MicroProfile Telemetry compatibility

extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/tracing/cdi/TracerProducer.java

@@ -2,14 +2,24 @@
 
 import static io.quarkus.opentelemetry.runtime.config.build.OTelBuildConfig.INSTRUMENTATION_NAME;
 
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+import java.util.function.BiConsumer;
+
 import jakarta.enterprise.context.ApplicationScoped;
 import jakarta.enterprise.context.RequestScoped;
 import jakarta.enterprise.inject.Produces;
 import jakarta.inject.Singleton;
 
 import io.opentelemetry.api.GlobalOpenTelemetry;
 import io.opentelemetry.api.baggage.Baggage;
+import io.opentelemetry.api.baggage.BaggageBuilder;
+import io.opentelemetry.api.baggage.BaggageEntry;
+import io.opentelemetry.api.common.AttributeKey;
+import io.opentelemetry.api.common.Attributes;
 import io.opentelemetry.api.trace.Span;
+import io.opentelemetry.api.trace.SpanContext;
+import io.opentelemetry.api.trace.StatusCode;
 import io.opentelemetry.api.trace.Tracer;
 import io.quarkus.arc.DefaultBean;
 import io.quarkus.opentelemetry.runtime.tracing.DelayedAttributes;
@@ -33,13 +43,93 @@ public Tracer getTracer() {
     @RequestScoped
     @DefaultBean
     public Span getSpan() {
-        return Span.current();
+        return new Span() {
+            @Override
+            public <T> Span setAttribute(final AttributeKey<T> key, final T value) {
+                return Span.current().setAttribute(key, value);
+            }
+
+            @Override
+            public Span addEvent(final String name, final Attributes attributes) {
+                return Span.current().addEvent(name, attributes);
+            }
+
+            @Override
+
+            public Span addEvent(
+                    final String name,
+                    final Attributes attributes,
+                    final long timestamp,
+                    final TimeUnit unit) {
+                return Span.current().addEvent(name, attributes, timestamp, unit);
+            }
+
+            @Override
+            public Span setStatus(final StatusCode statusCode, final String description) {
+                return Span.current().setStatus(statusCode, description);
+            }
+
+            @Override
+            public Span recordException(final Throwable exception, final Attributes additionalAttributes) {
+                return Span.current().recordException(exception, additionalAttributes);
+            }
+
+            @Override
+            public Span updateName(final String name) {
+                return Span.current().updateName(name);
+            }
+
+            @Override
+            public void end() {
+                Span.current().end();
+            }
+
+            @Override
+            public void end(final long timestamp, final TimeUnit unit) {
+                Span.current().end(timestamp, unit);
+            }
+
+            @Override
+            public SpanContext getSpanContext() {
+                return Span.current().getSpanContext();
+            }
+
+            @Override
+            public boolean isRecording() {
+                return Span.current().isRecording();
+            }
+        };
     }
 
     @Produces
     @RequestScoped
     @DefaultBean
     public Baggage getBaggage() {
-        return Baggage.current();
+        return new Baggage() {
+            @Override
+            public int size() {
+                return Baggage.current().size();
+            }
+
+            @Override
+            public void forEach(final BiConsumer<? super String, ? super BaggageEntry> consumer) {
+                Baggage.current().forEach(consumer);
+            }
+
+            @Override
+            public Map<String, BaggageEntry> asMap() {
+                return Baggage.current().asMap();
+            }
+
+            @Override
+            public String getEntryValue(final String entryKey) {
+                return Baggage.current().getEntryValue(entryKey);
+            }
+
+            @Override
+            public BaggageBuilder toBuilder() {
+                return Baggage.current().toBuilder();
+            }
+        };
     }
 }

extensions/opentelemetry/runtime/src/main/java/io/quarkus/opentelemetry/runtime/tracing/intrumentation/resteasy/OpenTelemetryClassicThreadContext.java

@@ -0,0 +1,35 @@
+package io.quarkus.opentelemetry.runtime.tracing.intrumentation.resteasy;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import jakarta.ws.rs.ext.Provider;
+
+import org.jboss.resteasy.spi.concurrent.ThreadContext;
+
+import io.opentelemetry.context.Context;
+import io.opentelemetry.context.Scope;
+
+@Provider
+public class OpenTelemetryClassicThreadContext implements ThreadContext<Map<String, Object>> {
+    @Override
+    public Map<String, Object> capture() {
+        Map<String, Object> context = new HashMap<>();
+        context.put("context", Context.current());
+        return context;
+    }
+
+    @Override
+    public void push(final Map<String, Object> context) {
+        Context current = (Context) context.get("context");
+        Scope scope = current.makeCurrent();
+        context.put("scope", scope);
+    }
+
+    @Override
+    public void reset(final Map<String, Object> context) {
+        Scope scope = (Scope) context.get("scope");
+        scope.close();
+        context.clear();
+    }
+}

extensions/opentelemetry/runtime/src/main/resources/META-INF/services/org.jboss.resteasy.spi.concurrent.ThreadContext

@@ -0,0 +1 @@
+io.quarkus.opentelemetry.runtime.tracing.intrumentation.resteasy.OpenTelemetryClassicThreadContext