Exemple #1
0
 def test_listdir_with_exception(self, mock_listdir):
     e = OSError('permission_denied')
     mock_listdir.side_effect = e
     # setup updater
     conf = {
         'devices': self.devices_dir,
         'mount_check': 'false',
         'swift_dir': self.testdir,
     }
     daemon = object_updater.ObjectUpdater(conf)
     daemon.logger = FakeLogger()
     paths = daemon._listdir('foo/bar')
     self.assertEqual([], paths)
     log_lines = daemon.logger.get_lines_for_level('error')
     msg = ('ERROR: Unable to access foo/bar: permission_denied')
     self.assertEqual(log_lines[0], msg)
 def test_creation(self):
     ou = object_updater.ObjectUpdater({
         'devices': self.devices_dir,
         'mount_check': 'false',
         'swift_dir': self.testdir,
         'interval': '1',
         'concurrency': '2',
         'node_timeout': '5.5'
     })
     self.assertTrue(hasattr(ou, 'logger'))
     self.assertTrue(ou.logger is not None)
     self.assertEqual(ou.devices, self.devices_dir)
     self.assertEqual(ou.interval, 1)
     self.assertEqual(ou.concurrency, 2)
     self.assertEqual(ou.node_timeout, 5.5)
     self.assertTrue(ou.get_container_ring() is not None)
Exemple #3
0
    def _check_obj_put_async_update_bad_redirect_headers(self, headers):
        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(self.ts_iter)
        self._write_async_update(dfmanager, ts_obj, policies[0])
        orig_async_path, orig_async_data = self._check_async_file(async_dir)

        fake_responses = [
            (301, headers),
            (301, headers),
            (301, headers),
        ]
        fake_status_codes, fake_headers = zip(*fake_responses)
        with mocked_http_conn(*fake_status_codes,
                              headers=fake_headers) as conn:
            with mock.patch('swift.obj.updater.dump_recon_cache'):
                daemon.run_once()

        self._check_update_requests(conn.requests, ts_obj, policies[0])
        self.assertEqual(['/sda1/0/a/c/o'] * 3,
                         [req['path'] for req in conn.requests])
        self.assertEqual({
            'failures': 1,
            'async_pendings': 1
        }, daemon.logger.get_increment_counts())
        # async file still intact
        async_path, async_data = self._check_async_file(async_dir)
        self.assertEqual(orig_async_path, async_path)
        self.assertEqual(orig_async_data, async_data)
        return daemon
Exemple #4
0
    def test_obj_put_async_shard_update_redirected_twice(self):
        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(self.ts_iter)
        self._write_async_update(dfmanager,
                                 ts_obj,
                                 policies[0],
                                 container_path='.shards_a/c_shard_older')
        orig_async_path, orig_async_data = self._check_async_file(async_dir)

        # run once
        ts_redirect_1 = next(self.ts_iter)
        ts_redirect_2 = next(self.ts_iter)
        ts_redirect_3 = next(self.ts_iter)
        fake_responses = [
            # 1st round of redirects, newest redirect should be chosen
            (301, {
                'Location': '/.shards_a/c_shard_old/o',
                'X-Backend-Redirect-Timestamp': ts_redirect_1.internal
            }),
            (301, {
                'Location': '/.shards_a/c_shard_new/o',
                'X-Backend-Redirect-Timestamp': ts_redirect_2.internal
            }),
            (301, {
                'Location': '/.shards_a/c_shard_old/o',
                'X-Backend-Redirect-Timestamp': ts_redirect_1.internal
            }),
            # 2nd round of redirects
            (301, {
                'Location': '/.shards_a/c_shard_newer/o',
                'X-Backend-Redirect-Timestamp': ts_redirect_3.internal
            }),
            (301, {
                'Location': '/.shards_a/c_shard_newer/o',
                'X-Backend-Redirect-Timestamp': ts_redirect_3.internal
            }),
            (301, {
                'Location': '/.shards_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,
                              headers=fake_headers) as conn:
            with mock.patch('swift.obj.updater.dump_recon_cache'):
                daemon.run_once()

        self._check_update_requests(conn.requests, ts_obj, policies[0])
        # only *one* set of redirected requests is attempted per cycle
        older_part = daemon.container_ring.get_part('.shards_a/c_shard_older')
        new_part = daemon.container_ring.get_part('.shards_a/c_shard_new')
        newer_part = daemon.container_ring.get_part('.shards_a/c_shard_newer')
        self.assertEqual(
            ['/sda1/%s/.shards_a/c_shard_older/o' % older_part] * 3 +
            ['/sda1/%s/.shards_a/c_shard_new/o' % new_part] * 3,
            [req['path'] for req in conn.requests])
        self.assertEqual({
            'redirects': 2,
            'async_pendings': 1
        }, daemon.logger.get_increment_counts())
        # update failed, we still have pending file with most recent redirect
        # response Location header value added to data
        async_path, async_data = self._check_async_file(async_dir)
        self.assertEqual(orig_async_path, async_path)
        self.assertEqual(
            dict(orig_async_data,
                 container_path='.shards_a/c_shard_newer',
                 redirect_history=[
                     '.shards_a/c_shard_new', '.shards_a/c_shard_newer'
                 ]), async_data)

        # next cycle, should get latest redirect from pickled async update
        fake_responses = [(200, {})] * 3
        fake_status_codes, fake_headers = zip(*fake_responses)
        with mocked_http_conn(*fake_status_codes,
                              headers=fake_headers) as conn:
            with mock.patch('swift.obj.updater.dump_recon_cache'):
                daemon.run_once()

        self._check_update_requests(conn.requests, ts_obj, policies[0])
        self.assertEqual(['/sda1/%s/.shards_a/c_shard_newer/o' % newer_part] *
                         3, [req['path'] for req in conn.requests])
        self.assertEqual(
            {
                'redirects': 2,
                'successes': 1,
                'unlinks': 1,
                'async_pendings': 1
            }, daemon.logger.get_increment_counts())
        self.assertFalse(os.listdir(async_dir))  # no async file
Exemple #5
0
    def test_obj_put_async_root_update_redirected_previous_success(self):
        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(self.ts_iter)
        self._write_async_update(dfmanager, ts_obj, policies[0])
        orig_async_path, orig_async_data = self._check_async_file(async_dir)

        # run once
        with mocked_http_conn(507, 200, 507) as conn:
            with mock.patch('swift.obj.updater.dump_recon_cache'):
                daemon.run_once()

        self._check_update_requests(conn.requests, ts_obj, policies[0])
        self.assertEqual(['/sda1/0/a/c/o'] * 3,
                         [req['path'] for req in conn.requests])
        self.assertEqual({
            'failures': 1,
            'async_pendings': 1
        }, daemon.logger.get_increment_counts())
        async_path, async_data = self._check_async_file(async_dir)
        self.assertEqual(dict(orig_async_data, successes=[1]), async_data)

        # run again - expect 3 redirected updates despite previous success
        ts_redirect = next(self.ts_iter)
        resp_headers_1 = {
            'Location': '/.shards_a/c_shard_1/o',
            'X-Backend-Redirect-Timestamp': ts_redirect.internal
        }
        fake_responses = (
            # 1st round of redirects, 2nd round of redirects
            [(301, resp_headers_1)] * 2 + [(200, {})] * 3)
        fake_status_codes, fake_headers = zip(*fake_responses)
        with mocked_http_conn(*fake_status_codes,
                              headers=fake_headers) as conn:
            with mock.patch('swift.obj.updater.dump_recon_cache'):
                daemon.run_once()

        self._check_update_requests(conn.requests[:2], ts_obj, policies[0])
        self._check_update_requests(conn.requests[2:], ts_obj, policies[0])
        root_part = daemon.container_ring.get_part('a/c')
        shard_1_part = daemon.container_ring.get_part('.shards_a/c_shard_1')
        self.assertEqual(['/sda1/%s/a/c/o' % root_part] * 2 +
                         ['/sda1/%s/.shards_a/c_shard_1/o' % shard_1_part] * 3,
                         [req['path'] for req in conn.requests])
        self.assertEqual(
            {
                'redirects': 1,
                'successes': 1,
                'failures': 1,
                'unlinks': 1,
                'async_pendings': 1
            }, daemon.logger.get_increment_counts())
        self.assertFalse(os.listdir(async_dir))  # no async file
Exemple #6
0
    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, container_path=None):
            # write an async
            dfmanager = DiskFileManager(conf, daemon.logger)
            self._write_async_update(dfmanager,
                                     next(ts_iter),
                                     policies[0],
                                     headers=headers_out,
                                     container_path=container_path)
            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(),
            'X-Backend-Accept-Redirect': 'true',
        }
        # always expect X-Backend-Accept-Redirect to be true
        do_test(headers_out, expected, container_path='.shards_a/shard_c')
        do_test(headers_out, expected)

        # ...unless X-Backend-Accept-Redirect is already set
        expected['X-Backend-Accept-Redirect'] = 'false'
        headers_out_2 = dict(headers_out)
        headers_out_2['X-Backend-Accept-Redirect'] = 'false'
        do_test(headers_out_2, expected)

        # updater should add policy header if missing
        expected['X-Backend-Accept-Redirect'] = 'true'
        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)
Exemple #7
0
    def test_run_once(self, mock_check_drive):
        mock_check_drive.side_effect = lambda r, d, mc: os.path.join(r, d)
        ou = object_updater.ObjectUpdater(
            {
                'devices': self.devices_dir,
                'mount_check': 'false',
                'swift_dir': self.testdir,
                'interval': '1',
                'concurrency': '1',
                'node_timeout': '15'
            },
            logger=self.logger)
        ou.run_once()
        async_dir = os.path.join(self.sda1, get_async_dir(POLICIES[0]))
        os.mkdir(async_dir)
        ou.run_once()
        self.assertTrue(os.path.exists(async_dir))
        # each run calls check_device
        self.assertEqual([
            mock.call(self.devices_dir, 'sda1', False),
            mock.call(self.devices_dir, 'sda1', False),
        ], mock_check_drive.mock_calls)
        mock_check_drive.reset_mock()

        ou = object_updater.ObjectUpdater(
            {
                'devices': self.devices_dir,
                'mount_check': 'TrUe',
                'swift_dir': self.testdir,
                'interval': '1',
                'concurrency': '1',
                'node_timeout': '15'
            },
            logger=self.logger)
        odd_dir = os.path.join(async_dir, 'not really supposed ' 'to be here')
        os.mkdir(odd_dir)
        ou.run_once()
        self.assertTrue(os.path.exists(async_dir))
        self.assertEqual([
            mock.call(self.devices_dir, 'sda1', True),
        ], mock_check_drive.mock_calls)

        ohash = hash_path('a', 'c', 'o')
        odir = os.path.join(async_dir, ohash[-3:])
        mkdirs(odir)
        older_op_path = os.path.join(
            odir, '%s-%s' % (ohash, normalize_timestamp(time() - 1)))
        op_path = os.path.join(odir,
                               '%s-%s' % (ohash, normalize_timestamp(time())))
        for path in (op_path, older_op_path):
            with open(path, 'wb') as async_pending:
                pickle.dump(
                    {
                        'op': 'PUT',
                        'account': 'a',
                        'container': 'c',
                        'obj': 'o',
                        'headers': {
                            'X-Container-Timestamp': normalize_timestamp(0)
                        }
                    }, async_pending)
        ou.run_once()
        self.assertTrue(not os.path.exists(older_op_path))
        self.assertTrue(os.path.exists(op_path))
        self.assertEqual(ou.logger.get_increment_counts(), {
            'failures': 1,
            'unlinks': 1
        })
        self.assertIsNone(pickle.load(open(op_path)).get('successes'))

        bindsock = listen_zero()

        def accepter(sock, return_code):
            try:
                with Timeout(3):
                    inc = sock.makefile('rb')
                    out = sock.makefile('wb')
                    out.write('HTTP/1.1 %d OK\r\nContent-Length: 0\r\n\r\n' %
                              return_code)
                    out.flush()
                    self.assertEqual(inc.readline(),
                                     'PUT /sda1/0/a/c/o HTTP/1.1\r\n')
                    headers = HeaderKeyDict()
                    line = inc.readline()
                    while line and line != '\r\n':
                        headers[line.split(':')[0]] = \
                            line.split(':')[1].strip()
                        line = inc.readline()
                    self.assertTrue('x-container-timestamp' in headers)
                    self.assertTrue(
                        'X-Backend-Storage-Policy-Index' in headers)
            except BaseException as err:
                return err
            return None

        def accept(return_codes):
            try:
                events = []
                for code in return_codes:
                    with Timeout(3):
                        sock, addr = bindsock.accept()
                        events.append(spawn(accepter, sock, code))
                for event in events:
                    err = event.wait()
                    if err:
                        raise err
            except BaseException as err:
                return err
            return None

        event = spawn(accept, [201, 500, 500])
        for dev in ou.get_container_ring().devs:
            if dev is not None:
                dev['port'] = bindsock.getsockname()[1]

        ou.logger._clear()
        ou.run_once()
        err = event.wait()
        if err:
            raise err
        self.assertTrue(os.path.exists(op_path))
        self.assertEqual(ou.logger.get_increment_counts(), {'failures': 1})
        self.assertEqual([0], pickle.load(open(op_path)).get('successes'))

        event = spawn(accept, [404, 201])
        ou.logger._clear()
        ou.run_once()
        err = event.wait()
        if err:
            raise err
        self.assertTrue(os.path.exists(op_path))
        self.assertEqual(ou.logger.get_increment_counts(), {'failures': 1})
        self.assertEqual([0, 2], pickle.load(open(op_path)).get('successes'))

        event = spawn(accept, [201])
        ou.logger._clear()
        ou.run_once()
        err = event.wait()
        if err:
            raise err

        # we remove the async_pending and its containing suffix dir, but not
        # anything above that
        self.assertFalse(os.path.exists(op_path))
        self.assertFalse(os.path.exists(os.path.dirname(op_path)))
        self.assertTrue(
            os.path.exists(os.path.dirname(os.path.dirname(op_path))))
        self.assertEqual(ou.logger.get_increment_counts(), {
            'unlinks': 1,
            'successes': 1
        })
Exemple #8
0
 def check_bad(conf):
     with self.assertRaises(ValueError):
         object_updater.ObjectUpdater(conf, logger=self.logger)
Exemple #9
0
    def test_obj_put_async_update_redirection_loop(self):
        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(self.ts_iter)
        self._write_async_update(dfmanager, ts_obj, policies[0])
        orig_async_path, orig_async_data = self._check_async_file(async_dir)

        # run once
        ts_redirect = next(self.ts_iter)

        resp_headers_1 = {
            'Location': '/.shards_a/c_shard_1/o',
            'X-Backend-Redirect-Timestamp': ts_redirect.internal
        }
        resp_headers_2 = {
            'Location': '/.shards_a/c_shard_2/o',
            'X-Backend-Redirect-Timestamp': ts_redirect.internal
        }
        fake_responses = (
            # 1st round of redirects, 2nd round of redirects
            [(301, resp_headers_1)] * 3 + [(301, resp_headers_2)] * 3)
        fake_status_codes, fake_headers = zip(*fake_responses)
        with mocked_http_conn(*fake_status_codes,
                              headers=fake_headers) as conn:
            with mock.patch('swift.obj.updater.dump_recon_cache'):
                daemon.run_once()
        self._check_update_requests(conn.requests[:3], ts_obj, policies[0])
        self._check_update_requests(conn.requests[3:], ts_obj, policies[0])
        # only *one* set of redirected requests is attempted per cycle
        root_part = daemon.container_ring.get_part('a/c')
        shard_1_part = daemon.container_ring.get_part('.shards_a/c_shard_1')
        shard_2_part = daemon.container_ring.get_part('.shards_a/c_shard_2')
        shard_3_part = daemon.container_ring.get_part('.shards_a/c_shard_3')
        self.assertEqual(['/sda1/%s/a/c/o' % root_part] * 3 +
                         ['/sda1/%s/.shards_a/c_shard_1/o' % shard_1_part] * 3,
                         [req['path'] for req in conn.requests])
        self.assertEqual({
            'redirects': 2,
            'async_pendings': 1
        }, daemon.logger.get_increment_counts())
        # update failed, we still have pending file with most recent redirect
        # response Location header value added to data
        async_path, async_data = self._check_async_file(async_dir)
        self.assertEqual(orig_async_path, async_path)
        self.assertEqual(
            dict(orig_async_data,
                 container_path='.shards_a/c_shard_2',
                 redirect_history=[
                     '.shards_a/c_shard_1', '.shards_a/c_shard_2'
                 ]), async_data)

        # next cycle, more redirects! first is to previously visited location
        resp_headers_3 = {
            'Location': '/.shards_a/c_shard_3/o',
            'X-Backend-Redirect-Timestamp': ts_redirect.internal
        }
        fake_responses = (
            # 1st round of redirects, 2nd round of redirects
            [(301, resp_headers_1)] * 3 + [(301, resp_headers_3)] * 3)
        fake_status_codes, fake_headers = zip(*fake_responses)
        with mocked_http_conn(*fake_status_codes,
                              headers=fake_headers) as conn:
            with mock.patch('swift.obj.updater.dump_recon_cache'):
                daemon.run_once()
        self._check_update_requests(conn.requests[:3], ts_obj, policies[0])
        self._check_update_requests(conn.requests[3:], ts_obj, policies[0])
        # first try the previously persisted container path, response to that
        # creates a loop so ignore and send to root
        self.assertEqual(
            ['/sda1/%s/.shards_a/c_shard_2/o' % shard_2_part] * 3 +
            ['/sda1/%s/a/c/o' % root_part] * 3,
            [req['path'] for req in conn.requests])
        self.assertEqual({
            'redirects': 4,
            'async_pendings': 1
        }, daemon.logger.get_increment_counts())
        # update failed, we still have pending file with most recent redirect
        # response Location header value from root added to persisted data
        async_path, async_data = self._check_async_file(async_dir)
        self.assertEqual(orig_async_path, async_path)
        # note: redirect_history was reset when falling back to root
        self.assertEqual(
            dict(orig_async_data,
                 container_path='.shards_a/c_shard_3',
                 redirect_history=['.shards_a/c_shard_3']), async_data)

        # next cycle, more redirects! first is to a location visited previously
        # but not since last fall back to root, so that location IS tried;
        # second is to a location visited since last fall back to root so that
        # location is NOT tried
        fake_responses = (
            # 1st round of redirects, 2nd round of redirects
            [(301, resp_headers_1)] * 3 + [(301, resp_headers_3)] * 3)
        fake_status_codes, fake_headers = zip(*fake_responses)
        with mocked_http_conn(*fake_status_codes,
                              headers=fake_headers) as conn:
            with mock.patch('swift.obj.updater.dump_recon_cache'):
                daemon.run_once()
        self._check_update_requests(conn.requests, ts_obj, policies[0])
        self.assertEqual(
            ['/sda1/%s/.shards_a/c_shard_3/o' % shard_3_part] * 3 +
            ['/sda1/%s/.shards_a/c_shard_1/o' % shard_1_part] * 3,
            [req['path'] for req in conn.requests])
        self.assertEqual({
            'redirects': 6,
            'async_pendings': 1
        }, daemon.logger.get_increment_counts())
        # update failed, we still have pending file, but container_path is None
        # because most recent redirect location was a repeat
        async_path, async_data = self._check_async_file(async_dir)
        self.assertEqual(orig_async_path, async_path)
        self.assertEqual(
            dict(orig_async_data, container_path=None, redirect_history=[]),
            async_data)

        # next cycle, persisted container path is None so update should go to
        # root, this time it succeeds
        fake_responses = [(200, {})] * 3
        fake_status_codes, fake_headers = zip(*fake_responses)
        with mocked_http_conn(*fake_status_codes,
                              headers=fake_headers) as conn:
            with mock.patch('swift.obj.updater.dump_recon_cache'):
                daemon.run_once()
        self._check_update_requests(conn.requests, ts_obj, policies[0])
        self.assertEqual(['/sda1/%s/a/c/o' % root_part] * 3,
                         [req['path'] for req in conn.requests])
        self.assertEqual(
            {
                'redirects': 6,
                'successes': 1,
                'unlinks': 1,
                'async_pendings': 1
            }, daemon.logger.get_increment_counts())
        self.assertFalse(os.listdir(async_dir))  # no async file
Exemple #10
0
    def test_obj_put_async_updates(self):
        ts = (normalize_timestamp(t) for t in itertools.count(int(time())))
        policy = random.choice(list(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(policy))
        os.mkdir(async_dir)

        # write an async
        dfmanager = DiskFileManager(conf, daemon.logger)
        account, container, obj = 'a', 'c', 'o'
        op = 'PUT'
        headers_out = swob.HeaderKeyDict({
            'x-size':
            0,
            'x-content-type':
            'text/plain',
            'x-etag':
            'd41d8cd98f00b204e9800998ecf8427e',
            'x-timestamp':
            next(ts),
            'X-Backend-Storage-Policy-Index':
            int(policy),
        })
        data = {
            'op': op,
            'account': account,
            'container': container,
            'obj': obj,
            'headers': headers_out
        }
        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,  # 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.assertEqual(headers['X-Backend-Storage-Policy-Index'],
                             str(int(policy)))
        self.assertEqual(daemon.logger.get_increment_counts(), {
            'successes': 1,
            'unlinks': 1,
            'async_pendings': 1
        })
Exemple #11
0
    def test_run_once(self, mock_ismount):
        mock_ismount.return_value = True
        cu = object_updater.ObjectUpdater(
            {
                'devices': self.devices_dir,
                'mount_check': 'false',
                'swift_dir': self.testdir,
                'interval': '1',
                'concurrency': '1',
                'node_timeout': '15'
            },
            logger=self.logger)
        cu.run_once()
        async_dir = os.path.join(self.sda1, get_async_dir(POLICIES[0]))
        os.mkdir(async_dir)
        cu.run_once()
        self.assertTrue(os.path.exists(async_dir))
        # mount_check == False means no call to ismount
        self.assertEqual([], mock_ismount.mock_calls)

        cu = object_updater.ObjectUpdater(
            {
                'devices': self.devices_dir,
                'mount_check': 'TrUe',
                'swift_dir': self.testdir,
                'interval': '1',
                'concurrency': '1',
                'node_timeout': '15'
            },
            logger=self.logger)
        odd_dir = os.path.join(async_dir, 'not really supposed ' 'to be here')
        os.mkdir(odd_dir)
        cu.run_once()
        self.assertTrue(os.path.exists(async_dir))
        self.assertTrue(not os.path.exists(odd_dir))
        # mount_check == True means ismount was checked
        self.assertEqual([
            mock.call(self.sda1),
        ], mock_ismount.mock_calls)

        ohash = hash_path('a', 'c', 'o')
        odir = os.path.join(async_dir, ohash[-3:])
        mkdirs(odir)
        older_op_path = os.path.join(
            odir, '%s-%s' % (ohash, normalize_timestamp(time() - 1)))
        op_path = os.path.join(odir,
                               '%s-%s' % (ohash, normalize_timestamp(time())))
        for path in (op_path, older_op_path):
            with open(path, 'wb') as async_pending:
                pickle.dump(
                    {
                        'op': 'PUT',
                        'account': 'a',
                        'container': 'c',
                        'obj': 'o',
                        'headers': {
                            'X-Container-Timestamp': normalize_timestamp(0)
                        }
                    }, async_pending)
        cu.run_once()
        self.assertTrue(not os.path.exists(older_op_path))
        self.assertTrue(os.path.exists(op_path))
        self.assertEqual(cu.logger.get_increment_counts(), {
            'failures': 1,
            'unlinks': 1
        })
        self.assertIsNone(pickle.load(open(op_path)).get('successes'))

        bindsock = listen(('127.0.0.1', 0))

        def accepter(sock, return_code):
            try:
                with Timeout(3):
                    inc = sock.makefile('rb')
                    out = sock.makefile('wb')
                    out.write('HTTP/1.1 %d OK\r\nContent-Length: 0\r\n\r\n' %
                              return_code)
                    out.flush()
                    self.assertEqual(inc.readline(),
                                     'PUT /sda1/0/a/c/o HTTP/1.1\r\n')
                    headers = swob.HeaderKeyDict()
                    line = inc.readline()
                    while line and line != '\r\n':
                        headers[line.split(':')[0]] = \
                            line.split(':')[1].strip()
                        line = inc.readline()
                    self.assertTrue('x-container-timestamp' in headers)
                    self.assertTrue(
                        'X-Backend-Storage-Policy-Index' in headers)
            except BaseException as err:
                return err
            return None

        def accept(return_codes):
            codes = iter(return_codes)
            try:
                events = []
                for x in range(len(return_codes)):
                    with Timeout(3):
                        sock, addr = bindsock.accept()
                        events.append(spawn(accepter, sock, next(codes)))
                for event in events:
                    err = event.wait()
                    if err:
                        raise err
            except BaseException as err:
                return err
            return None

        event = spawn(accept, [201, 500, 500])
        for dev in cu.get_container_ring().devs:
            if dev is not None:
                dev['port'] = bindsock.getsockname()[1]

        cu.logger._clear()
        cu.run_once()
        err = event.wait()
        if err:
            raise err
        self.assertTrue(os.path.exists(op_path))
        self.assertEqual(cu.logger.get_increment_counts(), {'failures': 1})
        self.assertEqual([0], pickle.load(open(op_path)).get('successes'))

        event = spawn(accept, [404, 500])
        cu.logger._clear()
        cu.run_once()
        err = event.wait()
        if err:
            raise err
        self.assertTrue(os.path.exists(op_path))
        self.assertEqual(cu.logger.get_increment_counts(), {'failures': 1})
        self.assertEqual([0, 1], pickle.load(open(op_path)).get('successes'))

        event = spawn(accept, [201])
        cu.logger._clear()
        cu.run_once()
        err = event.wait()
        if err:
            raise err
        self.assertTrue(not os.path.exists(op_path))
        self.assertEqual(cu.logger.get_increment_counts(), {
            'unlinks': 1,
            'successes': 1
        })
Exemple #12
0
    def test_run_once(self):
        cu = object_updater.ObjectUpdater({
            'devices': self.devices_dir,
            'mount_check': 'false',
            'swift_dir': self.testdir,
            'interval': '1',
            'concurrency': '1',
            'node_timeout': '15'
        })
        cu.run_once()
        async_dir = os.path.join(self.sda1, object_server.ASYNCDIR)
        os.mkdir(async_dir)
        cu.run_once()
        self.assert_(os.path.exists(async_dir))

        odd_dir = os.path.join(async_dir, 'not really supposed to be here')
        os.mkdir(odd_dir)
        cu.run_once()
        self.assert_(os.path.exists(async_dir))
        self.assert_(not os.path.exists(odd_dir))

        ohash = hash_path('a', 'c', 'o')
        odir = os.path.join(async_dir, ohash[-3:])
        mkdirs(odir)
        older_op_path = os.path.join(
            odir, '%s-%s' % (ohash, normalize_timestamp(time() - 1)))
        op_path = os.path.join(odir,
                               '%s-%s' % (ohash, normalize_timestamp(time())))
        for path in (op_path, older_op_path):
            with open(path, 'wb') as async_pending:
                pickle.dump(
                    {
                        'op': 'PUT',
                        'account': 'a',
                        'container': 'c',
                        'obj': 'o',
                        'headers': {
                            'X-Container-Timestamp': normalize_timestamp(0)
                        }
                    }, async_pending)
        cu.logger = FakeLogger()
        cu.run_once()
        self.assert_(not os.path.exists(older_op_path))
        self.assert_(os.path.exists(op_path))
        self.assertEqual(cu.logger.get_increment_counts(), {
            'failures': 1,
            'unlinks': 1
        })

        bindsock = listen(('127.0.0.1', 0))

        def accepter(sock, return_code):
            try:
                with Timeout(3):
                    inc = sock.makefile('rb')
                    out = sock.makefile('wb')
                    out.write('HTTP/1.1 %d OK\r\nContent-Length: 0\r\n\r\n' %
                              return_code)
                    out.flush()
                    self.assertEquals(inc.readline(),
                                      'PUT /sda1/0/a/c/o HTTP/1.1\r\n')
                    headers = {}
                    line = inc.readline()
                    while line and line != '\r\n':
                        headers[line.split(':')[0].lower()] = \
                            line.split(':')[1].strip()
                        line = inc.readline()
                    self.assert_('x-container-timestamp' in headers)
            except BaseException, err:
                return err
            return None