Add request path to span name

docs/src/main/asciidoc/README.adoc

@@ -10,10 +10,10 @@ include::intro.adoc[]
 
 == Running the sample
 
-1. Run [Zipkin](https://github.com/openzipkin/zipkin), e.g. via the docker images at [Zipkin Docker](https://github.com/openzipkin/zipkin-docker)
+1. Run [Zipkin](https://github.com/openzipkin/zipkin), e.g. via docker compose (there's a `docker-compose.yml` in [Spring Cloud Sleuth](https://github.com/spring-cloud-incubator/spring-cloud-sleuth), or in [Docker Zipkin](https://github.com/openzipkin/docker-zipkin)
 7. Run sample application
 8. Hit `http://localhost:3380`
-9. Goto `http://localhost:8080` for zipkin web
+9. Goto `http://localhost:8082` for zipkin web
 
 == Building
 

spring-cloud-sleuth-core/src/main/java/org/springframework/cloud/sleuth/instrument/web/TraceFilter.java

@@ -33,6 +33,7 @@ import org.springframework.cloud.sleuth.TraceScope;
 import org.springframework.core.Ordered;
 import org.springframework.core.annotation.Order;
 import org.springframework.web.filter.OncePerRequestFilter;
+import org.springframework.web.util.UrlPathHelper;
 
 /**
  * Filter that takes the value of the {@link Trace#SPAN_ID_NAME} and
@@ -54,6 +55,7 @@ public class TraceFilter extends OncePerRequestFilter {
 
 	private final Trace trace;
 	private final Pattern skipPattern;
+	private UrlPathHelper urlPathHelper = new UrlPathHelper();
 
 	public TraceFilter(Trace trace) {
 		this.trace = trace;
@@ -77,17 +79,18 @@ public class TraceFilter extends OncePerRequestFilter {
 		if (!skip) {
 			String spanId = getHeader(request, response, SPAN_ID_NAME);
 			String traceId = getHeader(request, response, TRACE_ID_NAME);
+			String name = "traceFilter" + this.urlPathHelper.getPathWithinApplication(request);
 			if (hasText(spanId) && hasText(traceId)) {
 
 				TraceInfo traceInfo = new TraceInfo(traceId, spanId);
 				// TODO: trace description?
-				traceScope = this.trace.startSpan("traceFilter", traceInfo);
+				traceScope = this.trace.startSpan(name, traceInfo);
 				// Send new span id back
 				addToResponseIfNotPresent(response, SPAN_ID_NAME, traceScope.getSpan()
 						.getSpanId());
 			}
 			else {
-				traceScope = this.trace.startSpan("traceFilter");
+				traceScope = this.trace.startSpan(name);
 			}
 		}
 

spring-cloud-sleuth-zipkin/docker-compose.yml

@@ -0,0 +1,22 @@
+cassandra:
+  image: itszero/zipkin-cassandra
+collector:
+  image: itszero/zipkin-collector
+  expose:
+    - 9410
+  ports:
+    - 9410:9410
+  links:
+    - cassandra:db
+query:
+  image: itszero/zipkin-query
+  expose:
+    - 9411
+  links:
+    - cassandra:db
+web:
+  image: itszero/zipkin-web
+  links:
+    - query
+  ports:
+    - 8082:8080