Ejemplo n.º 1
0
    def test_failed_sync_group(self):
        client = AIOKafkaClient(loop=self.loop, bootstrap_servers=self.hosts)
        subscription = SubscriptionState("latest")
        subscription.subscribe(topics=("topic1",))
        coordinator = GroupCoordinator(client, subscription, loop=self.loop, heartbeat_interval_ms=20000)

        with self.assertRaises(GroupCoordinatorNotAvailableError):
            yield from coordinator._on_join_follower()

        mocked = mock.MagicMock()
        coordinator._client = mocked

        coordinator.member_id = "some_invalid_member_id"
        coordinator.coordinator_unknown = asyncio.coroutine(lambda: False)
        mocked.send.side_effect = Errors.UnknownMemberIdError()
        with self.assertRaises(Errors.UnknownMemberIdError):
            yield from coordinator._on_join_follower()
            self.assertEqual(coordinator.member_id, JoinGroupRequest.UNKNOWN_MEMBER_ID)

        mocked.send.side_effect = Errors.NotCoordinatorForGroupError()
        coordinator.coordinator_id = "some_id"
        with self.assertRaises(Errors.NotCoordinatorForGroupError):
            yield from coordinator._on_join_follower()
            self.assertEqual(coordinator.coordinator_id, None)

        mocked.send.side_effect = KafkaError()
        with self.assertRaises(KafkaError):
            yield from coordinator._on_join_follower()

        # client sends LeaveGroupRequest to group coordinator
        # if generation > 0 (means that client is a member of group)
        # expecting no exception in this case (error should be ignored in close
        # method)
        coordinator.generation = 33
        yield from coordinator.close()
Ejemplo n.º 2
0
    def test_failed_group_join(self):
        client = AIOKafkaClient(loop=self.loop, bootstrap_servers=self.hosts)
        subscription = SubscriptionState("latest")
        subscription.subscribe(topics=("topic1",))
        coordinator = GroupCoordinator(client, subscription, loop=self.loop, retry_backoff_ms=10)

        yield from client.bootstrap()
        yield from self.wait_topic(client, "topic1")

        mocked = mock.MagicMock()
        coordinator._client = mocked

        # no exception expected, just wait
        mocked.send.side_effect = Errors.GroupLoadInProgressError()
        yield from coordinator._perform_group_join()
        self.assertEqual(coordinator.need_rejoin(), True)

        mocked.send.side_effect = Errors.InvalidGroupIdError()
        yield from coordinator._perform_group_join()
        self.assertEqual(coordinator.need_rejoin(), True)

        # no exception expected, member_id should be reseted
        coordinator.member_id = "some_invalid_member_id"
        mocked.send.side_effect = Errors.UnknownMemberIdError()
        yield from coordinator._perform_group_join()
        self.assertEqual(coordinator.need_rejoin(), True)
        self.assertEqual(coordinator.member_id, JoinGroupRequest.UNKNOWN_MEMBER_ID)

        # no exception expected, coordinator_id should be reseted
        coordinator.coordinator_id = "some_id"
        mocked.send.side_effect = Errors.GroupCoordinatorNotAvailableError()
        yield from coordinator._perform_group_join()
        self.assertEqual(coordinator.need_rejoin(), True)
        self.assertEqual(coordinator.coordinator_id, None)
        yield from client.close()
Ejemplo n.º 3
0
    def test_failed_group_join(self):
        client = AIOKafkaClient(loop=self.loop, bootstrap_servers=self.hosts)
        subscription = SubscriptionState('latest')
        subscription.subscribe(topics=('topic1', ))
        coordinator = GroupCoordinator(client,
                                       subscription,
                                       loop=self.loop,
                                       retry_backoff_ms=10)

        @asyncio.coroutine
        def do_rebalance():
            rebalance = CoordinatorGroupRebalance(
                coordinator,
                coordinator.group_id,
                coordinator.coordinator_id,
                subscription.subscription,
                coordinator._assignors,
                coordinator._session_timeout_ms,
                coordinator._retry_backoff_ms,
                loop=self.loop)
            yield from rebalance.perform_group_join()

        yield from client.bootstrap()
        yield from self.wait_topic(client, 'topic1')

        mocked = mock.MagicMock()
        coordinator._client = mocked

        # no exception expected, just wait
        mocked.send.side_effect = Errors.GroupLoadInProgressError()
        yield from do_rebalance()
        self.assertEqual(coordinator.need_rejoin(), True)

        mocked.send.side_effect = Errors.InvalidGroupIdError()
        with self.assertRaises(Errors.InvalidGroupIdError):
            yield from do_rebalance()
        self.assertEqual(coordinator.need_rejoin(), True)

        # no exception expected, member_id should be reseted
        coordinator.member_id = 'some_invalid_member_id'
        mocked.send.side_effect = Errors.UnknownMemberIdError()
        yield from do_rebalance()
        self.assertEqual(coordinator.need_rejoin(), True)
        self.assertEqual(coordinator.member_id,
                         JoinGroupRequest.UNKNOWN_MEMBER_ID)

        # no exception expected, coordinator_id should be reseted
        coordinator.coordinator_id = 'some_id'
        mocked.send.side_effect = Errors.GroupCoordinatorNotAvailableError()
        yield from do_rebalance()
        self.assertEqual(coordinator.need_rejoin(), True)
        self.assertEqual(coordinator.coordinator_id, None)
        yield from client.close()
Ejemplo n.º 4
0
    def test_failed_sync_group(self):
        client = AIOKafkaClient(loop=self.loop, bootstrap_servers=self.hosts)
        subscription = SubscriptionState('latest')
        subscription.subscribe(topics=('topic1', ))
        coordinator = GroupCoordinator(client,
                                       subscription,
                                       loop=self.loop,
                                       heartbeat_interval_ms=20000)

        @asyncio.coroutine
        def do_sync_group():
            rebalance = CoordinatorGroupRebalance(
                coordinator,
                coordinator.group_id,
                coordinator.coordinator_id,
                subscription.subscription,
                coordinator._assignors,
                coordinator._session_timeout_ms,
                coordinator._retry_backoff_ms,
                loop=self.loop)
            yield from rebalance._on_join_follower()

        with self.assertRaises(GroupCoordinatorNotAvailableError):
            yield from do_sync_group()

        mocked = mock.MagicMock()
        coordinator._client = mocked

        coordinator.member_id = 'some_invalid_member_id'
        coordinator.coordinator_unknown = asyncio.coroutine(lambda: False)
        mocked.send.side_effect = Errors.UnknownMemberIdError()
        with self.assertRaises(Errors.UnknownMemberIdError):
            yield from do_sync_group()
        self.assertEqual(coordinator.member_id,
                         JoinGroupRequest.UNKNOWN_MEMBER_ID)

        mocked.send.side_effect = Errors.NotCoordinatorForGroupError()
        coordinator.coordinator_id = 'some_id'
        with self.assertRaises(Errors.NotCoordinatorForGroupError):
            yield from do_sync_group()
        self.assertEqual(coordinator.coordinator_id, None)

        mocked.send.side_effect = KafkaError()
        with self.assertRaises(KafkaError):
            yield from do_sync_group()

        # client sends LeaveGroupRequest to group coordinator
        # if generation > 0 (means that client is a member of group)
        # expecting no exception in this case (error should be ignored in close
        # method)
        coordinator.generation = 33
        yield from coordinator.close()