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Spring Boot Actuator AutoConfigure
/*
* Copyright 2012-2019 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.health;
import java.util.Map;
import reactor.core.publisher.Flux;
import org.springframework.boot.actuate.health.ApplicationHealthIndicator;
import org.springframework.boot.actuate.health.HealthAggregator;
import org.springframework.boot.actuate.health.HealthIndicator;
import org.springframework.boot.actuate.health.HealthIndicatorRegistry;
import org.springframework.boot.actuate.health.OrderedHealthAggregator;
import org.springframework.boot.actuate.health.ReactiveHealthIndicator;
import org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistry;
import org.springframework.boot.actuate.health.ReactiveHealthIndicatorRegistryFactory;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
* {@link EnableAutoConfiguration Auto-configuration} for {@link HealthIndicator}s.
*
* @author Andy Wilkinson
* @author Stephane Nicoll
* @author Phillip Webb
* @author Vedran Pavic
* @since 2.0.0
*/
@Configuration
@EnableConfigurationProperties({ HealthIndicatorProperties.class })
public class HealthIndicatorAutoConfiguration {
private final HealthIndicatorProperties properties;
public HealthIndicatorAutoConfiguration(HealthIndicatorProperties properties) {
this.properties = properties;
}
@Bean
@ConditionalOnMissingBean({ HealthIndicator.class, ReactiveHealthIndicator.class })
public ApplicationHealthIndicator applicationHealthIndicator() {
return new ApplicationHealthIndicator();
}
@Bean
@ConditionalOnMissingBean(HealthAggregator.class)
public OrderedHealthAggregator healthAggregator() {
OrderedHealthAggregator healthAggregator = new OrderedHealthAggregator();
if (this.properties.getOrder() != null) {
healthAggregator.setStatusOrder(this.properties.getOrder());
}
return healthAggregator;
}
@Bean
@ConditionalOnMissingBean(HealthIndicatorRegistry.class)
public HealthIndicatorRegistry healthIndicatorRegistry(ApplicationContext applicationContext) {
return HealthIndicatorRegistryBeans.get(applicationContext);
}
@Configuration
@ConditionalOnClass(Flux.class)
static class ReactiveHealthIndicatorConfiguration {
@Bean
@ConditionalOnMissingBean
public ReactiveHealthIndicatorRegistry reactiveHealthIndicatorRegistry(
Map reactiveHealthIndicators,
Map healthIndicators) {
return new ReactiveHealthIndicatorRegistryFactory()
.createReactiveHealthIndicatorRegistry(reactiveHealthIndicators, healthIndicators);
}
}
}