/
RestTemplateObservationConfiguration.java
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/
RestTemplateObservationConfiguration.java
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/*
* 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.observation.web.client;
import io.micrometer.observation.ObservationRegistry;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties;
import org.springframework.boot.actuate.autoconfigure.observation.ObservationProperties;
import org.springframework.boot.actuate.metrics.web.client.ObservationRestTemplateCustomizer;
import org.springframework.boot.actuate.metrics.web.client.RestTemplateExchangeTagsProvider;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.observation.ClientRequestObservationConvention;
import org.springframework.http.client.observation.DefaultClientRequestObservationConvention;
import org.springframework.web.client.RestTemplate;
/**
* Configure the instrumentation of {@link RestTemplate}.
*
* @author Brian Clozel
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(RestTemplate.class)
@ConditionalOnBean(RestTemplateBuilder.class)
@SuppressWarnings("removal")
class RestTemplateObservationConfiguration {
@Bean
ObservationRestTemplateCustomizer observationRestTemplateCustomizer(ObservationRegistry observationRegistry,
ObjectProvider<ClientRequestObservationConvention> customConvention,
ObservationProperties observationProperties, MetricsProperties metricsProperties,
ObjectProvider<RestTemplateExchangeTagsProvider> optionalTagsProvider) {
String name = observationName(observationProperties, metricsProperties);
ClientRequestObservationConvention observationConvention = createConvention(customConvention.getIfAvailable(),
name, optionalTagsProvider.getIfAvailable());
return new ObservationRestTemplateCustomizer(observationRegistry, observationConvention);
}
private static String observationName(ObservationProperties observationProperties,
MetricsProperties metricsProperties) {
String metricName = metricsProperties.getWeb().getClient().getRequest().getMetricName();
String observationName = observationProperties.getHttp().getClient().getRequests().getName();
return (observationName != null) ? observationName : metricName;
}
private static ClientRequestObservationConvention createConvention(
ClientRequestObservationConvention customConvention, String name,
RestTemplateExchangeTagsProvider tagsProvider) {
if (customConvention != null) {
return customConvention;
}
else if (tagsProvider != null) {
return new ClientHttpObservationConventionAdapter(name, tagsProvider);
}
else {
return new DefaultClientRequestObservationConvention(name);
}
}
}