Add SimpleSpanProcessor support

quarkusio · Oct 31, 2024 · 75b098a · 75b098a
1 parent 80ed777
commit 75b098a
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Showing 22 changed files with 355 additions and 51 deletions.
diff --git a/.../deployment/src/main/java/io/quarkus/opentelemetry/deployment/OpenTelemetryProcessor.java b/.../deployment/src/main/java/io/quarkus/opentelemetry/deployment/OpenTelemetryProcessor.java
@@ -96,6 +96,7 @@ AdditionalBeanBuildItem ensureProducerIsRetained() {
         return AdditionalBeanBuildItem.builder()
                 .setUnremovable()
                 .addBeanClasses(
+                        AutoConfiguredOpenTelemetrySdkBuilderCustomizer.SimpleLogRecordProcessorCustomizer.class,
                         AutoConfiguredOpenTelemetrySdkBuilderCustomizer.TracingResourceCustomizer.class,
                         AutoConfiguredOpenTelemetrySdkBuilderCustomizer.SamplerCustomizer.class,
                         AutoConfiguredOpenTelemetrySdkBuilderCustomizer.TracerProviderCustomizer.class,

diff --git a/...rc/main/java/io/quarkus/opentelemetry/deployment/exporter/otlp/OtlpExporterProcessor.java b/...rc/main/java/io/quarkus/opentelemetry/deployment/exporter/otlp/OtlpExporterProcessor.java
@@ -28,7 +28,7 @@
 import io.quarkus.opentelemetry.runtime.config.runtime.exporter.OtlpExporterConfigBuilder;
 import io.quarkus.opentelemetry.runtime.config.runtime.exporter.OtlpExporterRuntimeConfig;
 import io.quarkus.opentelemetry.runtime.exporter.otlp.OTelExporterRecorder;
-import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.LateBoundBatchSpanProcessor;
+import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.LateBoundSpanProcessor;
 import io.quarkus.tls.TlsConfigurationRegistry;
 import io.quarkus.tls.TlsRegistryBuildItem;
 import io.quarkus.vertx.core.deployment.CoreVertxBuildItem;
@@ -84,7 +84,8 @@ void config(BuildProducer<RunTimeConfigBuilderBuildItem> runTimeConfigBuilderPro
     @BuildStep(onlyIf = OtlpExporterProcessor.OtlpTracingExporterEnabled.class)
     @Record(ExecutionTime.RUNTIME_INIT)
     @Consume(TlsRegistryBuildItem.class)
-    void createBatchSpanProcessor(OTelExporterRecorder recorder,
+    void createSpanProcessor(OTelExporterRecorder recorder,
+            OTelBuildConfig oTelBuildConfig,
             OTelRuntimeConfig otelRuntimeConfig,
             OtlpExporterRuntimeConfig exporterRuntimeConfig,
             CoreVertxBuildItem vertxBuildItem,
@@ -95,16 +96,16 @@ void createBatchSpanProcessor(OTelExporterRecorder recorder,
             return;
         }
         syntheticBeanBuildItemBuildProducer.produce(SyntheticBeanBuildItem
-                .configure(LateBoundBatchSpanProcessor.class)
+                .configure(LateBoundSpanProcessor.class)
                 .types(SpanProcessor.class)
                 .setRuntimeInit()
                 .scope(Singleton.class)
                 .unremovable()
                 .addInjectionPoint(ParameterizedType.create(DotName.createSimple(Instance.class),
                         new Type[] { ClassType.create(DotName.createSimple(SpanExporter.class.getName())) }, null))
                 .addInjectionPoint(ClassType.create(DotName.createSimple(TlsConfigurationRegistry.class)))
-                .createWith(recorder.batchSpanProcessorForOtlp(otelRuntimeConfig, exporterRuntimeConfig,
-                        vertxBuildItem.getVertx()))
+                .createWith(recorder.spanProcessorForOtlp(oTelBuildConfig, otelRuntimeConfig,
+                        exporterRuntimeConfig, vertxBuildItem.getVertx()))
                 .done());
     }
 

diff --git a/...yment/src/test/java/io/quarkus/opentelemetry/deployment/OpenTelemetryDisabledSdkTest.java b/...yment/src/test/java/io/quarkus/opentelemetry/deployment/OpenTelemetryDisabledSdkTest.java
@@ -12,7 +12,7 @@
 import io.opentelemetry.instrumentation.api.instrumenter.Instrumenter;
 import io.quarkus.opentelemetry.runtime.config.build.OTelBuildConfig;
 import io.quarkus.opentelemetry.runtime.config.runtime.OTelRuntimeConfig;
-import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.LateBoundBatchSpanProcessor;
+import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.LateBoundSpanProcessor;
 import io.quarkus.opentelemetry.runtime.tracing.intrumentation.vertx.HttpInstrumenterVertxTracer;
 import io.quarkus.test.QuarkusUnitTest;
 import io.vertx.core.spi.observability.HttpRequest;
@@ -26,7 +26,7 @@ public class OpenTelemetryDisabledSdkTest {
             .overrideConfigKey("quarkus.otel.sdk.disabled", "true");
 
     @Inject
-    LateBoundBatchSpanProcessor batchSpanProcessor;
+    LateBoundSpanProcessor spanProcessor;
 
     @Inject
     OpenTelemetry openTelemetry;
@@ -40,7 +40,7 @@ public class OpenTelemetryDisabledSdkTest {
     @Test
     void testNoTracer() {
         // The OTel API doesn't provide a clear way to check if a tracer is an effective NOOP tracer.
-        Assertions.assertTrue(batchSpanProcessor.isDelegateNull(), "BatchSpanProcessor delegate must not be set");
+        Assertions.assertTrue(spanProcessor.isDelegateNull(), "SpanProcessor delegate must not be set");
     }
 
     @Test

diff --git a/...java/io/quarkus/opentelemetry/deployment/exporter/otlp/OtlpTraceExporterDisabledTest.java b/...java/io/quarkus/opentelemetry/deployment/exporter/otlp/OtlpTraceExporterDisabledTest.java
@@ -11,7 +11,7 @@
 
 import io.opentelemetry.api.OpenTelemetry;
 import io.opentelemetry.sdk.metrics.export.MetricExporter;
-import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.LateBoundBatchSpanProcessor;
+import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.LateBoundSpanProcessor;
 import io.quarkus.test.QuarkusUnitTest;
 
 public class OtlpTraceExporterDisabledTest {
@@ -25,15 +25,15 @@ public class OtlpTraceExporterDisabledTest {
     OpenTelemetry openTelemetry;
 
     @Inject
-    Instance<LateBoundBatchSpanProcessor> lateBoundBatchSpanProcessorInstance;
+    Instance<LateBoundSpanProcessor> lateBoundSpanProcessorInstance;
 
     @Inject
     Instance<MetricExporter> metricExporters;
 
     @Test
     void testOpenTelemetryButNoBatchSpanProcessor() {
         assertNotNull(openTelemetry);
-        assertFalse(lateBoundBatchSpanProcessorInstance.isResolvable());
+        assertFalse(lateBoundSpanProcessorInstance.isResolvable());
         assertFalse(metricExporters.isResolvable());
     }
 }
diff --git a/...ava/io/quarkus/opentelemetry/runtime/AutoConfiguredOpenTelemetrySdkBuilderCustomizer.java b/...ava/io/quarkus/opentelemetry/runtime/AutoConfiguredOpenTelemetrySdkBuilderCustomizer.java
@@ -18,6 +18,9 @@
 import io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdkBuilder;
 import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
 import io.opentelemetry.sdk.common.Clock;
+import io.opentelemetry.sdk.logs.LogRecordProcessor;
+import io.opentelemetry.sdk.logs.export.LogRecordExporter;
+import io.opentelemetry.sdk.logs.export.SimpleLogRecordProcessor;
 import io.opentelemetry.sdk.metrics.SdkMeterProviderBuilder;
 import io.opentelemetry.sdk.resources.Resource;
 import io.opentelemetry.sdk.trace.IdGenerator;
@@ -27,7 +30,7 @@
 import io.quarkus.arc.All;
 import io.quarkus.opentelemetry.runtime.config.build.OTelBuildConfig;
 import io.quarkus.opentelemetry.runtime.config.runtime.OTelRuntimeConfig;
-import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.RemoveableLateBoundBatchSpanProcessor;
+import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.RemoveableLateBoundSpanProcessor;
 import io.quarkus.opentelemetry.runtime.propagation.TextMapPropagatorCustomizer;
 import io.quarkus.opentelemetry.runtime.tracing.DelayedAttributes;
 import io.quarkus.opentelemetry.runtime.tracing.DropTargetsSampler;
@@ -39,6 +42,46 @@ public interface AutoConfiguredOpenTelemetrySdkBuilderCustomizer {
 
     void customize(AutoConfiguredOpenTelemetrySdkBuilder builder);
 
+    @Singleton
+    final class SimpleLogRecordProcessorCustomizer implements AutoConfiguredOpenTelemetrySdkBuilderCustomizer {
+        private SimpleLogRecordProcessorBiFunction biFunction;
+
+        public SimpleLogRecordProcessorCustomizer(
+                OTelBuildConfig oTelBuildConfig,
+                LogRecordExporter logRecordExporter) {
+            if (oTelBuildConfig.simple()) {
+                LogRecordProcessor lrp = SimpleLogRecordProcessor.create(logRecordExporter);
+                this.biFunction = new SimpleLogRecordProcessorBiFunction(lrp);
+            }
+        }
+
+        @Override
+        public void customize(AutoConfiguredOpenTelemetrySdkBuilder builder) {
+            if (biFunction != null) {
+                builder.addLogRecordProcessorCustomizer(biFunction);
+            }
+        }
+    }
+
+    class SimpleLogRecordProcessorBiFunction
+            implements BiFunction<LogRecordProcessor, ConfigProperties, LogRecordProcessor> {
+
+        private final LogRecordProcessor logRecordProcessor;
+
+        public SimpleLogRecordProcessorBiFunction(LogRecordProcessor logRecordProcessor) {
+            this.logRecordProcessor = logRecordProcessor;
+        }
+
+        @Override
+        public LogRecordProcessor apply(LogRecordProcessor lrp, ConfigProperties cp) {
+            if (!(lrp instanceof SimpleLogRecordProcessor)) {
+                return logRecordProcessor;
+            } else {
+                return lrp;
+            }
+        }
+    }
+
     @Singleton
     final class TracingResourceCustomizer implements AutoConfiguredOpenTelemetrySdkBuilderCustomizer {
 
@@ -174,7 +217,7 @@ public SdkTracerProviderBuilder apply(SdkTracerProviderBuilder tracerProviderBui
                                 spanProcessors.stream().filter(new Predicate<SpanProcessor>() {
                                     @Override
                                     public boolean test(SpanProcessor sp) {
-                                        return !(sp instanceof RemoveableLateBoundBatchSpanProcessor);
+                                        return !(sp instanceof RemoveableLateBoundSpanProcessor);
                                     }
                                 })
                                         .forEach(tracerProviderBuilder::addSpanProcessor);

diff --git a/.../runtime/src/main/java/io/quarkus/opentelemetry/runtime/config/build/OTelBuildConfig.java b/.../runtime/src/main/java/io/quarkus/opentelemetry/runtime/config/build/OTelBuildConfig.java
@@ -37,6 +37,17 @@ public interface OTelBuildConfig {
     @WithDefault("true")
     boolean enabled();
 
+    /**
+     * Should we use simple processor for spans and log records.
+     * This will disable batch processing and the exporter will send
+     * telemetry data right away.
+     * This is recommended for serverless applications.
+     * <p>
+     * Defaults to <code>false</code>.
+     */
+    @WithDefault("false")
+    boolean simple();
+
     /**
      * Trace exporter configurations.
      */

diff --git a/...me/src/main/java/io/quarkus/opentelemetry/runtime/exporter/otlp/OTelExporterRecorder.java b/...me/src/main/java/io/quarkus/opentelemetry/runtime/exporter/otlp/OTelExporterRecorder.java
@@ -36,8 +36,12 @@
 import io.opentelemetry.sdk.metrics.internal.aggregator.AggregationUtil;
 import io.opentelemetry.sdk.trace.export.BatchSpanProcessor;
 import io.opentelemetry.sdk.trace.export.BatchSpanProcessorBuilder;
+import io.opentelemetry.sdk.trace.export.SimpleSpanProcessor;
+import io.opentelemetry.sdk.trace.export.SimpleSpanProcessorBuilder;
 import io.opentelemetry.sdk.trace.export.SpanExporter;
 import io.quarkus.arc.SyntheticCreationalContext;
+import io.quarkus.opentelemetry.runtime.config.build.OTelBuildConfig;
+import io.quarkus.opentelemetry.runtime.config.runtime.BatchSpanProcessorConfig;
 import io.quarkus.opentelemetry.runtime.config.runtime.OTelRuntimeConfig;
 import io.quarkus.opentelemetry.runtime.config.runtime.exporter.*;
 import io.quarkus.opentelemetry.runtime.exporter.otlp.logs.NoopLogRecordExporter;
@@ -48,8 +52,8 @@
 import io.quarkus.opentelemetry.runtime.exporter.otlp.metrics.VertxHttpMetricsExporter;
 import io.quarkus.opentelemetry.runtime.exporter.otlp.sender.VertxGrpcSender;
 import io.quarkus.opentelemetry.runtime.exporter.otlp.sender.VertxHttpSender;
-import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.LateBoundBatchSpanProcessor;
-import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.RemoveableLateBoundBatchSpanProcessor;
+import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.LateBoundSpanProcessor;
+import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.RemoveableLateBoundSpanProcessor;
 import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.VertxGrpcSpanExporter;
 import io.quarkus.opentelemetry.runtime.exporter.otlp.tracing.VertxHttpSpanExporter;
 import io.quarkus.runtime.annotations.Recorder;
@@ -68,23 +72,24 @@ public class OTelExporterRecorder {
     public static final String BASE2EXPONENTIAL_AGGREGATION_NAME = AggregationUtil
             .aggregationName(Aggregation.base2ExponentialBucketHistogram());
 
-    public Function<SyntheticCreationalContext<LateBoundBatchSpanProcessor>, LateBoundBatchSpanProcessor> batchSpanProcessorForOtlp(
+    public Function<SyntheticCreationalContext<LateBoundSpanProcessor>, LateBoundSpanProcessor> spanProcessorForOtlp(
+            OTelBuildConfig oTelBuildConfig,
             OTelRuntimeConfig otelRuntimeConfig,
             OtlpExporterRuntimeConfig exporterRuntimeConfig,
             Supplier<Vertx> vertx) {
         URI baseUri = getTracesUri(exporterRuntimeConfig); // do the creation and validation here in order to preserve backward compatibility
         return new Function<>() {
             @Override
-            public LateBoundBatchSpanProcessor apply(
-                    SyntheticCreationalContext<LateBoundBatchSpanProcessor> context) {
+            public LateBoundSpanProcessor apply(
+                    SyntheticCreationalContext<LateBoundSpanProcessor> context) {
                 if (otelRuntimeConfig.sdkDisabled() || baseUri == null) {
-                    return RemoveableLateBoundBatchSpanProcessor.INSTANCE;
+                    return RemoveableLateBoundSpanProcessor.INSTANCE;
                 }
                 // Only create the OtlpGrpcSpanExporter if an endpoint was set in runtime config and was properly validated at startup
                 Instance<SpanExporter> spanExporters = context.getInjectedReference(new TypeLiteral<>() {
                 });
                 if (!spanExporters.isUnsatisfied()) {
-                    return RemoveableLateBoundBatchSpanProcessor.INSTANCE;
+                    return RemoveableLateBoundSpanProcessor.INSTANCE;
                 }
 
                 try {
@@ -93,15 +98,21 @@ public LateBoundBatchSpanProcessor apply(
                     var spanExporter = createSpanExporter(exporterRuntimeConfig, vertx.get(), baseUri,
                             tlsConfigurationRegistry);
 
-                    BatchSpanProcessorBuilder processorBuilder = BatchSpanProcessor.builder(spanExporter);
+                    if (oTelBuildConfig.simple()) {
+                        SimpleSpanProcessorBuilder processorBuilder = SimpleSpanProcessor.builder(spanExporter);
+                        return new LateBoundSpanProcessor(processorBuilder.build());
+                    } else {
+                        BatchSpanProcessorBuilder processorBuilder = BatchSpanProcessor.builder(spanExporter);
 
-                    processorBuilder.setScheduleDelay(otelRuntimeConfig.bsp().scheduleDelay());
-                    processorBuilder.setMaxQueueSize(otelRuntimeConfig.bsp().maxQueueSize());
-                    processorBuilder.setMaxExportBatchSize(otelRuntimeConfig.bsp().maxExportBatchSize());
-                    processorBuilder.setExporterTimeout(otelRuntimeConfig.bsp().exportTimeout());
-                    // processorBuilder.setMeterProvider() // TODO add meter provider to span processor.
+                        BatchSpanProcessorConfig bspc = otelRuntimeConfig.bsp();
+                        processorBuilder.setScheduleDelay(bspc.scheduleDelay());
+                        processorBuilder.setMaxQueueSize(bspc.maxQueueSize());
+                        processorBuilder.setMaxExportBatchSize(bspc.maxExportBatchSize());
+                        processorBuilder.setExporterTimeout(bspc.exportTimeout());
+                        // processorBuilder.setMeterProvider() // TODO add meter provider to span processor.
 
-                    return new LateBoundBatchSpanProcessor(processorBuilder.build());
+                        return new LateBoundSpanProcessor(processorBuilder.build());
+                    }
                 } catch (IllegalArgumentException iae) {
                     throw new IllegalStateException("Unable to install OTLP Exporter", iae);
                 }

diff --git a/.../tracing/LateBoundBatchSpanProcessor.java → .../otlp/tracing/LateBoundSpanProcessor.java b/.../tracing/LateBoundBatchSpanProcessor.java → .../otlp/tracing/LateBoundSpanProcessor.java
@@ -7,20 +7,19 @@
 import io.opentelemetry.sdk.trace.ReadWriteSpan;
 import io.opentelemetry.sdk.trace.ReadableSpan;
 import io.opentelemetry.sdk.trace.SpanProcessor;
-import io.opentelemetry.sdk.trace.export.BatchSpanProcessor;
 
 /**
- * Class to facilitate a delay in when the worker thread inside {@link BatchSpanProcessor}
+ * Class to facilitate a delay in when the worker thread inside {@link SpanProcessor}
  * is started, enabling Quarkus to instantiate a {@link io.opentelemetry.api.trace.TracerProvider}
- * during static initialization and set a {@link BatchSpanProcessor} delegate during runtime initialization.
+ * during static initialization and set a {@link SpanProcessor} delegate during runtime initialization.
  */
-public class LateBoundBatchSpanProcessor implements SpanProcessor {
-    private static final Logger log = Logger.getLogger(LateBoundBatchSpanProcessor.class);
+public class LateBoundSpanProcessor implements SpanProcessor {
+    private static final Logger log = Logger.getLogger(LateBoundSpanProcessor.class);
 
     private boolean warningLogged = false;
-    private BatchSpanProcessor delegate;
+    private SpanProcessor delegate;
 
-    public LateBoundBatchSpanProcessor(BatchSpanProcessor delegate) {
+    public LateBoundSpanProcessor(SpanProcessor delegate) {
         this.delegate = delegate;
     }
 
@@ -104,7 +103,7 @@ private void resetDelegate() {
      */
     private void logDelegateNotFound() {
         if (!warningLogged) {
-            log.warn("No BatchSpanProcessor delegate specified, no action taken.");
+            log.warn("No SpanProcessor delegate specified, no action taken.");
             warningLogged = true;
         }
     }

diff --git a/...us/opentelemetry/runtime/exporter/otlp/tracing/RemoveableLateBoundBatchSpanProcessor.java b/...us/opentelemetry/runtime/exporter/otlp/tracing/RemoveableLateBoundBatchSpanProcessor.java
diff --git a/...quarkus/opentelemetry/runtime/exporter/otlp/tracing/RemoveableLateBoundSpanProcessor.java b/...quarkus/opentelemetry/runtime/exporter/otlp/tracing/RemoveableLateBoundSpanProcessor.java
@@ -0,0 +1,16 @@
+package io.quarkus.opentelemetry.runtime.exporter.otlp.tracing;
+
+import io.quarkus.opentelemetry.runtime.AutoConfiguredOpenTelemetrySdkBuilderCustomizer.TracerProviderCustomizer;
+
+/**
+ * The only point in having this class is to allow {@link TracerProviderCustomizer}
+ * to easily ignore the configured {@link LateBoundSpanProcessor}.
+ */
+public final class RemoveableLateBoundSpanProcessor extends LateBoundSpanProcessor {
+
+    public static final RemoveableLateBoundSpanProcessor INSTANCE = new RemoveableLateBoundSpanProcessor();
+
+    private RemoveableLateBoundSpanProcessor() {
+        super(null);
+    }
+}
diff --git a/...ertx-exporter/src/test/java/io/quarkus/it/opentelemetry/vertx/exporter/SimpleProfile.java b/...ertx-exporter/src/test/java/io/quarkus/it/opentelemetry/vertx/exporter/SimpleProfile.java
@@ -0,0 +1,12 @@
+package io.quarkus.it.opentelemetry.vertx.exporter;
+
+import java.util.Map;
+
+import io.quarkus.test.junit.QuarkusTestProfile;
+
+public final class SimpleProfile implements QuarkusTestProfile {
+    @Override
+    public Map<String, String> getConfigOverrides() {
+        return Map.of("quarkus.otel.simple", "true");
+    }
+}
diff --git a/...ava/io/quarkus/it/opentelemetry/vertx/exporter/grpc/SimpleGrpcNoTLSNoCompressionTest.java b/...ava/io/quarkus/it/opentelemetry/vertx/exporter/grpc/SimpleGrpcNoTLSNoCompressionTest.java
@@ -0,0 +1,15 @@
+package io.quarkus.it.opentelemetry.vertx.exporter.grpc;
+
+import io.quarkus.it.opentelemetry.vertx.exporter.AbstractExporterTest;
+import io.quarkus.it.opentelemetry.vertx.exporter.OtelCollectorLifecycleManager;
+import io.quarkus.it.opentelemetry.vertx.exporter.SimpleProfile;
+import io.quarkus.test.common.QuarkusTestResource;
+import io.quarkus.test.junit.QuarkusTest;
+import io.quarkus.test.junit.TestProfile;
+
+@QuarkusTest
+@QuarkusTestResource(value = OtelCollectorLifecycleManager.class, restrictToAnnotatedClass = true)
+@TestProfile(SimpleProfile.class)
+public class SimpleGrpcNoTLSNoCompressionTest extends AbstractExporterTest {
+
+}
diff --git a/...a/io/quarkus/it/opentelemetry/vertx/exporter/grpc/SimpleGrpcNoTLSWithCompressionTest.java b/...a/io/quarkus/it/opentelemetry/vertx/exporter/grpc/SimpleGrpcNoTLSWithCompressionTest.java
@@ -0,0 +1,16 @@
+package io.quarkus.it.opentelemetry.vertx.exporter.grpc;
+
+import io.quarkus.it.opentelemetry.vertx.exporter.AbstractExporterTest;
+import io.quarkus.it.opentelemetry.vertx.exporter.OtelCollectorLifecycleManager;
+import io.quarkus.it.opentelemetry.vertx.exporter.SimpleProfile;
+import io.quarkus.test.common.QuarkusTestResource;
+import io.quarkus.test.common.ResourceArg;
+import io.quarkus.test.junit.QuarkusTest;
+import io.quarkus.test.junit.TestProfile;
+
+@QuarkusTest
+@QuarkusTestResource(value = OtelCollectorLifecycleManager.class, initArgs = @ResourceArg(name = "enableCompression", value = "true"), restrictToAnnotatedClass = true)
+@TestProfile(SimpleProfile.class)
+public class SimpleGrpcNoTLSWithCompressionTest extends AbstractExporterTest {
+
+}