Log summary of web-exposed endpoints during startup

Closes gh-12442

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/endpoint/web/jersey/JerseyWebEndpointManagementContextConfiguration.java

@@ -33,7 +33,6 @@ import org.springframework.boot.actuate.endpoint.web.EndpointMapping;
 import org.springframework.boot.actuate.endpoint.web.EndpointMediaTypes;
 import org.springframework.boot.actuate.endpoint.web.ExposableWebEndpoint;
 import org.springframework.boot.actuate.endpoint.web.WebEndpointsSupplier;
-import org.springframework.boot.actuate.endpoint.web.annotation.ControllerEndpointsSupplier;
 import org.springframework.boot.actuate.endpoint.web.annotation.ServletEndpointsSupplier;
 import org.springframework.boot.actuate.endpoint.web.jersey.JerseyEndpointResourceFactory;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
@@ -76,7 +75,7 @@ class JerseyWebEndpointManagementContextConfiguration {
 			resourceConfig.registerResources(
 					new HashSet<>(resourceFactory.createEndpointResources(endpointMapping,
 							webEndpoints, endpointMediaTypes,
-							new EndpointLinksResolver(allEndpoints))));
+							new EndpointLinksResolver(allEndpoints, basePath))));
 		};
 	}
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/endpoint/web/reactive/WebFluxEndpointManagementContextConfiguration.java

@@ -72,7 +72,8 @@ public class WebFluxEndpointManagementContextConfiguration {
 		allEndpoints.addAll(controllerEndpointsSupplier.getEndpoints());
 		return new WebFluxEndpointHandlerMapping(endpointMapping, endpoints,
 				endpointMediaTypes, corsProperties.toCorsConfiguration(),
-				new EndpointLinksResolver(allEndpoints));
+				new EndpointLinksResolver(allEndpoints,
+						webEndpointProperties.getBasePath()));
 	}
 
 	@Bean

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/endpoint/web/servlet/WebMvcEndpointManagementContextConfiguration.java

@@ -75,7 +75,8 @@ public class WebMvcEndpointManagementContextConfiguration {
 				webEndpointProperties.getBasePath());
 		return new WebMvcEndpointHandlerMapping(endpointMapping, webEndpoints,
 				endpointMediaTypes, corsProperties.toCorsConfiguration(),
-				new EndpointLinksResolver(allEndpoints));
+				new EndpointLinksResolver(allEndpoints,
+						webEndpointProperties.getBasePath()));
 	}
 
 	@Bean

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/web/EndpointLinksResolver.java

@@ -20,6 +20,9 @@ import java.util.Collection;
 import java.util.LinkedHashMap;
 import java.util.Map;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
 import org.springframework.boot.actuate.endpoint.ExposableEndpoint;
 
 /**
@@ -30,12 +33,37 @@ import org.springframework.boot.actuate.endpoint.ExposableEndpoint;
  */
 public class EndpointLinksResolver {
 
+	private static final Log logger = LogFactory.getLog(EndpointLinksResolver.class);
+
 	private final Collection<? extends ExposableEndpoint<?>> endpoints;
 
+	/**
+	 * Creates a new {@code EndpointLinksResolver} that will resolve links to the given
+	 * {@code endpoints}.
+	 * @param endpoints the endpoints
+	 * @deprecated since 2.0.1 in favor of
+	 * {@link #EndpointLinksResolver(Collection, String)}
+	 */
+	@Deprecated
 	public EndpointLinksResolver(Collection<? extends ExposableEndpoint<?>> endpoints) {
 		this.endpoints = endpoints;
 	}
 
+	/**
+	 * Creates a new {@code EndpointLinksResolver} that will resolve links to the given
+	 * {@code endpoints} that are exposed beneath the given {@code basePath}.
+	 * @param endpoints the endpoints
+	 * @param basePath the basePath
+	 */
+	public EndpointLinksResolver(Collection<? extends ExposableEndpoint<?>> endpoints,
+			String basePath) {
+		this.endpoints = endpoints;
+		if (logger.isInfoEnabled()) {
+			logger.info("Exposing " + endpoints.size()
+					+ " endpoint(s) beneath base path '" + basePath + "'");
+		}
+	}
+
 	/**
 	 * Resolves links to the known endpoints based on a request with the given
 	 * {@code requestUrl}.