740 lines
30 KiB
Python
740 lines
30 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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import random
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import itertools
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from contextlib import closing
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from gzip import GzipFile
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from tempfile import mkdtemp
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from shutil import rmtree
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from test import listen_zero
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from test.unit import (
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make_timestamp_iter, debug_logger, patch_policies, mocked_http_conn)
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from time import time
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from distutils.dir_util import mkpath
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from eventlet import spawn, Timeout
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from swift.obj import updater as object_updater
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from swift.obj.diskfile import (
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ASYNCDIR_BASE, get_async_dir, DiskFileManager, get_tmp_dir)
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from swift.common.ring import RingData
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from swift.common import utils
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from swift.common.header_key_dict import HeaderKeyDict
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from swift.common.utils import (
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hash_path, normalize_timestamp, mkdirs, write_pickle)
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from swift.common.storage_policy import StoragePolicy, POLICIES
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_mocked_policies = [StoragePolicy(0, 'zero', False),
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StoragePolicy(1, 'one', True)]
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@patch_policies(_mocked_policies)
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class TestObjectUpdater(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 = ''
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self.testdir = mkdtemp()
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ring_file = os.path.join(self.testdir, 'container.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, 2, 0, 1, 2],
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[1, 2, 0, 1, 2, 0],
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[2, 3, 1, 2, 3, 1]],
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[{'id': 0, 'ip': '127.0.0.1', 'port': 1,
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'device': 'sda1', 'zone': 0},
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{'id': 1, 'ip': '127.0.0.1', 'port': 1,
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'device': 'sda1', 'zone': 2},
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{'id': 2, 'ip': '127.0.0.1', 'port': 1,
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'device': 'sda1', 'zone': 4},
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{'id': 3, 'ip': '127.0.0.1', 'port': 1,
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'device': 'sda1', 'zone': 6}], 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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for policy in POLICIES:
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os.mkdir(os.path.join(self.sda1, get_tmp_dir(policy)))
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self.logger = debug_logger()
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def tearDown(self):
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rmtree(self.testdir, ignore_errors=1)
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def test_creation(self):
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ou = object_updater.ObjectUpdater({
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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': '2',
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'node_timeout': '5.5'})
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self.assertTrue(hasattr(ou, 'logger'))
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self.assertTrue(ou.logger is not None)
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self.assertEqual(ou.devices, self.devices_dir)
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self.assertEqual(ou.interval, 1)
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self.assertEqual(ou.concurrency, 2)
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self.assertEqual(ou.node_timeout, 5.5)
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self.assertTrue(ou.get_container_ring() is not None)
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def test_conf_params(self):
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# defaults
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daemon = object_updater.ObjectUpdater({}, logger=self.logger)
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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, 1)
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self.assertEqual(daemon.max_objects_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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'objects_per_second': '10.5',
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}
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daemon = object_updater.ObjectUpdater(conf, logger=self.logger)
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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_objects_per_second, 10.5)
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# check deprecated option
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daemon = object_updater.ObjectUpdater({'slowdown': '0.04'},
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logger=self.logger)
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self.assertEqual(daemon.max_objects_per_second, 20.0)
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def check_bad(conf):
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with self.assertRaises(ValueError):
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object_updater.ObjectUpdater(conf, logger=self.logger)
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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({'objects_per_second': 'quux'})
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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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# setup updater
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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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}
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daemon = object_updater.ObjectUpdater(conf, logger=self.logger)
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paths = daemon._listdir('foo/bar')
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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: Unable to access foo/bar: 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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# setup updater
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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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}
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daemon = object_updater.ObjectUpdater(conf, logger=self.logger)
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path = daemon._listdir('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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self.assertEqual(path, ['foo', 'bar'])
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def test_object_sweep(self):
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def check_with_idx(index, warn, should_skip):
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if int(index) > 0:
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asyncdir = os.path.join(self.sda1,
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ASYNCDIR_BASE + "-" + index)
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else:
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asyncdir = os.path.join(self.sda1, ASYNCDIR_BASE)
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prefix_dir = os.path.join(asyncdir, 'abc')
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mkpath(prefix_dir)
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# A non-directory where directory is expected should just be
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# skipped, but should not stop processing of subsequent
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# directories.
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not_dirs = (
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os.path.join(self.sda1, 'not_a_dir'),
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os.path.join(self.sda1,
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ASYNCDIR_BASE + '-' + 'twentington'),
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os.path.join(self.sda1,
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ASYNCDIR_BASE + '-' + str(int(index) + 100)))
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for not_dir in not_dirs:
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with open(not_dir, 'w'):
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pass
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objects = {
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'a': [1089.3, 18.37, 12.83, 1.3],
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'b': [49.4, 49.3, 49.2, 49.1],
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'c': [109984.123],
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}
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expected = set()
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for o, timestamps in objects.items():
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ohash = hash_path('account', 'container', o)
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for t in timestamps:
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o_path = os.path.join(prefix_dir, ohash + '-' +
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normalize_timestamp(t))
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if t == timestamps[0]:
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expected.add((o_path, int(index)))
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write_pickle({}, o_path)
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seen = set()
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class MockObjectUpdater(object_updater.ObjectUpdater):
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def process_object_update(self, update_path, device, policy):
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seen.add((update_path, int(policy)))
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os.unlink(update_path)
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ou = MockObjectUpdater({
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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': '5'})
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ou.logger = mock_logger = mock.MagicMock()
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ou.object_sweep(self.sda1)
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self.assertEqual(mock_logger.warning.call_count, warn)
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self.assertTrue(
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os.path.exists(os.path.join(self.sda1, 'not_a_dir')))
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if should_skip:
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# if we were supposed to skip over the dir, we didn't process
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# anything at all
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self.assertTrue(os.path.exists(prefix_dir))
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self.assertEqual(set(), seen)
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else:
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self.assertTrue(not os.path.exists(prefix_dir))
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self.assertEqual(expected, seen)
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# test cleanup: the tempdir gets cleaned up between runs, but this
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# way we can be called multiple times in a single test method
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for not_dir in not_dirs:
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os.unlink(not_dir)
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# first check with valid policies
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for pol in POLICIES:
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check_with_idx(str(pol.idx), 0, should_skip=False)
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# now check with a bogus async dir policy and make sure we get
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# a warning indicating that the '99' policy isn't valid
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check_with_idx('99', 1, should_skip=True)
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@mock.patch.object(object_updater, 'check_drive')
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def test_run_once_with_disk_unmounted(self, mock_check_drive):
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mock_check_drive.return_value = False
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ou = object_updater.ObjectUpdater({
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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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ou.run_once()
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async_dir = os.path.join(self.sda1, get_async_dir(POLICIES[0]))
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os.mkdir(async_dir)
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ou.run_once()
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self.assertTrue(os.path.exists(async_dir))
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# each run calls check_device
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self.assertEqual([
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mock.call(self.devices_dir, 'sda1', False),
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mock.call(self.devices_dir, 'sda1', False),
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], mock_check_drive.mock_calls)
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mock_check_drive.reset_mock()
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ou = object_updater.ObjectUpdater({
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'devices': self.devices_dir,
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'mount_check': 'TrUe',
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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'}, logger=self.logger)
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odd_dir = os.path.join(async_dir, 'not really supposed '
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'to be here')
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os.mkdir(odd_dir)
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ou.run_once()
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self.assertTrue(os.path.exists(async_dir))
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self.assertTrue(os.path.exists(odd_dir)) # skipped - not mounted!
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self.assertEqual([
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mock.call(self.devices_dir, 'sda1', True),
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], mock_check_drive.mock_calls)
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self.assertEqual(ou.logger.get_increment_counts(), {'errors': 1})
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@mock.patch.object(object_updater, 'check_drive')
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def test_run_once(self, mock_check_drive):
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mock_check_drive.return_value = True
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ou = object_updater.ObjectUpdater({
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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'}, logger=self.logger)
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ou.run_once()
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async_dir = os.path.join(self.sda1, get_async_dir(POLICIES[0]))
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os.mkdir(async_dir)
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ou.run_once()
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self.assertTrue(os.path.exists(async_dir))
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# each run calls check_device
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self.assertEqual([
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mock.call(self.devices_dir, 'sda1', False),
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mock.call(self.devices_dir, 'sda1', False),
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], mock_check_drive.mock_calls)
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mock_check_drive.reset_mock()
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ou = object_updater.ObjectUpdater({
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'devices': self.devices_dir,
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'mount_check': 'TrUe',
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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'}, logger=self.logger)
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odd_dir = os.path.join(async_dir, 'not really supposed '
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'to be here')
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os.mkdir(odd_dir)
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ou.run_once()
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self.assertTrue(os.path.exists(async_dir))
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self.assertFalse(os.path.exists(odd_dir))
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self.assertEqual([
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mock.call(self.devices_dir, 'sda1', True),
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], mock_check_drive.mock_calls)
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ohash = hash_path('a', 'c', 'o')
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odir = os.path.join(async_dir, ohash[-3:])
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mkdirs(odir)
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older_op_path = os.path.join(
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odir,
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'%s-%s' % (ohash, normalize_timestamp(time() - 1)))
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op_path = os.path.join(
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odir,
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'%s-%s' % (ohash, normalize_timestamp(time())))
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for path in (op_path, older_op_path):
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with open(path, 'wb') as async_pending:
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pickle.dump({'op': 'PUT', 'account': 'a',
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'container': 'c',
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'obj': 'o', 'headers': {
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'X-Container-Timestamp':
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normalize_timestamp(0)}},
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async_pending)
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ou.run_once()
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self.assertTrue(not os.path.exists(older_op_path))
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self.assertTrue(os.path.exists(op_path))
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self.assertEqual(ou.logger.get_increment_counts(),
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{'failures': 1, 'unlinks': 1})
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self.assertIsNone(pickle.load(open(op_path)).get('successes'))
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bindsock = listen_zero()
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def accepter(sock, 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/o HTTP/1.1\r\n')
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headers = HeaderKeyDict()
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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]] = \
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line.split(':')[1].strip()
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line = inc.readline()
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self.assertTrue('x-container-timestamp' in headers)
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self.assertTrue('X-Backend-Storage-Policy-Index' in
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headers)
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except BaseException as err:
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return err
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return None
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def accept(return_codes):
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try:
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events = []
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for code in return_codes:
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with Timeout(3):
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sock, addr = bindsock.accept()
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events.append(
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spawn(accepter, sock, code))
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for event in events:
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err = event.wait()
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if err:
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raise err
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except BaseException as err:
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return err
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return None
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event = spawn(accept, [201, 500, 500])
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for dev in ou.get_container_ring().devs:
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if dev is not None:
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dev['port'] = bindsock.getsockname()[1]
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ou.logger._clear()
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ou.run_once()
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err = event.wait()
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if err:
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raise err
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self.assertTrue(os.path.exists(op_path))
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self.assertEqual(ou.logger.get_increment_counts(),
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{'failures': 1})
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self.assertEqual([0],
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pickle.load(open(op_path)).get('successes'))
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event = spawn(accept, [404, 201])
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ou.logger._clear()
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ou.run_once()
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err = event.wait()
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if err:
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raise err
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self.assertTrue(os.path.exists(op_path))
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self.assertEqual(ou.logger.get_increment_counts(),
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{'failures': 1})
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self.assertEqual([0, 2],
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pickle.load(open(op_path)).get('successes'))
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event = spawn(accept, [201])
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ou.logger._clear()
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ou.run_once()
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err = event.wait()
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if err:
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raise err
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self.assertTrue(not os.path.exists(op_path))
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self.assertEqual(ou.logger.get_increment_counts(),
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{'unlinks': 1, 'successes': 1})
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def test_obj_put_legacy_updates(self):
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ts = (normalize_timestamp(t) for t in
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itertools.count(int(time())))
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policy = POLICIES.get_by_index(0)
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# setup updater
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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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}
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async_dir = os.path.join(self.sda1, get_async_dir(policy))
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os.mkdir(async_dir)
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account, container, obj = 'a', 'c', 'o'
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# write an async
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for op in ('PUT', 'DELETE'):
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self.logger._clear()
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daemon = object_updater.ObjectUpdater(conf, logger=self.logger)
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dfmanager = DiskFileManager(conf, daemon.logger)
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# don't include storage-policy-index in headers_out pickle
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headers_out = HeaderKeyDict({
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'x-size': 0,
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'x-content-type': 'text/plain',
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'x-etag': 'd41d8cd98f00b204e9800998ecf8427e',
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'x-timestamp': next(ts),
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})
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data = {'op': op, 'account': account, 'container': container,
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'obj': obj, 'headers': headers_out}
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dfmanager.pickle_async_update(self.sda1, account, container, obj,
|
|
data, next(ts), policy)
|
|
|
|
request_log = []
|
|
|
|
def capture(*args, **kwargs):
|
|
request_log.append((args, kwargs))
|
|
|
|
# run once
|
|
fake_status_codes = [200, 200, 200]
|
|
with mocked_http_conn(*fake_status_codes, give_connect=capture):
|
|
daemon.run_once()
|
|
self.assertEqual(len(fake_status_codes), len(request_log))
|
|
for request_args, request_kwargs in request_log:
|
|
ip, part, method, path, headers, qs, ssl = request_args
|
|
self.assertEqual(method, op)
|
|
self.assertEqual(headers['X-Backend-Storage-Policy-Index'],
|
|
str(int(policy)))
|
|
self.assertEqual(daemon.logger.get_increment_counts(),
|
|
{'successes': 1, 'unlinks': 1,
|
|
'async_pendings': 1})
|
|
|
|
def test_obj_put_async_updates(self):
|
|
ts_iter = make_timestamp_iter()
|
|
policies = list(POLICIES)
|
|
random.shuffle(policies)
|
|
|
|
# setup updater
|
|
conf = {
|
|
'devices': self.devices_dir,
|
|
'mount_check': 'false',
|
|
'swift_dir': self.testdir,
|
|
}
|
|
daemon = object_updater.ObjectUpdater(conf, logger=self.logger)
|
|
async_dir = os.path.join(self.sda1, get_async_dir(policies[0]))
|
|
os.mkdir(async_dir)
|
|
|
|
def do_test(headers_out, expected):
|
|
# write an async
|
|
dfmanager = DiskFileManager(conf, daemon.logger)
|
|
account, container, obj = 'a', 'c', 'o'
|
|
op = 'PUT'
|
|
data = {'op': op, 'account': account, 'container': container,
|
|
'obj': obj, 'headers': headers_out}
|
|
dfmanager.pickle_async_update(self.sda1, account, container, obj,
|
|
data, next(ts_iter), policies[0])
|
|
|
|
request_log = []
|
|
|
|
def capture(*args, **kwargs):
|
|
request_log.append((args, kwargs))
|
|
|
|
# run once
|
|
fake_status_codes = [
|
|
200, # object update success
|
|
200, # object update success
|
|
200, # object update conflict
|
|
]
|
|
with mocked_http_conn(*fake_status_codes, give_connect=capture):
|
|
daemon.run_once()
|
|
self.assertEqual(len(fake_status_codes), len(request_log))
|
|
for request_args, request_kwargs in request_log:
|
|
ip, part, method, path, headers, qs, ssl = request_args
|
|
self.assertEqual(method, 'PUT')
|
|
self.assertDictEqual(expected, headers)
|
|
self.assertEqual(
|
|
daemon.logger.get_increment_counts(),
|
|
{'successes': 1, 'unlinks': 1, 'async_pendings': 1})
|
|
self.assertFalse(os.listdir(async_dir))
|
|
daemon.logger.clear()
|
|
|
|
ts = next(ts_iter)
|
|
# use a dict rather than HeaderKeyDict so we can vary the case of the
|
|
# pickled headers
|
|
headers_out = {
|
|
'x-size': 0,
|
|
'x-content-type': 'text/plain',
|
|
'x-etag': 'd41d8cd98f00b204e9800998ecf8427e',
|
|
'x-timestamp': ts.normal,
|
|
'X-Backend-Storage-Policy-Index': int(policies[0]),
|
|
'User-Agent': 'object-server %s' % os.getpid()
|
|
}
|
|
expected = {
|
|
'X-Size': '0',
|
|
'X-Content-Type': 'text/plain',
|
|
'X-Etag': 'd41d8cd98f00b204e9800998ecf8427e',
|
|
'X-Timestamp': ts.normal,
|
|
'X-Backend-Storage-Policy-Index': str(int(policies[0])),
|
|
'User-Agent': 'object-updater %s' % os.getpid()
|
|
}
|
|
do_test(headers_out, expected)
|
|
|
|
# updater should add policy header if missing
|
|
headers_out['X-Backend-Storage-Policy-Index'] = None
|
|
do_test(headers_out, expected)
|
|
|
|
# updater should not overwrite a mismatched policy header
|
|
headers_out['X-Backend-Storage-Policy-Index'] = int(policies[1])
|
|
expected['X-Backend-Storage-Policy-Index'] = str(int(policies[1]))
|
|
do_test(headers_out, expected)
|
|
|
|
# check for case insensitivity
|
|
headers_out['user-agent'] = headers_out.pop('User-Agent')
|
|
headers_out['x-backend-storage-policy-index'] = headers_out.pop(
|
|
'X-Backend-Storage-Policy-Index')
|
|
do_test(headers_out, expected)
|
|
|
|
def _write_async_update(self, dfmanager, timestamp, policy,
|
|
container_path=None):
|
|
# write an async
|
|
account, container, obj = 'a', 'c', 'o'
|
|
op = 'PUT'
|
|
headers_out = {
|
|
'x-size': 0,
|
|
'x-content-type': 'text/plain',
|
|
'x-etag': 'd41d8cd98f00b204e9800998ecf8427e',
|
|
'x-timestamp': timestamp.internal,
|
|
'X-Backend-Storage-Policy-Index': int(policy),
|
|
'User-Agent': 'object-server %s' % os.getpid()
|
|
}
|
|
data = {'op': op, 'account': account, 'container': container,
|
|
'obj': obj, 'headers': headers_out}
|
|
if container_path:
|
|
data['container_path'] = container_path
|
|
dfmanager.pickle_async_update(self.sda1, account, container, obj,
|
|
data, timestamp, policy)
|
|
|
|
def _check_update_requests(self, request_log, timestamp, policy):
|
|
# do some sanity checks on update request
|
|
expected_headers = {
|
|
'X-Size': '0',
|
|
'X-Content-Type': 'text/plain',
|
|
'X-Etag': 'd41d8cd98f00b204e9800998ecf8427e',
|
|
'X-Timestamp': timestamp.internal,
|
|
'X-Backend-Storage-Policy-Index': str(int(policy)),
|
|
'User-Agent': 'object-updater %s' % os.getpid()
|
|
}
|
|
for request_args, request_kwargs in request_log:
|
|
ip, part, method, path, headers, qs, ssl = request_args
|
|
self.assertEqual(method, 'PUT')
|
|
self.assertDictEqual(expected_headers, headers)
|
|
|
|
def test_obj_put_async_root_update_redirected(self):
|
|
ts_iter = make_timestamp_iter()
|
|
policies = list(POLICIES)
|
|
random.shuffle(policies)
|
|
# setup updater
|
|
conf = {
|
|
'devices': self.devices_dir,
|
|
'mount_check': 'false',
|
|
'swift_dir': self.testdir,
|
|
}
|
|
daemon = object_updater.ObjectUpdater(conf, logger=self.logger)
|
|
async_dir = os.path.join(self.sda1, get_async_dir(policies[0]))
|
|
os.mkdir(async_dir)
|
|
dfmanager = DiskFileManager(conf, daemon.logger)
|
|
|
|
ts_obj = next(ts_iter)
|
|
self._write_async_update(dfmanager, ts_obj, policies[0])
|
|
request_log = []
|
|
|
|
def capture(*args, **kwargs):
|
|
request_log.append((args, kwargs))
|
|
|
|
# run once
|
|
ts_redirect_1 = next(ts_iter)
|
|
ts_redirect_2 = next(ts_iter)
|
|
fake_responses = [
|
|
# first round of update attempts, newest redirect should be chosen
|
|
(200, {}),
|
|
(301, {'Location': '/.sharded_a/c_shard_new/o',
|
|
'X-Backend-Redirect-Timestamp': ts_redirect_2.internal}),
|
|
(301, {'Location': '/.sharded_a/c_shard_old/o',
|
|
'X-Backend-Redirect-Timestamp': ts_redirect_1.internal}),
|
|
# second round of update attempts
|
|
(200, {}),
|
|
(200, {}),
|
|
]
|
|
fake_status_codes, fake_headers = zip(*fake_responses)
|
|
with mocked_http_conn(*fake_status_codes, give_connect=capture,
|
|
headers=fake_headers):
|
|
with mock.patch('swift.obj.updater.dump_recon_cache'):
|
|
daemon.run_once()
|
|
|
|
self._check_update_requests(request_log, ts_obj, policies[0])
|
|
|
|
self.assertEqual(['/sda1/0/a/c/o'] * 3 +
|
|
['/sda1/0/.sharded_a/c_shard_new/o'] * 2,
|
|
[args[0][3] for args in request_log])
|
|
self.assertEqual(
|
|
{'redirects': 1, 'successes': 1,
|
|
'unlinks': 1, 'async_pendings': 1},
|
|
daemon.logger.get_increment_counts())
|
|
self.assertFalse(os.listdir(async_dir))
|
|
|
|
def test_obj_put_async_shard_update_redirected_twice(self):
|
|
ts_iter = make_timestamp_iter()
|
|
policies = list(POLICIES)
|
|
random.shuffle(policies)
|
|
# setup updater
|
|
conf = {
|
|
'devices': self.devices_dir,
|
|
'mount_check': 'false',
|
|
'swift_dir': self.testdir,
|
|
}
|
|
daemon = object_updater.ObjectUpdater(conf, logger=self.logger)
|
|
async_dir = os.path.join(self.sda1, get_async_dir(policies[0]))
|
|
os.mkdir(async_dir)
|
|
dfmanager = DiskFileManager(conf, daemon.logger)
|
|
|
|
ts_obj = next(ts_iter)
|
|
self._write_async_update(dfmanager, ts_obj, policies[0],
|
|
container_path='.sharded_a/c_shard_older')
|
|
async_pending_files = os.listdir(async_dir)
|
|
request_log = []
|
|
|
|
def capture(*args, **kwargs):
|
|
request_log.append((args, kwargs))
|
|
|
|
# run once
|
|
ts_redirect_1 = next(ts_iter)
|
|
ts_redirect_2 = next(ts_iter)
|
|
ts_redirect_3 = next(ts_iter)
|
|
fake_responses = [
|
|
# 1st round of redirects, newest redirect should be chosen
|
|
(301, {'Location': '/.sharded_a/c_shard_old/o',
|
|
'X-Backend-Redirect-Timestamp': ts_redirect_1.internal}),
|
|
(301, {'Location': '/.sharded_a/c_shard_new/o',
|
|
'X-Backend-Redirect-Timestamp': ts_redirect_2.internal}),
|
|
(301, {'Location': '/.sharded_a/c_shard_old/o',
|
|
'X-Backend-Redirect-Timestamp': ts_redirect_1.internal}),
|
|
# 2nd round of redirects
|
|
(301, {'Location': '/.sharded_a/c_shard_newer/o',
|
|
'X-Backend-Redirect-Timestamp': ts_redirect_3.internal}),
|
|
(301, {'Location': '/.sharded_a/c_shard_newer/o',
|
|
'X-Backend-Redirect-Timestamp': ts_redirect_3.internal}),
|
|
(301, {'Location': '/.sharded_a/c_shard_newer/o',
|
|
'X-Backend-Redirect-Timestamp': ts_redirect_3.internal}),
|
|
]
|
|
fake_status_codes, fake_headers = zip(*fake_responses)
|
|
with mocked_http_conn(*fake_status_codes, give_connect=capture,
|
|
headers=fake_headers):
|
|
with mock.patch('swift.obj.updater.dump_recon_cache'):
|
|
daemon.run_once()
|
|
|
|
self._check_update_requests(request_log, ts_obj, policies[0])
|
|
# only *one* set of redirected requests is attempted per cycle
|
|
self.assertEqual(['/sda1/0/.sharded_a/c_shard_older/o'] * 3 +
|
|
['/sda1/0/.sharded_a/c_shard_new/o'] * 3,
|
|
[args[0][3] for args in request_log])
|
|
self.assertEqual(
|
|
{'redirects': 1, 'failures': 1, 'async_pendings': 1},
|
|
daemon.logger.get_increment_counts())
|
|
# update failed, we still have pending file
|
|
self.assertEqual(async_pending_files, os.listdir(async_dir))
|
|
|
|
# next cycle, should get latest redirect from pickled async update
|
|
request_log = []
|
|
fake_responses = [(200, {})] * 3
|
|
fake_status_codes, fake_headers = zip(*fake_responses)
|
|
with mocked_http_conn(*fake_status_codes, give_connect=capture,
|
|
headers=fake_headers):
|
|
with mock.patch('swift.obj.updater.dump_recon_cache'):
|
|
daemon.run_once()
|
|
|
|
self._check_update_requests(request_log, ts_obj, policies[0])
|
|
self.assertEqual(['/sda1/1/.sharded_a/c_shard_newer/o'] * 3,
|
|
[args[0][3] for args in request_log])
|
|
self.assertEqual(
|
|
{'redirects': 1, 'failures': 1, 'successes': 1, 'unlinks': 1,
|
|
'async_pendings': 1},
|
|
daemon.logger.get_increment_counts())
|
|
self.assertFalse(os.listdir(async_dir))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|