def get_cache_size():
out = common.run_cmd("source ./scripts/reclaimable_docker_cache.sh 2> /dev/null", logger)
size = 0
if len(out) == 0:
logger.error("cannot retrieve cache size.")
return size
try:
size = float(out[0])
except ValueError:
logger.error("cannot convert cache size, reset size to 0")
size = 0
return size
def testDeletedCmd(self):
test_file = "/tmp/deleted_test.txt"
def open_and_loop():
with open(test_file, "w"):
while True:
pass
proc = multiprocessing.Process(target=open_and_loop)
proc.start()
time.sleep(1)
os.remove("/tmp/deleted_test.txt")
time.sleep(1)
mock_logger = mock.Mock()
cmd_out = run_cmd(check_deleted_files.DELETED_FILES_CMD, mock_logger)
files = [f.split(" ")[1] for f in cmd_out[1:]]
self.assertTrue(test_file in files)
proc.terminate()
proc.join()
def check_and_clean(threshold):
if get_cache_size() > threshold:
common.run_cmd("docker system prune -af", logger)
def check_and_clean(threshold):
if get_cache_size() > threshold:
# to avoid possible race condition, only clean the containers, images and networks created 1h ago
common.run_cmd("docker system prune -af --filter until=1h", logger)