org.springframework.boot.actuate.autoconfigure.observation.web.servlet.WebMvcObservationAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2023 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.observation.web.servlet;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.config.MeterFilter;
import io.micrometer.observation.Observation;
import io.micrometer.observation.ObservationRegistry;
import jakarta.servlet.DispatcherType;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.actuate.autoconfigure.metrics.CompositeMeterRegistryAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties;
import org.springframework.boot.actuate.autoconfigure.metrics.OnlyOnceLoggingDenyMeterFilter;
import org.springframework.boot.actuate.autoconfigure.metrics.export.simple.SimpleMetricsExportAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.observation.ObservationAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.observation.ObservationProperties;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.web.servlet.ConditionalOnMissingFilterBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.http.server.observation.DefaultServerRequestObservationConvention;
import org.springframework.http.server.observation.ServerRequestObservationConvention;
import org.springframework.web.filter.ServerHttpObservationFilter;
import org.springframework.web.servlet.DispatcherServlet;
/**
* {@link EnableAutoConfiguration Auto-configuration} for instrumentation of Spring Web
* MVC servlet-based request mappings.
*
* @author Brian Clozel
* @author Jon Schneider
* @author Dmytro Nosan
* @since 3.0.0
*/
@AutoConfiguration(after = { MetricsAutoConfiguration.class, CompositeMeterRegistryAutoConfiguration.class,
SimpleMetricsExportAutoConfiguration.class, ObservationAutoConfiguration.class })
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET)
@ConditionalOnClass({ DispatcherServlet.class, Observation.class })
@ConditionalOnBean(ObservationRegistry.class)
@EnableConfigurationProperties({ MetricsProperties.class, ObservationProperties.class })
public class WebMvcObservationAutoConfiguration {
@Bean
@ConditionalOnMissingFilterBean
public FilterRegistrationBean webMvcObservationFilter(ObservationRegistry registry,
ObjectProvider customConvention,
ObservationProperties observationProperties) {
String name = observationProperties.getHttp().getServer().getRequests().getName();
ServerRequestObservationConvention convention = customConvention
.getIfAvailable(() -> new DefaultServerRequestObservationConvention(name));
ServerHttpObservationFilter filter = new ServerHttpObservationFilter(registry, convention);
FilterRegistrationBean registration = new FilterRegistrationBean<>(filter);
registration.setOrder(Ordered.HIGHEST_PRECEDENCE + 1);
registration.setDispatcherTypes(DispatcherType.REQUEST, DispatcherType.ASYNC);
return registration;
}
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(MeterRegistry.class)
@ConditionalOnBean(MeterRegistry.class)
static class MeterFilterConfiguration {
@Bean
@Order(0)
MeterFilter metricsHttpServerUriTagFilter(ObservationProperties observationProperties,
MetricsProperties metricsProperties) {
String name = observationProperties.getHttp().getServer().getRequests().getName();
MeterFilter filter = new OnlyOnceLoggingDenyMeterFilter(
() -> String.format("Reached the maximum number of URI tags for '%s'.", name));
return MeterFilter.maximumAllowableTags(name, "uri", metricsProperties.getWeb().getServer().getMaxUriTags(),
filter);
}
}
}