async def _init():
parallelism = config.get('parallelism', 1)
logger.info('Using parallelism: %d', parallelism)
for sandbox in await create_sandboxes(parallelism):
_sandbox_pool.put_nowait(sandbox)
try:
with open(_LANGS_FILE) as file:
langs_config = yaml.load(file, Loader=yaml.RoundTripLoader)
except FileNotFoundError:
logger.error('Language file %s not found.', _LANGS_FILE)
exit(1)
for lang_name, lang_config in langs_config.items():
if lang_config['type'] == 'compiler':
compiler = Compiler(lang_config['compiler_file'],
shlex.split(lang_config['compiler_args']),
lang_config['code_file'],
lang_config['execute_file'],
shlex.split(lang_config['execute_args']))
_langs[lang_name] = partial(
_compiler_build,
compiler,
time_limit_ns=lang_config.get('time_limit_ms',
DEFAULT_TIME_MS) * 1000000,
memory_limit_bytes=lang_config.get('memory_limit_kb',
DEFAULT_MEM_KB) * 1024,
process_limit=lang_config.get('process_limit', PROCESS_LIMIT))
elif lang_config['type'] == 'interpreter':
interpreter = Interpreter(lang_config['code_file'],
lang_config['execute_file'],
shlex.split(lang_config['execute_args']))
_langs[lang_name] = partial(_interpreter_build, interpreter)
else:
logger.error('Unknown type %s', lang_config['type'])
def _load_config():
try:
with open(_CONFIG_FILE) as file:
return yaml.load(file, Loader=yaml.RoundTripLoader)
except FileNotFoundError:
logger.error('Config file %s not found.', _CONFIG_FILE)
exit(1)
def _init():
try:
with open(_LANGS_FILE) as file:
langs_config = yaml.load(file, Loader=yaml.RoundTripLoader)
except FileNotFoundError:
logger.error('Language file %s not found.', _LANGS_FILE)
exit(1)
for lang_name, lang_config in langs_config.items():
if lang_config['type'] == 'compiler':
compiler = Compiler(lang_config['compiler_file'],
shlex.split(lang_config['compiler_args']),
lang_config['code_file'],
lang_config['execute_file'],
shlex.split(lang_config['execute_args']))
_langs[lang_name] = partial(
_compiler_build,
compiler,
parse_time_ns(lang_config.get('time', DEFAULT_TIME)),
parse_memory_bytes(lang_config.get('memory', DEFAULT_MEMORY)),
lang_config.get('process_limit', PROCESS_LIMIT))
elif lang_config['type'] == 'interpreter':
interpreter = Interpreter(lang_config['code_file'],
lang_config['execute_file'],
shlex.split(lang_config['execute_args']))
_langs[lang_name] = partial(_interpreter_build, interpreter)
else:
logger.error('Unknown type %s', lang_config['type'])
def try_init_cgroup():
euid = geteuid()
if euid == 0:
logger.warning('Running as root')
cgroups_to_init = list()
if not (path.isdir(CPUACCT_CGROUP_ROOT)
and access(CPUACCT_CGROUP_ROOT, W_OK)):
cgroups_to_init.append(CPUACCT_CGROUP_ROOT)
if not (path.isdir(MEMORY_CGROUP_ROOT)
and access(MEMORY_CGROUP_ROOT, W_OK)):
cgroups_to_init.append(MEMORY_CGROUP_ROOT)
if not (path.isdir(PIDS_CGROUP_ROOT) and access(PIDS_CGROUP_ROOT, W_OK)):
cgroups_to_init.append(PIDS_CGROUP_ROOT)
if cgroups_to_init:
if euid == 0:
logger.info('Initializing cgroup: %s', ', '.join(cgroups_to_init))
for cgroup_to_init in cgroups_to_init:
makedirs(cgroup_to_init, exist_ok=True)
elif __stdin__.isatty():
logger.info('Initializing cgroup: %s', ', '.join(cgroups_to_init))
call([
'sudo', 'sh', '-c',
'mkdir -p "{1}" && chown -R "{0}" "{1}"'.format(
euid, '" "'.join(cgroups_to_init))
])
else:
logger.error('Cgroup not initialized')