[GitHub] [skywalking-java] wu-sheng commented on a diff in pull request #369: Add MQ_TOPIC and MQ_BROKER tags for RocketMQ consumer's span

[GitBox <gi...@apache.org>]

wu-sheng commented on code in PR #369:
URL: https://github.com/apache/skywalking-java/pull/369#discussion_r1010022571


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apm-sniffer/apm-sdk-plugin/rocketMQ-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/rocketMQ/v4/AbstractMessageConsumeInterceptor.java:
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@@ -48,7 +50,12 @@ public final void beforeMethod(EnhancedInstance objInst, Method method, Object[]
         ContextCarrier contextCarrier = getContextCarrierFromMessage(msgs.get(0));
         AbstractSpan span = ContextManager.createEntrySpan(CONSUMER_OPERATION_NAME_PREFIX + msgs.get(0)
                                                                                                 .getTopic() + "/Consumer", contextCarrier);
-
+        Tags.MQ_TOPIC.set(span, msgs.get(0).getTopic());
+        if (msgs.get(0).getStoreHost() != null) {
+            String brokerAddress = msgs.get(0).getStoreHost().toString();
+            brokerAddress = StringUtils.removeStart(brokerAddress, "/");
+            Tags.MQ_BROKER.set(span, brokerAddress);

Review Comment:
   Peer should be set, otherwise your topology breaks.
   Check my posted issue and discussion.



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