306 lines
12 KiB
Python
306 lines
12 KiB
Python
# Copyright (c) 2010-2012 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import six.moves.cPickle as pickle
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import mock
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import os
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import unittest
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from contextlib import closing
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from gzip import GzipFile
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from shutil import rmtree
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from tempfile import mkdtemp
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from test.unit import debug_logger, mock_check_drive
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from eventlet import spawn, Timeout
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from swift.common import utils
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from swift.container import updater as container_updater
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from swift.container.backend import ContainerBroker, DATADIR
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from swift.common.ring import RingData
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from swift.common.utils import normalize_timestamp
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from test import listen_zero
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class TestContainerUpdater(unittest.TestCase):
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def setUp(self):
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utils.HASH_PATH_SUFFIX = 'endcap'
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utils.HASH_PATH_PREFIX = 'startcap'
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self.testdir = os.path.join(mkdtemp(), 'tmp_test_container_updater')
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rmtree(self.testdir, ignore_errors=1)
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os.mkdir(self.testdir)
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ring_file = os.path.join(self.testdir, 'account.ring.gz')
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with closing(GzipFile(ring_file, 'wb')) as f:
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pickle.dump(
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RingData([[0, 1, 0, 1], [1, 0, 1, 0]],
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[{'id': 0, 'ip': '127.0.0.1', 'port': 12345,
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'device': 'sda1', 'zone': 0},
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{'id': 1, 'ip': '127.0.0.1', 'port': 12345,
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'device': 'sda1', 'zone': 2}], 30),
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f)
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self.devices_dir = os.path.join(self.testdir, 'devices')
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os.mkdir(self.devices_dir)
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self.sda1 = os.path.join(self.devices_dir, 'sda1')
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os.mkdir(self.sda1)
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self.logger = debug_logger('test')
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def tearDown(self):
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rmtree(os.path.dirname(self.testdir), ignore_errors=1)
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def _get_container_updater(self, conf_updates=None):
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conf = {
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'devices': self.devices_dir,
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'mount_check': 'false',
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'swift_dir': self.testdir,
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'interval': '1',
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'concurrency': '1',
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'node_timeout': '15',
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'account_suppression_time': 0
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}
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if conf_updates:
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conf.update(conf_updates)
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return container_updater.ContainerUpdater(conf, logger=self.logger)
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def test_creation(self):
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cu = self._get_container_updater({'concurrency': '2',
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'node_timeout': '5.5'})
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self.assertTrue(hasattr(cu, 'logger'))
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self.assertTrue(cu.logger is not None)
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self.assertEqual(cu.devices, self.devices_dir)
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self.assertEqual(cu.interval, 1)
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self.assertEqual(cu.concurrency, 2)
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self.assertEqual(cu.node_timeout, 5.5)
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self.assertEqual(cu.account_suppression_time, 0)
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self.assertTrue(cu.get_account_ring() is not None)
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def test_conf_params(self):
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# defaults
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daemon = container_updater.ContainerUpdater({})
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self.assertEqual(daemon.devices, '/srv/node')
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self.assertEqual(daemon.mount_check, True)
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self.assertEqual(daemon.swift_dir, '/etc/swift')
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self.assertEqual(daemon.interval, 300)
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self.assertEqual(daemon.concurrency, 4)
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self.assertEqual(daemon.max_containers_per_second, 50.0)
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# non-defaults
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conf = {
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'devices': '/some/where/else',
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'mount_check': 'huh?',
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'swift_dir': '/not/here',
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'interval': '600',
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'concurrency': '2',
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'containers_per_second': '10.5',
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}
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daemon = container_updater.ContainerUpdater(conf)
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self.assertEqual(daemon.devices, '/some/where/else')
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self.assertEqual(daemon.mount_check, False)
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self.assertEqual(daemon.swift_dir, '/not/here')
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self.assertEqual(daemon.interval, 600)
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self.assertEqual(daemon.concurrency, 2)
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self.assertEqual(daemon.max_containers_per_second, 10.5)
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# check deprecated option
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daemon = container_updater.ContainerUpdater({'slowdown': '0.04'})
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self.assertEqual(daemon.max_containers_per_second, 20.0)
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def check_bad(conf):
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with self.assertRaises(ValueError):
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container_updater.ContainerUpdater(conf)
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check_bad({'interval': 'foo'})
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check_bad({'interval': '300.0'})
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check_bad({'concurrency': 'bar'})
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check_bad({'concurrency': '1.0'})
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check_bad({'slowdown': 'baz'})
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check_bad({'containers_per_second': 'quux'})
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@mock.patch.object(container_updater.ContainerUpdater, 'container_sweep')
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def test_run_once_with_device_unmounted(self, mock_sweep):
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cu = self._get_container_updater()
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containers_dir = os.path.join(self.sda1, DATADIR)
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os.mkdir(containers_dir)
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partition_dir = os.path.join(containers_dir, "a")
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os.mkdir(partition_dir)
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cu.run_once()
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self.assertTrue(os.path.exists(containers_dir)) # sanity check
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# only called if a partition dir exists
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self.assertTrue(mock_sweep.called)
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mock_sweep.reset_mock()
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cu = self._get_container_updater({'mount_check': 'true'})
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with mock_check_drive():
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cu.run_once()
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log_lines = self.logger.get_lines_for_level('warning')
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self.assertGreater(len(log_lines), 0)
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msg = 'sda1 is not mounted'
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self.assertEqual(log_lines[0], msg)
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# Ensure that the container_sweep did not run
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self.assertFalse(mock_sweep.called)
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def test_run_once(self):
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cu = self._get_container_updater()
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cu.run_once()
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containers_dir = os.path.join(self.sda1, DATADIR)
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os.mkdir(containers_dir)
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cu.run_once()
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self.assertTrue(os.path.exists(containers_dir))
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subdir = os.path.join(containers_dir, 'subdir')
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os.mkdir(subdir)
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cb = ContainerBroker(os.path.join(subdir, 'hash.db'), account='a',
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container='c')
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cb.initialize(normalize_timestamp(1), 0)
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cu.run_once()
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info = cb.get_info()
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self.assertEqual(info['object_count'], 0)
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self.assertEqual(info['bytes_used'], 0)
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self.assertEqual(info['reported_object_count'], 0)
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self.assertEqual(info['reported_bytes_used'], 0)
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cb.put_object('o', normalize_timestamp(2), 3, 'text/plain',
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'68b329da9893e34099c7d8ad5cb9c940')
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cu.run_once()
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info = cb.get_info()
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self.assertEqual(info['object_count'], 1)
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self.assertEqual(info['bytes_used'], 3)
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self.assertEqual(info['reported_object_count'], 0)
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self.assertEqual(info['reported_bytes_used'], 0)
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def accept(sock, addr, return_code):
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try:
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with Timeout(3):
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inc = sock.makefile('rb')
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out = sock.makefile('wb')
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out.write('HTTP/1.1 %d OK\r\nContent-Length: 0\r\n\r\n' %
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return_code)
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out.flush()
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self.assertEqual(inc.readline(),
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'PUT /sda1/0/a/c HTTP/1.1\r\n')
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headers = {}
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line = inc.readline()
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while line and line != '\r\n':
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headers[line.split(':')[0].lower()] = \
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line.split(':')[1].strip()
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line = inc.readline()
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self.assertTrue('x-put-timestamp' in headers)
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self.assertTrue('x-delete-timestamp' in headers)
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self.assertTrue('x-object-count' in headers)
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self.assertTrue('x-bytes-used' in headers)
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except BaseException as err:
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import traceback
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traceback.print_exc()
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return err
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return None
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bindsock = listen_zero()
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def spawn_accepts():
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events = []
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for _junk in range(2):
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sock, addr = bindsock.accept()
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events.append(spawn(accept, sock, addr, 201))
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return events
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spawned = spawn(spawn_accepts)
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for dev in cu.get_account_ring().devs:
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if dev is not None:
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dev['port'] = bindsock.getsockname()[1]
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cu.run_once()
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for event in spawned.wait():
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err = event.wait()
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if err:
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raise err
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info = cb.get_info()
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self.assertEqual(info['object_count'], 1)
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self.assertEqual(info['bytes_used'], 3)
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self.assertEqual(info['reported_object_count'], 1)
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self.assertEqual(info['reported_bytes_used'], 3)
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@mock.patch('os.listdir')
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def test_listdir_with_exception(self, mock_listdir):
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e = OSError('permission_denied')
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mock_listdir.side_effect = e
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cu = self._get_container_updater()
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paths = cu.get_paths()
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self.assertEqual(paths, [])
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log_lines = self.logger.get_lines_for_level('error')
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msg = ('ERROR: Failed to get paths to drive partitions: '
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'permission_denied')
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self.assertEqual(log_lines[0], msg)
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@mock.patch('os.listdir', return_value=['foo', 'bar'])
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def test_listdir_without_exception(self, mock_listdir):
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cu = self._get_container_updater()
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path = cu._listdir('foo/bar/')
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self.assertEqual(path, ['foo', 'bar'])
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log_lines = self.logger.get_lines_for_level('error')
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self.assertEqual(len(log_lines), 0)
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def test_unicode(self):
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cu = self._get_container_updater()
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containers_dir = os.path.join(self.sda1, DATADIR)
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os.mkdir(containers_dir)
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subdir = os.path.join(containers_dir, 'subdir')
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os.mkdir(subdir)
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cb = ContainerBroker(os.path.join(subdir, 'hash.db'), account='a',
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container='\xce\xa9')
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cb.initialize(normalize_timestamp(1), 0)
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cb.put_object('\xce\xa9', normalize_timestamp(2), 3, 'text/plain',
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'68b329da9893e34099c7d8ad5cb9c940')
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def accept(sock, addr):
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try:
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with Timeout(3):
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inc = sock.makefile('rb')
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out = sock.makefile('wb')
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out.write('HTTP/1.1 201 OK\r\nContent-Length: 0\r\n\r\n')
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out.flush()
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inc.read()
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except BaseException as err:
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import traceback
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traceback.print_exc()
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return err
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return None
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bindsock = listen_zero()
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def spawn_accepts():
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events = []
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for _junk in range(2):
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with Timeout(3):
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sock, addr = bindsock.accept()
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events.append(spawn(accept, sock, addr))
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return events
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spawned = spawn(spawn_accepts)
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for dev in cu.get_account_ring().devs:
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if dev is not None:
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dev['port'] = bindsock.getsockname()[1]
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cu.run_once()
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for event in spawned.wait():
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err = event.wait()
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if err:
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raise err
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info = cb.get_info()
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self.assertEqual(info['object_count'], 1)
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self.assertEqual(info['bytes_used'], 3)
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self.assertEqual(info['reported_object_count'], 1)
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self.assertEqual(info['reported_bytes_used'], 3)
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if __name__ == '__main__':
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unittest.main()
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