def test_find_replace_enable(self): db_file = os.path.join(self.testdir, 'hash.db') broker = ContainerBroker(db_file) broker.account = 'a' broker.container = 'c' broker.initialize() ts = utils.Timestamp.now() broker.merge_items([ {'name': 'obj%02d' % i, 'created_at': ts.internal, 'size': 0, 'content_type': 'application/octet-stream', 'etag': 'not-really', 'deleted': 0, 'storage_policy_index': 0, 'ctype_timestamp': ts.internal, 'meta_timestamp': ts.internal} for i in range(100)]) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): with mock_timestamp_now() as now: main([broker.db_file, 'find_and_replace', '10', '--enable']) expected = [ 'No shard ranges found to delete.', 'Injected 10 shard ranges.', 'Run container-replicator to replicate them to other nodes.', "Container moved to state 'sharding' with epoch %s." % now.internal, 'Run container-sharder on all nodes to shard the container.'] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) self._assert_enabled(broker, now) self.assertEqual( [(data['lower'], data['upper']) for data in self.shard_data], [(sr.lower_str, sr.upper_str) for sr in broker.get_shard_ranges()])
def test_compact_nothing_to_do(self): broker = self._make_broker() shard_ranges = make_shard_ranges(broker, self.shard_data, '.shards_') for i, sr in enumerate(shard_ranges): sr.update_state(ShardRange.ACTIVE) broker.merge_shard_ranges(shard_ranges) self._move_broker_to_sharded_state(broker) out = StringIO() err = StringIO() # all shards are too big to shrink with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([ broker.db_file, 'compact', '--yes', '--shrink-threshold', '5', '--expansion-limit', '8' ]) self.assertEqual(0, ret) out_lines = out.getvalue().split('\n') self.assertEqual(['No shards identified for compaction.'], out_lines[:1]) # all shards could shrink but acceptors would be too large with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([ broker.db_file, 'compact', '--yes', '--shrink-threshold', '11', '--expansion-limit', '12' ]) self.assertEqual(0, ret) out_lines = out.getvalue().split('\n') self.assertEqual(['No shards identified for compaction.'], out_lines[:1])
def test_compact_shrink_threshold(self): # verify option to set the shrink threshold for compaction; broker = self._make_broker() shard_ranges = make_shard_ranges(broker, self.shard_data, '.shards_') for i, sr in enumerate(shard_ranges): sr.update_state(ShardRange.ACTIVE) # (n-2)th shard range has one extra object shard_ranges[-2].object_count = 11 broker.merge_shard_ranges(shard_ranges) self._move_broker_to_sharded_state(broker) # with threshold set to 10 no shard ranges can be shrunk out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([broker.db_file, 'compact', '--yes', '--max-shrinking', '99', '--shrink-threshold', '10']) self.assertEqual(0, ret) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual( ['No shards identified for compaction.'], out_lines[:1]) updated_ranges = broker.get_shard_ranges() self.assertEqual(shard_ranges, updated_ranges) self.assertEqual([ShardRange.ACTIVE] * 10, [sr.state for sr in updated_ranges]) # with threshold == 11 all but the final 2 shard ranges can be shrunk; # note: the (n-1)th shard range is NOT shrunk to root out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([broker.db_file, 'compact', '--yes', '--max-shrinking', '99', '--shrink-threshold', '11']) self.assertEqual(0, ret) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual( ['Updated 1 shard sequences for compaction.'], out_lines[:1]) updated_ranges = broker.get_shard_ranges() shard_ranges[8].lower = shard_ranges[0].lower self.assertEqual(shard_ranges, updated_ranges) self.assertEqual([ShardRange.SHRINKING] * 8 + [ShardRange.ACTIVE] * 2, [sr.state for sr in updated_ranges])
def test_compact_four_donors_two_acceptors(self): small_ranges = (2, 3, 4, 7) broker = self._make_broker() shard_ranges = make_shard_ranges(broker, self.shard_data, '.shards_') for i, sr in enumerate(shard_ranges): if i not in small_ranges: sr.object_count = 100001 sr.update_state(ShardRange.ACTIVE) broker.merge_shard_ranges(shard_ranges) self._move_broker_to_sharded_state(broker) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([broker.db_file, 'compact', '--yes', '--max-shrinking', '99']) self.assertEqual(0, ret) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual( ['Updated 2 shard sequences for compaction.'], out_lines[:1]) updated_ranges = broker.get_shard_ranges() for i, sr in enumerate(updated_ranges): if i in small_ranges: self.assertEqual(ShardRange.SHRINKING, sr.state) else: self.assertEqual(ShardRange.ACTIVE, sr.state) shard_ranges[5].lower = shard_ranges[2].lower shard_ranges[8].lower = shard_ranges[7].lower self.assertEqual(shard_ranges, updated_ranges) for i in (5, 8): # acceptors should have updated timestamp self.assertLess(shard_ranges[i].timestamp, updated_ranges[i].timestamp) # check idempotency with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([broker.db_file, 'compact', '--yes', '--max-shrinking', '99']) self.assertEqual(0, ret) updated_ranges = broker.get_shard_ranges() self.assertEqual(shard_ranges, updated_ranges) for i, sr in enumerate(updated_ranges): if i in small_ranges: self.assertEqual(ShardRange.SHRINKING, sr.state) else: self.assertEqual(ShardRange.ACTIVE, sr.state)
def test_compact_overlapping_shard_ranges(self): # verify that containers with overlaps will not be compacted broker = self._make_broker() shard_ranges = make_shard_ranges(broker, self.shard_data, '.shards_') for i, sr in enumerate(shard_ranges): sr.update_state(ShardRange.ACTIVE) shard_ranges[3].upper = shard_ranges[4].upper broker.merge_shard_ranges(shard_ranges) self._move_broker_to_sharded_state(broker) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([broker.db_file, 'compact', '--yes', '--max-expanding', '10']) self.assertEqual(2, ret) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual( ['WARNING: Container has overlapping shard ranges so cannot be ' 'compacted.'], out_lines[:1]) updated_ranges = broker.get_shard_ranges() self.assertEqual(shard_ranges, updated_ranges) self.assertEqual([ShardRange.ACTIVE] * 10, [sr.state for sr in updated_ranges])
def test_compact_no_gaps(self): # verify that compactible sequences do not include gaps broker = self._make_broker() shard_ranges = make_shard_ranges(broker, self.shard_data, '.shards_') for i, sr in enumerate(shard_ranges): sr.update_state(ShardRange.ACTIVE) gapped_ranges = shard_ranges[:3] + shard_ranges[4:] broker.merge_shard_ranges(gapped_ranges) self._move_broker_to_sharded_state(broker) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([broker.db_file, 'compact', '--yes', '--max-shrinking', '99']) self.assertEqual(0, ret) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual( ['Updated 2 shard sequences for compaction.'], out_lines[:1]) updated_ranges = broker.get_shard_ranges() gapped_ranges[2].lower = gapped_ranges[0].lower gapped_ranges[8].lower = gapped_ranges[3].lower self.assertEqual(gapped_ranges, updated_ranges) self.assertEqual([ShardRange.SHRINKING] * 2 + [ShardRange.ACTIVE] + [ShardRange.SHRINKING] * 5 + [ShardRange.ACTIVE], [sr.state for sr in updated_ranges])
def test_compact_expansion_limit(self): # verify option to limit the size of each acceptor after compaction broker = self._make_broker() shard_ranges = make_shard_ranges(broker, self.shard_data, '.shards_') for i, sr in enumerate(shard_ranges): sr.update_state(ShardRange.ACTIVE) broker.merge_shard_ranges(shard_ranges) self._move_broker_to_sharded_state(broker) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([broker.db_file, 'compact', '--yes', '--expansion-limit', '20']) self.assertEqual(0, ret, out.getvalue()) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual( ['Updated 5 shard sequences for compaction.'], out_lines[:1]) updated_ranges = broker.get_shard_ranges() shard_ranges[1].lower = shard_ranges[0].lower shard_ranges[3].lower = shard_ranges[2].lower shard_ranges[5].lower = shard_ranges[4].lower shard_ranges[7].lower = shard_ranges[6].lower shard_ranges[9].lower = shard_ranges[8].lower self.assertEqual(shard_ranges, updated_ranges) self.assertEqual([ShardRange.SHRINKING] + [ShardRange.ACTIVE] + [ShardRange.SHRINKING] + [ShardRange.ACTIVE] + [ShardRange.SHRINKING] + [ShardRange.ACTIVE] + [ShardRange.SHRINKING] + [ShardRange.ACTIVE] + [ShardRange.SHRINKING] + [ShardRange.ACTIVE], [sr.state for sr in updated_ranges])
def test_compact_all_donors_shrink_to_root(self): # by default all shard ranges are small enough to shrink so the root # becomes the acceptor broker = self._make_broker() shard_ranges = make_shard_ranges(broker, self.shard_data, '.shards_') for i, sr in enumerate(shard_ranges): sr.update_state(ShardRange.ACTIVE) broker.merge_shard_ranges(shard_ranges) epoch = self._move_broker_to_sharded_state(broker) own_sr = broker.get_own_shard_range(no_default=True) self.assertEqual(epoch, own_sr.state_timestamp) # sanity check self.assertEqual(ShardRange.SHARDED, own_sr.state) # sanity check out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main( [broker.db_file, 'compact', '--yes', '--max-shrinking', '99']) self.assertEqual( 0, ret, 'stdout:\n%s\nstderr\n%s' % (out.getvalue(), err.getvalue())) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual(['Updated 1 shard sequences for compaction.'], out_lines[:1]) updated_ranges = broker.get_shard_ranges() self.assertEqual(shard_ranges, updated_ranges) self.assertEqual([ShardRange.SHRINKING] * 10, [sr.state for sr in updated_ranges]) updated_own_sr = broker.get_own_shard_range(no_default=True) self.assertEqual(own_sr.timestamp, updated_own_sr.timestamp) self.assertEqual(own_sr.epoch, updated_own_sr.epoch) self.assertLess(own_sr.state_timestamp, updated_own_sr.state_timestamp) self.assertEqual(ShardRange.ACTIVE, updated_own_sr.state)
def test_compact_bad_args(self): broker = self._make_broker() out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): with self.assertRaises(SystemExit): main([broker.db_file, 'compact', '--shrink-threshold', '0']) with self.assertRaises(SystemExit): main([broker.db_file, 'compact', '--expansion-limit', '0']) with self.assertRaises(SystemExit): main([broker.db_file, 'compact', '--max-shrinking', '0']) with self.assertRaises(SystemExit): main([broker.db_file, 'compact', '--max-expanding', '0'])
def do_compact(expect_msg): out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([broker.db_file, 'compact', '--yes']) self.assertEqual(0, ret) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual([expect_msg], out_lines[:1]) return broker.get_shard_ranges()
def test_replace(self): broker = self._make_broker() broker.update_metadata({'X-Container-Sysmeta-Sharding': (True, Timestamp.now().internal)}) input_file = os.path.join(self.testdir, 'shards') with open(input_file, 'w') as fd: json.dump(self.shard_data, fd) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([broker.db_file, 'replace', input_file]) expected = [ 'No shard ranges found to delete.', 'Injected 10 shard ranges.', 'Run container-replicator to replicate them to other nodes.', 'Use the enable sub-command to enable sharding.'] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) self.assertEqual( [(data['lower'], data['upper']) for data in self.shard_data], [(sr.lower_str, sr.upper_str) for sr in broker.get_shard_ranges()])
def test_replace(self): broker = self._make_broker() broker.update_metadata({'X-Container-Sysmeta-Sharding': (True, Timestamp.now().internal)}) input_file = os.path.join(self.testdir, 'shards') with open(input_file, 'wb') as fd: json.dump(self.shard_data, fd) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([broker.db_file, 'replace', input_file]) expected = [ 'No shard ranges found to delete.', 'Injected 10 shard ranges.', 'Run container-replicator to replicate them to other nodes.', 'Use the enable sub-command to enable sharding.'] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) self.assertEqual( [(data['lower'], data['upper']) for data in self.shard_data], [(sr.lower_str, sr.upper_str) for sr in broker.get_shard_ranges()])
def do_compact(expect_msg): out = StringIO() err = StringIO() # note: max_shrinking is set to 3 so that there is opportunity for # more than 2 acceptors with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([broker.db_file, 'compact', '--yes', '--max-shrinking', '3', '--max-expanding', '2']) self.assertEqual(0, ret) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual([expect_msg], out_lines[:1]) return broker.get_shard_ranges()
def test_enable(self): broker = self._make_broker() broker.update_metadata( {'X-Container-Sysmeta-Sharding': (True, Timestamp.now().internal)}) # no shard ranges out = StringIO() err = StringIO() with self.assertRaises(SystemExit): with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([broker.db_file, 'enable']) expected = [ "WARNING: invalid shard ranges: ['No shard ranges.'].", 'Aborting.' ] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) # success shard_ranges = [] for data in self.shard_data: path = ShardRange.make_path('.shards_a', 'c', 'c', Timestamp.now(), data['index']) shard_ranges.append( ShardRange(path, Timestamp.now(), data['lower'], data['upper'], data['object_count'])) broker.merge_shard_ranges(shard_ranges) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): with mock_timestamp_now() as now: main([broker.db_file, 'enable']) expected = [ "Container moved to state 'sharding' with epoch %s." % now.internal, 'Run container-sharder on all nodes to shard the container.' ] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) self._assert_enabled(broker, now) # already enabled out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([broker.db_file, 'enable']) expected = [ "Container already in state 'sharding' with epoch %s." % now.internal, 'No action required.', 'Run container-sharder on all nodes to shard the container.' ] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) self._assert_enabled(broker, now)
def test_enable(self): broker = self._make_broker() broker.update_metadata({'X-Container-Sysmeta-Sharding': (True, Timestamp.now().internal)}) # no shard ranges out = StringIO() err = StringIO() with self.assertRaises(SystemExit): with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([broker.db_file, 'enable']) expected = ["WARNING: invalid shard ranges: ['No shard ranges.'].", 'Aborting.'] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) # success shard_ranges = [] for data in self.shard_data: path = ShardRange.make_path( '.shards_a', 'c', 'c', Timestamp.now(), data['index']) shard_ranges.append( ShardRange(path, Timestamp.now(), data['lower'], data['upper'], data['object_count'])) broker.merge_shard_ranges(shard_ranges) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): with mock_timestamp_now() as now: main([broker.db_file, 'enable']) expected = [ "Container moved to state 'sharding' with epoch %s." % now.internal, 'Run container-sharder on all nodes to shard the container.'] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) self._assert_enabled(broker, now) # already enabled out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([broker.db_file, 'enable']) expected = [ "Container already in state 'sharding' with epoch %s." % now.internal, 'No action required.', 'Run container-sharder on all nodes to shard the container.'] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) self._assert_enabled(broker, now)
def test_compact_shard_ranges_in_found_state(self): broker = self._make_broker() shard_ranges = make_shard_ranges(broker, self.shard_data, '.shards_') broker.merge_shard_ranges(shard_ranges) self._move_broker_to_sharded_state(broker) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([broker.db_file, 'compact']) self.assertEqual(0, ret) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual(['No shards identified for compaction.'], out_lines[:1]) updated_ranges = broker.get_shard_ranges() self.assertEqual([ShardRange.FOUND] * 10, [sr.state for sr in updated_ranges])
def test_compact_donors_but_no_suitable_acceptor(self): # if shard ranges are already shrinking, check that the final one is # not made into an acceptor if a suitable adjacent acceptor is not # found (unexpected scenario but possible in an overlap situation) broker = self._make_broker() shard_ranges = make_shard_ranges(broker, self.shard_data, '.shards_') for i, state in enumerate([ShardRange.SHRINKING] * 3 + [ShardRange.SHARDING] + [ShardRange.ACTIVE] * 6): shard_ranges[i].update_state(state) broker.merge_shard_ranges(shard_ranges) epoch = self._move_broker_to_sharded_state(broker) with mock_timestamp_now(epoch): own_sr = broker.get_own_shard_range(no_default=True) self.assertEqual(epoch, own_sr.state_timestamp) # sanity check self.assertEqual(ShardRange.SHARDED, own_sr.state) # sanity check out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main( [broker.db_file, 'compact', '--yes', '--max-shrinking', '99']) self.assertEqual( 0, ret, 'stdout:\n%s\nstderr\n%s' % (out.getvalue(), err.getvalue())) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual(['Updated 1 shard sequences for compaction.'], out_lines[:1]) updated_ranges = broker.get_shard_ranges() shard_ranges[9].lower = shard_ranges[4].lower # expanded acceptor self.assertEqual(shard_ranges, updated_ranges) self.assertEqual( [ShardRange.SHRINKING] * 3 + # unchanged [ShardRange.SHARDING] + # unchanged [ShardRange.SHRINKING] * 5 + # moved to shrinking [ShardRange.ACTIVE], # unchanged [sr.state for sr in updated_ranges]) with mock_timestamp_now(epoch): # force equal meta-timestamp updated_own_sr = broker.get_own_shard_range(no_default=True) self.assertEqual(dict(own_sr), dict(updated_own_sr))
def test_compact_expansion_limit_less_than_shrink_threshold(self): broker = self._make_broker() shard_ranges = make_shard_ranges(broker, self.shard_data, '.shards_') for i, sr in enumerate(shard_ranges): if i % 2: sr.object_count = 25 else: sr.object_count = 3 sr.update_state(ShardRange.ACTIVE) broker.merge_shard_ranges(shard_ranges) self._move_broker_to_sharded_state(broker) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([ broker.db_file, 'compact', '--yes', '--shrink-threshold', '10', '--expansion-limit', '5' ]) self.assertEqual(0, ret) out_lines = out.getvalue().split('\n') self.assertEqual(['No shards identified for compaction.'], out_lines[:1])
def test_compact_not_sharded(self): broker = self._make_broker() shard_ranges = make_shard_ranges(broker, self.shard_data, '.shards_') broker.merge_shard_ranges(shard_ranges) # make broker appear to be a root container but it isn't sharded out = StringIO() err = StringIO() broker.set_sharding_sysmeta('Quoted-Root', 'a/c') self.assertTrue(broker.is_root_container()) with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): ret = main([broker.db_file, 'compact']) self.assertEqual(2, ret) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertEqual( ['WARNING: Container is not yet sharded so cannot be compacted.'], out_lines[:1]) updated_ranges = broker.get_shard_ranges() self.assertEqual(shard_ranges, updated_ranges) self.assertEqual([ShardRange.FOUND] * 10, [sr.state for sr in updated_ranges])
def do_compact(user_input): out = StringIO() err = StringIO() with mock.patch('sys.stdout', out),\ mock.patch('sys.stderr', err), \ mock.patch('swift.cli.manage_shard_ranges.input', return_value=user_input): ret = main([broker.db_file, 'compact', '--max-shrinking', '99']) self.assertEqual(0, ret) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') out_lines = out.getvalue().split('\n') self.assertIn('total of 20 objects', out_lines[0]) self.assertIn('objects: 10', out_lines[1]) self.assertIn('state: active', out_lines[2]) self.assertIn('objects: 10', out_lines[3]) self.assertIn('state: active', out_lines[4]) self.assertIn('can be compacted into', out_lines[5]) self.assertIn('objects: 10', out_lines[6]) self.assertIn('state: active', out_lines[7]) broker_ranges = broker.get_shard_ranges() return broker_ranges
def test_info(self): broker = self._make_broker() broker.update_metadata( {'X-Container-Sysmeta-Sharding': (True, Timestamp.now().internal)}) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([broker.db_file, 'info']) expected = [ 'Sharding enabled = True', 'Own shard range: None', 'db_state = unsharded', 'Metadata:', ' X-Container-Sysmeta-Sharding = True' ] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) retiring_db_id = broker.get_info()['id'] broker.merge_shard_ranges(ShardRange('.shards/cc', Timestamp.now())) epoch = Timestamp.now() with mock_timestamp_now(epoch) as now: broker.enable_sharding(epoch) self.assertTrue(broker.set_sharding_state()) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): with mock_timestamp_now(now): main([broker.db_file, 'info']) expected = [ 'Sharding enabled = True', 'Own shard range: {', ' "bytes_used": 0, ', ' "deleted": 0, ', ' "epoch": "%s", ' % epoch.internal, ' "lower": "", ', ' "meta_timestamp": "%s", ' % now.internal, ' "name": "a/c", ', ' "object_count": 0, ', ' "state": "sharding", ', ' "state_timestamp": "%s", ' % now.internal, ' "timestamp": "%s", ' % now.internal, ' "upper": ""', '}', 'db_state = sharding', 'Retiring db id: %s' % retiring_db_id, 'Cleaving context: {', ' "cleave_to_row": null, ', ' "cleaving_done": false, ', ' "cursor": "", ', ' "last_cleave_to_row": null, ', ' "max_row": -1, ', ' "misplaced_done": false, ', ' "ranges_done": 0, ', ' "ranges_todo": 0, ', ' "ref": "%s"' % retiring_db_id, '}', 'Metadata:', ' X-Container-Sysmeta-Sharding = True' ] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) self.assertTrue(broker.set_sharded_state()) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): with mock_timestamp_now(now): main([broker.db_file, 'info']) expected = [ 'Sharding enabled = True', 'Own shard range: {', ' "bytes_used": 0, ', ' "deleted": 0, ', ' "epoch": "%s", ' % epoch.internal, ' "lower": "", ', ' "meta_timestamp": "%s", ' % now.internal, ' "name": "a/c", ', ' "object_count": 0, ', ' "state": "sharding", ', ' "state_timestamp": "%s", ' % now.internal, ' "timestamp": "%s", ' % now.internal, ' "upper": ""', '}', 'db_state = sharded', 'Metadata:', ' X-Container-Sysmeta-Sharding = True' ] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines())
def test_find_shard_ranges(self): db_file = os.path.join(self.testdir, 'hash.db') broker = ContainerBroker(db_file) broker.account = 'a' broker.container = 'c' broker.initialize() ts = utils.Timestamp.now() broker.merge_items([{ 'name': 'obj%02d' % i, 'created_at': ts.internal, 'size': 0, 'content_type': 'application/octet-stream', 'etag': 'not-really', 'deleted': 0, 'storage_policy_index': 0, 'ctype_timestamp': ts.internal, 'meta_timestamp': ts.internal } for i in range(100)]) # Default uses a large enough value that sharding isn't required out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([db_file, 'find']) self.assert_formatted_json(out.getvalue(), []) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') self.assert_starts_with(err_lines[1], 'Found 0 ranges in ') out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([db_file, 'find', '100']) self.assert_formatted_json(out.getvalue(), []) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') self.assert_starts_with(err_lines[1], 'Found 0 ranges in ') out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([db_file, 'find', '99']) self.assert_formatted_json(out.getvalue(), [ { 'index': 0, 'lower': '', 'upper': 'obj98', 'object_count': 99 }, { 'index': 1, 'lower': 'obj98', 'upper': '', 'object_count': 1 }, ]) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') self.assert_starts_with(err_lines[1], 'Found 2 ranges in ') out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([db_file, 'find', '10']) self.assert_formatted_json(out.getvalue(), [ { 'index': 0, 'lower': '', 'upper': 'obj09', 'object_count': 10 }, { 'index': 1, 'lower': 'obj09', 'upper': 'obj19', 'object_count': 10 }, { 'index': 2, 'lower': 'obj19', 'upper': 'obj29', 'object_count': 10 }, { 'index': 3, 'lower': 'obj29', 'upper': 'obj39', 'object_count': 10 }, { 'index': 4, 'lower': 'obj39', 'upper': 'obj49', 'object_count': 10 }, { 'index': 5, 'lower': 'obj49', 'upper': 'obj59', 'object_count': 10 }, { 'index': 6, 'lower': 'obj59', 'upper': 'obj69', 'object_count': 10 }, { 'index': 7, 'lower': 'obj69', 'upper': 'obj79', 'object_count': 10 }, { 'index': 8, 'lower': 'obj79', 'upper': 'obj89', 'object_count': 10 }, { 'index': 9, 'lower': 'obj89', 'upper': '', 'object_count': 10 }, ]) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') self.assert_starts_with(err_lines[1], 'Found 10 ranges in ')
def test_info(self): broker = self._make_broker() broker.update_metadata({'X-Container-Sysmeta-Sharding': (True, Timestamp.now().internal)}) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([broker.db_file, 'info']) expected = ['Sharding enabled = True', 'Own shard range: None', 'db_state = unsharded', 'Metadata:', ' X-Container-Sysmeta-Sharding = True'] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) retiring_db_id = broker.get_info()['id'] broker.merge_shard_ranges(ShardRange('.shards/cc', Timestamp.now())) epoch = Timestamp.now() with mock_timestamp_now(epoch) as now: broker.enable_sharding(epoch) self.assertTrue(broker.set_sharding_state()) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): with mock_timestamp_now(now): main([broker.db_file, 'info']) expected = ['Sharding enabled = True', 'Own shard range: {', ' "bytes_used": 0, ', ' "deleted": 0, ', ' "epoch": "%s", ' % epoch.internal, ' "lower": "", ', ' "meta_timestamp": "%s", ' % now.internal, ' "name": "a/c", ', ' "object_count": 0, ', ' "state": "sharding", ', ' "state_timestamp": "%s", ' % now.internal, ' "timestamp": "%s", ' % now.internal, ' "upper": ""', '}', 'db_state = sharding', 'Retiring db id: %s' % retiring_db_id, 'Cleaving context: {', ' "cleave_to_row": null, ', ' "cleaving_done": false, ', ' "cursor": "", ', ' "last_cleave_to_row": null, ', ' "max_row": -1, ', ' "misplaced_done": false, ', ' "ranges_done": 0, ', ' "ranges_todo": 0, ', ' "ref": "%s"' % retiring_db_id, '}', 'Metadata:', ' X-Container-Sysmeta-Sharding = True'] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines()) self.assertTrue(broker.set_sharded_state()) out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): with mock_timestamp_now(now): main([broker.db_file, 'info']) expected = ['Sharding enabled = True', 'Own shard range: {', ' "bytes_used": 0, ', ' "deleted": 0, ', ' "epoch": "%s", ' % epoch.internal, ' "lower": "", ', ' "meta_timestamp": "%s", ' % now.internal, ' "name": "a/c", ', ' "object_count": 0, ', ' "state": "sharding", ', ' "state_timestamp": "%s", ' % now.internal, ' "timestamp": "%s", ' % now.internal, ' "upper": ""', '}', 'db_state = sharded', 'Metadata:', ' X-Container-Sysmeta-Sharding = True'] self.assertEqual(expected, out.getvalue().splitlines()) self.assertEqual(['Loaded db broker for a/c.'], err.getvalue().splitlines())
def test_find_shard_ranges(self): db_file = os.path.join(self.testdir, 'hash.db') broker = ContainerBroker(db_file) broker.account = 'a' broker.container = 'c' broker.initialize() ts = utils.Timestamp.now() broker.merge_items([ {'name': 'obj%02d' % i, 'created_at': ts.internal, 'size': 0, 'content_type': 'application/octet-stream', 'etag': 'not-really', 'deleted': 0, 'storage_policy_index': 0, 'ctype_timestamp': ts.internal, 'meta_timestamp': ts.internal} for i in range(100)]) # Default uses a large enough value that sharding isn't required out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([db_file, 'find']) self.assert_formatted_json(out.getvalue(), []) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') self.assert_starts_with(err_lines[1], 'Found 0 ranges in ') out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([db_file, 'find', '100']) self.assert_formatted_json(out.getvalue(), []) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') self.assert_starts_with(err_lines[1], 'Found 0 ranges in ') out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([db_file, 'find', '99']) self.assert_formatted_json(out.getvalue(), [ {'index': 0, 'lower': '', 'upper': 'obj98', 'object_count': 99}, {'index': 1, 'lower': 'obj98', 'upper': '', 'object_count': 1}, ]) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') self.assert_starts_with(err_lines[1], 'Found 2 ranges in ') out = StringIO() err = StringIO() with mock.patch('sys.stdout', out), mock.patch('sys.stderr', err): main([db_file, 'find', '10']) self.assert_formatted_json(out.getvalue(), [ {'index': 0, 'lower': '', 'upper': 'obj09', 'object_count': 10}, {'index': 1, 'lower': 'obj09', 'upper': 'obj19', 'object_count': 10}, {'index': 2, 'lower': 'obj19', 'upper': 'obj29', 'object_count': 10}, {'index': 3, 'lower': 'obj29', 'upper': 'obj39', 'object_count': 10}, {'index': 4, 'lower': 'obj39', 'upper': 'obj49', 'object_count': 10}, {'index': 5, 'lower': 'obj49', 'upper': 'obj59', 'object_count': 10}, {'index': 6, 'lower': 'obj59', 'upper': 'obj69', 'object_count': 10}, {'index': 7, 'lower': 'obj69', 'upper': 'obj79', 'object_count': 10}, {'index': 8, 'lower': 'obj79', 'upper': 'obj89', 'object_count': 10}, {'index': 9, 'lower': 'obj89', 'upper': '', 'object_count': 10}, ]) err_lines = err.getvalue().split('\n') self.assert_starts_with(err_lines[0], 'Loaded db broker for ') self.assert_starts_with(err_lines[1], 'Found 10 ranges in ')