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# -*- coding: utf-8 -*-
# Copyright 2023 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 time
from confluent_kafka.admin import ConfigResource, \
ConfigEntry, ResourceType, \
AlterConfigOpType
from tests.common import TestUtils
def assert_expected_config_entries(fs, num_fs, expected):
"""
Verify that the list of non-default entries corresponds
to the expected one for each config resource.
"""
assert len(fs.items()) == num_fs
for res, f in fs.items():
configs = f.result()
entries = sorted([str(entry) for entry in configs.values()
if not entry.is_default])
assert entries == expected[res]
def assert_operation_succeeded(fs, num_fs):
"""
Verify that the operation succeeded
for each resource.
"""
assert len(fs.items()) == num_fs
for _, f in fs.items():
assert f.result() is None # empty, but raises exception on failure
def test_incremental_alter_configs(kafka_cluster):
"""
Incrementally change the configuration entries of two topics
and verify that the configuration description corresponds.
"""
topic_prefix = "test-topic"
topic_prefix2 = "test-topic2"
num_partitions = 2
topic_config = {"compression.type": "gzip"}
our_topic = kafka_cluster.create_topic_and_wait_propogation(topic_prefix,
{
"num_partitions": num_partitions,
"config": topic_config,
"replication_factor": 1,
})
our_topic2 = kafka_cluster.create_topic_and_wait_propogation(topic_prefix2,
{
"num_partitions": num_partitions,
"config": topic_config,
"replication_factor": 1,
})
admin_client = kafka_cluster.admin()
res1 = ConfigResource(
ResourceType.TOPIC,
our_topic,
incremental_configs=[
ConfigEntry("cleanup.policy", "compact",
incremental_operation=AlterConfigOpType.APPEND),
ConfigEntry("retention.ms", "10000",
incremental_operation=AlterConfigOpType.SET)
]
)
res2 = ConfigResource(
ResourceType.TOPIC,
our_topic2,
incremental_configs=[
ConfigEntry("cleanup.policy", "delete",
incremental_operation=AlterConfigOpType.SUBTRACT),
ConfigEntry("retention.ms", "5000",
incremental_operation=AlterConfigOpType.SET)
]
)
expected = {
res1: ['cleanup.policy="delete,compact"',
'compression.type="gzip"',
'retention.ms="10000"'],
res2: ['cleanup.policy=""',
'compression.type="gzip"',
'retention.ms="5000"']
}
#
# Incrementally alter some configuration values
#
fs = admin_client.incremental_alter_configs([res1, res2])
assert_operation_succeeded(fs, 2)
time.sleep(1)
#
# Get current topic config
#
fs = admin_client.describe_configs([res1, res2])
# Assert expected config entries.
assert_expected_config_entries(fs, 2, expected)
#
# Delete an entry and change a second one.
#
res2 = ConfigResource(
ResourceType.TOPIC,
our_topic2,
incremental_configs=[
ConfigEntry("compression.type", None,
incremental_operation=AlterConfigOpType.DELETE),
ConfigEntry("retention.ms", "10000",
incremental_operation=AlterConfigOpType.SET)
]
)
expected[res2] = ['cleanup.policy=""',
'retention.ms="10000"']
#
# Incrementally alter some configuration values
#
fs = admin_client.incremental_alter_configs([res2])
assert_operation_succeeded(fs, 1)
time.sleep(1)
#
# Get current topic config
#
fs = admin_client.describe_configs([res2])
# Assert expected config entries.
assert_expected_config_entries(fs, 1, expected)
# TODO: enable this test for the classic run too, when
# Confluent Platform test cluster is upgraded to 8.0.0
if TestUtils.use_group_protocol_consumer():
group_id = "test-group"
res_group = ConfigResource(
ResourceType.GROUP,
group_id,
incremental_configs=[
ConfigEntry("consumer.session.timeout.ms", "50000",
incremental_operation=AlterConfigOpType.SET)
]
)
expected[res_group] = ['consumer.session.timeout.ms="50000"']
#
# Incrementally alter some configuration values
#
fs = admin_client.incremental_alter_configs([res_group])
assert_operation_succeeded(fs, 1)
time.sleep(1)
#
# Get current group config
#
fs = admin_client.describe_configs([res_group])
# Assert expected config entries.
assert_expected_config_entries(fs, 1, expected)
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