Merge pull request #19981 from babjo

* pr/19981:
  Polish "Stop time web metrics when autotime is disabled"
  Stop time web metrics when autotime is disabled

Closes gh-19981

Author: snicoll

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/web/TestController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -16,6 +16,8 @@
 
 package org.springframework.boot.actuate.autoconfigure.metrics.web;
 
+import io.micrometer.core.annotation.Timed;
+
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -24,6 +26,7 @@
  *
  * @author Dmytro Nosan
  * @author Stephane Nicoll
+ * @author Chanhyeong LEE
  */
 @RestController
 public class TestController {
@@ -43,4 +46,10 @@ public String test2() {
 		return "test2";
 	}
 
+	@Timed
+	@GetMapping("test3")
+	public String test3() {
+		return "test3";
+	}
+
 }

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/web/servlet/WebMvcMetricsAutoConfigurationTests.java

@@ -16,6 +16,7 @@
 
 package org.springframework.boot.actuate.autoconfigure.metrics.web.servlet;
 
+import java.util.Collection;
 import java.util.Collections;
 import java.util.EnumSet;
 
@@ -24,6 +25,7 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import io.micrometer.core.instrument.Meter;
 import io.micrometer.core.instrument.MeterRegistry;
 import io.micrometer.core.instrument.Tag;
 import io.micrometer.core.instrument.Timer;
@@ -64,12 +66,13 @@
  * @author Dmytro Nosan
  * @author Tadaya Tsuyukubo
  * @author Madhura Bhave
+ * @author Chanhyeong LEE
  */
 @ExtendWith(OutputCaptureExtension.class)
 class WebMvcMetricsAutoConfigurationTests {
 
-	private WebApplicationContextRunner contextRunner = new WebApplicationContextRunner().with(MetricsRun.simple())
-			.withConfiguration(AutoConfigurations.of(WebMvcMetricsAutoConfiguration.class));
+	private final WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()
+			.with(MetricsRun.simple()).withConfiguration(AutoConfigurations.of(WebMvcMetricsAutoConfiguration.class));
 
 	@Test
 	void backsOffWhenMeterRegistryIsMissing() {
@@ -157,6 +160,19 @@ void autoTimeRequestsCanBeConfigured() {
 				});
 	}
 
+	@Test
+	void timerWorksWithTimedAnnotationsWhenAutoTimeRequestsIsFalse() {
+		this.contextRunner.withUserConfiguration(TestController.class)
+				.withConfiguration(AutoConfigurations.of(MetricsAutoConfiguration.class, WebMvcAutoConfiguration.class))
+				.withPropertyValues("management.metrics.web.server.request.autotime.enabled=false").run((context) -> {
+					MeterRegistry registry = getInitializedMeterRegistry(context, "/test3");
+					Collection<Meter> meters = registry.get("http.server.requests").meters();
+					assertThat(meters).hasSize(1);
+					Meter meter = meters.iterator().next();
+					assertThat(meter.getId().getTag("uri")).isEqualTo("/test3");
+				});
+	}
+
 	@Test
 	@SuppressWarnings("rawtypes")
 	void longTaskTimingInterceptorIsRegistered() {
@@ -168,12 +184,17 @@ void longTaskTimingInterceptorIsRegistered() {
 	}
 
 	private MeterRegistry getInitializedMeterRegistry(AssertableWebApplicationContext context) throws Exception {
+		return getInitializedMeterRegistry(context, "/test0", "/test1", "/test2");
+	}
+
+	private MeterRegistry getInitializedMeterRegistry(AssertableWebApplicationContext context, String... urls)
+			throws Exception {
 		assertThat(context).hasSingleBean(FilterRegistrationBean.class);
 		Filter filter = context.getBean(FilterRegistrationBean.class).getFilter();
 		assertThat(filter).isInstanceOf(WebMvcMetricsFilter.class);
 		MockMvc mockMvc = MockMvcBuilders.webAppContextSetup(context).addFilters(filter).build();
-		for (int i = 0; i < 3; i++) {
-			mockMvc.perform(MockMvcRequestBuilders.get("/test" + i)).andExpect(status().isOk());
+		for (String url : urls) {
+			mockMvc.perform(MockMvcRequestBuilders.get(url)).andExpect(status().isOk());
 		}
 		return context.getBean(MeterRegistry.class);
 	}

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/web/servlet/WebMvcMetricsFilter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -48,6 +48,7 @@
  *
  * @author Jon Schneider
  * @author Phillip Webb
+ * @author Chanhyeong LEE
  * @since 2.0.0
  */
 public class WebMvcMetricsFilter extends OncePerRequestFilter {
@@ -139,13 +140,15 @@ private void record(TimingContext timingContext, HttpServletRequest request, Htt
 		Set<Timed> annotations = getTimedAnnotations(handler);
 		Timer.Sample timerSample = timingContext.getTimerSample();
 		if (annotations.isEmpty()) {
-			Builder builder = this.autoTimer.builder(this.metricName);
-			timerSample.stop(getTimer(builder, handler, request, response, exception));
-			return;
-		}
-		for (Timed annotation : annotations) {
-			Builder builder = Timer.builder(annotation, this.metricName);
-			timerSample.stop(getTimer(builder, handler, request, response, exception));
+			if (this.autoTimer.isEnabled()) {
+				Builder builder = this.autoTimer.builder(this.metricName);
+				timerSample.stop(getTimer(builder, handler, request, response, exception));
+			}
+		} else {
+			for (Timed annotation : annotations) {
+				Builder builder = Timer.builder(annotation, this.metricName);
+				timerSample.stop(getTimer(builder, handler, request, response, exception));
+			}
 		}
 	}