HBASE-25481 Add host and port attribute when tracing rpc call at client side (#2857)

Signed-off-by: Guanghao Zhang <zghao@apache.org>

Author: Apache9

hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/AbstractRpcClient.java

@@ -397,7 +397,9 @@ private Call callMethod(final Descriptors.MethodDescriptor md, final HBaseRpcCon
     final RpcCallback<Message> callback) {
     Span span = TraceUtil.createSpan("RpcClient.callMethod")
       .setAttribute(TraceUtil.RPC_SERVICE_KEY, md.getService().getName())
-      .setAttribute(TraceUtil.RPC_METHOD_KEY, md.getName());
+      .setAttribute(TraceUtil.RPC_METHOD_KEY, md.getName())
+      .setAttribute(TraceUtil.REMOTE_HOST_KEY, addr.getHostName())
+      .setAttribute(TraceUtil.REMOTE_PORT_KEY, addr.getPort());
     try (Scope scope = span.makeCurrent()) {
       final MetricsConnection.CallStats cs = MetricsConnection.newCallStats();
       cs.setStartTime(EnvironmentEdgeManager.currentTime());

hbase-common/src/main/java/org/apache/hadoop/hbase/trace/TraceUtil.java

@@ -54,6 +54,10 @@ public final class TraceUtil {
   public static final AttributeKey<String> SERVER_NAME_KEY =
     AttributeKey.stringKey("db.hbase.server.name");
 
+  public static final AttributeKey<String> REMOTE_HOST_KEY = SemanticAttributes.NET_PEER_NAME;
+
+  public static final AttributeKey<Long> REMOTE_PORT_KEY = SemanticAttributes.NET_PEER_PORT;
+
   private TraceUtil() {
   }
 

hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/AbstractTestIPC.java

@@ -455,11 +455,14 @@ private SpanData waitSpan(String name) {
     return traceRule.getSpans().stream().filter(s -> s.getName().equals(name)).findFirst().get();
   }
 
-  private void assertRpcAttribute(SpanData data, String methodName) {
+  private void assertRpcAttribute(SpanData data, String methodName, InetSocketAddress addr) {
     assertEquals(SERVICE.getDescriptorForType().getName(),
       data.getAttributes().get(TraceUtil.RPC_SERVICE_KEY));
-    assertEquals(methodName,
-      data.getAttributes().get(TraceUtil.RPC_METHOD_KEY));
+    assertEquals(methodName, data.getAttributes().get(TraceUtil.RPC_METHOD_KEY));
+    if (addr != null) {
+      assertEquals(addr.getHostName(), data.getAttributes().get(TraceUtil.REMOTE_HOST_KEY));
+      assertEquals(addr.getPort(), data.getAttributes().get(TraceUtil.REMOTE_PORT_KEY).intValue());
+    }
   }
 
   @Test
@@ -471,8 +474,8 @@ public void testTracing() throws IOException, ServiceException {
       rpcServer.start();
       BlockingInterface stub = newBlockingStub(client, rpcServer.getListenerAddress());
       stub.pause(null, PauseRequestProto.newBuilder().setMs(100).build());
-      assertRpcAttribute(waitSpan("RpcClient.callMethod"), "pause");
-      assertRpcAttribute(waitSpan("RpcServer.callMethod"), "pause");
+      assertRpcAttribute(waitSpan("RpcClient.callMethod"), "pause", rpcServer.getListenerAddress());
+      assertRpcAttribute(waitSpan("RpcServer.callMethod"), "pause", null);
       assertSameTraceId();
       for (SpanData data : traceRule.getSpans()) {
         assertThat(
@@ -484,8 +487,8 @@ public void testTracing() throws IOException, ServiceException {
       traceRule.clearSpans();
       assertThrows(ServiceException.class,
         () -> stub.error(null, EmptyRequestProto.getDefaultInstance()));
-      assertRpcAttribute(waitSpan("RpcClient.callMethod"), "error");
-      assertRpcAttribute(waitSpan("RpcServer.callMethod"), "error");
+      assertRpcAttribute(waitSpan("RpcClient.callMethod"), "error", rpcServer.getListenerAddress());
+      assertRpcAttribute(waitSpan("RpcServer.callMethod"), "error", null);
       assertSameTraceId();
       for (SpanData data : traceRule.getSpans()) {
         assertEquals(StatusCode.ERROR, data.getStatus().getStatusCode());