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 io.micrometer.core.annotation.Timed;
020import io.micrometer.core.instrument.Clock;
021import io.micrometer.core.instrument.binder.MeterBinder;
022import io.micrometer.core.instrument.config.MeterFilter;
023
024import org.springframework.beans.factory.ObjectProvider;
025import org.springframework.boot.autoconfigure.AutoConfigureBefore;
026import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
027import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
028import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
029import org.springframework.boot.context.properties.EnableConfigurationProperties;
030import org.springframework.context.annotation.Bean;
031import org.springframework.context.annotation.Configuration;
032import org.springframework.core.annotation.Order;
033
034/**
035 * {@link EnableAutoConfiguration Auto-configuration} for Micrometer-based metrics.
036 *
037 * @author Jon Schneider
038 * @author Stephane Nicoll
039 * @since 2.0.0
040 */
041@Configuration
042@ConditionalOnClass(Timed.class)
043@EnableConfigurationProperties(MetricsProperties.class)
044@AutoConfigureBefore(CompositeMeterRegistryAutoConfiguration.class)
045public class MetricsAutoConfiguration {
046
047        @Bean
048        @ConditionalOnMissingBean
049        public Clock micrometerClock() {
050                return Clock.SYSTEM;
051        }
052
053        @Bean
054        public static MeterRegistryPostProcessor meterRegistryPostProcessor(
055                        ObjectProvider<MeterBinder> meterBinders,
056                        ObjectProvider<MeterFilter> meterFilters,
057                        ObjectProvider<MeterRegistryCustomizer<?>> meterRegistryCustomizers,
058                        ObjectProvider<MetricsProperties> metricsProperties) {
059                return new MeterRegistryPostProcessor(meterBinders, meterFilters,
060                                meterRegistryCustomizers, metricsProperties);
061        }
062
063        @Bean
064        @Order(0)
065        public PropertiesMeterFilter propertiesMeterFilter(MetricsProperties properties) {
066                return new PropertiesMeterFilter(properties);
067        }
068
069}