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}