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Merge branch '2.4.x'

Browse Source 
Closes gh-26596
This commit is contained in:
Andy Wilkinson
2021-05-19 13:38:20 +01:00
parent 55b507bccf ff45e4c418
commit b9abcba778
7 changed files with 195 additions and 27 deletions
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37
spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/reactive/server/MetricsWebFilterTests.java
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@@ -18,9 +18,11 @@ package org.springframework.boot.actuate.metrics.web.reactive.server;
import java.io.EOFException;
import java.time.Duration;
import java.util.concurrent.atomic.AtomicBoolean;
import io.micrometer.core.annotation.Timed;
import io.micrometer.core.instrument.MockClock;
import io.micrometer.core.instrument.Tag;
import io.micrometer.core.instrument.simple.SimpleConfig;
import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
import org.junit.jupiter.api.BeforeEach;
@@ -35,6 +37,7 @@ import org.springframework.mock.web.server.MockServerWebExchange;
import org.springframework.util.ReflectionUtils;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.reactive.HandlerMapping;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.util.pattern.PathPatternParser;
import static org.assertj.core.api.Assertions.assertThat;
@@ -51,6 +54,8 @@ class MetricsWebFilterTests {
private static final String REQUEST_METRICS_NAME_PERCENTILE = REQUEST_METRICS_NAME + ".percentile";
private final FaultyWebFluxTagsProvider tagsProvider = new FaultyWebFluxTagsProvider();
private SimpleMeterRegistry registry;
private MetricsWebFilter webFilter;
@@ -59,7 +64,7 @@ class MetricsWebFilterTests {
void setup() {
MockClock clock = new MockClock();
this.registry = new SimpleMeterRegistry(SimpleConfig.DEFAULT, clock);
this.webFilter = new MetricsWebFilter(this.registry, new DefaultWebFluxTagsProvider(true), REQUEST_METRICS_NAME,
this.webFilter = new MetricsWebFilter(this.registry, this.tagsProvider, REQUEST_METRICS_NAME,
AutoTimer.ENABLED);
}
@@ -208,6 +213,14 @@ class MetricsWebFilterTests {
assertThat(this.registry.get(REQUEST_METRICS_NAME_PERCENTILE).tag("phi", "0.5").gauge().value()).isNotZero();
}
@Test
void whenMetricsRecordingFailsThenExchangeFilteringSucceeds() {
MockServerWebExchange exchange = createExchange("/projects/spring-boot", "/projects/{project}");
this.tagsProvider.failOnce();
this.webFilter.filter(exchange, (serverWebExchange) -> exchange.getResponse().setComplete())
.block(Duration.ofSeconds(30));
}
private MockServerWebExchange createTimedHandlerMethodExchange(String methodName) {
MockServerWebExchange exchange = createExchange("/projects/spring-boot", "/projects/{project}");
exchange.getAttributes().put(HandlerMapping.BEST_MATCHING_HANDLER_ATTRIBUTE,
@@ -245,4 +258,26 @@ class MetricsWebFilterTests {
}
class FaultyWebFluxTagsProvider extends DefaultWebFluxTagsProvider {
private volatile AtomicBoolean fail = new AtomicBoolean(false);
FaultyWebFluxTagsProvider() {
super(true);
}
@Override
public Iterable<Tag> httpRequestTags(ServerWebExchange exchange, Throwable exception) {
if (this.fail.compareAndSet(true, false)) {
throw new RuntimeException();
}
return super.httpRequestTags(exchange, exception);
}
void failOnce() {
this.fail.set(true);
}
}
}

61
spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/servlet/FaultyWebMvcTagsProvider.java Normal file
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@@ -0,0 +1,61 @@
/*
* Copyright 2012-2021 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.boot.actuate.metrics.web.servlet;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import io.micrometer.core.instrument.Tag;
/**
* {@link WebMvcTagsProvider} used for testing that can be configured to fail when getting
* tags or long task tags.
*
* @author Andy Wilkinson
*/
class FaultyWebMvcTagsProvider extends DefaultWebMvcTagsProvider {
private volatile AtomicBoolean fail = new AtomicBoolean(false);
FaultyWebMvcTagsProvider() {
super(true);
}
@Override
public Iterable<Tag> getTags(HttpServletRequest request, HttpServletResponse response, Object handler,
Throwable exception) {
if (this.fail.compareAndSet(true, false)) {
throw new RuntimeException();
}
return super.getTags(request, response, handler, exception);
}
@Override
public Iterable<Tag> getLongRequestTags(HttpServletRequest request, Object handler) {
if (this.fail.compareAndSet(true, false)) {
throw new RuntimeException();
}
return super.getLongRequestTags(request, handler);
}
void failOnce() {
this.fail.set(true);
}
}

36
spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/servlet/LongTaskTimingHandlerInterceptorTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2012-2019 the original author or authors.
* Copyright 2012-2021 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.
@@ -19,6 +19,7 @@ package org.springframework.boot.actuate.metrics.web.servlet;
import java.util.concurrent.Callable;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import io.micrometer.core.annotation.Timed;
@@ -76,6 +77,9 @@ class LongTaskTimingHandlerInterceptorTests {
@Autowired
private CyclicBarrier callableBarrier;
@Autowired
private FaultyWebMvcTagsProvider tagsProvider;
private MockMvc mvc;
@BeforeEach
@@ -117,6 +121,26 @@ class LongTaskTimingHandlerInterceptorTests {
.isEqualTo(0);
}
@Test
void whenMetricsRecordingFailsResponseIsUnaffected() throws Exception {
this.tagsProvider.failOnce();
AtomicReference<MvcResult> result = new AtomicReference<>();
Thread backgroundRequest = new Thread(() -> {
try {
result.set(
this.mvc.perform(get("/api/c1/callable/10")).andExpect(request().asyncStarted()).andReturn());
}
catch (Exception ex) {
fail("Failed to execute async request", ex);
}
});
backgroundRequest.start();
this.callableBarrier.await(10, TimeUnit.SECONDS);
this.callableBarrier.await(10, TimeUnit.SECONDS);
backgroundRequest.join();
this.mvc.perform(asyncDispatch(result.get())).andExpect(status().isOk());
}
@Configuration(proxyBeanMethods = false)
@EnableWebMvc
@Import(Controller1.class)
@@ -138,13 +162,17 @@ class LongTaskTimingHandlerInterceptorTests {
}
@Bean
WebMvcConfigurer handlerInterceptorConfigurer(MeterRegistry meterRegistry) {
FaultyWebMvcTagsProvider webMvcTagsProvider() {
return new FaultyWebMvcTagsProvider();
}
@Bean
WebMvcConfigurer handlerInterceptorConfigurer(MeterRegistry meterRegistry, WebMvcTagsProvider tagsProvider) {
return new WebMvcConfigurer() {
@Override
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor(
new LongTaskTimingHandlerInterceptor(meterRegistry, new DefaultWebMvcTagsProvider()));
registry.addInterceptor(new LongTaskTimingHandlerInterceptor(meterRegistry, tagsProvider));
}
};

20
spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/web/servlet/WebMvcMetricsFilterTests.java
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@@ -122,6 +122,9 @@ class WebMvcMetricsFilterTests {
@Qualifier("completableFutureBarrier")
private CyclicBarrier completableFutureBarrier;
@Autowired
private FaultyWebMvcTagsProvider tagsProvider;
@BeforeEach
void setupMockMvc() {
this.mvc = MockMvcBuilders.webAppContextSetup(this.context)
@@ -193,6 +196,12 @@ class WebMvcMetricsFilterTests {
.isEqualTo(1L);
}
@Test
void whenMetricsRecordingFailsResponseIsUnaffected() throws Exception {
this.tagsProvider.failOnce();
this.mvc.perform(get("/api/c1/10")).andExpect(status().isOk());
}
@Test
void anonymousError() {
try {
@@ -365,9 +374,14 @@ class WebMvcMetricsFilterTests {
}
@Bean
WebMvcMetricsFilter webMetricsFilter(MeterRegistry registry, WebApplicationContext ctx) {
return new WebMvcMetricsFilter(registry, new DefaultWebMvcTagsProvider(true), "http.server.requests",
AutoTimer.ENABLED);
WebMvcMetricsFilter webMetricsFilter(MeterRegistry registry, FaultyWebMvcTagsProvider tagsProvider,
WebApplicationContext ctx) {
return new WebMvcMetricsFilter(registry, tagsProvider, "http.server.requests", AutoTimer.ENABLED);
}
@Bean
FaultyWebMvcTagsProvider faultyWebMvcTagsProvider() {
return new FaultyWebMvcTagsProvider();
}
}