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Fix spring kafka context leak when batch listener is retried #10741

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Mar 12, 2024
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,7 @@ tasks {
test {
usesService(gradle.sharedServices.registrations["testcontainersBuildService"].service)

systemProperty("testLatestDeps", findProperty("testLatestDeps") as Boolean)
jvmArgs("-Dotel.instrumentation.kafka.experimental-span-attributes=true")
jvmArgs("-Dotel.instrumentation.messaging.experimental.receive-telemetry.enabled=true")
}
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,6 @@
import net.bytebuddy.asm.Advice;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.matcher.ElementMatcher;
import org.springframework.kafka.listener.BatchInterceptor;
import org.springframework.kafka.listener.RecordInterceptor;

public class AbstractMessageListenerContainerInstrumentation implements TypeInstrumentation {
Expand All @@ -28,16 +27,11 @@ public ElementMatcher<TypeDescription> typeMatcher() {

@Override
public void transform(TypeTransformer transformer) {
// getBatchInterceptor() is called internally by AbstractMessageListenerContainer
// implementations
transformer.applyAdviceToMethod(
named("getBatchInterceptor")
.and(isProtected())
.and(takesArguments(0))
.and(returns(named("org.springframework.kafka.listener.BatchInterceptor"))),
this.getClass().getName() + "$GetBatchInterceptorAdvice");
// getRecordInterceptor() is called internally by AbstractMessageListenerContainer
// implementations
// for batch listeners we don't instrument getBatchInterceptor() here but instead instrument
// KafkaMessageListenerContainer$ListenerConsumer because spring doesn't always call the success
// and failure methods on a batch interceptor
transformer.applyAdviceToMethod(
named("getRecordInterceptor")
.and(isProtected())
Expand All @@ -46,24 +40,6 @@ public void transform(TypeTransformer transformer) {
this.getClass().getName() + "$GetRecordInterceptorAdvice");
}

@SuppressWarnings("unused")
public static class GetBatchInterceptorAdvice {

@Advice.OnMethodExit(suppress = Throwable.class)
public static <K, V> void onExit(
@Advice.Return(readOnly = false) BatchInterceptor<K, V> interceptor) {

if (interceptor == null
|| !interceptor
.getClass()
.getName()
.equals(
"io.opentelemetry.instrumentation.spring.kafka.v2_7.InstrumentedBatchInterceptor")) {
interceptor = telemetry().createBatchInterceptor(interceptor);
}
}
}

@SuppressWarnings("unused")
public static class GetRecordInterceptorAdvice {

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -5,16 +5,25 @@

package io.opentelemetry.javaagent.instrumentation.spring.kafka.v2_7;

import static io.opentelemetry.javaagent.instrumentation.spring.kafka.v2_7.SpringKafkaSingletons.batchProcessInstrumenter;
import static net.bytebuddy.matcher.ElementMatchers.isConstructor;
import static net.bytebuddy.matcher.ElementMatchers.named;
import static net.bytebuddy.matcher.ElementMatchers.takesArgument;

import io.opentelemetry.context.Context;
import io.opentelemetry.context.Scope;
import io.opentelemetry.instrumentation.kafka.internal.KafkaConsumerContext;
import io.opentelemetry.instrumentation.kafka.internal.KafkaConsumerContextUtil;
import io.opentelemetry.instrumentation.kafka.internal.KafkaReceiveRequest;
import io.opentelemetry.javaagent.bootstrap.kafka.KafkaClientsConsumerProcessTracing;
import io.opentelemetry.javaagent.bootstrap.spring.SpringSchedulingTaskTracing;
import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
import net.bytebuddy.asm.Advice;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.matcher.ElementMatcher;
import org.apache.kafka.clients.consumer.Consumer;
import org.apache.kafka.clients.consumer.ConsumerRecords;

public class ListenerConsumerInstrumentation implements TypeInstrumentation {

Expand All @@ -29,6 +38,10 @@ public void transform(TypeTransformer transformer) {
transformer.applyAdviceToMethod(named("run"), this.getClass().getName() + "$RunLoopAdvice");
transformer.applyAdviceToMethod(
isConstructor(), this.getClass().getName() + "$ConstructorAdvice");
transformer.applyAdviceToMethod(
named("invokeBatchOnMessageWithRecordsOrList")
.and(takesArgument(0, named("org.apache.kafka.clients.consumer.ConsumerRecords"))),
this.getClass().getName() + "$InvokeBatchAdvice");
}

// this advice suppresses the CONSUMER spans created by the kafka-clients instrumentation
Expand Down Expand Up @@ -60,4 +73,41 @@ public static void onExit(@Advice.Enter boolean previousValue) {
SpringSchedulingTaskTracing.setEnabled(previousValue);
}
}

@SuppressWarnings("unused")
public static class InvokeBatchAdvice {

@Advice.OnMethodEnter(suppress = Throwable.class)
public static void onEnter(
@Advice.Argument(0) ConsumerRecords<?, ?> records,
@Advice.FieldValue("consumer") Consumer<?, ?> consumer,
@Advice.Local("otelRequest") KafkaReceiveRequest request,
@Advice.Local("otelContext") Context context,
@Advice.Local("otelScope") Scope scope) {
KafkaConsumerContext consumerContext = KafkaConsumerContextUtil.get(records);
Context receiveContext = consumerContext.getContext();

// use the receive CONSUMER span as parent if it's available
Context parentContext = receiveContext != null ? receiveContext : Context.current();

request = KafkaReceiveRequest.create(records, consumer);
if (batchProcessInstrumenter().shouldStart(parentContext, request)) {
context = batchProcessInstrumenter().start(parentContext, request);
scope = context.makeCurrent();
}
}

@Advice.OnMethodExit(suppress = Throwable.class, onThrowable = Throwable.class)
public static void onExit(
@Advice.Thrown Throwable throwable,
@Advice.Local("otelRequest") KafkaReceiveRequest request,
@Advice.Local("otelContext") Context context,
@Advice.Local("otelScope") Scope scope) {
if (scope == null) {
return;
}
scope.close();
batchProcessInstrumenter().end(context, request, null, throwable);
}
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -6,24 +6,48 @@
package io.opentelemetry.javaagent.instrumentation.spring.kafka.v2_7;

import io.opentelemetry.api.GlobalOpenTelemetry;
import io.opentelemetry.instrumentation.api.instrumenter.Instrumenter;
import io.opentelemetry.instrumentation.kafka.internal.KafkaInstrumenterFactory;
import io.opentelemetry.instrumentation.kafka.internal.KafkaReceiveRequest;
import io.opentelemetry.instrumentation.spring.kafka.v2_7.SpringKafkaTelemetry;
import io.opentelemetry.instrumentation.spring.kafka.v2_7.internal.SpringKafkaErrorCauseExtractor;
import io.opentelemetry.javaagent.bootstrap.internal.ExperimentalConfig;
import io.opentelemetry.javaagent.bootstrap.internal.InstrumentationConfig;

public final class SpringKafkaSingletons {
private static final String INSTRUMENTATION_NAME = "io.opentelemetry.spring-kafka-2.7";

private static final SpringKafkaTelemetry TELEMETRY =
SpringKafkaTelemetry.builder(GlobalOpenTelemetry.get())
.setCapturedHeaders(ExperimentalConfig.get().getMessagingHeaders())
.setCaptureExperimentalSpanAttributes(
InstrumentationConfig.get()
.getBoolean("otel.instrumentation.kafka.experimental-span-attributes", false))
.setMessagingReceiveInstrumentationEnabled(
ExperimentalConfig.get().messagingReceiveInstrumentationEnabled())
.build();
private static final Instrumenter<KafkaReceiveRequest, Void> BATCH_PROCESS_INSTRUMENTER;

static {
KafkaInstrumenterFactory factory =
new KafkaInstrumenterFactory(GlobalOpenTelemetry.get(), INSTRUMENTATION_NAME)
.setCapturedHeaders(ExperimentalConfig.get().getMessagingHeaders())
.setCaptureExperimentalSpanAttributes(
InstrumentationConfig.get()
.getBoolean("otel.instrumentation.kafka.experimental-span-attributes", false))
.setMessagingReceiveInstrumentationEnabled(
ExperimentalConfig.get().messagingReceiveInstrumentationEnabled())
.setErrorCauseExtractor(SpringKafkaErrorCauseExtractor.INSTANCE);
BATCH_PROCESS_INSTRUMENTER = factory.createBatchProcessInstrumenter();
}

public static SpringKafkaTelemetry telemetry() {
return TELEMETRY;
}

public static Instrumenter<KafkaReceiveRequest, Void> batchProcessInstrumenter() {
return BATCH_PROCESS_INSTRUMENTER;
}

private SpringKafkaSingletons() {}
}
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