MaxScale/server/modules/protocol/examples/cdc_kafka_producer.py
2020-11-16 14:23:26 +02:00

50 lines
1.4 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright (c) 2016 MariaDB Corporation Ab
#
# Use of this software is governed by the Business Source License included
# in the LICENSE.TXT file and at www.mariadb.com/bsl11.
#
# Change Date: 2024-11-16
#
# On the date above, in accordance with the Business Source License, use
# of this software will be governed by version 2 or later of the General
# Public License.
# This program requires the kafka-python package which you can install with:
#
# pip install kafka-python
#
import sys
import argparse
from kafka import KafkaProducer
parser = argparse.ArgumentParser(description = "Publish JSON data read from standard input to a Kafka broker")
parser.add_argument("-K", "--kafka-broker", dest="kafka_broker",
help="Kafka broker in host:port format",
default=None, required=True)
parser.add_argument("-T", "--kafka-topic", dest="kafka_topic",
help="Kafka topic where the data is published",
default=None, required=True)
opts = parser.parse_args(sys.argv[1:])
producer = KafkaProducer(bootstrap_servers=[opts.kafka_broker])
sys.stdin = sys.stdin.detach()
while True:
try:
buf = sys.stdin.readline()
if len(buf) == 0:
break
data = buf[:-1]
producer.send(topic=opts.kafka_topic, value=data)
producer.flush()
# All other errors should interrupt the processing
except Exception as ex:
print(ex)
break