker_shutdown(sig: int):
"""Ensure that HTEX workers shut down when the Manager process dies."""
worker_pid = get_worker_pid().result()
kill_manager(sig)
with pytest.raises(OSError):
end = time.monotonic() + 5
while time.monotonic() < end:
# Raises an exception if the process
# does not exist
os.kill(worker_pid, 0)
time.sleep(.1)
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