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Spring Boot Actuator AutoConfigure
/*
* Copyright 2012-2022 the original author or authors.
*
* 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
*
* https://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 org.springframework.boot.actuate.autoconfigure.metrics;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.binder.kafka.KafkaClientMetrics;
import io.micrometer.core.instrument.binder.kafka.KafkaStreamsMetrics;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.kafka.DefaultKafkaConsumerFactoryCustomizer;
import org.springframework.boot.autoconfigure.kafka.DefaultKafkaProducerFactoryCustomizer;
import org.springframework.boot.autoconfigure.kafka.KafkaAutoConfiguration;
import org.springframework.boot.autoconfigure.kafka.StreamsBuilderFactoryBeanCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.kafka.config.StreamsBuilderFactoryBean;
import org.springframework.kafka.core.DefaultKafkaConsumerFactory;
import org.springframework.kafka.core.DefaultKafkaProducerFactory;
import org.springframework.kafka.core.MicrometerConsumerListener;
import org.springframework.kafka.core.MicrometerProducerListener;
import org.springframework.kafka.core.ProducerFactory;
import org.springframework.kafka.streams.KafkaStreamsMicrometerListener;
/**
* Auto-configuration for Kafka metrics.
*
* @author Andy Wilkinson
* @author Stephane Nicoll
* @author Eddú Meléndez
* @since 2.1.0
*/
@AutoConfiguration(before = KafkaAutoConfiguration.class,
after = { MetricsAutoConfiguration.class, CompositeMeterRegistryAutoConfiguration.class })
@ConditionalOnClass({ KafkaClientMetrics.class, ProducerFactory.class })
@ConditionalOnBean(MeterRegistry.class)
public class KafkaMetricsAutoConfiguration {
@Bean
public DefaultKafkaProducerFactoryCustomizer kafkaProducerMetrics(MeterRegistry meterRegistry) {
return (producerFactory) -> addListener(producerFactory, meterRegistry);
}
@Bean
public DefaultKafkaConsumerFactoryCustomizer kafkaConsumerMetrics(MeterRegistry meterRegistry) {
return (consumerFactory) -> addListener(consumerFactory, meterRegistry);
}
private void addListener(DefaultKafkaConsumerFactory factory, MeterRegistry meterRegistry) {
factory.addListener(new MicrometerConsumerListener<>(meterRegistry));
}
private void addListener(DefaultKafkaProducerFactory factory, MeterRegistry meterRegistry) {
factory.addListener(new MicrometerProducerListener<>(meterRegistry));
}
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass({ KafkaStreamsMetrics.class, StreamsBuilderFactoryBean.class })
static class KafkaStreamsMetricsConfiguration {
@Bean
StreamsBuilderFactoryBeanCustomizer kafkaStreamsMetrics(MeterRegistry meterRegistry) {
return (factoryBean) -> factoryBean.addListener(new KafkaStreamsMicrometerListener(meterRegistry));
}
}
}