Not using bean factory to verify if context is in creation; fixes gh-1177

This commit is contained in:
Marcin Grzejszczak
2019-01-14 17:43:44 +01:00
parent 218dd6cfa4
commit 14cdaf529e
10 changed files with 90 additions and 417 deletions

View File

@@ -33,7 +33,7 @@ public class AsyncAutoConfiguration {
@Bean
ContextRefreshedListener traceContextRefreshedListener() {
return new ContextRefreshedListener();
return new ContextRefreshedListener(false);
}
}

View File

@@ -16,19 +16,32 @@
package org.springframework.cloud.sleuth.instrument.async;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.context.event.SmartApplicationListener;
class ContextRefreshedListener extends AtomicBoolean implements SmartApplicationListener {
private static final Log log = LogFactory.getLog(ContextRefreshedListener.class);
static final Map<BeanFactory, ContextRefreshedListener> CACHE = new ConcurrentHashMap<>();
ContextRefreshedListener(boolean initialValue) {
super(initialValue);
}
ContextRefreshedListener() {
this(false);
}
@Override
@@ -39,8 +52,23 @@ class ContextRefreshedListener extends AtomicBoolean implements SmartApplication
@Override
public void onApplicationEvent(ApplicationEvent event) {
if (event instanceof ContextRefreshedEvent) {
set(true);
if (log.isDebugEnabled()) {
log.debug("Context successfully refreshed");
}
ContextRefreshedEvent contextRefreshedEvent = (ContextRefreshedEvent) event;
ApplicationContext context = contextRefreshedEvent.getApplicationContext();
BeanFactory beanFactory = context;
if (context instanceof ConfigurableApplicationContext) {
beanFactory = ((ConfigurableApplicationContext) context).getBeanFactory();
}
ContextRefreshedListener listener = CACHE.getOrDefault(beanFactory, this);
listener.set(true);
CACHE.put(beanFactory, listener);
}
}
static ContextRefreshedListener getBean(BeanFactory beanFactory) {
return CACHE.getOrDefault(beanFactory, new ContextRefreshedListener(false));
}
}

View File

@@ -16,9 +16,6 @@
package org.springframework.cloud.sleuth.instrument.async;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -34,17 +31,8 @@ class ContextUtil {
private static final Log log = LogFactory.getLog(ContextUtil.class);
private static Map<BeanFactory, ContextRefreshedListener> CACHE = new ConcurrentHashMap<>();
static boolean isContextInCreation(BeanFactory beanFactory) {
ContextRefreshedListener bean = CACHE.compute(beanFactory,
(beanFactory1, contextRefreshedListener) -> {
if (contextRefreshedListener != null) {
return contextRefreshedListener;
}
return beanFactory.getBean(ContextRefreshedListener.class);
});
boolean contextRefreshed = bean.get();
boolean contextRefreshed = ContextRefreshedListener.getBean(beanFactory).get();
if (!contextRefreshed && log.isDebugEnabled()) {
log.debug("Context is not ready yet");
}

View File

@@ -0,0 +1,27 @@
/*
* Copyright 2013-2019 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
*
* http://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.instrument.async;
import org.springframework.beans.factory.BeanFactory;
public class ContextRefreshedListenerAccessor {
public static void set(BeanFactory beanFactory, boolean refreshed) {
ContextRefreshedListener.CACHE.put(beanFactory,
new ContextRefreshedListener(refreshed));
}
}

View File

@@ -44,8 +44,6 @@ import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.aop.framework.AopConfigException;
import org.springframework.aop.framework.ProxyFactoryBean;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.cloud.sleuth.DefaultSpanNamer;
import org.springframework.cloud.sleuth.SpanNamer;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.util.ClassUtils;
@@ -71,11 +69,6 @@ public class ExecutorBeanPostProcessorTests {
this.sleuthAsyncProperties = new SleuthAsyncProperties();
Mockito.when(this.beanFactory.getBean(SleuthAsyncProperties.class))
.thenReturn(this.sleuthAsyncProperties);
Mockito.when(this.beanFactory.getBean(Tracing.class)).thenReturn(this.tracing);
Mockito.when(this.beanFactory.getBean(SpanNamer.class))
.thenReturn(new DefaultSpanNamer());
Mockito.when(this.beanFactory.getBean(ContextRefreshedListener.class))
.thenReturn(new ContextRefreshedListener(true));
}
@After
@@ -299,12 +292,6 @@ public class ExecutorBeanPostProcessorTests {
@Test
public void should_throw_real_exception_when_using_proxy() throws Exception {
// for LazyTraceExecutor
Mockito.when(this.beanFactory.getBean(Tracing.class))
.thenReturn(Tracing.newBuilder().build());
Mockito.when(this.beanFactory.getBean(SpanNamer.class))
.thenReturn(new DefaultSpanNamer());
Object o = new ExecutorBeanPostProcessor(this.beanFactory)
.postProcessAfterInitialization(new RejectedExecutionExecutor(),
"fooExecutor");

View File

@@ -231,8 +231,7 @@ public class TraceableExecutorServiceTests {
.willReturn(this.tracing);
BDDMockito.given(this.beanFactory.getBean(SpanNamer.class))
.willReturn(new DefaultSpanNamer());
BDDMockito.given(this.beanFactory.getBean(ContextRefreshedListener.class))
.willReturn(new ContextRefreshedListener(refreshed));
ContextRefreshedListenerAccessor.set(this.beanFactory, refreshed);
return this.beanFactory;
}

View File

@@ -111,8 +111,7 @@ public class TraceableScheduledExecutorServiceTest {
@Test
public void should_not_schedule_a_trace_runnable_when_context_not_ready()
throws Exception {
BDDMockito.given(this.beanFactory.getBean(ContextRefreshedListener.class))
.willReturn(new ContextRefreshedListener(false));
ContextRefreshedListenerAccessor.set(this.beanFactory, false);
this.traceableScheduledExecutorService.schedule(aRunnable(), 1L, TimeUnit.DAYS);
then(this.scheduledExecutorService).should(never()).schedule(
@@ -124,8 +123,7 @@ public class TraceableScheduledExecutorServiceTest {
@Test
public void should_not_schedule_a_trace_callable_when_context_not_ready()
throws Exception {
BDDMockito.given(this.beanFactory.getBean(ContextRefreshedListener.class))
.willReturn(new ContextRefreshedListener(false));
ContextRefreshedListenerAccessor.set(this.beanFactory, false);
this.traceableScheduledExecutorService.schedule(aCallable(), 1L, TimeUnit.DAYS);
then(this.scheduledExecutorService).should(never()).schedule(
@@ -137,8 +135,7 @@ public class TraceableScheduledExecutorServiceTest {
@Test
public void should_not_schedule_at_fixed_rate_a_trace_runnable_when_context_not_ready()
throws Exception {
BDDMockito.given(this.beanFactory.getBean(ContextRefreshedListener.class))
.willReturn(new ContextRefreshedListener(false));
ContextRefreshedListenerAccessor.set(this.beanFactory, false);
this.traceableScheduledExecutorService.scheduleAtFixedRate(aRunnable(), 1L, 1L,
TimeUnit.DAYS);
@@ -151,8 +148,7 @@ public class TraceableScheduledExecutorServiceTest {
@Test
public void should_not_schedule_with_fixed_delay_a_trace_runnable_when_context_not_ready()
throws Exception {
BDDMockito.given(this.beanFactory.getBean(ContextRefreshedListener.class))
.willReturn(new ContextRefreshedListener(false));
ContextRefreshedListenerAccessor.set(this.beanFactory, false);
this.traceableScheduledExecutorService.scheduleWithFixedDelay(aRunnable(), 1L, 1L,
TimeUnit.DAYS);
@@ -184,8 +180,7 @@ public class TraceableScheduledExecutorServiceTest {
.willReturn(this.tracing);
BDDMockito.given(this.beanFactory.getBean(SpanNamer.class))
.willReturn(new DefaultSpanNamer());
BDDMockito.given(this.beanFactory.getBean(ContextRefreshedListener.class))
.willReturn(new ContextRefreshedListener(true));
ContextRefreshedListenerAccessor.set(this.beanFactory, true);
return this.beanFactory;
}

View File

@@ -16,12 +16,13 @@ import org.springframework.mock.web.server.MockServerWebExchange;
public class TraceRequestHttpHeadersFilterTests {
ArrayListSpanReporter reporter = new ArrayListSpanReporter();
Tracing tracing = Tracing.newBuilder()
.currentTraceContext(ThreadLocalCurrentTraceContext.newBuilder()
.addScopeDecorator(StrictScopeDecorator.create()).build())
.spanReporter(this.reporter).build();
HttpTracing httpTracing = HttpTracing
.newBuilder(this.tracing).build();
HttpTracing httpTracing = HttpTracing.newBuilder(this.tracing).build();
@Test
public void should_override_any_tracing_headers() {
@@ -29,13 +30,9 @@ public class TraceRequestHttpHeadersFilterTests {
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.set("X-B3-TraceId", "52f112af7472aff0");
httpHeaders.set("X-B3-SpanId", "53e6ab6fc5dfee58");
MockServerHttpRequest request = MockServerHttpRequest
.post("foo/bar")
.headers(httpHeaders)
.build();
MockServerWebExchange exchange = MockServerWebExchange
.builder(request)
.build();
MockServerHttpRequest request = MockServerHttpRequest.post("foo/bar")
.headers(httpHeaders).build();
MockServerWebExchange exchange = MockServerWebExchange.builder(request).build();
HttpHeaders filteredHeaders = filter.filter(httpHeaders, exchange);
@@ -43,7 +40,10 @@ public class TraceRequestHttpHeadersFilterTests {
.isNotEqualTo(httpHeaders.get("X-B3-TraceId"));
BDDAssertions.then(filteredHeaders.get("X-B3-SpanId"))
.isNotEqualTo(httpHeaders.get("X-B3-SpanId"));
BDDAssertions.then((Object) exchange.getAttribute(TraceRequestHttpHeadersFilter.SPAN_ATTRIBUTE)).isNotNull();
BDDAssertions
.then((Object) exchange
.getAttribute(TraceRequestHttpHeadersFilter.SPAN_ATTRIBUTE))
.isNotNull();
}
}

View File

@@ -16,46 +16,42 @@ import org.springframework.mock.web.server.MockServerWebExchange;
public class TraceResponseHttpHeadersFilterTests {
ArrayListSpanReporter reporter = new ArrayListSpanReporter();
Tracing tracing = Tracing.newBuilder()
.currentTraceContext(ThreadLocalCurrentTraceContext.newBuilder()
.addScopeDecorator(StrictScopeDecorator.create()).build())
.spanReporter(this.reporter).build();
HttpTracing httpTracing = HttpTracing
.newBuilder(this.tracing).build();
HttpTracing httpTracing = HttpTracing.newBuilder(this.tracing).build();
@Test
public void should_not_report_span_when_no_span_was_present_in_attribute() {
HttpHeadersFilter filter = TraceResponseHttpHeadersFilter.create(this.httpTracing);
HttpHeadersFilter filter = TraceResponseHttpHeadersFilter
.create(this.httpTracing);
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.set("X-B3-TraceId", "52f112af7472aff0");
httpHeaders.set("X-B3-SpanId", "53e6ab6fc5dfee58");
MockServerHttpRequest request = MockServerHttpRequest
.post("foo/bar")
.headers(httpHeaders)
.build();
MockServerWebExchange exchange = MockServerWebExchange
.builder(request)
.build();
MockServerHttpRequest request = MockServerHttpRequest.post("foo/bar")
.headers(httpHeaders).build();
MockServerWebExchange exchange = MockServerWebExchange.builder(request).build();
filter.filter(httpHeaders, exchange);
BDDAssertions.then(this.reporter.getSpans()).isEmpty();
}
@Test
public void should_report_span_when_span_was_present_in_attribute() {
HttpHeadersFilter filter = TraceResponseHttpHeadersFilter.create(this.httpTracing);
HttpHeadersFilter filter = TraceResponseHttpHeadersFilter
.create(this.httpTracing);
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.set("X-B3-TraceId", "52f112af7472aff0");
httpHeaders.set("X-B3-SpanId", "53e6ab6fc5dfee58");
MockServerHttpRequest request = MockServerHttpRequest
.post("foo/bar")
.headers(httpHeaders)
.build();
MockServerWebExchange exchange = MockServerWebExchange
.builder(request)
.build();
exchange.getAttributes().put(TraceResponseHttpHeadersFilter.SPAN_ATTRIBUTE, this.tracing.tracer().nextSpan());
MockServerHttpRequest request = MockServerHttpRequest.post("foo/bar")
.headers(httpHeaders).build();
MockServerWebExchange exchange = MockServerWebExchange.builder(request).build();
exchange.getAttributes().put(TraceResponseHttpHeadersFilter.SPAN_ATTRIBUTE,
this.tracing.tracer().nextSpan());
filter.filter(httpHeaders, exchange);

View File

@@ -1,347 +0,0 @@
/*
* Copyright 2013-2018 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
*
* http://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.instrument.web.client.feign.servererrors;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import brave.Tracer;
import brave.Tracing;
import brave.sampler.Sampler;
import com.netflix.hystrix.exception.HystrixRuntimeException;
import com.netflix.loadbalancer.BaseLoadBalancer;
import com.netflix.loadbalancer.ILoadBalancer;
import com.netflix.loadbalancer.Server;
import feign.Logger;
import feign.codec.Decoder;
import feign.codec.ErrorDecoder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.awaitility.Awaitility;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.netflix.ribbon.RibbonClient;
import org.springframework.cloud.netflix.ribbon.RibbonClients;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.cloud.sleuth.instrument.web.TraceWebServletAutoConfiguration;
import org.springframework.cloud.sleuth.util.ArrayListSpanReporter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.web.bind.annotation.RequestHeader;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
import zipkin2.Span;
import static org.assertj.core.api.Assertions.fail;
import static org.assertj.core.api.BDDAssertions.then;
/**
* Related to https://github.com/spring-cloud/spring-cloud-sleuth/issues/257
*
* @author ryarabori
*/
@RunWith(SpringRunner.class)
@SpringBootTest(classes = FeignClientServerErrorTests.TestConfiguration.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
@TestPropertySource(properties = { "spring.application.name=fooservice",
"feign.hystrix.enabled=true" })
// TODO: TRY TO REPLICATE IT LOCALLY
@Ignore("FAILS ON CI. DOESN'T PROPAGATE TRACING HEADERS TO ANOTHER THREAD")
public class FeignClientServerErrorTests {
private static final Log log = LogFactory.getLog(FeignClientServerErrorTests.class);
@Autowired
TestFeignInterface feignInterface;
@Autowired
TestFeignWithCustomConfInterface customConfFeignInterface;
@Autowired
ArrayListSpanReporter reporter;
@Autowired
Tracer tracer;
@Before
public void setup() {
this.reporter.clear();
}
@Test
public void shouldCloseSpanOnInternalServerError() {
try (Tracer.SpanInScope ws = this.tracer
.withSpanInScope(this.tracer.nextSpan().name("foo").start())) {
log.info("sending a request");
this.feignInterface.internalError();
fail("Must throw an exception");
}
catch (HystrixRuntimeException e) {
log.info("Expected exception thrown", e);
}
Awaitility.await().untilAsserted(() -> {
List<Span> spans = this.reporter.getSpans();
log.info("Spans " + spans);
Optional<Span> spanWithError = spans.stream()
.filter(span -> span.tags().containsKey("error")).findFirst();
then(spanWithError.isPresent()).isTrue();
then(spanWithError.get().tags()).containsEntry("error", "500")
.containsEntry("http.status_code", "500");
});
}
@Test
public void shouldCloseSpanOnNotFound() {
try (Tracer.SpanInScope ws = this.tracer
.withSpanInScope(this.tracer.nextSpan().name("foo").start())) {
log.info("sending a request");
this.feignInterface.notFound();
fail("Must throw an exception");
}
catch (HystrixRuntimeException e) {
log.info("Expected exception thrown", e);
}
Awaitility.await().untilAsserted(() -> {
List<Span> spans = this.reporter.getSpans();
log.info("Spans " + spans);
Optional<Span> spanWithError = spans.stream()
.filter(span -> span.tags().containsKey("http.status_code"))
.findFirst();
then(spanWithError.isPresent()).isTrue();
then(spanWithError.get().tags()).containsEntry("http.status_code", "404");
});
}
@Test
public void shouldCloseSpanOnOk() {
try (Tracer.SpanInScope ws = this.tracer
.withSpanInScope(this.tracer.nextSpan().name("foo").start())) {
log.info("sending a request");
this.feignInterface.ok();
}
catch (HystrixRuntimeException e) {
log.info("Expected exception thrown", e);
}
Awaitility.await().untilAsserted(() -> {
List<Span> spans = this.reporter.getSpans();
log.info("Spans " + spans);
Optional<Span> httpSpan = spans.stream()
.filter(span -> span.tags().containsKey("http.method")).findFirst();
then(httpSpan.isPresent()).isTrue();
then(httpSpan.get().tags()).containsEntry("http.method", "GET")
.doesNotContainEntry("http.url", "http://fooservice/ok");
});
}
@Test
public void shouldCloseSpanOnOkWithCustomFeignConfiguration() {
try (Tracer.SpanInScope ws = this.tracer
.withSpanInScope(this.tracer.nextSpan().name("foo").start())) {
log.info("sending a request");
this.customConfFeignInterface.ok();
fail("Must throw an exception");
}
catch (HystrixRuntimeException e) {
log.info("Expected exception thrown", e);
}
Awaitility.await().untilAsserted(() -> {
List<Span> spans = this.reporter.getSpans();
log.info("Spans " + spans);
then(spans.size()).isGreaterThanOrEqualTo(1);
Optional<Span> httpSpan = spans.stream()
.filter(span -> span.tags().containsKey("http.method")).findFirst();
then(httpSpan.isPresent()).isTrue();
then(httpSpan.get().tags()).containsEntry("http.method", "GET");
});
}
@Test
public void shouldCloseSpanOnNotFoundWithCustomFeignConfiguration() {
try (Tracer.SpanInScope ws = this.tracer
.withSpanInScope(this.tracer.nextSpan().name("foo").start())) {
log.info("sending a request");
this.customConfFeignInterface.notFound();
fail("Must throw an exception");
}
catch (HystrixRuntimeException e) {
log.info("Expected exception thrown", e);
}
Awaitility.await().untilAsserted(() -> {
List<Span> spans = this.reporter.getSpans();
log.info("Spans " + spans);
Optional<Span> spanWithError = spans.stream()
.filter(span -> span.tags().containsKey("error")).findFirst();
then(spanWithError.isPresent()).isTrue();
then(spanWithError.get().tags()).containsEntry("error", "404")
.containsEntry("http.status_code", "404");
});
}
@Configuration
@EnableAutoConfiguration(exclude = TraceWebServletAutoConfiguration.class)
@EnableFeignClients
@RibbonClients({
@RibbonClient(value = "fooservice", configuration = SimpleRibbonClientConfiguration.class),
@RibbonClient(value = "customConfFooService", configuration = SimpleRibbonClientConfiguration.class) })
public static class TestConfiguration {
@Bean
FooController fooController() {
return new FooController();
}
@Bean
ArrayListSpanReporter listener() {
return new ArrayListSpanReporter();
}
@LoadBalanced
@Bean
RestTemplate restTemplate() {
return new RestTemplate();
}
@Bean
Sampler alwaysSampler() {
return Sampler.ALWAYS_SAMPLE;
}
@Bean
Logger.Level feignLoggerLevel() {
return Logger.Level.FULL;
}
}
@FeignClient(value = "fooservice")
public interface TestFeignInterface {
@RequestMapping(method = RequestMethod.GET, value = "/internalerror")
ResponseEntity<String> internalError();
@RequestMapping(method = RequestMethod.GET, value = "/notfound")
ResponseEntity<String> notFound();
@RequestMapping(method = RequestMethod.GET, value = "/ok")
ResponseEntity<String> ok();
}
@FeignClient(value = "customConfFooService", configuration = CustomFeignClientConfiguration.class)
public interface TestFeignWithCustomConfInterface {
@RequestMapping(method = RequestMethod.GET, value = "/notfound")
ResponseEntity<String> notFound();
@RequestMapping(method = RequestMethod.GET, value = "/ok")
ResponseEntity<String> ok();
}
@Configuration
public static class CustomFeignClientConfiguration {
@Bean
Decoder decoder() {
return new Decoder.Default();
}
@Bean
ErrorDecoder errorDecoder() {
return new ErrorDecoder.Default();
}
}
@RestController
public static class FooController {
@Autowired
Tracing tracer;
@RequestMapping("/internalerror")
public ResponseEntity<String> internalError(
@RequestHeader("X-B3-TraceId") String traceId,
@RequestHeader("X-B3-SpanId") String spanId,
@RequestHeader("X-B3-ParentSpanId") String parentId) {
log.info("Will respond with internal error");
logHeaders(traceId, spanId, parentId);
throw new RuntimeException("Internal Error");
}
@RequestMapping("/notfound")
public ResponseEntity<String> notFound(
@RequestHeader("X-B3-TraceId") String traceId,
@RequestHeader("X-B3-SpanId") String spanId,
@RequestHeader("X-B3-ParentSpanId") String parentId) {
log.info("Will respond with not found");
logHeaders(traceId, spanId, parentId);
return new ResponseEntity<>("not found", HttpStatus.NOT_FOUND);
}
@RequestMapping("/ok")
public ResponseEntity<String> ok(@RequestHeader("X-B3-TraceId") String traceId,
@RequestHeader("X-B3-SpanId") String spanId,
@RequestHeader("X-B3-ParentSpanId") String parentId) {
log.info("Will respond with OK");
logHeaders(traceId, spanId, parentId);
return new ResponseEntity<>("ok", HttpStatus.OK);
}
private void logHeaders(String traceId, String spanId, String parentId) {
log.info("Trace [" + traceId + "], span [" + spanId + "], parent [" + parentId
+ "]");
}
}
@Configuration
public static class SimpleRibbonClientConfiguration {
@Value("${local.server.port}")
private int port = 0;
@Bean
public ILoadBalancer ribbonLoadBalancer() {
BaseLoadBalancer balancer = new BaseLoadBalancer();
balancer.setServersList(
Collections.singletonList(new Server("localhost", this.port)));
return balancer;
}
}
}