ca22e64edd
In kafka 0.9.5 the partition key needs to be a six.binary_type which is a str in Python 2.6 Change-Id: I423694d635521d286bfdafc2172b31f3dca21860
53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
|
|
# implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import kafka.client
|
|
import kafka.producer
|
|
import logging
|
|
import time
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class KafkaProducer(object):
|
|
"""Adds messages to a kafka topic
|
|
"""
|
|
|
|
def __init__(self, url):
|
|
"""Init
|
|
url - kafka connection details
|
|
"""
|
|
self._kafka = kafka.client.KafkaClient(url)
|
|
self._producer = kafka.producer.KeyedProducer(
|
|
self._kafka,
|
|
async=False,
|
|
req_acks=kafka.producer.KeyedProducer.ACK_AFTER_LOCAL_WRITE,
|
|
ack_timeout=2000)
|
|
|
|
def publish(self, topic, messages, key=None):
|
|
"""Takes messages and puts them on the supplied kafka topic
|
|
"""
|
|
|
|
if not isinstance(messages, list):
|
|
messages = [messages]
|
|
|
|
try:
|
|
if key is None:
|
|
key = int(time.time() * 1000)
|
|
self._producer.send_messages(topic, str(key), *messages)
|
|
except Exception:
|
|
log.exception('Error publishing to {} topic.'.format(topic))
|
|
raise
|