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Spring Cloud Sleuth AutoConfigure
/*
* Copyright 2013-2021 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.cloud.sleuth.autoconfig.instrument.messaging;
import java.util.ArrayList;
import java.util.List;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cloud.context.scope.refresh.RefreshScopeRefreshedEvent;
import org.springframework.cloud.function.context.catalog.FunctionAroundWrapper;
import org.springframework.cloud.sleuth.Span;
import org.springframework.cloud.sleuth.Tracer;
import org.springframework.cloud.sleuth.autoconfig.brave.BraveAutoConfiguration;
import org.springframework.cloud.sleuth.instrument.messaging.FunctionMessageSpanCustomizer;
import org.springframework.cloud.sleuth.instrument.messaging.TraceFunctionAroundWrapper;
import org.springframework.cloud.sleuth.propagation.Propagator;
import org.springframework.cloud.stream.messaging.DirectWithAttributesChannel;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.MessageHeaderAccessor;
/**
* {@link org.springframework.boot.autoconfigure.EnableAutoConfiguration
* Auto-configuration} to enable tracing via Spring Cloud Function.
*
* @author Oleg Zhurakousky
* @author Marcin Grzejszczak
* @since 3.0.0
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnProperty(value = "spring.sleuth.function.enabled", matchIfMissing = true)
@ConditionalOnBean(Tracer.class)
@ConditionalOnClass({ FunctionAroundWrapper.class, RefreshScopeRefreshedEvent.class })
@AutoConfigureAfter(BraveAutoConfiguration.class)
public class TraceFunctionAutoConfiguration {
@Bean
TraceFunctionAroundWrapper traceFunctionAroundWrapper(Environment environment, Tracer tracer, Propagator propagator,
Propagator.Setter injector, Propagator.Getter extractor,
ObjectProvider> customizers) {
return new TraceFunctionAroundWrapper(environment, tracer, propagator, injector, extractor,
customizers.getIfAvailable(ArrayList::new));
}
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(DirectWithAttributesChannel.class)
static class TraceFunctionStreamConfiguration {
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(name = "org.springframework.cloud.stream.binder.kafka.config.KafkaBinderConfiguration")
@ConditionalOnMissingClass("org.springframework.cloud.stream.binder.rabbit.properties.RabbitBinderConfigurationProperties")
static class KafkaOnlyStreamConfiguration {
@Bean
FunctionMessageSpanCustomizer traceKafkaFunctionMessageSpanCustomizer() {
return new FunctionMessageSpanCustomizer() {
@Override
public void customizeInputMessageSpan(Span span, Message message) {
span.remoteServiceName("kafka");
}
@Override
public void customizeOutputMessageSpan(Span span, Message message) {
span.remoteServiceName("kafka");
}
};
}
}
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(
name = "org.springframework.cloud.stream.binder.rabbit.properties.RabbitBinderConfigurationProperties")
@ConditionalOnMissingClass("org.springframework.cloud.stream.binder.kafka.config.KafkaBinderConfiguration")
static class RabbitOnlyStreamConfiguration {
@Bean
FunctionMessageSpanCustomizer traceRabbitFunctionMessageSpanCustomizer() {
return new FunctionMessageSpanCustomizer() {
@Override
public void customizeInputMessageSpan(Span span, Message message) {
span.remoteServiceName("rabbitmq");
}
@Override
public void customizeOutputMessageSpan(Span span, Message message) {
span.remoteServiceName("rabbitmq");
}
};
}
}
}
}