def test_integration_broker_connect(ensure_broker_service: Fixture,
ensure_connect_service: Fixture) -> None:
"""Test kafkaconnect with a Kafka broker and Kafka Connect.
pytest-docker uses the docker-compose.yaml in the test directory.
"""
broker_url = Config.broker_url
admin_client = AdminClient({"bootstrap.servers": broker_url})
t1 = NewTopic(topic="test.t1", num_partitions=1)
t2 = NewTopic(topic="test.t2", num_partitions=1)
t3 = NewTopic(topic="test.t3", num_partitions=1)
# Create test topics in Kafka
try:
admin_client.create_topics([t1, t2, t3])
time.sleep(1)
except KafkaException:
return None
# Test topic discovery
topic = Topic(broker_url=broker_url,
topic_regex="test.*",
excluded_topics="test.t1")
assert "test.t2" in topic.names
assert "test.t3" in topic.names
# Configure the connector
connect = Connect(connect_url=Config.connect_url)
connect_config = InfluxConfig()
connect_config.update_topics(topic.names)
# Create the connector using the Kafka Connect API
connect.create_or_update(name="influxdb-sink",
connect_config=connect_config.asjson())
# List connectors from the Kafka Connect API
list = connect.list()
assert "influxdb-sink" in list
def test_create_or_update() -> None:
connect = Connect(connect_url="http://localhost:8083")
connect_config = InfluxConfig()
connect_config.update_topics(["t1", "t2", "t3"])
result = connect.create_or_update(name="influxdb-sink",
connect_config=connect_config.asjson())
assert "influxdb-sink" in result
def test_integration_broker_connect(ensure_broker_service: Fixture,
ensure_connect_service: Fixture) -> None:
"""Test kafkaconnect with a Kafka broker and Kafka Connect.
pytest-docker uses the docker-compose.yaml in the test directory.
"""
admin_client = AdminClient({"bootstrap.servers": BROKER_URL})
t1 = NewTopic(topic="test.t1", num_partitions=1)
t2 = NewTopic(topic="test.t2", num_partitions=1)
t3 = NewTopic(topic="test.t3", num_partitions=1)
# Create test topics in Kafka
try:
admin_client.create_topics([t1, t2, t3])
time.sleep(5)
except KafkaException:
return None
# Test topic discovery
topic = Topic(
broker_url=BROKER_URL,
topic_regex="test.*",
excluded_topic_regex="test.t1",
)
assert "test.t1" not in topic.names
assert "test.t2" in topic.names
assert "test.t3" in topic.names
# Configure the connector
connect = Connect(connect_url=CONNECT_URL)
connect_config = InfluxConfig(
name="influxdb-sink",
connect_influx_url="http://localhost:8086",
connect_influx_db="mydb",
tasks_max=1,
connect_influx_username="******",
connect_influx_password="******",
connect_influx_error_policy="foo",
connect_influx_max_retries="1",
connect_influx_retry_interval="1",
connect_progress_enabled=True,
)
connect_config.update_topics(topic.names)
# Create the connector using the Kafka Connect API
connect.create_or_update(name="influxdb-sink",
connect_config=connect_config.asjson())
# List connectors from the Kafka Connect API
list = connect.list()
assert "influxdb-sink" in list
def test_create_or_update() -> None:
"""Test create_or_update method."""
connect = Connect(connect_url="http://localhost:8083")
connect_config = InfluxConfig(
name="influxdb-sink",
connect_influx_url="http://localhost:8086",
connect_influx_db="mydb",
tasks_max=1,
connect_influx_username="******",
connect_influx_password="******",
connect_influx_error_policy="foo",
connect_influx_max_retries="1",
connect_influx_retry_interval="1",
connect_progress_enabled=True,
)
connect_config.update_topics(["t1", "t2", "t3"])
result = connect.create_or_update(name="influxdb-sink",
connect_config=connect_config.asjson())
assert "influxdb-sink" in result
def create_influxdb_sink(
ctx: click.Context,
topiclist: tuple,
name: str,
connect_influx_url: str,
connect_influx_db: str,
tasks_max: str,
connect_influx_username: str,
connect_influx_password: str,
topic_regex: str,
dry_run: bool,
auto_update: bool,
validate: bool,
check_interval: str,
excluded_topic_regex: str,
connect_influx_error_policy: str,
connect_influx_max_retries: str,
connect_influx_retry_interval: str,
connect_progress_enabled: str,
timestamp: str,
) -> int:
"""Create an instance of the InfluxDB Sink connector.
A list of topics can be specified using the TOPICLIST argument.
If not, topics are discovered from Kafka. Use the ``--topic-regex`` and
``--excluded_topics`` options to help in selecting the topics
that you want to write to InfluxDB. To check for new topics and update
the connector configuration use the
``--auto-update`` and ``--check-interval`` options.
"""
# Get configuration from the main command
if ctx.parent:
config = ctx.parent.obj["config"]
# Connector configuration
influx_config = InfluxConfig(
name=name,
connect_influx_url=connect_influx_url,
connect_influx_db=connect_influx_db,
tasks_max=int(tasks_max),
connect_influx_username=connect_influx_username,
connect_influx_password=connect_influx_password,
connect_influx_error_policy=connect_influx_error_policy,
connect_influx_max_retries=connect_influx_max_retries,
connect_influx_retry_interval=connect_influx_retry_interval,
connect_progress_enabled=(connect_progress_enabled == "true"),
)
# The variadic argument is a tuple
topics: List[str] = list(topiclist)
if not topics:
click.echo("Discoverying Kafka topics...")
topics = Topic(config.broker_url, topic_regex,
excluded_topic_regex).names
n = 0 if not topics else len(topics)
click.echo(f"Found {n} topics.")
connect = Connect(connect_url=config.connect_url)
if topics:
influx_config.update_topics(topics, timestamp)
# --validate option
if validate:
click.echo(
connect.validate(
name=influx_config.connector_class,
connect_config=influx_config.asjson(),
))
return 0
# --dry-run option returns the connector configuration
if dry_run:
click.echo(influx_config.asjson())
return 0
# Validate configuration before creating the connector
validation = connect.validate(
name=influx_config.connector_class,
connect_config=influx_config.asjson(),
)
try:
error_count = json.loads(validation)["error_count"]
click.echo(f"Validation returned {error_count} error(s).")
if error_count > 0:
click.echo(
"Use the ``--validate`` option to return the validation "
"results.")
return 1
except Exception:
click.echo(validation)
return 1
click.echo(f"Uploading {name} connector configuration...")
connect.create_or_update(name=name,
connect_config=influx_config.asjson())
if auto_update:
while True:
time.sleep(int(check_interval) / 1000)
try:
# Current list of topics from Kafka
current_topics = Topic(config.broker_url, topic_regex,
excluded_topic_regex).names
new_topics = list(set(current_topics) - set(topics))
if new_topics:
click.echo("Found new topics, updating the connector...")
influx_config.update_topics(current_topics, timestamp)
connect.create_or_update(
name=name, connect_config=influx_config.asjson())
topics = current_topics
except KeyboardInterrupt:
raise click.ClickException("Interruped.")
return 0
def create_s3_sink(
ctx: click.Context,
topiclist: tuple,
name: str,
s3_bucket_name: str,
s3_region: str,
topics_dir: str,
flush_size: int,
rotate_interval_ms: int,
partition_duration_ms: int,
path_format: str,
tasks_max: int,
topic_regex: str,
dry_run: bool,
auto_update: bool,
validate: bool,
check_interval: int,
excluded_topics: str,
locale: str,
timezone: str,
timestamp_extractor: str,
timestamp_field: str,
) -> int:
"""Create an instance of the S3 Sink connector.
A list of topics can be specified using the TOPICLIST argument.
If not, topics are discovered from Kafka. Use the ``--topic-regex`` and
``--excluded_topics`` options to help in selecting the topics
that you want to write to S3. To check for new topics and update
the connector configuration use the
``--auto-update`` and ``--check-interval`` options.
"""
# Connector configuration
s3config = S3Config(
name=name,
s3_bucket_name=s3_bucket_name,
s3_region=s3_region,
topics_dir=topics_dir,
flush_size=flush_size,
rotate_interval_ms=rotate_interval_ms,
partition_duration_ms=partition_duration_ms,
path_format=path_format,
tasks_max=tasks_max,
locale=locale,
timezone=timezone,
timestamp_extractor=timestamp_extractor,
timestamp_field=timestamp_field,
)
if ctx.parent:
config = ctx.parent.obj["config"]
# The variadic argument is a tuple
topics: List[str] = list(topiclist)
if not topics:
click.echo("Discoverying Kafka topics...")
topics = Topic(config.broker_url, topic_regex, excluded_topics).names
n = 0 if not topics else len(topics)
click.echo(f"Found {n} topics.")
connect = Connect(connect_url=config.connect_url)
if topics:
s3config.update_topics(topics)
# --validate option
if validate:
click.echo(
connect.validate(
name=s3config.connector_class,
connect_config=s3config.asjson(),
))
return 0
# --dry-run option returns the connector configuration
if dry_run:
click.echo(s3config.asjson())
return 0
# Validate configuration before creating the connector
validation = connect.validate(
name=s3config.connector_class,
connect_config=s3config.asjson(),
)
try:
error_count = json.loads(validation)["error_count"]
click.echo(f"Validation returned {error_count} error(s).")
if error_count > 0:
click.echo(
"Use the ``--validate`` option to return the validation "
"results.")
return 0
except Exception:
click.echo(validation)
return 1
click.echo(f"Uploading {name} connector configuration...")
connect.create_or_update(name=name, connect_config=s3config.asjson())
if auto_update:
while True:
time.sleep(int(check_interval) / 1000)
try:
# Current list of topics from Kafka
current_topics = Topic(config.broker_url, topic_regex,
excluded_topics).names
new_topics = list(set(current_topics) - set(topics))
if new_topics:
click.echo("Found new topics, updating the connector...")
s3config.update_topics(current_topics)
connect.create_or_update(name=name,
connect_config=s3config.asjson())
topics = current_topics
except KeyboardInterrupt:
raise click.ClickException("Interruped.")
return 0
