Align gateway endpoint closer to spring boot 2.0

spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/actuate/GatewayWebfluxEndpoint.java

@@ -50,13 +50,11 @@ import reactor.core.publisher.Mono;
 /**
  * @author Spencer Gibb
  */
-//TODO: move to new Spring Boot 2.0 actuator when ready
-//@ConfigurationProperties(prefix = "endpoints.gateway")
 @RestController
-@RequestMapping("/admin/gateway")
-public class GatewayEndpoint implements ApplicationEventPublisherAware {/*extends AbstractEndpoint<Map<String, Object>> {*/
+@RequestMapping("${management.context-path:/application}/gateway")
+public class GatewayWebfluxEndpoint implements ApplicationEventPublisherAware {
 
-	private static final Log log = LogFactory.getLog(GatewayEndpoint.class);
+	private static final Log log = LogFactory.getLog(GatewayWebfluxEndpoint.class);
 
 	private RouteDefinitionLocator routeDefinitionLocator;
 	private List<GlobalFilter> globalFilters;
@@ -65,10 +63,9 @@ public class GatewayEndpoint implements ApplicationEventPublisherAware {/*extend
 	private RouteLocator routeLocator;
 	private ApplicationEventPublisher publisher;
 
-	public GatewayEndpoint(RouteDefinitionLocator routeDefinitionLocator, List<GlobalFilter> globalFilters,
-						   List<WebFilterFactory> webFilterFactories, RouteDefinitionWriter routeDefinitionWriter,
-						   RouteLocator routeLocator) {
-		//super("gateway");
+	public GatewayWebfluxEndpoint(RouteDefinitionLocator routeDefinitionLocator, List<GlobalFilter> globalFilters,
+								  List<WebFilterFactory> webFilterFactories, RouteDefinitionWriter routeDefinitionWriter,
+								  RouteLocator routeLocator) {
 		this.routeDefinitionLocator = routeDefinitionLocator;
 		this.globalFilters = globalFilters;
 		this.webFilterFactories = webFilterFactories;
@@ -81,10 +78,6 @@ public class GatewayEndpoint implements ApplicationEventPublisherAware {/*extend
 		this.publisher = publisher;
 	}
 
-	/*@Override
-	public Map<String, Object> invoke() {
-	}*/
-
 	// TODO: Add uncommited or new but not active routes endpoint
 
 	//TODO: this should really be a listener that responds to a RefreshEvent
@@ -119,6 +112,7 @@ public class GatewayEndpoint implements ApplicationEventPublisherAware {/*extend
 		return filters;
 	}
 
+	// TODO: Add support for RouteLocator
 	@GetMapping("/routes")
 	public Mono<List<RouteDefinition>> routes() {
 		return this.routeDefinitionLocator.getRouteDefinitions().collectList();

spring-cloud-gateway-core/src/main/java/org/springframework/cloud/gateway/config/GatewayAutoConfiguration.java

@@ -21,6 +21,7 @@ import java.util.List;
 import java.util.function.Consumer;
 
 import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.boot.actuate.autoconfigure.web.ManagementContextConfiguration;
 import org.springframework.boot.actuate.health.Health;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.AutoConfigureBefore;
@@ -30,7 +31,7 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.autoconfigure.web.reactive.HttpHandlerAutoConfiguration;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
-import org.springframework.cloud.gateway.actuate.GatewayEndpoint;
+import org.springframework.cloud.gateway.actuate.GatewayWebfluxEndpoint;
 import org.springframework.cloud.gateway.filter.ForwardRoutingFilter;
 import org.springframework.cloud.gateway.filter.GlobalFilter;
 import org.springframework.cloud.gateway.filter.NettyRoutingFilter;
@@ -370,15 +371,16 @@ public class GatewayAutoConfiguration {
 	}
 
 
-	@Configuration
+	@ManagementContextConfiguration
+	@ConditionalOnProperty(value = "management.gateway.enabled", matchIfMissing = true)
 	@ConditionalOnClass(Health.class)
 	protected static class GatewayActuatorConfiguration {
 
 		@Bean
-		public GatewayEndpoint gatewayEndpoint(RouteDefinitionLocator routeDefinitionLocator, List<GlobalFilter> globalFilters,
-											   List<WebFilterFactory> webFilterFactories, RouteDefinitionWriter routeDefinitionWriter,
-											   RouteLocator routeLocator) {
-			return new GatewayEndpoint(routeDefinitionLocator, globalFilters, webFilterFactories, routeDefinitionWriter, routeLocator);
+		public GatewayWebfluxEndpoint gatewayWebfluxEndpoint(RouteDefinitionLocator routeDefinitionLocator, List<GlobalFilter> globalFilters,
+													  List<WebFilterFactory> webFilterFactories, RouteDefinitionWriter routeDefinitionWriter,
+													  RouteLocator routeLocator) {
+			return new GatewayWebfluxEndpoint(routeDefinitionLocator, globalFilters, webFilterFactories, routeDefinitionWriter, routeLocator);
 		}
 	}