Provide more detailed uri tag for calls to Data REST repositories

Closes gh-14872

Author: wilkinsona

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

@@ -24,6 +24,7 @@
 import org.springframework.http.HttpStatus;
 import org.springframework.util.StringUtils;
 import org.springframework.web.servlet.HandlerMapping;
+import org.springframework.web.util.pattern.PathPattern;
 
 /**
  * Factory methods for {@link Tag Tags} associated with a request-response exchange that
@@ -36,6 +37,8 @@
  */
 public final class WebMvcTags {
 
+	private static final String DATA_REST_PATH_PATTERN_ATTRIBUTE = "org.springframework.data.rest.webmvc.RepositoryRestHandlerMapping.EFFECTIVE_REPOSITORY_RESOURCE_LOOKUP_PATH";
+
 	private static final Tag URI_NOT_FOUND = Tag.of("uri", "NOT_FOUND");
 
 	private static final Tag URI_REDIRECTION = Tag.of("uri", "REDIRECTION");
@@ -119,6 +122,11 @@ private static HttpStatus extractStatus(HttpServletResponse response) {
 	}
 
 	private static String getMatchingPattern(HttpServletRequest request) {
+		PathPattern dataRestPathPattern = (PathPattern) request
+				.getAttribute(DATA_REST_PATH_PATTERN_ATTRIBUTE);
+		if (dataRestPathPattern != null) {
+			return dataRestPathPattern.getPatternString();
+		}
 		return (String) request
 				.getAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE);
 	}

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/web/servlet/WebMvcTagsTests.java

@@ -23,6 +23,7 @@
 import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.web.servlet.HandlerMapping;
+import org.springframework.web.util.pattern.PathPatternParser;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -38,6 +39,17 @@ public class WebMvcTagsTests {
 
 	private final MockHttpServletResponse response = new MockHttpServletResponse();
 
+	@Test
+	public void uriTagIsDataRestsEffectiveRepositoryLookupPathWhenAvailable() {
+		this.request.setAttribute(
+				"org.springframework.data.rest.webmvc.RepositoryRestHandlerMapping.EFFECTIVE_REPOSITORY_RESOURCE_LOOKUP_PATH",
+				new PathPatternParser().parse("/api/cities"));
+		this.request.setAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE,
+				"/api/{repository}");
+		Tag tag = WebMvcTags.uri(this.request, this.response);
+		assertThat(tag.getValue()).isEqualTo("/api/cities");
+	}
+
 	@Test
 	public void uriTagValueIsBestMatchingPatternWhenAvailable() {
 		this.request.setAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE,