add ExtendedOpenTelemetry

Author: zeitlinger

instrumentation/opentelemetry-api/opentelemetry-api-1.55/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/opentelemetryapi/v1_55/OpenTelemetryApiInstrumentationModule.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.javaagent.instrumentation.opentelemetryapi.v1_55;
+
+import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.hasClassesNamed;
+import static java.util.Collections.singletonList;
+import static net.bytebuddy.matcher.ElementMatchers.not;
+
+import com.google.auto.service.AutoService;
+import io.opentelemetry.javaagent.extension.instrumentation.InstrumentationModule;
+import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
+import io.opentelemetry.javaagent.extension.instrumentation.internal.ExperimentalInstrumentationModule;
+import java.util.List;
+import net.bytebuddy.matcher.ElementMatcher;
+
+@AutoService(InstrumentationModule.class)
+public class OpenTelemetryApiInstrumentationModule extends InstrumentationModule
+    implements ExperimentalInstrumentationModule {
+  public OpenTelemetryApiInstrumentationModule() {
+    super("opentelemetry-api", "opentelemetry-api-1.55");
+  }
+
+  @Override
+  public ElementMatcher.Junction<ClassLoader> classLoaderMatcher() {
+    return hasClassesNamed("application.io.opentelemetry.api.common.Value")
+        .and(
+            // disable when incubating api is present
+            not(hasClassesNamed("io.opentelemetry.api.incubator.ExtendedOpenTelemetry")));
+  }
+
+  @Override
+  public List<TypeInstrumentation> typeInstrumentations() {
+    return singletonList(new OpenTelemetryInstrumentation());
+  }
+
+  @Override
+  public String getModuleGroup() {
+    return "opentelemetry-api-bridge";
+  }
+}

instrumentation/opentelemetry-api/opentelemetry-api-1.55/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/opentelemetryapi/v1_55/OpenTelemetryInstrumentation.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.javaagent.instrumentation.opentelemetryapi.v1_55;
+
+import static net.bytebuddy.matcher.ElementMatchers.named;
+import static net.bytebuddy.matcher.ElementMatchers.none;
+
+import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
+import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
+import io.opentelemetry.javaagent.instrumentation.opentelemetryapi.v1_55.incubator.ApplicationOpenTelemetry155Incubator;
+import io.opentelemetry.javaagent.instrumentation.opentelemetryapi.v1_55.incubator.config.ApplicationConfigProvider155Incubator;
+import io.opentelemetry.javaagent.instrumentation.opentelemetryapi.v1_55.incubator.config.ApplicationDeclarativeConfigProperties155Incubator;
+import net.bytebuddy.asm.Advice;
+import net.bytebuddy.description.type.TypeDescription;
+import net.bytebuddy.matcher.ElementMatcher;
+
+public class OpenTelemetryInstrumentation implements TypeInstrumentation {
+
+  @Override
+  public ElementMatcher<TypeDescription> typeMatcher() {
+    return named("application.io.opentelemetry.api.GlobalOpenTelemetry");
+  }
+
+  @Override
+  public void transform(TypeTransformer transformer) {
+    transformer.applyAdviceToMethod(
+        none(), OpenTelemetryInstrumentation.class.getName() + "$InitAdvice");
+  }
+
+  @SuppressWarnings({"ReturnValueIgnored", "unused"})
+  public static class InitAdvice {
+    @Advice.OnMethodEnter
+    public static void init() {
+      // the sole purpose of this advice is to ensure that the classes are
+      // recognized as helper class and injected into class loader
+      ApplicationOpenTelemetry155Incubator.class.getName();
+      ApplicationDeclarativeConfigProperties155Incubator.class.getName();
+      ApplicationConfigProvider155Incubator.class.getName();
+    }
+  }
+}

instrumentation/opentelemetry-api/opentelemetry-api-1.55/javaagent/src/test/java/io/opentelemetry/javaagent/instrumentation/opentelemetryapi/v1_55/incubator/ExtendedOpenTelemetryTest.java

@@ -30,7 +30,6 @@ void setup() {
   void getConfig() {
     DeclarativeConfigProperties instrumentationConfig =
         extendedOpenTelemetry.getConfigProvider().getInstrumentationConfig();
-    // todo test for not null with declarative config present
     assertThat(instrumentationConfig).isNull();
   }
 }