Ejemplo n.º 1
0
    def test_manual_subscribe_pattern(self):
        msgs1 = yield from self.send_messages(0, range(0, 10))
        msgs2 = yield from self.send_messages(1, range(10, 20))
        available_msgs = msgs1 + msgs2

        consumer = AIOKafkaConsumer(loop=self.loop,
                                    group_id='test-group',
                                    bootstrap_servers=self.hosts,
                                    auto_offset_reset='earliest',
                                    enable_auto_commit=False)
        consumer.subscribe(pattern="topic-test_manual_subs*")
        yield from consumer.start()
        yield from consumer.seek_to_committed()
        result = []
        for i in range(20):
            msg = yield from consumer.getone()
            result.append(msg.value)
        self.assertEqual(set(available_msgs), set(result))

        yield from consumer.commit(
            {TopicPartition(self.topic, 0): OffsetAndMetadata(9, '')})
        yield from consumer.seek_to_committed(TopicPartition(self.topic, 0))
        msg = yield from consumer.getone(TopicPartition(self.topic, 0))
        self.assertEqual(msg.value, b'9')
        yield from consumer.commit(
            {TopicPartition(self.topic, 0): OffsetAndMetadata(10, '')})
        yield from consumer.stop()

        # subscribe by topic
        consumer = AIOKafkaConsumer(loop=self.loop,
                                    group_id='test-group',
                                    bootstrap_servers=self.hosts,
                                    auto_offset_reset='earliest',
                                    enable_auto_commit=False)
        consumer.subscribe(topics=(self.topic, ))
        yield from consumer.start()
        yield from consumer.seek_to_committed()
        result = []
        for i in range(10):
            msg = yield from consumer.getone()
            result.append(msg.value)
        self.assertEqual(set(msgs2), set(result))
        self.assertEqual(consumer.subscription(), set([self.topic]))
        yield from consumer.stop()
Ejemplo n.º 2
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    def test_unknown_topic_or_partition(self):
        consumer = AIOKafkaConsumer(
            loop=self.loop, group_id=None,
            bootstrap_servers=self.hosts, auto_offset_reset='earliest',
            enable_auto_commit=False)
        yield from consumer.start()

        with self.assertRaises(UnknownTopicOrPartitionError):
            yield from consumer.assign([TopicPartition(self.topic, 2222)])
        yield from consumer.stop()
Ejemplo n.º 3
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 def test_consumer_group_without_subscription(self):
     consumer = AIOKafkaConsumer(loop=self.loop,
                                 group_id='group-{}'.format(self.id()),
                                 bootstrap_servers=self.hosts,
                                 enable_auto_commit=False,
                                 auto_offset_reset='earliest',
                                 heartbeat_interval_ms=100)
     yield from consumer.start()
     yield from asyncio.sleep(0.2, loop=self.loop)
     yield from consumer.stop()
Ejemplo n.º 4
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    def test_manual_subscribe_pattern(self):
        msgs1 = yield from self.send_messages(0, range(0, 10))
        msgs2 = yield from self.send_messages(1, range(10, 20))
        available_msgs = msgs1 + msgs2

        consumer = AIOKafkaConsumer(
            loop=self.loop, group_id='test-group',
            bootstrap_servers=self.hosts, auto_offset_reset='earliest',
            enable_auto_commit=False)
        consumer.subscribe(pattern="topic-test_manual_subs*")
        yield from consumer.start()
        yield from consumer.seek_to_committed()
        result = []
        for i in range(20):
            msg = yield from consumer.getone()
            result.append(msg.value)
        self.assertEqual(set(available_msgs), set(result))

        yield from consumer.commit(
            {TopicPartition(self.topic, 0): OffsetAndMetadata(9, '')})
        yield from consumer.seek_to_committed(TopicPartition(self.topic, 0))
        msg = yield from consumer.getone()
        self.assertEqual(msg.value, b'9')
        yield from consumer.commit(
            {TopicPartition(self.topic, 0): OffsetAndMetadata(10, '')})
        yield from consumer.stop()

        # subscribe by topic
        consumer = AIOKafkaConsumer(
            loop=self.loop, group_id='test-group',
            bootstrap_servers=self.hosts, auto_offset_reset='earliest',
            enable_auto_commit=False)
        consumer.subscribe(topics=(self.topic,))
        yield from consumer.start()
        yield from consumer.seek_to_committed()
        result = []
        for i in range(10):
            msg = yield from consumer.getone()
            result.append(msg.value)
        self.assertEqual(set(msgs2), set(result))
        self.assertEqual(consumer.subscription(), set([self.topic]))
        yield from consumer.stop()
Ejemplo n.º 5
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    def test_consumer_stop_cancels_pending_position_fetches(self):
        consumer = AIOKafkaConsumer(self.topic,
                                    loop=self.loop,
                                    bootstrap_servers=self.hosts,
                                    group_id='group-%s' % self.id())
        yield from consumer.start()
        self.add_cleanup(consumer.stop)

        self.assertTrue(consumer._pending_position_fetches)
        pending_task = list(consumer._pending_position_fetches)[0]
        yield from consumer.stop()
        self.assertTrue(pending_task.cancelled())
Ejemplo n.º 6
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    def test_manual_subscribe_nogroup(self):
        msgs1 = yield from self.send_messages(0, range(0, 10))
        msgs2 = yield from self.send_messages(1, range(10, 20))
        available_msgs = msgs1 + msgs2

        consumer = AIOKafkaConsumer(
            loop=self.loop, group_id=None,
            bootstrap_servers=self.hosts, auto_offset_reset='earliest',
            enable_auto_commit=False)
        consumer.subscribe(topics=(self.topic,))
        yield from consumer.start()
        result = []
        for i in range(20):
            msg = yield from consumer.getone()
            result.append(msg.value)
        self.assertEqual(set(available_msgs), set(result))
        yield from consumer.stop()
Ejemplo n.º 7
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    def test_manual_subscribe_nogroup(self):
        msgs1 = yield from self.send_messages(0, range(0, 10))
        msgs2 = yield from self.send_messages(1, range(10, 20))
        available_msgs = msgs1 + msgs2

        consumer = AIOKafkaConsumer(
            loop=self.loop, group_id=None,
            bootstrap_servers=self.hosts, auto_offset_reset='earliest',
            enable_auto_commit=False)
        consumer.subscribe(topics=(self.topic,))
        yield from consumer.start()
        result = []
        for i in range(20):
            msg = yield from consumer.getone()
            result.append(msg.value)
        self.assertEqual(set(available_msgs), set(result))
        yield from consumer.stop()
Ejemplo n.º 8
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    def test_consumer_wait_topic(self):
        topic = "some-test-topic-for-autocreate"
        consumer = AIOKafkaConsumer(
            topic, loop=self.loop, bootstrap_servers=self.hosts)
        yield from consumer.start()
        consume_task = self.loop.create_task(consumer.getone())
        # just to be sure getone does not fail (before produce)
        yield from asyncio.sleep(0.5, loop=self.loop)
        self.assertFalse(consume_task.done())

        producer = AIOKafkaProducer(
            loop=self.loop, bootstrap_servers=self.hosts)
        yield from producer.start()
        yield from producer.send(topic, b'test msg')
        yield from producer.stop()

        data = yield from consume_task
        self.assertEqual(data.value, b'test msg')
        yield from consumer.stop()
Ejemplo n.º 9
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    def test_ssl_consume(self):
        # Produce by PLAINTEXT, Consume by SSL
        # Send 3 messages
        yield from self.send_messages(0, [1, 2, 3])

        context = self.create_ssl_context()
        group = "group-{}".format(self.id())
        consumer = AIOKafkaConsumer(
            self.topic, loop=self.loop, group_id=group,
            bootstrap_servers=[
                "{}:{}".format(self.kafka_host, self.kafka_ssl_port)],
            enable_auto_commit=True,
            auto_offset_reset="earliest",
            security_protocol="SSL", ssl_context=context)
        yield from consumer.start()
        results = yield from consumer.getmany(timeout_ms=1000)
        [msgs] = results.values()  # only 1 partition anyway
        msgs = [msg.value for msg in msgs]
        self.assertEqual(msgs, [b"1", b"2", b"3"])
        yield from consumer.stop()
Ejemplo n.º 10
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    def test_producer_ssl(self):
        # Produce by SSL consume by PLAINTEXT
        topic = "test_ssl_produce"
        context = self.create_ssl_context()
        producer = AIOKafkaProducer(
            loop=self.loop,
            bootstrap_servers=[
                "{}:{}".format(self.kafka_host, self.kafka_ssl_port)],
            security_protocol="SSL", ssl_context=context)
        yield from producer.start()
        yield from producer.send_and_wait(topic=topic, value=b"Super msg")
        yield from producer.stop()

        consumer = AIOKafkaConsumer(
            topic, loop=self.loop,
            bootstrap_servers=self.hosts,
            enable_auto_commit=True,
            auto_offset_reset="earliest")
        yield from consumer.start()
        msg = yield from consumer.getone()
        self.assertEqual(msg.value, b"Super msg")
        yield from consumer.stop()
Ejemplo n.º 11
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    def test_producer_ssl(self):
        # Produce by SSL consume by PLAINTEXT
        topic = "test_ssl_produce"
        context = self.create_ssl_context()
        producer = AIOKafkaProducer(
            loop=self.loop,
            bootstrap_servers=[
                "{}:{}".format(self.kafka_host, self.kafka_ssl_port)],
            security_protocol="SSL", ssl_context=context)
        yield from producer.start()
        yield from producer.send_and_wait(topic=topic, value=b"Super msg")
        yield from producer.stop()

        consumer = AIOKafkaConsumer(
            topic, loop=self.loop,
            bootstrap_servers=self.hosts,
            enable_auto_commit=True,
            auto_offset_reset="earliest")
        yield from consumer.start()
        msg = yield from consumer.getone()
        self.assertEqual(msg.value, b"Super msg")
        yield from consumer.stop()
Ejemplo n.º 12
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    def test_exclude_internal_topics(self):
        # Create random topic
        my_topic = "some_noninternal_topic"
        client = AIOKafkaClient(
            loop=self.loop, bootstrap_servers=self.hosts,
            client_id="test_autocreate")
        yield from client.bootstrap()
        yield from client._wait_on_metadata(my_topic)
        yield from client.close()

        # Check if only it will be subscribed
        pattern = "^.*$"
        consumer = AIOKafkaConsumer(
            loop=self.loop, bootstrap_servers=self.hosts,
            metadata_max_age_ms=200, group_id="some_group_1",
            auto_offset_reset="earliest",
            exclude_internal_topics=False)
        consumer.subscribe(pattern=pattern)
        yield from consumer.start()
        self.assertIn("__consumer_offsets", consumer.subscription())
        yield from consumer._client.force_metadata_update()
        self.assertIn("__consumer_offsets", consumer.subscription())
        yield from consumer.stop()
Ejemplo n.º 13
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    def test_consumer_rebalance_on_new_topic(self):
        # Test will create a consumer group and check if adding new topic
        # will trigger a group rebalance and assign partitions
        pattern = "^another-autocreate-pattern-.*$"
        client = AIOKafkaClient(
            loop=self.loop, bootstrap_servers=self.hosts,
            client_id="test_autocreate")
        yield from client.bootstrap()
        listener1 = StubRebalanceListener(loop=self.loop)
        listener2 = StubRebalanceListener(loop=self.loop)
        consumer1 = AIOKafkaConsumer(
            loop=self.loop, bootstrap_servers=self.hosts,
            metadata_max_age_ms=200, group_id="test-autocreate-rebalance",
            heartbeat_interval_ms=100)
        consumer1.subscribe(pattern=pattern, listener=listener1)
        yield from consumer1.start()
        consumer2 = AIOKafkaConsumer(
            loop=self.loop, bootstrap_servers=self.hosts,
            metadata_max_age_ms=200, group_id="test-autocreate-rebalance",
            heartbeat_interval_ms=100)
        consumer2.subscribe(pattern=pattern, listener=listener2)
        yield from consumer2.start()
        yield from asyncio.sleep(0.5, loop=self.loop)
        # bootstrap will take care of the initial group assignment
        self.assertEqual(consumer1.assignment(), set())
        self.assertEqual(consumer2.assignment(), set())
        listener1.reset()
        listener2.reset()

        # Lets force autocreation of a topic
        my_topic = "another-autocreate-pattern-1"
        yield from client._wait_on_metadata(my_topic)

        # Wait for group to stabilize
        assign1 = yield from listener1.wait_assign()
        assign2 = yield from listener2.wait_assign()
        # We expect 2 partitons for autocreated topics
        my_partitions = set([
            TopicPartition(my_topic, 0), TopicPartition(my_topic, 1)])
        self.assertEqual(assign1 | assign2, my_partitions)
        self.assertEqual(
            consumer1.assignment() | consumer2.assignment(),
            my_partitions)

        # Lets add another topic
        listener1.reset()
        listener2.reset()
        my_topic2 = "another-autocreate-pattern-2"
        yield from client._wait_on_metadata(my_topic2)

        # Wait for group to stabilize
        assign1 = yield from listener1.wait_assign()
        assign2 = yield from listener2.wait_assign()
        # We expect 2 partitons for autocreated topics
        my_partitions = set([
            TopicPartition(my_topic, 0), TopicPartition(my_topic, 1),
            TopicPartition(my_topic2, 0), TopicPartition(my_topic2, 1)])
        self.assertEqual(assign1 | assign2, my_partitions)
        self.assertEqual(
            consumer1.assignment() | consumer2.assignment(),
            my_partitions)

        yield from consumer1.stop()
        yield from consumer2.stop()
        yield from client.close()