add code origin support to kafka client

Author: evanchooly

dd-java-agent/agent-debugger/src/main/java/com/datadog/debugger/agent/DebuggerTransformer.java

@@ -245,7 +245,7 @@ public byte[] transform(
 
   private boolean skipInstrumentation(ClassLoader loader, String classFilePath) {
     if (definitionMatcher.isEmpty()) {
-      log.warn("No debugger definitions present.");
+      log.debug("No debugger definitions present.");
       return true;
     }
     if (classFilePath == null) {

dd-java-agent/agent-debugger/src/main/java/com/datadog/debugger/instrumentation/MethodInfo.java

@@ -58,4 +58,10 @@ public String getSourceFileName() {
   public String getTypeName() {
     return Strings.getClassName(classNode.name);
   }
+
+  @Override
+  public String toString() {
+    return String.format(
+        "MethodInfo{classNode=%s, methodNode=%s}", classNode.name, methodNode.desc);
+  }
 }

dd-java-agent/agent-debugger/src/main/java/com/datadog/debugger/probe/CodeOriginProbe.java

@@ -89,4 +89,11 @@ public void buildLocation(MethodInfo methodInfo) {
     }
     this.location = new ProbeLocation(type, method, file, lines);
   }
+
+  @Override
+  public String toString() {
+    return String.format(
+        "CodeOriginProbe{probeId=%s, entrySpanProbe=%s, signature=%s, location=%s}",
+        probeId, entrySpanProbe, signature, location);
+  }
 }

dd-java-agent/instrumentation/grpc-1.5/src/test/groovy/GrpcCodeOriginTest.groovy

@@ -1,9 +1,6 @@
-import datadog.trace.bootstrap.debugger.DebuggerContext.CodeOriginRecorder
 import com.google.common.util.concurrent.MoreExecutors
 import datadog.trace.agent.test.naming.VersionedNamingTestBase
-import datadog.trace.api.DDSpanTypes
 import datadog.trace.bootstrap.debugger.DebuggerContext
-import datadog.trace.bootstrap.instrumentation.api.Tags
 import example.GreeterGrpc
 import example.Helloworld
 import io.grpc.BindableService
@@ -13,17 +10,15 @@ import io.grpc.inprocess.InProcessChannelBuilder
 import io.grpc.inprocess.InProcessServerBuilder
 import io.grpc.stub.StreamObserver
 
-import java.lang.reflect.Method
 import java.util.concurrent.CopyOnWriteArrayList
 import java.util.concurrent.Executors
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.atomic.AtomicReference
 
-import static datadog.trace.api.config.TraceInstrumentationConfig.*
+import static datadog.trace.agent.test.asserts.TagsAssert.assertTags
 
-abstract class GrpcCodeOriginTest extends VersionedNamingTestBase {
-  def codeOriginRecorder
 
+abstract class GrpcCodeOriginTest extends VersionedNamingTestBase {
   @Override
   final String service() {
     return null
@@ -56,7 +51,7 @@ abstract class GrpcCodeOriginTest extends VersionedNamingTestBase {
     codeOriginSetup()
   }
 
-  def "test conversation #name"() {
+  def "code origin test #name"() {
     setup:
 
     def msgCount = serverMessageCount
@@ -155,77 +150,13 @@ abstract class GrpcCodeOriginTest extends VersionedNamingTestBase {
       }
     }.flatten().sort()
 
-
-    assert codeOriginRecorder.invoked
-    assertTraces(2) {
-      trace((hasClientMessageSpans() ? clientMessageCount * serverMessageCount : 0) + 1) {
-        span {
-          operationName clientOperation()
-          resourceName "example.Greeter/Conversation"
-          spanType DDSpanTypes.RPC
-          parent()
-          errored false
-          tags {
-            "$Tags.COMPONENT" "grpc-client"
-            "$Tags.SPAN_KIND" Tags.SPAN_KIND_CLIENT
-            "$Tags.RPC_SERVICE" "example.Greeter"
-            "status.code" "OK"
-            "request.type" "example.Helloworld\$Response"
-            "response.type" "example.Helloworld\$Response"
-            peerServiceFrom(Tags.RPC_SERVICE)
-            defaultTags()
-          }
-        }
-        if (hasClientMessageSpans()) {
-          (1..(clientMessageCount * serverMessageCount)).each {
-            span {
-              operationName "grpc.message"
-              resourceName "grpc.message"
-              spanType DDSpanTypes.RPC
-              childOf span(0)
-              errored false
-              tags {
-                "$Tags.COMPONENT" "grpc-client"
-                "$Tags.SPAN_KIND" Tags.SPAN_KIND_CLIENT
-                "message.type" "example.Helloworld\$Response"
-                defaultTagsNoPeerService()
-              }
-            }
-          }
-        }
-      }
-      trace(clientMessageCount + 1) {
-        span {
-          operationName serverOperation()
-          resourceName "example.Greeter/Conversation"
-          spanType DDSpanTypes.RPC
-          childOf trace(0).get(0)
-          errored false
-          tags {
-            "$Tags.COMPONENT" "grpc-server"
-            "$Tags.SPAN_KIND" Tags.SPAN_KIND_SERVER
-            "status.code" "OK"
-
-            defaultTags(true)
-          }
-        }
-        clientRange.each {
-          span {
-            operationName "grpc.message"
-            resourceName "grpc.message"
-            spanType DDSpanTypes.RPC
-            childOf span(0)
-            errored false
-            tags {
-              "$Tags.COMPONENT" "grpc-server"
-              "$Tags.SPAN_KIND" Tags.SPAN_KIND_SERVER
-              "message.type" "example.Helloworld\$Response"
-              defaultTags()
-            }
-          }
-        }
-      }
+    assert DebuggerContext.codeOriginRecorder != null
+    def span = TEST_WRITER.flatten().find {
+      it.operationName.toString() == "grpc.server.request"
     }
+    assertTags(span, {
+      it.codeOriginTags()
+    }, false)
 
     cleanup:
     channel?.shutdownNow()?.awaitTermination(10, TimeUnit.SECONDS)
@@ -247,26 +178,6 @@ abstract class GrpcCodeOriginTest extends VersionedNamingTestBase {
     clientRange = 1..clientMessageCount
     serverRange = 1..serverMessageCount
   }
-
-
-  void codeOriginSetup() {
-    injectSysConfig(CODE_ORIGIN_FOR_SPANS_ENABLED, "true", true)
-    codeOriginRecorder = new CodeOriginRecorder() {
-        def invoked = false
-        @Override
-        String captureCodeOrigin(boolean entry) {
-          invoked = true
-          return "done"
-        }
-
-        @Override
-        String captureCodeOrigin(Method method, boolean entry) {
-          invoked = true
-          return "done"
-        }
-      }
-    DebuggerContext.initCodeOrigin(codeOriginRecorder)
-  }
 }
 
 class GrpcCodeOriginForkedTest extends GrpcCodeOriginTest {

dd-java-agent/instrumentation/kafka-clients-3.8/build.gradle

@@ -38,6 +38,9 @@ dependencies {
   implementation project(':dd-java-agent:instrumentation:kafka-common')
   main_java17Implementation project(':dd-java-agent:instrumentation:kafka-common')
 
+  implementation project(':dd-java-agent:instrumentation:span-origin')
+  main_java17Implementation project(':dd-java-agent:instrumentation:span-origin')
+
   testImplementation group: 'org.apache.kafka', name: 'kafka-clients', version: '3.8.0'
   testImplementation group: 'org.springframework.kafka', name: 'spring-kafka', version: '3.1.0'
   testImplementation group: 'org.springframework.kafka', name: 'spring-kafka-test', version: '3.1.0'

dd-java-agent/instrumentation/kafka-clients-3.8/src/main/java/datadog/trace/instrumentation/kafka_clients38/MessageListenerInstrumentation.java

@@ -0,0 +1,43 @@
+package datadog.trace.instrumentation.kafka_clients38;
+
+import static datadog.trace.agent.tooling.bytebuddy.matcher.ClassLoaderMatchers.hasClassNamed;
+import static datadog.trace.agent.tooling.bytebuddy.matcher.HierarchyMatchers.implementsInterface;
+import static datadog.trace.agent.tooling.bytebuddy.matcher.NameMatchers.named;
+import static net.bytebuddy.matcher.ElementMatchers.isMethod;
+
+import com.google.auto.service.AutoService;
+import datadog.trace.agent.tooling.Instrumenter;
+import datadog.trace.agent.tooling.InstrumenterModule;
+import net.bytebuddy.description.type.TypeDescription;
+import net.bytebuddy.matcher.ElementMatcher;
+
+@AutoService(InstrumenterModule.class)
+public class MessageListenerInstrumentation extends InstrumenterModule.Tracing
+    implements Instrumenter.ForTypeHierarchy, Instrumenter.HasMethodAdvice {
+
+  public MessageListenerInstrumentation() {
+    super("kafka", "kafka-3.8");
+  }
+
+  @Override
+  public ElementMatcher.Junction<ClassLoader> classLoaderMatcher() {
+    return hasClassNamed("org.apache.kafka.clients.MetadataRecoveryStrategy"); // since 3.8
+  }
+
+  @Override
+  public String hierarchyMarkerType() {
+    return "org.springframework.kafka.listener.MessageListener";
+  }
+
+  @Override
+  public ElementMatcher<TypeDescription> hierarchyMatcher() {
+    return implementsInterface(named(hierarchyMarkerType()));
+  }
+
+  @Override
+  public void methodAdvice(MethodTransformer transformer) {
+    transformer.applyAdvice(
+        isMethod().and(named("onMessage")),
+        datadog.trace.instrumentation.codeorigin.EntrySpanOriginAdvice.class.getName());
+  }
+}