Commit 0625443d authored by Stephane Nicoll's avatar Stephane Nicoll

Polish "Limit metrics collection of incoming requests"

Closes gh-14173
parent 81a67019
...@@ -30,6 +30,7 @@ import org.springframework.util.Assert; ...@@ -30,6 +30,7 @@ import org.springframework.util.Assert;
/** /**
* {@link MeterFilter} to log only once a warning message and deny {@link Meter.Id}. * {@link MeterFilter} to log only once a warning message and deny {@link Meter.Id}.
* *
* @author Jon Schneider
* @author Dmytro Nosan * @author Dmytro Nosan
* @since 2.0.5 * @since 2.0.5
*/ */
......
...@@ -52,6 +52,12 @@ import org.springframework.web.client.RestTemplate; ...@@ -52,6 +52,12 @@ import org.springframework.web.client.RestTemplate;
@ConditionalOnBean(MeterRegistry.class) @ConditionalOnBean(MeterRegistry.class)
public class RestTemplateMetricsAutoConfiguration { public class RestTemplateMetricsAutoConfiguration {
private final MetricsProperties properties;
public RestTemplateMetricsAutoConfiguration(MetricsProperties properties) {
this.properties = properties;
}
@Bean @Bean
@ConditionalOnMissingBean(RestTemplateExchangeTagsProvider.class) @ConditionalOnMissingBean(RestTemplateExchangeTagsProvider.class)
public DefaultRestTemplateExchangeTagsProvider restTemplateTagConfigurer() { public DefaultRestTemplateExchangeTagsProvider restTemplateTagConfigurer() {
...@@ -61,22 +67,20 @@ public class RestTemplateMetricsAutoConfiguration { ...@@ -61,22 +67,20 @@ public class RestTemplateMetricsAutoConfiguration {
@Bean @Bean
public MetricsRestTemplateCustomizer metricsRestTemplateCustomizer( public MetricsRestTemplateCustomizer metricsRestTemplateCustomizer(
MeterRegistry meterRegistry, MeterRegistry meterRegistry,
RestTemplateExchangeTagsProvider restTemplateTagConfigurer, RestTemplateExchangeTagsProvider restTemplateTagConfigurer) {
MetricsProperties properties) {
return new MetricsRestTemplateCustomizer(meterRegistry, restTemplateTagConfigurer, return new MetricsRestTemplateCustomizer(meterRegistry, restTemplateTagConfigurer,
properties.getWeb().getClient().getRequestsMetricName()); this.properties.getWeb().getClient().getRequestsMetricName());
} }
@Bean @Bean
@Order(0) @Order(0)
public MeterFilter metricsWebClientUriTagFilter(MetricsProperties properties) { public MeterFilter metricsWebClientUriTagFilter() {
String metricName = properties.getWeb().getClient().getRequestsMetricName(); String metricName = this.properties.getWeb().getClient().getRequestsMetricName();
MeterFilter denyFilter = new OnlyOnceLoggingDenyMeterFilter(() -> String.format( MeterFilter denyFilter = new OnlyOnceLoggingDenyMeterFilter(() -> String
"Reached the maximum number of URI tags for '%s'. " .format("Reached the maximum number of URI tags for '%s'. Are you using "
+ "Are you using uriVariables on RestTemplate calls?", + "'uriVariables' on RestTemplate calls?", metricName));
metricName));
return MeterFilter.maximumAllowableTags(metricName, "uri", return MeterFilter.maximumAllowableTags(metricName, "uri",
properties.getWeb().getClient().getMaxUriTags(), denyFilter); this.properties.getWeb().getClient().getMaxUriTags(), denyFilter);
} }
} }
...@@ -50,6 +50,12 @@ import org.springframework.core.annotation.Order; ...@@ -50,6 +50,12 @@ import org.springframework.core.annotation.Order;
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.REACTIVE) @ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.REACTIVE)
public class WebFluxMetricsAutoConfiguration { public class WebFluxMetricsAutoConfiguration {
private final MetricsProperties properties;
public WebFluxMetricsAutoConfiguration(MetricsProperties properties) {
this.properties = properties;
}
@Bean @Bean
@ConditionalOnMissingBean(WebFluxTagsProvider.class) @ConditionalOnMissingBean(WebFluxTagsProvider.class)
public DefaultWebFluxTagsProvider webfluxTagConfigurer() { public DefaultWebFluxTagsProvider webfluxTagConfigurer() {
...@@ -58,19 +64,19 @@ public class WebFluxMetricsAutoConfiguration { ...@@ -58,19 +64,19 @@ public class WebFluxMetricsAutoConfiguration {
@Bean @Bean
public MetricsWebFilter webfluxMetrics(MeterRegistry registry, public MetricsWebFilter webfluxMetrics(MeterRegistry registry,
WebFluxTagsProvider tagConfigurer, MetricsProperties properties) { WebFluxTagsProvider tagConfigurer) {
return new MetricsWebFilter(registry, tagConfigurer, return new MetricsWebFilter(registry, tagConfigurer,
properties.getWeb().getServer().getRequestsMetricName()); this.properties.getWeb().getServer().getRequestsMetricName());
} }
@Bean @Bean
@Order(0) @Order(0)
public MeterFilter metricsHttpServerUriTagFilter(MetricsProperties properties) { public MeterFilter metricsHttpServerUriTagFilter() {
String metricName = properties.getWeb().getServer().getRequestsMetricName(); String metricName = this.properties.getWeb().getServer().getRequestsMetricName();
MeterFilter filter = new OnlyOnceLoggingDenyMeterFilter(() -> String MeterFilter filter = new OnlyOnceLoggingDenyMeterFilter(() -> String
.format("Reached the maximum number of URI tags for '%s'.", metricName)); .format("Reached the maximum number of URI tags for '%s'.", metricName));
return MeterFilter.maximumAllowableTags(metricName, "uri", return MeterFilter.maximumAllowableTags(metricName, "uri",
properties.getWeb().getServer().getMaxUriTags(), filter); this.properties.getWeb().getServer().getMaxUriTags(), filter);
} }
} }
...@@ -61,6 +61,12 @@ import org.springframework.web.servlet.DispatcherServlet; ...@@ -61,6 +61,12 @@ import org.springframework.web.servlet.DispatcherServlet;
@EnableConfigurationProperties(MetricsProperties.class) @EnableConfigurationProperties(MetricsProperties.class)
public class WebMvcMetricsAutoConfiguration { public class WebMvcMetricsAutoConfiguration {
private final MetricsProperties properties;
public WebMvcMetricsAutoConfiguration(MetricsProperties properties) {
this.properties = properties;
}
@Bean @Bean
@ConditionalOnMissingBean(WebMvcTagsProvider.class) @ConditionalOnMissingBean(WebMvcTagsProvider.class)
public DefaultWebMvcTagsProvider webMvcTagsProvider() { public DefaultWebMvcTagsProvider webMvcTagsProvider() {
...@@ -69,9 +75,9 @@ public class WebMvcMetricsAutoConfiguration { ...@@ -69,9 +75,9 @@ public class WebMvcMetricsAutoConfiguration {
@Bean @Bean
public FilterRegistrationBean<WebMvcMetricsFilter> webMvcMetricsFilter( public FilterRegistrationBean<WebMvcMetricsFilter> webMvcMetricsFilter(
MeterRegistry registry, MetricsProperties properties, MeterRegistry registry, WebMvcTagsProvider tagsProvider,
WebMvcTagsProvider tagsProvider, WebApplicationContext context) { WebApplicationContext context) {
Server serverProperties = properties.getWeb().getServer(); Server serverProperties = this.properties.getWeb().getServer();
WebMvcMetricsFilter filter = new WebMvcMetricsFilter(context, registry, WebMvcMetricsFilter filter = new WebMvcMetricsFilter(context, registry,
tagsProvider, serverProperties.getRequestsMetricName(), tagsProvider, serverProperties.getRequestsMetricName(),
serverProperties.isAutoTimeRequests()); serverProperties.isAutoTimeRequests());
...@@ -84,12 +90,12 @@ public class WebMvcMetricsAutoConfiguration { ...@@ -84,12 +90,12 @@ public class WebMvcMetricsAutoConfiguration {
@Bean @Bean
@Order(0) @Order(0)
public MeterFilter metricsHttpServerUriTagFilter(MetricsProperties properties) { public MeterFilter metricsHttpServerUriTagFilter() {
String metricName = properties.getWeb().getServer().getRequestsMetricName(); String metricName = this.properties.getWeb().getServer().getRequestsMetricName();
MeterFilter filter = new OnlyOnceLoggingDenyMeterFilter(() -> String MeterFilter filter = new OnlyOnceLoggingDenyMeterFilter(() -> String
.format("Reached the maximum number of URI tags for '%s'.", metricName)); .format("Reached the maximum number of URI tags for '%s'.", metricName));
return MeterFilter.maximumAllowableTags(metricName, "uri", return MeterFilter.maximumAllowableTags(metricName, "uri",
properties.getWeb().getServer().getMaxUriTags(), filter); this.properties.getWeb().getServer().getMaxUriTags(), filter);
} }
} }
/*
* Copyright 2012-2018 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.boot.actuate.autoconfigure.metrics.web;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
/**
* Test controller used by metrics tests.
*
* @author Dmytro Nosan
* @author Stephane Nicoll
*/
@RestController
public class TestController {
@GetMapping("test0")
public String test0() {
return "test0";
}
@GetMapping("test1")
public String test1() {
return "test1";
}
@GetMapping("test2")
public String test2() {
return "test2";
}
}
...@@ -20,11 +20,11 @@ import io.micrometer.core.instrument.MeterRegistry; ...@@ -20,11 +20,11 @@ import io.micrometer.core.instrument.MeterRegistry;
import org.junit.Rule; import org.junit.Rule;
import org.junit.Test; import org.junit.Test;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsProperties;
import org.springframework.boot.actuate.autoconfigure.metrics.test.MetricsRun; import org.springframework.boot.actuate.autoconfigure.metrics.test.MetricsRun;
import org.springframework.boot.actuate.metrics.web.client.MetricsRestTemplateCustomizer; import org.springframework.boot.actuate.metrics.web.client.MetricsRestTemplateCustomizer;
import org.springframework.boot.autoconfigure.AutoConfigurations; import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.autoconfigure.web.client.RestTemplateAutoConfiguration; import org.springframework.boot.autoconfigure.web.client.RestTemplateAutoConfiguration;
import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
import org.springframework.boot.test.context.runner.ApplicationContextRunner; import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.boot.test.rule.OutputCapture; import org.springframework.boot.test.rule.OutputCapture;
import org.springframework.boot.web.client.RestTemplateBuilder; import org.springframework.boot.web.client.RestTemplateBuilder;
...@@ -76,31 +76,45 @@ public class RestTemplateMetricsAutoConfigurationTests { ...@@ -76,31 +76,45 @@ public class RestTemplateMetricsAutoConfigurationTests {
@Test @Test
public void afterMaxUrisReachedFurtherUrisAreDenied() { public void afterMaxUrisReachedFurtherUrisAreDenied() {
this.contextRunner this.contextRunner
.withPropertyValues("management.metrics.web.client.max-uri-tags=10") .withPropertyValues("management.metrics.web.client.max-uri-tags=2")
.run((context) -> { .run((context) -> {
MetricsProperties properties = context MeterRegistry registry = getInitializedMeterRegistry(context);
.getBean(MetricsProperties.class); assertThat(registry.get("http.client.requests").meters()).hasSize(2);
int maxUriTags = properties.getWeb().getClient().getMaxUriTags(); assertThat(this.out.toString()).contains(
MeterRegistry registry = context.getBean(MeterRegistry.class); "Reached the maximum number of URI tags for 'http.client.requests'.");
RestTemplate restTemplate = context.getBean(RestTemplateBuilder.class) assertThat(this.out.toString()).contains(
.build(); "Are you using 'uriVariables' on RestTemplate calls?");
MockRestServiceServer server = MockRestServiceServer
.createServer(restTemplate);
for (int i = 0; i < maxUriTags + 10; i++) {
server.expect(requestTo("/test/" + i))
.andRespond(withStatus(HttpStatus.OK));
}
for (int i = 0; i < maxUriTags + 10; i++) {
restTemplate.getForObject("/test/" + i, String.class);
}
assertThat(registry.get("http.client.requests").meters())
.hasSize(maxUriTags);
assertThat(this.out.toString())
.contains("Reached the maximum number of URI tags "
+ "for 'http.client.requests'. Are you using uriVariables on RestTemplate calls?");
}); });
} }
@Test
public void shouldNotDenyNorLogIfMaxUrisIsNotReached() {
this.contextRunner
.withPropertyValues("management.metrics.web.client.max-uri-tags=5")
.run((context) -> {
MeterRegistry registry = getInitializedMeterRegistry(context);
assertThat(registry.get("http.client.requests").meters()).hasSize(3);
assertThat(this.out.toString()).doesNotContain(
"Reached the maximum number of URI tags for 'http.client.requests'.");
assertThat(this.out.toString()).doesNotContain(
"Are you using 'uriVariables' on RestTemplate calls?");
});
}
private MeterRegistry getInitializedMeterRegistry(
AssertableApplicationContext context) {
MeterRegistry registry = context.getBean(MeterRegistry.class);
RestTemplate restTemplate = context.getBean(RestTemplateBuilder.class).build();
MockRestServiceServer server = MockRestServiceServer.createServer(restTemplate);
for (int i = 0; i < 3; i++) {
server.expect(requestTo("/test/" + i)).andRespond(withStatus(HttpStatus.OK));
}
for (int i = 0; i < 3; i++) {
restTemplate.getForObject("/test/" + i, String.class);
}
return registry;
}
private void validateRestTemplate(RestTemplate restTemplate, MeterRegistry registry) { private void validateRestTemplate(RestTemplate restTemplate, MeterRegistry registry) {
MockRestServiceServer server = MockRestServiceServer.createServer(restTemplate); MockRestServiceServer server = MockRestServiceServer.createServer(restTemplate);
server.expect(requestTo("/test")).andRespond(withStatus(HttpStatus.OK)); server.expect(requestTo("/test")).andRespond(withStatus(HttpStatus.OK));
......
...@@ -19,22 +19,21 @@ package org.springframework.boot.actuate.autoconfigure.metrics.web.reactive; ...@@ -19,22 +19,21 @@ package org.springframework.boot.actuate.autoconfigure.metrics.web.reactive;
import io.micrometer.core.instrument.MeterRegistry; import io.micrometer.core.instrument.MeterRegistry;
import org.junit.Rule; import org.junit.Rule;
import org.junit.Test; import org.junit.Test;
import reactor.core.publisher.Mono;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsAutoConfiguration; import org.springframework.boot.actuate.autoconfigure.metrics.MetricsAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.metrics.export.simple.SimpleMetricsExportAutoConfiguration; import org.springframework.boot.actuate.autoconfigure.metrics.export.simple.SimpleMetricsExportAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.metrics.web.TestController;
import org.springframework.boot.actuate.metrics.web.reactive.server.DefaultWebFluxTagsProvider; import org.springframework.boot.actuate.metrics.web.reactive.server.DefaultWebFluxTagsProvider;
import org.springframework.boot.actuate.metrics.web.reactive.server.MetricsWebFilter; import org.springframework.boot.actuate.metrics.web.reactive.server.MetricsWebFilter;
import org.springframework.boot.actuate.metrics.web.reactive.server.WebFluxTagsProvider; import org.springframework.boot.actuate.metrics.web.reactive.server.WebFluxTagsProvider;
import org.springframework.boot.autoconfigure.AutoConfigurations; import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfiguration; import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfiguration;
import org.springframework.boot.test.context.assertj.AssertableReactiveWebApplicationContext;
import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner; import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
import org.springframework.boot.test.rule.OutputCapture; import org.springframework.boot.test.rule.OutputCapture;
import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Configuration;
import org.springframework.test.web.reactive.server.WebTestClient; import org.springframework.test.web.reactive.server.WebTestClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import static org.assertj.core.api.Assertions.assertThat; import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock; import static org.mockito.Mockito.mock;
...@@ -77,14 +76,7 @@ public class WebFluxMetricsAutoConfigurationTests { ...@@ -77,14 +76,7 @@ public class WebFluxMetricsAutoConfigurationTests {
.withUserConfiguration(TestController.class) .withUserConfiguration(TestController.class)
.withPropertyValues("management.metrics.web.server.max-uri-tags=2") .withPropertyValues("management.metrics.web.server.max-uri-tags=2")
.run((context) -> { .run((context) -> {
WebTestClient webTestClient = WebTestClient MeterRegistry registry = getInitializedMeterRegistry(context);
.bindToApplicationContext(context).build();
for (int i = 0; i < 3; i++) {
webTestClient.get().uri("/test" + i).exchange().expectStatus()
.isOk();
}
MeterRegistry registry = context.getBean(MeterRegistry.class);
assertThat(registry.get("http.server.requests").meters()).hasSize(2); assertThat(registry.get("http.server.requests").meters()).hasSize(2);
assertThat(this.output.toString()) assertThat(this.output.toString())
.contains("Reached the maximum number of URI tags " .contains("Reached the maximum number of URI tags "
...@@ -92,6 +84,30 @@ public class WebFluxMetricsAutoConfigurationTests { ...@@ -92,6 +84,30 @@ public class WebFluxMetricsAutoConfigurationTests {
}); });
} }
@Test
public void shouldNotDenyNorLogIfMaxUrisIsNotReached() {
this.contextRunner
.withConfiguration(AutoConfigurations.of(WebFluxAutoConfiguration.class))
.withUserConfiguration(TestController.class)
.withPropertyValues("management.metrics.web.server.max-uri-tags=5")
.run((context) -> {
MeterRegistry registry = getInitializedMeterRegistry(context);
assertThat(registry.get("http.server.requests").meters()).hasSize(3);
assertThat(this.output.toString()).doesNotContain(
"Reached the maximum number of URI tags for 'http.server.requests'");
});
}
private MeterRegistry getInitializedMeterRegistry(
AssertableReactiveWebApplicationContext context) {
WebTestClient webTestClient = WebTestClient.bindToApplicationContext(context)
.build();
for (int i = 0; i < 3; i++) {
webTestClient.get().uri("/test" + i).exchange().expectStatus().isOk();
}
return context.getBean(MeterRegistry.class);
}
@Configuration @Configuration
protected static class CustomWebFluxTagsProviderConfig { protected static class CustomWebFluxTagsProviderConfig {
...@@ -102,24 +118,4 @@ public class WebFluxMetricsAutoConfigurationTests { ...@@ -102,24 +118,4 @@ public class WebFluxMetricsAutoConfigurationTests {
} }
@RestController
static class TestController {
@GetMapping("test0")
public Mono<String> test0() {
return Mono.just("test0");
}
@GetMapping("test1")
public Mono<String> test1() {
return Mono.just("test1");
}
@GetMapping("test2")
public Mono<String> test2() {
return Mono.just("test2");
}
}
} }
...@@ -14,7 +14,7 @@ ...@@ -14,7 +14,7 @@
* limitations under the License. * limitations under the License.
*/ */
package org.springframework.boot.actuate.autoconfigure.web.servlet; package org.springframework.boot.actuate.autoconfigure.metrics.web.servlet;
import java.util.Collections; import java.util.Collections;
import java.util.EnumSet; import java.util.EnumSet;
...@@ -31,12 +31,13 @@ import org.junit.Rule; ...@@ -31,12 +31,13 @@ import org.junit.Rule;
import org.junit.Test; import org.junit.Test;
import org.springframework.boot.actuate.autoconfigure.metrics.MetricsAutoConfiguration; import org.springframework.boot.actuate.autoconfigure.metrics.MetricsAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.metrics.web.servlet.WebMvcMetricsAutoConfiguration; import org.springframework.boot.actuate.autoconfigure.metrics.web.TestController;
import org.springframework.boot.actuate.metrics.web.servlet.DefaultWebMvcTagsProvider; import org.springframework.boot.actuate.metrics.web.servlet.DefaultWebMvcTagsProvider;
import org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter; import org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter;
import org.springframework.boot.actuate.metrics.web.servlet.WebMvcTagsProvider; import org.springframework.boot.actuate.metrics.web.servlet.WebMvcTagsProvider;
import org.springframework.boot.autoconfigure.AutoConfigurations; import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration; import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
import org.springframework.boot.test.context.assertj.AssertableWebApplicationContext;
import org.springframework.boot.test.context.runner.WebApplicationContextRunner; import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
import org.springframework.boot.test.rule.OutputCapture; import org.springframework.boot.test.rule.OutputCapture;
import org.springframework.boot.web.servlet.FilterRegistrationBean; import org.springframework.boot.web.servlet.FilterRegistrationBean;
...@@ -46,8 +47,6 @@ import org.springframework.core.Ordered; ...@@ -46,8 +47,6 @@ import org.springframework.core.Ordered;
import org.springframework.test.web.servlet.MockMvc; import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders; import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.setup.MockMvcBuilders; import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import static org.assertj.core.api.Assertions.assertThat; import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status; import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
...@@ -116,21 +115,7 @@ public class WebMvcMetricsAutoConfigurationTests { ...@@ -116,21 +115,7 @@ public class WebMvcMetricsAutoConfigurationTests {
WebMvcAutoConfiguration.class)) WebMvcAutoConfiguration.class))
.withPropertyValues("management.metrics.web.server.max-uri-tags=2") .withPropertyValues("management.metrics.web.server.max-uri-tags=2")
.run((context) -> { .run((context) -> {
MeterRegistry registry = getInitializedMeterRegistry(context);
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());
}
MeterRegistry registry = context.getBean(MeterRegistry.class);
assertThat(registry.get("http.server.requests").meters()).hasSize(2); assertThat(registry.get("http.server.requests").meters()).hasSize(2);
assertThat(this.output.toString()) assertThat(this.output.toString())
.contains("Reached the maximum number of URI tags " .contains("Reached the maximum number of URI tags "
...@@ -138,6 +123,37 @@ public class WebMvcMetricsAutoConfigurationTests { ...@@ -138,6 +123,37 @@ public class WebMvcMetricsAutoConfigurationTests {
}); });
} }
@Test
public void shouldNotDenyNorLogIfMaxUrisIsNotReached() {
this.contextRunner
.withUserConfiguration(TestController.class,
MeterRegistryConfiguration.class)
.withConfiguration(AutoConfigurations.of(MetricsAutoConfiguration.class,
WebMvcAutoConfiguration.class))
.withPropertyValues("management.metrics.web.server.max-uri-tags=5")
.run((context) -> {
MeterRegistry registry = getInitializedMeterRegistry(context);
assertThat(registry.get("http.server.requests").meters()).hasSize(3);
assertThat(this.output.toString())
.doesNotContain("Reached the maximum number of URI tags "
+ "for 'http.server.requests'");
});
}
private MeterRegistry getInitializedMeterRegistry(
AssertableWebApplicationContext context) 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());
}
return context.getBean(MeterRegistry.class);
}
@Configuration @Configuration
static class MeterRegistryConfiguration { static class MeterRegistryConfiguration {
...@@ -174,24 +190,4 @@ public class WebMvcMetricsAutoConfigurationTests { ...@@ -174,24 +190,4 @@ public class WebMvcMetricsAutoConfigurationTests {
} }
@RestController
static class TestController {
@GetMapping("test0")
public String test0() {
return "test0";
}
@GetMapping("test1")
public String test1() {
return "test1";
}
@GetMapping("test2")
public String test2() {
return "test2";
}
}
} }
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