def run_forked(suite):
keep_alive_parent_end, keep_alive_child_end = Pipe(duplex=False)
result_parent_end, result_child_end = Pipe(duplex=False)
child = Process(target=test_runner_wrapper,
args=(suite, keep_alive_child_end, result_child_end))
child.start()
last_test_temp_dir = None
last_test_vpp_binary = None
last_test = None
result = None
while result is None:
readable = select.select([keep_alive_parent_end.fileno(),
result_parent_end.fileno(),
],
[], [], test_timeout)[0]
if result_parent_end.fileno() in readable:
result = result_parent_end.recv()
elif keep_alive_parent_end.fileno() in readable:
while keep_alive_parent_end.poll():
last_test, last_test_vpp_binary, last_test_temp_dir =\
keep_alive_parent_end.recv()
else:
global_logger.critical("Timeout while waiting for child test "
"runner process (last test running was "
"`%s' in `%s')!" %
(last_test, last_test_temp_dir))
if last_test_temp_dir and last_test_vpp_binary:
core_path = "%s/core" % last_test_temp_dir
if os.path.isfile(core_path):
global_logger.error("Core-file exists in test temporary "
"directory: %s!" % core_path)
if d and d.lower() == "core":
spawn_gdb(last_test_vpp_binary, core_path,
global_logger)
child.terminate()
result = -1
keep_alive_parent_end.close()
result_parent_end.close()
return result
def run_forked(suite):
keep_alive_parent_end, keep_alive_child_end = Pipe(duplex=False)
result_parent_end, result_child_end = Pipe(duplex=False)
child = Process(target=test_runner_wrapper,
args=(suite, keep_alive_child_end, result_child_end))
child.start()
last_test_temp_dir = None
last_test_vpp_binary = None
last_test = None
result = None
while result is None:
readable = select.select([
keep_alive_parent_end.fileno(),
result_parent_end.fileno(),
], [], [], test_timeout)[0]
if result_parent_end.fileno() in readable:
result = result_parent_end.recv()
elif keep_alive_parent_end.fileno() in readable:
while keep_alive_parent_end.poll():
last_test, last_test_vpp_binary,\
last_test_temp_dir, vpp_pid = keep_alive_parent_end.recv()
else:
global_logger.critical("Timeout while waiting for child test "
"runner process (last test running was "
"`%s' in `%s')!" %
(last_test, last_test_temp_dir))
failed_dir = os.getenv('VPP_TEST_FAILED_DIR')
lttd = last_test_temp_dir.split("/")[-1]
link_path = '%s%s-FAILED' % (failed_dir, lttd)
global_logger.error("Creating a link to the failed " +
"test: %s -> %s" % (link_path, lttd))
os.symlink(last_test_temp_dir, link_path)
api_post_mortem_path = "/tmp/api_post_mortem.%d" % vpp_pid
if os.path.isfile(api_post_mortem_path):
global_logger.error("Copying api_post_mortem.%d to %s" %
(vpp_pid, last_test_temp_dir))
shutil.copy2(api_post_mortem_path, last_test_temp_dir)
if last_test_temp_dir and last_test_vpp_binary:
core_path = "%s/core" % last_test_temp_dir
if os.path.isfile(core_path):
global_logger.error("Core-file exists in test temporary "
"directory: %s!" % core_path)
if d and d.lower() == "core":
spawn_gdb(last_test_vpp_binary, core_path,
global_logger)
child.terminate()
result = -1
keep_alive_parent_end.close()
result_parent_end.close()
return result
def run_forked(suite):
keep_alive_parent_end, keep_alive_child_end = Pipe(duplex=False)
result_parent_end, result_child_end = Pipe(duplex=False)
failed_parent_end, failed_child_end = Pipe(duplex=False)
child = Process(target=test_runner_wrapper,
args=(suite, keep_alive_child_end, result_child_end,
failed_child_end))
child.start()
last_test_temp_dir = None
last_test_vpp_binary = None
last_test = None
result = None
failed = set()
last_heard = time.time()
core_detected_at = None
debug_core = os.getenv("DEBUG", "").lower() == "core"
while True:
readable = select.select([
keep_alive_parent_end.fileno(),
result_parent_end.fileno(),
failed_parent_end.fileno(),
], [], [], 1)[0]
if result_parent_end.fileno() in readable:
result = result_parent_end.recv()
break
if keep_alive_parent_end.fileno() in readable:
while keep_alive_parent_end.poll():
last_test, last_test_vpp_binary,\
last_test_temp_dir, vpp_pid = keep_alive_parent_end.recv()
last_heard = time.time()
if failed_parent_end.fileno() in readable:
while failed_parent_end.poll():
failed_test = failed_parent_end.recv()
failed.add(failed_test.__name__)
last_heard = time.time()
fail = False
if last_heard + test_timeout < time.time() and \
not os.path.isfile("%s/_core_handled" % last_test_temp_dir):
fail = True
global_logger.critical("Timeout while waiting for child test "
"runner process (last test running was "
"`%s' in `%s')!" %
(last_test, last_test_temp_dir))
elif not child.is_alive():
fail = True
global_logger.critical("Child process unexpectedly died (last "
"test running was `%s' in `%s')!" %
(last_test, last_test_temp_dir))
elif last_test_temp_dir and last_test_vpp_binary:
core_path = "%s/core" % last_test_temp_dir
if os.path.isfile(core_path):
if core_detected_at is None:
core_detected_at = time.time()
elif core_detected_at + core_timeout < time.time():
if not os.path.isfile(
"%s/_core_handled" % last_test_temp_dir):
global_logger.critical(
"Child unresponsive and core-file exists in test "
"temporary directory!")
fail = True
if fail:
failed_dir = os.getenv('VPP_TEST_FAILED_DIR')
lttd = last_test_temp_dir.split("/")[-1]
link_path = '%s%s-FAILED' % (failed_dir, lttd)
global_logger.error("Creating a link to the failed " +
"test: %s -> %s" % (link_path, lttd))
try:
os.symlink(last_test_temp_dir, link_path)
except:
pass
api_post_mortem_path = "/tmp/api_post_mortem.%d" % vpp_pid
if os.path.isfile(api_post_mortem_path):
global_logger.error("Copying api_post_mortem.%d to %s" %
(vpp_pid, last_test_temp_dir))
shutil.copy2(api_post_mortem_path, last_test_temp_dir)
if last_test_temp_dir and last_test_vpp_binary:
core_path = "%s/core" % last_test_temp_dir
if os.path.isfile(core_path):
global_logger.error("Core-file exists in test temporary "
"directory: %s!" % core_path)
if debug_core:
spawn_gdb(last_test_vpp_binary, core_path,
global_logger)
child.terminate()
result = -1
break
keep_alive_parent_end.close()
result_parent_end.close()
failed_parent_end.close()
return result, failed