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# Copyright 2019 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import logging
import os
import time
import unittest
from oslo_config import fixture as config_fixture
from oslotest import base
from oslo_privsep import comm
from oslo_privsep import priv_context
test_context = priv_context.PrivContext(
__name__,
cfg_section='privsep',
pypath=__name__ + '.test_context',
capabilities=[],
)
test_context_with_timeout = priv_context.PrivContext(
__name__,
cfg_section='privsep',
pypath=__name__ + '.test_context_with_timeout',
capabilities=[],
timeout=0.03
)
@test_context.entrypoint
def sleep():
# We don't want the daemon to be able to handle these calls too fast.
time.sleep(.001)
@test_context.entrypoint_with_timeout(0.03)
def sleep_with_timeout(long_timeout=0.04):
time.sleep(long_timeout)
return 42
@test_context_with_timeout.entrypoint
def sleep_with_t_context(long_timeout=0.04):
time.sleep(long_timeout)
return 42
@test_context.entrypoint
def one():
return 1
@test_context.entrypoint
def logs():
logging.warning('foo')
class TestDaemon(base.BaseTestCase):
def setUp(self):
super().setUp()
venv_path = os.environ['VIRTUAL_ENV']
self.cfg_fixture = self.useFixture(config_fixture.Config())
self.cfg_fixture.config(
group='privsep',
helper_command='sudo -E %s/bin/privsep-helper' % venv_path)
priv_context.init()
def test_concurrency(self):
# Throw a large number of simultaneous requests at the daemon to make
# sure it can can handle them.
for i in range(1000):
sleep()
# Make sure the daemon is still working
self.assertEqual(1, one())
def test_entrypoint_with_timeout(self):
thread_pool_size = self.cfg_fixture.conf.privsep.thread_pool_size
for _ in range(thread_pool_size + 1):
self.assertRaises(comm.PrivsepTimeout, sleep_with_timeout)
def test_entrypoint_with_timeout_pass(self):
thread_pool_size = self.cfg_fixture.conf.privsep.thread_pool_size
for _ in range(thread_pool_size + 1):
res = sleep_with_timeout(0.01)
self.assertEqual(42, res)
def test_context_with_timeout(self):
thread_pool_size = self.cfg_fixture.conf.privsep.thread_pool_size
for _ in range(thread_pool_size + 1):
self.assertRaises(comm.PrivsepTimeout, sleep_with_t_context)
def test_context_with_timeout_pass(self):
thread_pool_size = self.cfg_fixture.conf.privsep.thread_pool_size
for _ in range(thread_pool_size + 1):
res = sleep_with_t_context(0.01)
self.assertEqual(42, res)
def test_logging(self):
logs()
self.assertIn('foo', self.log_fixture.logger.output)
if __name__ == '__main__':
unittest.main()
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