7711a6ce31
Wrap the call with eventlet.Semaphore. Simultaneous Client.execute calls can fail badly. Alternatively, rootwrap daemon connections could be made every time when Client.execute is called, without using a semaphore. Change-Id: Id9d38832c67f2d81d382cda797a48fee943a27f1 Closes-bug: #1654287
60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
# Copyright (c) 2014 Mirantis Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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if os.environ.get('TEST_EVENTLET', False):
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import eventlet
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eventlet.monkey_patch()
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from oslo_rootwrap.tests import test_functional
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class RootwrapDaemonTest(test_functional.RootwrapDaemonTest):
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def assert_unpatched(self):
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# This test case is specifically for eventlet testing
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pass
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def _thread_worker(self, seconds, msg):
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code, out, err = self.execute(
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['sh', '-c', 'sleep %d; echo %s' % (seconds, msg)])
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# Ignore trailing newline
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self.assertEqual(msg, out.rstrip())
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def _thread_worker_timeout(self, seconds, msg, timeout):
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with eventlet.Timeout(timeout):
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try:
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self._thread_worker(seconds, msg)
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except eventlet.Timeout:
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pass
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def test_eventlet_threads(self):
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"""Check eventlet compatibility.
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The multiprocessing module is not eventlet friendly and
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must be protected against eventlet thread switching and its
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timeout exceptions.
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"""
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th = []
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# 10 was not enough for some reason.
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for i in range(15):
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th.append(
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eventlet.spawn(self._thread_worker, i % 3, 'abc%d' % i))
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for i in [5, 17, 20, 25]:
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th.append(
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eventlet.spawn(self._thread_worker_timeout, 2,
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'timeout%d' % i, i))
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for thread in th:
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thread.wait()
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