org.springframework.cloud.sleuth.autoconfig.instrument.prometheus.PrometheusExemplarsAutoConfiguration Maven / Gradle / Ivy
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Spring Cloud Sleuth AutoConfigure
/*
* Copyright 2022-2022 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.cloud.sleuth.autoconfig.instrument.prometheus;
import io.prometheus.client.exemplars.tracer.common.SpanContextSupplier;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cloud.sleuth.Tracer;
import org.springframework.cloud.sleuth.instrument.prometheus.LazySleuthSpanContextSupplier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
* {@link org.springframework.boot.autoconfigure.EnableAutoConfiguration
* Auto-configuration} enables Prometheus Exemplars support.
*
* @author Jonatan Ivanov
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(SpanContextSupplier.class)
@ConditionalOnProperty(value = "spring.sleuth.enabled", matchIfMissing = true)
@AutoConfigureBefore(
name = "org.springframework.boot.actuate.autoconfigure.metrics.export.prometheus.PrometheusMetricsExportAutoConfiguration")
public class PrometheusExemplarsAutoConfiguration {
@Bean
@ConditionalOnMissingBean
@ConditionalOnProperty(value = "spring.sleuth.prometheus.exemplars.enabled", matchIfMissing = true)
SpanContextSupplier sleuthSpanContextSupplier(ObjectProvider tracerProvider) {
return new LazySleuthSpanContextSupplier(tracerProvider);
}
}