86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
# Copyright (c) 2014 Red Hat, 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 multiprocessing
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import os
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import time
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import fixtures
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from neutron.agent.linux import utils
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from neutron.tests import tools
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class RecursivePermDirFixture(fixtures.Fixture):
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"""Ensure at least perms permissions on directory and ancestors."""
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def __init__(self, directory, perms):
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super(RecursivePermDirFixture, self).__init__()
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self.directory = directory
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self.least_perms = perms
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def _setUp(self):
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previous_directory = None
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current_directory = self.directory
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while previous_directory != current_directory:
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perms = os.stat(current_directory).st_mode
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if perms & self.least_perms != self.least_perms:
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os.chmod(current_directory, perms | self.least_perms)
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previous_directory = current_directory
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current_directory = os.path.dirname(current_directory)
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class AdminDirFixture(fixtures.Fixture):
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"""Handle directory create/delete with admin permissions required"""
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def __init__(self, directory):
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super(AdminDirFixture, self).__init__()
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self.directory = directory
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def _setUp(self):
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# NOTE(cbrandily): Ensure we will not delete a directory existing
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# before test run during cleanup.
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if os.path.exists(self.directory):
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tools.fail('%s already exists' % self.directory)
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create_cmd = ['mkdir', '-p', self.directory]
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delete_cmd = ['rm', '-r', self.directory]
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utils.execute(create_cmd, run_as_root=True)
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self.addCleanup(utils.execute, delete_cmd, run_as_root=True)
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class SleepyProcessFixture(fixtures.Fixture):
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"""Process fixture to perform time.sleep for a given number of seconds."""
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def __init__(self, timeout=60):
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super(SleepyProcessFixture, self).__init__()
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self.timeout = timeout
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@staticmethod
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def yawn(seconds):
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time.sleep(seconds)
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def _setUp(self):
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self.process = multiprocessing.Process(target=self.yawn,
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args=[self.timeout])
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self.process.start()
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self.addCleanup(self.destroy)
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def destroy(self):
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self.process.terminate()
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@property
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def pid(self):
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return self.process.pid
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