def supports_headers(self) -> bool:
"""Return :const:`True` if message headers are supported."""
producer = self._ensure_producer()
client = producer.client
if client is None:
raise NotReady('Producer client not yet connected')
return client.api_version >= (0, 11)
async def _get_controller_node(self,
owner: Service,
client: aiokafka.AIOKafkaClient,
timeout: int = 30000) -> Optional[int]:
nodes = [broker.nodeId for broker in client.cluster.brokers()]
for node_id in nodes:
if node_id is None:
raise NotReady('Not connected to Kafka Broker')
request = MetadataRequest_v1([])
wait_result = await owner.wait(
client.send(node_id, request),
timeout=timeout,
)
if wait_result.stopped:
owner.log.info(f'Shutting down - skipping creation.')
return None
response = wait_result.result
return response.controller_id
raise Exception(f'Controller node not found')
def _ensure_producer(self) -> aiokafka.BaseProducer:
if self._producer is None:
raise NotReady('Producer service not yet started')
return self._producer
def supports_headers(self) -> bool:
producer = self._ensure_producer()
client = producer.client
if client is None:
raise NotReady('Producer client not yet connected')
return client.api_version >= (0, 11)