问从消息中心的主题中检索消息

EN

from confluent_kafka import Producer, KafkaError, Consumer

consumer_settings = {
'bootstrap.servers': 'broker-url-here',
'group.id': 'mygroup',
'default.topic.config': {'auto.offset.reset': 'smallest'},
'sasl.mechanisms': 'PLAIN',
'security.protocol': 'ssl',
'sasl.username': 'username-here',
'sasl.password': 'password-here',
}

c = Consumer(**consumer_settings)
c.subscribe(['topic-here'])

running = True

while running:
    msg = c.poll()
    if msg.error():
        print("Error while retrieving message")
        c.close()
        sys.exit(10)
    elif (msg is not None):
        for x in msg:
            print(x)
    else:
        sys.exit(10)