interpret sigterm as sigint

.github/workflows/gpu-hvd-tests.yml

@@ -152,7 +152,7 @@ jobs:
           set -xe
 
           bash tests/run_gpu_tests.sh 2 hvd
-          CUDA_VISIBLE_DEVICES="" pytest --cov ignite --cov-append --cov-report term-missing --cov-report xml -vvv tests/ignite/ignite/ -m distributed -k hvd
+          CUDA_VISIBLE_DEVICES="" pytest --cov ignite --cov-append --cov-report term-missing --cov-report xml -vvv tests/ignite -m distributed -k hvd
 
           EOF
           )

tests/ignite/conftest.py

@@ -1,8 +1,10 @@
 import functools
 import os
 import shutil
+import signal
 import sys
 import tempfile
+import threading
 import time
 from pathlib import Path
 
@@ -34,6 +36,20 @@ def pytest_addoption(parser):
     )
 
 
+@pytest.fixture(scope="session", autouse=True)
+def term_handler():
+    # This allows the pytest session to be terminated upon retries on CI. It may
+    # be worth using this fixture solely in that context. For a discussion on
+    # whether sigterm should be ignored see:
+    # https://github.com/pytest-dev/pytest/issues/5243
+    if threading.current_thread() is threading.main_thread() and hasattr(signal, "SIGTERM"):
+        orig = signal.signal(signal.SIGTERM, signal.getsignal(signal.SIGINT))
+        yield
+        signal.signal(signal.SIGTERM, orig)
+    else:
+        yield  # Just pass through if SIGTERM isn't supported or we are not in the main thread
+
+
 @pytest.fixture(
     params=[
         "cpu",