io.streamthoughts.kafka.specs.command.WithAdminClientCommand Maven / Gradle / Ivy

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A command-line tool to help you automate the management of the configurations that live on your Apache Kafka clusters.

There is a newer version: 0.30.0

/*
 * Copyright 2021 StreamThoughts.
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
package io.streamthoughts.kafka.specs.command;

import io.streamthoughts.kafka.specs.config.JikkouConfig;
import io.streamthoughts.kafka.specs.config.JikkouParams;
import io.streamthoughts.kafka.specs.error.JikkouException;
import io.streamthoughts.kafka.specs.internal.KafkaBrokersReady;
import io.streamthoughts.kafka.specs.internal.KafkaUtils;
import org.apache.kafka.clients.admin.AdminClient;

import java.util.Properties;
import java.util.function.Function;

public class WithAdminClientCommand {

    public Integer withAdminClient(final Function function) {
        final JikkouConfig config = JikkouConfig.get();
        final Properties adminClientProps = JikkouParams.ADMIN_CLIENT_CONFIG.get(config);
        try (AdminClient client = KafkaUtils.newAdminClient(adminClientProps)) {
            if (JikkouParams.KAFKA_BROKERS_WAIT_FOR_ENABLED.get(config)) {
                final boolean isReady = KafkaUtils.waitForKafkaBrokers(
                        client,
                        KafkaBrokersReady.Options
                                .withDefaults()
                                .withMinAvailableBrokers(JikkouParams.KAFKA_BROKERS_WAIT_FOR_MIN_AVAILABLE.get(config))
                                .withRetryBackoffMs(JikkouParams.KAFKA_BROKERS_WAIT_FOR_RETRY_BACKOFF_MS.get(config))
                                .withTimeoutMs(JikkouParams.KAFKA_BROKERS_WAIT_FOR_TIMEOUT_MS.get(config))
                );
                if (!isReady) {
                    throw new JikkouException(
                        "Timeout expired. The timeout period elapsed prior to " +
                        "the requested number of kafka brokers is available."
                    );
                }

            }
            return function.apply(client);
        }
    }
}