Suppress OtelDeprecatedApiUsage in armeria-grpc instrumentation

GrpcServiceBuilder is not a ServerBuilder, so configureServerBuilder()
cannot be used here. Suppress the deprecation warning for createServerInterceptor().

Author: trask

instrumentation/armeria/armeria-grpc-1.14/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/armeria/grpc/v1_14/ArmeriaGrpcServiceBuilderInstrumentation.java

@@ -12,6 +12,7 @@
 import com.linecorp.armeria.server.grpc.GrpcServiceBuilder;
 import io.opentelemetry.api.GlobalOpenTelemetry;
 import io.opentelemetry.instrumentation.grpc.v1_6.GrpcTelemetry;
+import io.opentelemetry.instrumentation.grpc.v1_6.internal.Internal;
 import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
 import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
 import net.bytebuddy.asm.Advice;
@@ -36,7 +37,8 @@ public static class BuildAdvice {
 
     @Advice.OnMethodEnter
     public static void onEnter(@Advice.This GrpcServiceBuilder builder) {
-      builder.intercept(GrpcTelemetry.create(GlobalOpenTelemetry.get()).createServerInterceptor());
+      GrpcTelemetry telemetry = GrpcTelemetry.create(GlobalOpenTelemetry.get());
+      builder.intercept(Internal.createServerInterceptor(telemetry));
     }
   }
 }

instrumentation/grpc-1.6/library/src/main/java/io/opentelemetry/instrumentation/grpc/v1_6/GrpcTelemetry.java

@@ -12,10 +12,15 @@
 import io.opentelemetry.api.OpenTelemetry;
 import io.opentelemetry.context.propagation.ContextPropagators;
 import io.opentelemetry.instrumentation.api.instrumenter.Instrumenter;
+import io.opentelemetry.instrumentation.grpc.v1_6.internal.Internal;
 
 /** Entrypoint for instrumenting gRPC servers or clients. */
 public final class GrpcTelemetry {
 
+  static {
+    Internal.setServerInterceptorFactory(GrpcTelemetry::newServerInterceptor);
+  }
+
   /** Returns a new {@link GrpcTelemetry} configured with the given {@link OpenTelemetry}. */
   public static GrpcTelemetry create(OpenTelemetry openTelemetry) {
     return builder(openTelemetry).build();
@@ -60,7 +65,7 @@ public ClientInterceptor createClientInterceptor() {
    * creates spans for requests to unregistered services that are not seen by server interceptors.
    */
   public void configureServerBuilder(ServerBuilder<?> serverBuilder) {
-    serverBuilder.intercept(createServerInterceptor());
+    serverBuilder.intercept(newServerInterceptor());
     serverBuilder.addStreamTracerFactory(
         new TracingServerStreamTracerFactory(serverInstrumenter, propagators));
   }
@@ -74,6 +79,10 @@ public void configureServerBuilder(ServerBuilder<?> serverBuilder) {
    */
   @Deprecated
   public ServerInterceptor createServerInterceptor() {
+    return newServerInterceptor();
+  }
+
+  ServerInterceptor newServerInterceptor() {
     return new TracingServerInterceptor(
         serverInstrumenter, captureExperimentalSpanAttributes, emitMessageEvents);
   }

instrumentation/grpc-1.6/library/src/main/java/io/opentelemetry/instrumentation/grpc/v1_6/internal/Internal.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.instrumentation.grpc.v1_6.internal;
+
+import io.grpc.ServerInterceptor;
+import io.opentelemetry.instrumentation.grpc.v1_6.GrpcTelemetry;
+import java.util.function.Function;
+
+/**
+ * This class is internal and is hence not for public use. Its APIs are unstable and can change at
+ * any time.
+ */
+public final class Internal {
+
+  private static volatile Function<GrpcTelemetry, ServerInterceptor> serverInterceptorFactory;
+
+  public static void setServerInterceptorFactory(
+      Function<GrpcTelemetry, ServerInterceptor> factory) {
+    serverInterceptorFactory = factory;
+  }
+
+  public static ServerInterceptor createServerInterceptor(GrpcTelemetry telemetry) {
+    return serverInterceptorFactory.apply(telemetry);
+  }
+
+  private Internal() {}
+}