Beispiel #1
0
 def test_database_filter(self):
   start_position = _get_master_current_position()
   master_tablet.mquery('other_database', _create_vt_insert_test)
   self._exec_vt_txn(self._populate_vt_insert_test)
   logging.debug('test_database_filter: starting @ %s', start_position)
   master_conn = self._get_vtgate_stream_conn()
   for event, _ in master_conn.update_stream(
       'test_keyspace', topodata_pb2.MASTER,
       event=query_pb2.EventToken(shard='0', position=start_position),
       shard='0'):
     for statement in event.statements:
       self.assertNotEqual(statement.category, 2,  # query_pb2.StreamEvent.DDL
                           "query using other_database wasn't filtered out")
     break
   master_conn.close()
Beispiel #2
0
    def test_update_stream_interrupt(self):
        """Checks that a running query is terminated on going non-serving."""
        # Make sure the replica is replica type.
        utils.run_vtctl(
            ['ChangeSlaveType', replica_tablet.tablet_alias, 'replica'])
        logging.debug('sleeping a bit for the replica action to complete')
        utils.wait_for_tablet_type(replica_tablet.tablet_alias, 'replica', 30)

        # Save current position, insert some data.
        start_position = _get_repl_current_position()
        logging.debug('test_update_stream_interrupt starting @ %s',
                      start_position)
        self._exec_vt_txn(self._populate_vt_a(1))
        self._exec_vt_txn(['delete from vt_a'])

        # Start an Update Stream from the slave. When we get the data, go to spare.
        # That should interrupt the streaming RPC.
        replica_conn = self._get_vtgate_stream_conn()
        first = True
        txn_count = 0
        try:
            for event, resume_timestamp in replica_conn.update_stream(
                    'test_keyspace',
                    topodata_pb2.REPLICA,
                    event=query_pb2.EventToken(shard='0',
                                               position=start_position),
                    shard='0'):
                logging.debug('test_update_stream_interrupt got event(%d): %s',
                              resume_timestamp, event)
                if first:
                    utils.run_vtctl([
                        'ChangeSlaveType', replica_tablet.tablet_alias, 'spare'
                    ])
                    utils.wait_for_tablet_type(replica_tablet.tablet_alias,
                                               'spare', 30)
                    first = False
                else:
                    if event.event_token.position:
                        txn_count += 1

            self.assertFail('update_stream terminated with no exception')
        except dbexceptions.DatabaseError as e:
            self.assertIn('context canceled', str(e))
        self.assertFalse(first)

        logging.debug('Streamed %d transactions before exiting', txn_count)
        replica_conn.close()
Beispiel #3
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 def test_ddl(self):
   """Asks for all statements since we started, find the DDL."""
   start_position = master_start_position
   logging.debug('test_ddl: starting @ %s', start_position)
   master_conn = self._get_vtgate_stream_conn()
   found = False
   for event, _ in master_conn.update_stream(
       'test_keyspace', topodata_pb2.MASTER,
       event=query_pb2.EventToken(shard='0', position=start_position),
       shard='0'):
     for statement in event.statements:
       if statement.sql == _create_vt_insert_test:
         found = True
         break
     break
   master_conn.close()
   self.assertTrue(found, "didn't get right sql")
Beispiel #4
0
  def test_service_switch(self):
    """tests the service switch from disable -> enable -> disable."""
    # make the replica spare
    utils.run_vtctl(['ChangeSlaveType', replica_tablet.tablet_alias, 'spare'])
    utils.wait_for_tablet_type(replica_tablet.tablet_alias, 'spare')

    # Check UpdateStreamState is disabled.
    v = utils.get_vars(replica_tablet.port)
    if v['UpdateStreamState'] != 'Disabled':
      self.fail("Update stream service should be 'Disabled' but is '%s'" %
                v['UpdateStreamState'])

    start_position = _get_repl_current_position()

    # Make sure we can't start a new request to vttablet directly.
    _, stderr = utils.run_vtctl(['VtTabletUpdateStream',
                                 '-position', start_position,
                                 replica_tablet.tablet_alias],
                                expect_fail=True)
    self.assertIn('operation not allowed in state NOT_SERVING', stderr)

    # Make sure we can't start a new request through vtgate.
    replica_conn = self._get_vtgate_stream_conn()
    try:
      for event, resume_timestamp in replica_conn.update_stream(
          'test_keyspace', topodata_pb2.REPLICA,
          event=query_pb2.EventToken(shard='0', position=start_position),
          shard='0'):
        self.assertFail('got event(%d): %s' % (resume_timestamp, str(event)))
      self.assertFail('update_stream terminated with no exception')
    except dbexceptions.DatabaseError as e:
      self.assertIn(vtgate_gateway_flavor().no_tablet_found_message(), str(e))

    # Go back to replica.
    utils.run_vtctl(
        ['ChangeSlaveType', replica_tablet.tablet_alias, 'replica'])
    utils.wait_for_tablet_type(replica_tablet.tablet_alias, 'replica')

    # Check UpdateStreamState is enabled.
    v = utils.get_vars(replica_tablet.port)
    if v['UpdateStreamState'] != 'Enabled':
      self.fail("Update stream service should be 'Enabled' but is '%s'" %
                v['UpdateStreamState'])
Beispiel #5
0
 def test_set_insert_id(self):
   start_position = _get_master_current_position()
   self._exec_vt_txn(
       ['SET INSERT_ID=1000000'] + self._populate_vt_insert_test)
   logging.debug('test_set_insert_id: starting @ %s', start_position)
   master_conn = self._get_vtgate_stream_conn()
   expected_id = 1000000
   for event, _ in master_conn.update_stream(
       'test_keyspace', topodata_pb2.MASTER,
       event=query_pb2.EventToken(shard='0', position=start_position),
       shard='0'):
     for statement in event.statements:
       fields, rows = proto3_encoding.convert_stream_event_statement(statement)
       self.assertEqual(fields[0], 'id')
       self.assertEqual(rows[0][0], expected_id)
       expected_id += 1
     break
   if expected_id != 1000004:
     self.fail('did not get my four values!')
   master_conn.close()
Beispiel #6
0
    def test_stream_parity(self):
        """Tests parity of streams between master and replica for the same writes.

    Also tests transactions are retrieved properly.
    """

        timeout = 30
        while True:
            master_position = _get_master_current_position()
            replica_position = _get_repl_current_position()
            if master_position == replica_position:
                break
            timeout = utils.wait_step(
                '%s == %s' % (master_position, replica_position), timeout)
        logging.debug('run_test_stream_parity starting @ %s', master_position)
        self._exec_vt_txn(self._populate_vt_a(15))
        self._exec_vt_txn(self._populate_vt_b(14))
        self._exec_vt_txn(['delete from vt_a'])
        self._exec_vt_txn(['delete from vt_b'])

        # get master events
        master_conn = self._get_vtgate_stream_conn()
        master_events = []
        for event, resume_timestamp in master_conn.update_stream(
                'test_keyspace',
                topodata_pb2.MASTER,
                event=query_pb2.EventToken(shard='0',
                                           position=master_position),
                shard='0'):
            logging.debug('Got master event(%d): %s', resume_timestamp, event)
            master_events.append(event)
            if len(master_events) == 4:
                break
        master_conn.close()

        # get replica events
        replica_conn = self._get_vtgate_stream_conn()
        replica_events = []
        for event, resume_timestamp in replica_conn.update_stream(
                'test_keyspace',
                topodata_pb2.REPLICA,
                event=query_pb2.EventToken(shard='0',
                                           position=replica_position),
                shard='0'):
            logging.debug('Got slave event(%d): %s', resume_timestamp, event)
            replica_events.append(event)
            if len(replica_events) == 4:
                break
        replica_conn.close()

        # and compare
        if len(master_events) != len(replica_events):
            logging.debug(
                'Test Failed - # of records mismatch, master %s replica %s',
                master_events, replica_events)
        for master_event, replica_event in zip(master_events, replica_events):
            # The timestamp is from when the event was written to the binlogs.
            # the master uses the timestamp of when it wrote it originally,
            # the slave of when it applied the logs. These can differ and make this
            # test flaky. So we just blank them out, easier. We really want to
            # compare the replication positions.
            master_event.event_token.timestamp = 123
            replica_event.event_token.timestamp = 123
            self.assertEqual(
                master_event, replica_event,
                "Test failed, data mismatch - master '%s' and replica '%s'" %
                (master_event, replica_event))
        logging.debug('Test Writes: PASS')
    def test_event_token_fresher(self):
        """event_token.fresher test suite."""
        test_cases = [
            {
                'ev1': None,
                'ev2': None,
                'expected': -1,
            },
            {
                'ev1': query_pb2.EventToken(timestamp=123, ),
                'ev2': None,
                'expected': -1,
            },
            {
                'ev1': None,
                'ev2': query_pb2.EventToken(timestamp=123, ),
                'expected': -1,
            },
            {
                'ev1': query_pb2.EventToken(timestamp=123, ),
                'ev2': query_pb2.EventToken(timestamp=123, ),
                'expected': -1,
            },
            {
                'ev1': query_pb2.EventToken(timestamp=200, ),
                'ev2': query_pb2.EventToken(timestamp=100, ),
                'expected': 100,
            },
            {
                'ev1': query_pb2.EventToken(timestamp=100, ),
                'ev2': query_pb2.EventToken(timestamp=200, ),
                'expected': -100,
            },
            {
                # Test cases with not enough information to compare.
                'ev1': query_pb2.EventToken(timestamp=100, ),
                'ev2': query_pb2.EventToken(timestamp=100, ),
                'expected': -1,
            },
            {
                'ev1': query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                ),
                'ev2': query_pb2.EventToken(
                    timestamp=100,
                    shard='s2',
                ),
                'expected': -1,
            },
            {
                'ev1': query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                ),
                'ev2': query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                ),
                'expected': -1,
            },
            {
                'ev1':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position='pos1',
                ),
                'ev2':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                ),
                'expected':
                -1,
            },
            {
                'ev1':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                ),
                'ev2':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position='pos2',
                ),
                'expected':
                -1,
            },
            {
                'ev1':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position='pos1',  # invalid on purpose
                ),
                'ev2':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position='pos2',  # invalid on purpose
                ),
                'expected':
                -1,
            },
            {
                'ev1':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position='MariaDB/0-1-123',  # valid but different
                ),
                'ev2':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position=
                    'MySQL56/33333333-3333-3333-3333-333333333333:456-789',
                ),
                'expected':
                -1,
            },
            {
                # MariaDB test cases.
                'ev1':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position='MariaDB/0-1-200',
                ),
                'ev2':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position='MariaDB/0-1-100',
                ),
                'expected':
                100,
            },
            {
                'ev1':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position='MariaDB/0-1-100',
                ),
                'ev2':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position='MariaDB/0-1-200',
                ),
                'expected':
                -100,
            },
            {
                'ev1':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position='MariaDB/0-1-100',
                ),
                'ev2':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position='MariaDB/0-1-100',
                ),
                'expected':
                0,
            },
            {
                # MySQL56 test cases, not supported yet.
                'ev1':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position=
                    'MySQL56/33333333-3333-3333-3333-333333333333:1-200',
                ),
                'ev2':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position=
                    'MySQL56/33333333-3333-3333-3333-333333333333:1-100',
                ),
                'expected':
                -1,  # Should be: 1,
            },
            {
                'ev1':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position=
                    'MySQL56/33333333-3333-3333-3333-333333333333:1-100',
                ),
                'ev2':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position=
                    'MySQL56/33333333-3333-3333-3333-333333333333:1-200',
                ),
                'expected':
                -1,
            },
            {
                'ev1':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position=
                    'MySQL56/33333333-3333-3333-3333-333333333333:1-100',
                ),
                'ev2':
                query_pb2.EventToken(
                    timestamp=100,
                    shard='s1',
                    position=
                    'MySQL56/33333333-3333-3333-3333-333333333333:1-100',
                ),
                'expected':
                -1,  # Should be: 0,
            }
        ]

        for tcase in test_cases:
            got = event_token.fresher(tcase['ev1'], tcase['ev2'])
            self.assertEqual(
                got, tcase['expected'],
                'got %d but expected %d for Fresher(%s, %s)' %
                (got, tcase['expected'], tcase['ev1'], tcase['ev2']))
class TestEcho(TestPythonClientBase):
    """Send queries to the server, check the returned result matches."""

    echo_prefix = 'echo://'

    query = (
        u'test query with bind variables: :int :float :bytes, unicode: '
        u'\u6211\u80fd\u541e\u4e0b\u73bb\u7483\u800c\u4e0d\u50b7\u8eab\u9ad4'
    ).encode('utf-8')
    query_echo = (
        u'test query with bind variables: :int :float :bytes, unicode: '
        u'\u6211\u80fd\u541e\u4e0b\u73bb\u7483\u800c\u4e0d\u50b7\u8eab\u9ad4'
    ).encode('utf-8')
    keyspace = 'test_keyspace'

    shards = ['-80', '80-']
    shards_echo = '[-80 80-]'

    keyspace_ids = ['\x01\x02\x03\x04', '\x05\x06\x07\x08']
    keyspace_ids_echo = '[[1 2 3 4] [5 6 7 8]]'

    # FIXME(alainjobart) using a map for the entities makes it impossible to
    # guarantee the order of the entities in the query. It is really an API
    # problem here? For this test, however, I'll just use a single value for now
    entity_keyspace_ids = {
        123: '\x01\x02\x03',
        #      2.0: '\x04\x05\x06',
        #      '\x01\x02\x03': '\x07\x08\x09',
    }
    #  entity_keyspace_ids_echo = ('[type:INT64 value:"123" '
    #                              'keyspace_id:"\\001\\002\\003"  '
    #                              'type:FLOAT64 value:"2" '
    #                              'keyspace_id:"\\004\\005\\006"  '
    #                              'type:VARBINARY value:"\\001\\002\\003" '
    #                              'keyspace_id:"\\007\\010\\t" ]')
    entity_keyspace_ids_echo = ('[type:INT64 value:"123" '
                                'keyspace_id:"\\001\\002\\003" ]')

    key_ranges = [keyrange.KeyRange('01020304-05060708')]
    key_ranges_echo = '[start:"\\001\\002\\003\\004" end:"\\005\\006\\007\\010" ]'

    tablet_type = 'replica'
    tablet_type_echo = 'REPLICA'

    bind_variables = {
        'int': 123,
        'float': 2.1,
        'bytes': '\x01\x02\x03',
        'bool': True,
    }
    bind_variables_echo = ('map[bool:type:INT64 value:"1"  '
                           'bytes:type:VARBINARY value:"\\001\\002\\003"  '
                           'float:type:FLOAT64 value:"2.1"  '
                           'int:type:INT64 value:"123" ]')

    caller_id = vtgate_client.CallerID(principal='test_principal',
                                       component='test_component',
                                       subcomponent='test_subcomponent')
    caller_id_echo = ('principal:"test_principal" component:"test_component"'
                      ' subcomponent:"test_subcomponent" ')

    event_token = query_pb2.EventToken(timestamp=123,
                                       shard=shards[0],
                                       position='test_pos')
    options_echo = ('include_event_token:true compare_event_token:'
                    '<timestamp:123 shard:"-80" position:"test_pos" > ')

    session_echo = ('autocommit:true target_string:"@replica" '
                    'options:<include_event_token:'
                    'true compare_event_token:<timestamp:123 shard:'
                    '"-80" position:"test_pos" > > ')

    def test_echo_execute(self):
        """This test calls the echo method."""

        # Execute
        cursor = self.conn.cursor(tablet_type=self.tablet_type, keyspace=None)
        cursor.set_effective_caller_id(self.caller_id)
        cursor.execute(self.echo_prefix + self.query,
                       self.bind_variables,
                       include_event_token=True,
                       compare_event_token=self.event_token)
        self._check_echo(
            cursor,
            {
                'callerId': self.caller_id_echo,
                # FIXME(alainjobart) change this to query_echo once v3 understand binds
                'query': self.echo_prefix + self.query,
                'bindVars': self.bind_variables_echo,
                'session': self.session_echo,
            })
        cursor.close()

        # ExecuteShards
        cursor = self.conn.cursor(tablet_type=self.tablet_type,
                                  keyspace=self.keyspace,
                                  shards=self.shards)
        cursor.set_effective_caller_id(self.caller_id)
        cursor.execute(self.echo_prefix + self.query,
                       self.bind_variables,
                       include_event_token=True,
                       compare_event_token=self.event_token)
        self._check_echo(
            cursor, {
                'callerId': self.caller_id_echo,
                'query': self.echo_prefix + self.query_echo,
                'keyspace': self.keyspace,
                'shards': self.shards_echo,
                'bindVars': self.bind_variables_echo,
                'tabletType': self.tablet_type_echo,
                'options': self.options_echo,
                'fresher': True,
                'eventToken': self.event_token,
            })
        cursor.close()

        # ExecuteKeyspaceIds
        cursor = self.conn.cursor(tablet_type=self.tablet_type,
                                  keyspace=self.keyspace,
                                  keyspace_ids=self.keyspace_ids)
        cursor.set_effective_caller_id(self.caller_id)
        cursor.execute(self.echo_prefix + self.query,
                       self.bind_variables,
                       include_event_token=True,
                       compare_event_token=self.event_token)
        self._check_echo(
            cursor, {
                'callerId': self.caller_id_echo,
                'query': self.echo_prefix + self.query_echo,
                'keyspace': self.keyspace,
                'keyspaceIds': self.keyspace_ids_echo,
                'bindVars': self.bind_variables_echo,
                'tabletType': self.tablet_type_echo,
                'options': self.options_echo,
                'fresher': True,
                'eventToken': self.event_token,
            })
        cursor.close()

        # ExecuteKeyRanges
        cursor = self.conn.cursor(tablet_type=self.tablet_type,
                                  keyspace=self.keyspace,
                                  keyranges=self.key_ranges)
        cursor.set_effective_caller_id(self.caller_id)
        cursor.execute(self.echo_prefix + self.query,
                       self.bind_variables,
                       include_event_token=True,
                       compare_event_token=self.event_token)
        self._check_echo(
            cursor, {
                'callerId': self.caller_id_echo,
                'query': self.echo_prefix + self.query_echo,
                'keyspace': self.keyspace,
                'keyRanges': self.key_ranges_echo,
                'bindVars': self.bind_variables_echo,
                'tabletType': self.tablet_type_echo,
            })
        cursor.close()

        # ExecuteEntityIds
        cursor = self.conn.cursor(tablet_type=self.tablet_type,
                                  keyspace=self.keyspace)
        cursor.set_effective_caller_id(self.caller_id)
        cursor.execute(self.echo_prefix + self.query,
                       self.bind_variables,
                       entity_keyspace_id_map=self.entity_keyspace_ids,
                       entity_column_name='column1',
                       include_event_token=True,
                       compare_event_token=self.event_token)
        self._check_echo(
            cursor, {
                'callerId': self.caller_id_echo,
                'query': self.echo_prefix + self.query_echo,
                'keyspace': self.keyspace,
                'entityColumnName': 'column1',
                'entityIds': self.entity_keyspace_ids_echo,
                'bindVars': self.bind_variables_echo,
                'tabletType': self.tablet_type_echo,
                'options': self.options_echo,
                'fresher': True,
                'eventToken': self.event_token,
            })
        cursor.close()

        # ExecuteBatchShards
        cursor = self.conn.cursor(tablet_type=self.tablet_type,
                                  keyspace=None,
                                  as_transaction=True)
        cursor.set_effective_caller_id(self.caller_id)
        cursor.executemany(sql=None,
                           params_list=[
                               dict(sql=self.echo_prefix + self.query,
                                    bind_variables=self.bind_variables,
                                    keyspace=self.keyspace,
                                    shards=self.shards)
                           ])
        self._check_echo(
            cursor, {
                'callerId': self.caller_id_echo,
                'query': self.echo_prefix + self.query_echo,
                'keyspace': self.keyspace,
                'shards': self.shards_echo,
                'bindVars': self.bind_variables_echo,
                'tabletType': self.tablet_type_echo,
                'asTransaction': 'true',
            })
        cursor.close()

        # ExecuteBatchKeyspaceIds
        cursor = self.conn.cursor(tablet_type=self.tablet_type,
                                  keyspace=None,
                                  as_transaction=True)
        cursor.set_effective_caller_id(self.caller_id)
        cursor.executemany(sql=None,
                           params_list=[
                               dict(sql=self.echo_prefix + self.query,
                                    bind_variables=self.bind_variables,
                                    keyspace=self.keyspace,
                                    keyspace_ids=self.keyspace_ids)
                           ])
        self._check_echo(
            cursor, {
                'callerId': self.caller_id_echo,
                'query': self.echo_prefix + self.query_echo,
                'keyspace': self.keyspace,
                'keyspaceIds': self.keyspace_ids_echo,
                'bindVars': self.bind_variables_echo,
                'tabletType': self.tablet_type_echo,
                'asTransaction': 'true',
            })
        cursor.close()

    def _get_echo(self, cursor):
        result = {}
        data = cursor.fetchall()
        for i, (n, _) in enumerate(cursor.description):
            result[n] = data[0][i]
        return result

    def _check_echo(self, cursor, values):
        """_check_echo makes sure the echo result is correct."""
        got = self._get_echo(cursor)
        for k, v in values.iteritems():
            if k == 'fresher':
                self.assertTrue(self.conn.fresher)
            elif k == 'eventToken':
                self.assertEqual(
                    text_format.MessageToString(self.conn.event_token),
                    text_format.MessageToString(v))
            else:
                self.assertEqual(
                    got[k], v, 'item %s is different in result: got %s'
                    ' expected %s' % (k, got[k], v))

        # Check NULL and empty string.
        self.assertEqual(got['null'], None)
        self.assertEqual(got['emptyString'], '')