org.zalando.riptide.autoconfigure.OpenTracingFlowIdAutoConfiguration Maven / Gradle / Ivy
package org.zalando.riptide.autoconfigure;
import io.opentracing.Tracer;
import org.apache.hc.client5.http.classic.HttpClient;
import org.apiguardian.api.API;
import org.springframework.boot.autoconfigure.AutoConfiguration;
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.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.zalando.opentracing.flowid.Flow;
import static org.apiguardian.api.API.Status.INTERNAL;
import static org.apiguardian.api.API.Status.STABLE;
/**
* This class is adapted from org.zalando.opentracing.flowid.autoconfigure.OpenTracingFlowIdAutoConfiguration.
* The original class is based on org.zalando.opentracing.flowid.httpclient.FlowHttpRequestInterceptor,
* which uses Apache HttpClient 4.x.
* We use org.zalando.riptide.autoconfigure.FlowHttpRequestInterceptor, that is adapted to Apache HttpClient 5.x.
*/
@API(status = STABLE)
@AutoConfiguration
@ConditionalOnBean(Tracer.class)
@AutoConfigureAfter(name = {
"org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration",
"io.opentracing.contrib.spring.web.starter.ServerTracingAutoConfiguration"
})
public class OpenTracingFlowIdAutoConfiguration {
@API(status = INTERNAL)
@Bean
public Flow flow(final Tracer tracer) {
return Flow.create(tracer);
}
@API(status = INTERNAL)
@Configuration
@ConditionalOnClass(HttpClient.class)
@ConditionalOnMissingBean(FlowHttpRequestInterceptor.class)
@ConditionalOnProperty(name = "opentracing.flowid.httpclient.enabled", havingValue = "true", matchIfMissing = true)
static class OpenTracingFlowIdHttpClientAutoConfiguration {
@Bean
@ConditionalOnMissingBean(FlowHttpRequestInterceptor.class)
public FlowHttpRequestInterceptor flowHttpRequestInterceptor(final Flow flow) {
return new FlowHttpRequestInterceptor(flow);
}
}
}