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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2024 Confluent Inc.
#
# 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 os
from confluent_kafka import Consumer
_GROUP_PROTOCOL_ENV = 'TEST_CONSUMER_GROUP_PROTOCOL'
_TRIVUP_CLUSTER_TYPE_ENV = 'TEST_TRIVUP_CLUSTER_TYPE'
def _trivup_cluster_type_kraft():
return _TRIVUP_CLUSTER_TYPE_ENV in os.environ and os.environ[_TRIVUP_CLUSTER_TYPE_ENV] == 'kraft'
class TestUtils:
@staticmethod
def broker_version():
return '4.0.0' if TestUtils.use_group_protocol_consumer() else '3.9.0'
@staticmethod
def broker_conf():
broker_conf = ['transaction.state.log.replication.factor=1',
'transaction.state.log.min.isr=1']
if TestUtils.use_group_protocol_consumer():
broker_conf.append('group.coordinator.rebalance.protocols=classic,consumer')
return broker_conf
@staticmethod
def _broker_major_version():
return int(TestUtils.broker_version().split('.')[0])
@staticmethod
def use_kraft():
return (TestUtils.use_group_protocol_consumer() or
_trivup_cluster_type_kraft())
@staticmethod
def use_group_protocol_consumer():
return _GROUP_PROTOCOL_ENV in os.environ and os.environ[_GROUP_PROTOCOL_ENV] == 'consumer'
@staticmethod
def update_conf_group_protocol(conf=None):
if TestUtils.can_upgrade_group_protocol_to_consumer(conf):
conf['group.protocol'] = 'consumer'
@staticmethod
def can_upgrade_group_protocol_to_consumer(conf):
return (conf is not None and 'group.id' in conf and
'group.protocol' not in conf and TestUtils.use_group_protocol_consumer())
@staticmethod
def remove_forbidden_conf_group_protocol_consumer(conf):
if (conf is None or
not TestUtils.use_group_protocol_consumer() or
conf.get('group.protocol', 'consumer') != 'consumer'):
return
forbidden_conf_properties = ["session.timeout.ms",
"partition.assignment.strategy",
"heartbeat.interval.ms",
"group.protocol.type"]
for prop in forbidden_conf_properties:
if prop in conf:
print(f"Skipping setting forbidden configuration {prop} for `CONSUMER` protocol")
del conf[prop]
class TestConsumer(Consumer):
def __init__(self, conf=None, **kwargs):
TestUtils.update_conf_group_protocol(conf)
TestUtils.remove_forbidden_conf_group_protocol_consumer(conf)
super(TestConsumer, self).__init__(conf, **kwargs)
def assign(self, partitions):
if TestUtils.use_group_protocol_consumer():
super(TestConsumer, self).incremental_assign(partitions)
else:
super(TestConsumer, self).assign(partitions)
def unassign(self, partitions):
if TestUtils.use_group_protocol_consumer():
super(TestConsumer, self).incremental_unassign(partitions)
else:
super(TestConsumer, self).unassign()
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