001/*
002 * Copyright 2012-2018 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.actuate.autoconfigure.metrics;
018
019import java.util.Collections;
020
021import javax.management.MBeanServer;
022
023import io.micrometer.core.instrument.MeterRegistry;
024import io.micrometer.core.instrument.binder.kafka.KafkaConsumerMetrics;
025import org.apache.kafka.clients.consumer.KafkaConsumer;
026
027import org.springframework.boot.autoconfigure.AutoConfigureAfter;
028import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
029import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
030import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
031import org.springframework.boot.autoconfigure.jmx.JmxAutoConfiguration;
032import org.springframework.context.annotation.Bean;
033import org.springframework.context.annotation.Configuration;
034
035/**
036 * Auto-configuration for Kafka metrics.
037 *
038 * @author Andy Wilkinson
039 * @since 2.1.0
040 */
041@Configuration
042@AutoConfigureAfter({ MetricsAutoConfiguration.class, JmxAutoConfiguration.class })
043@ConditionalOnClass({ KafkaConsumerMetrics.class, KafkaConsumer.class })
044@ConditionalOnBean(MeterRegistry.class)
045public class KafkaMetricsAutoConfiguration {
046
047        @Bean
048        @ConditionalOnMissingBean
049        @ConditionalOnBean(MBeanServer.class)
050        public KafkaConsumerMetrics kafkaConsumerMetrics(MBeanServer mbeanServer) {
051                return new KafkaConsumerMetrics(mbeanServer, Collections.emptyList());
052        }
053
054}