We no longer set SA for peer.service

fixes #619

spring-cloud-sleuth-zipkin-stream/src/main/java/org/springframework/cloud/sleuth/zipkin/stream/ConvertToZipkinSpanList.java

@@ -15,9 +15,6 @@
  */
 package org.springframework.cloud.sleuth.zipkin.stream;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
 import org.apache.commons.logging.Log;
 import org.springframework.cloud.sleuth.Span;
 import org.springframework.cloud.sleuth.stream.Host;
@@ -29,6 +26,10 @@ import zipkin.Constants;
 import zipkin.Endpoint;
 import zipkin.Span.Builder;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 /**
  * This converts sleuth spans to zipkin ones, skipping invalid or unsampled.
  *
@@ -88,7 +89,7 @@ final class ConvertToZipkinSpanList {
 		ZipkinMessageListener.addZipkinAnnotations(zipkinSpan, span, ep);
 		ZipkinMessageListener.addZipkinBinaryAnnotations(zipkinSpan, span, ep);
 		if (hasClientSend(span)) {
-			ensureServerAddr(span, zipkinSpan, ep);
+			ensureServerAddr(span, zipkinSpan);
 		}
 		// In the RPC span model, the client owns the timestamp and duration of the span. If we
 		// were propagated an id, we can assume that we shouldn't report timestamp or duration,
@@ -129,10 +130,9 @@ final class ConvertToZipkinSpanList {
 				BinaryAnnotation.create(Constants.LOCAL_COMPONENT, processId, ep));
 	}
 
-	private static void ensureServerAddr(Span span, Builder zipkinSpan,
+	private static void ensureServerAddr(Span span, Builder zipkinSpan) {
-			Endpoint ep) {
 		if (span.tags().containsKey(Span.SPAN_PEER_SERVICE_TAG_NAME)) {
-			Endpoint endpoint = ep.toBuilder().serviceName(span.tags().get(
+			Endpoint endpoint = Endpoint.builder().serviceName(span.tags().get(
 					Span.SPAN_PEER_SERVICE_TAG_NAME)).build();
 			zipkinSpan.addBinaryAnnotation(
 					BinaryAnnotation.address(Constants.SERVER_ADDR, endpoint));

spring-cloud-sleuth-zipkin-stream/src/test/java/org/springframework/cloud/sleuth/zipkin/stream/ConvertToZipkinSpanListTests.java

@@ -15,15 +15,18 @@
  */
 package org.springframework.cloud.sleuth.zipkin.stream;
 
-import java.util.Arrays;
+import org.assertj.core.api.Condition;
-import java.util.Collections;
-import java.util.List;
-import java.util.Random;
 import org.junit.Test;
 import org.springframework.cloud.sleuth.Span;
 import org.springframework.cloud.sleuth.stream.Host;
 import org.springframework.cloud.sleuth.stream.Spans;
 import zipkin.Constants;
+import zipkin.Endpoint;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -86,8 +89,14 @@ public class ConvertToZipkinSpanListTests {
 				.hasSize(1)
 				.flatExtracting(input1 -> input1.binaryAnnotations)
 				.filteredOn("key", Constants.SERVER_ADDR)
-				.extracting(input -> input.endpoint.serviceName)
+				.extracting(input -> input.endpoint)
-				.contains("myservice");
+				.hasSize(1)
+				.has(new Condition<List<? extends Endpoint>>() {
+					@Override public boolean matches(List<? extends Endpoint> value) {
+						Endpoint endpoint = value.get(0);
+						return endpoint.serviceName.equals("myservice") && endpoint.ipv4 == 0;
+					}
+				});
 	}
 
 	@Test

spring-cloud-sleuth-zipkin/src/main/java/org/springframework/cloud/sleuth/zipkin/ZipkinSpanListener.java

@@ -16,6 +16,14 @@
 
 package org.springframework.cloud.sleuth.zipkin;
 
+import org.springframework.cloud.commons.util.IdUtils;
+import org.springframework.cloud.sleuth.Log;
+import org.springframework.cloud.sleuth.NoOpSpanAdjuster;
+import org.springframework.cloud.sleuth.Span;
+import org.springframework.cloud.sleuth.SpanAdjuster;
+import org.springframework.cloud.sleuth.SpanReporter;
+import org.springframework.core.env.Environment;
+import org.springframework.util.StringUtils;
 import zipkin.Annotation;
 import zipkin.BinaryAnnotation;
 import zipkin.Constants;
@@ -27,15 +35,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
-import org.springframework.cloud.commons.util.IdUtils;
-import org.springframework.cloud.sleuth.Log;
-import org.springframework.cloud.sleuth.NoOpSpanAdjuster;
-import org.springframework.cloud.sleuth.Span;
-import org.springframework.cloud.sleuth.SpanAdjuster;
-import org.springframework.cloud.sleuth.SpanReporter;
-import org.springframework.core.env.Environment;
-import org.springframework.util.StringUtils;
-
 /**
  * Listener of Sleuth events. Reports to Zipkin via {@link ZipkinSpanReporter}.
  *
@@ -149,10 +148,10 @@ public class ZipkinSpanListener implements SpanReporter {
 		zipkinSpan.addBinaryAnnotation(component);
 	}
 
-	private void ensureServerAddr(Span span, zipkin.Span.Builder zipkinSpan, Endpoint localEndpoint) {
+	private void ensureServerAddr(Span span, zipkin.Span.Builder zipkinSpan) {
 		if (span.tags().containsKey(Span.SPAN_PEER_SERVICE_TAG_NAME)) {
 			zipkinSpan.addBinaryAnnotation(BinaryAnnotation.address(Constants.SERVER_ADDR,
-					localEndpoint.toBuilder().serviceName(
+					Endpoint.builder().serviceName(
 							span.tags().get(Span.SPAN_PEER_SERVICE_TAG_NAME)).build()));
 		}
 	}
@@ -178,7 +177,7 @@ public class ZipkinSpanListener implements SpanReporter {
 			ensureLocalComponent(span, zipkinSpan, endpoint);
 		}
 		if (hasClientSend) {
-			ensureServerAddr(span, zipkinSpan, endpoint);
+			ensureServerAddr(span, zipkinSpan);
 		}
 		if (instanceIdToTag && this.environment != null) {
 			setInstanceIdIfPresent(zipkinSpan, endpoint, Span.INSTANCEID);

spring-cloud-sleuth-zipkin/src/test/java/org/springframework/cloud/sleuth/zipkin/ZipkinSpanListenerTests.java

@@ -16,6 +16,7 @@
 
 package org.springframework.cloud.sleuth.zipkin;
 
+import org.assertj.core.api.Condition;
 import zipkin.Constants;
 
 import java.util.ArrayList;
@@ -41,6 +42,7 @@ import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
 import org.springframework.mock.env.MockEnvironment;
 import org.springframework.test.context.junit4.SpringRunner;
+import zipkin.Endpoint;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
@@ -219,7 +221,14 @@ public class ZipkinSpanListenerTests {
 
 		assertThat(result.binaryAnnotations)
 				.filteredOn("key", Constants.SERVER_ADDR)
-				.isNotEmpty();
+				.extracting(input -> input.endpoint)
+				.hasSize(1)
+				.has(new Condition<List<? extends Endpoint>>() {
+					@Override public boolean matches(List<? extends Endpoint> value) {
+						Endpoint endpoint = value.get(0);
+						return endpoint.serviceName.equals("fooservice") && endpoint.ipv4 == 0;
+					}
+				});
 	}
 
 	@Test