def run_in_subprocess(proc, func, args=(), kwargs={}, interactive=False):
try:
pickle.dump(func, proc.stdin)
pickle.dump(args, proc.stdin)
pickle.dump(kwargs, proc.stdin)
proc.stdin.flush()
if not interactive:
result = pickle.load(proc.stdout)
if 'exception' in result:
raise exceptions.SubprocessException(result['exception'])
return result['output']
finally:
# NOTE(dmitryme): in openstack/common/processutils.py it
# is suggested to sleep a little between calls to multiprocessing.
# That should allow it make some necessary cleanup
context.sleep(0)
def run_in_subprocess(proc, func, args=None, kwargs=None, interactive=False):
args = args or ()
kwargs = kwargs or {}
try:
# TODO(elmiko) these pickle usages should be reinvestigated to
# determine a more secure manner to deploy remote commands.
pickle.dump(func, proc.stdin) # nosec
pickle.dump(args, proc.stdin) # nosec
pickle.dump(kwargs, proc.stdin) # nosec
proc.stdin.flush()
if not interactive:
result = pickle.load(proc.stdout) # nosec
if 'exception' in result:
raise exceptions.SubprocessException(result['exception'])
return result['output']
finally:
# NOTE(dmitryme): in oslo.concurrency's file processutils.py it
# is suggested to sleep a little between calls to multiprocessing.
# That should allow it make some necessary cleanup
context.sleep(0)