Files
ray-project--ray/python/ray/tests/test_raylet_output.py
T
2026-07-13 13:17:40 +08:00

61 lines
1.8 KiB
Python

import glob
import os
import sys
import pytest
import ray
from ray._common.test_utils import wait_for_condition
def enable_export_loglevel(func):
# For running in both python and pytest, this decorator makes sure
# log level env parameter will be changed.
# Make raylet emit a log to raylet.err.
os.environ["RAY_BACKEND_LOG_LEVEL"] = "info"
return func
@enable_export_loglevel
def test_ray_log_redirected(ray_start_regular):
session_dir = ray._private.worker._global_node.get_session_dir_path()
assert os.path.exists(session_dir), "Session dir not found."
raylet_out_path = "{}/logs/raylet.out".format(session_dir)
raylet_err_path = "{}/logs/raylet.err".format(session_dir)
@ray.remote
class Actor:
def __init__(self):
pass
def get_pid(self):
return os.getpid()
def file_exists_and_not_empty(filename):
return os.path.exists(filename) and os.path.getsize(filename) > 0
actor = Actor.remote()
remote_pid = ray.get(actor.get_pid.remote())
local_pid = os.getpid()
wait_for_condition(
lambda: all(map(file_exists_and_not_empty, [raylet_out_path, raylet_err_path]))
)
core_worker_logs = glob.glob(
"{}/logs/python-core-worker*{}.log".format(session_dir, remote_pid)
)
driver_log = glob.glob(
"{}/logs/python-core-driver*{}.log".format(session_dir, local_pid)
)
assert len(core_worker_logs) > 0 and len(driver_log) > 0
all_worker_logs = core_worker_logs + driver_log
wait_for_condition(lambda: all(map(file_exists_and_not_empty, all_worker_logs)))
if __name__ == "__main__":
# Make subprocess happy in bazel.
os.environ["LC_ALL"] = "en_US.UTF-8"
os.environ["LANG"] = "en_US.UTF-8"
sys.exit(pytest.main(["-sv", __file__]))