CAMEL-23225: Propagate OpenTelemetry context across thread boundaries in camel-opentelemetry2

components/camel-opentelemetry2/src/generated/resources/META-INF/services/org/apache/camel/thread-factory-listener

@@ -0,0 +1,2 @@
+# Generated by camel build tools - do NOT edit this file!
+class=org.apache.camel.opentelemetry2.OpenTelemetryInstrumentedThreadFactoryListener

components/camel-opentelemetry2/src/generated/resources/META-INF/services/org/apache/camel/thread-pool-factory

@@ -0,0 +1,2 @@
+# Generated by camel build tools - do NOT edit this file!
+class=org.apache.camel.opentelemetry2.OpenTelemetryInstrumentedThreadPoolFactory

components/camel-opentelemetry2/src/main/java/org/apache/camel/opentelemetry2/OpenTelemetryInstrumentedThreadFactoryListener.java

@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.opentelemetry2;
+
+import java.util.concurrent.ThreadFactory;
+
+import io.opentelemetry.context.Context;
+import org.apache.camel.spi.ExecutorServiceManager;
+import org.apache.camel.spi.annotations.JdkService;
+
+@JdkService(ExecutorServiceManager.ThreadFactoryListener.FACTORY)
+public class OpenTelemetryInstrumentedThreadFactoryListener implements ExecutorServiceManager.ThreadFactoryListener {
+
+    @Override
+    public ThreadFactory onNewThreadFactory(Object source, ThreadFactory factory) {
+        return runnable -> factory.newThread(Context.current().wrap(runnable));
+    }
+}

components/camel-opentelemetry2/src/main/java/org/apache/camel/opentelemetry2/OpenTelemetryInstrumentedThreadPoolFactory.java

@@ -0,0 +1,69 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.opentelemetry2;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.RejectedExecutionHandler;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.TimeUnit;
+
+import io.opentelemetry.context.Context;
+import org.apache.camel.spi.ThreadPoolFactory;
+import org.apache.camel.spi.ThreadPoolProfile;
+import org.apache.camel.spi.annotations.JdkService;
+import org.apache.camel.support.DefaultThreadPoolFactory;
+
+@JdkService(ThreadPoolFactory.FACTORY)
+public class OpenTelemetryInstrumentedThreadPoolFactory extends DefaultThreadPoolFactory {
+
+    @Override
+    public ExecutorService newCachedThreadPool(ThreadFactory threadFactory) {
+        return Context.taskWrapping(super.newCachedThreadPool(threadFactory));
+    }
+
+    @Override
+    public ExecutorService newThreadPool(
+            int corePoolSize,
+            int maxPoolSize,
+            long keepAliveTime,
+            TimeUnit timeUnit,
+            int maxQueueSize,
+            boolean allowCoreThreadTimeOut,
+            RejectedExecutionHandler rejectedExecutionHandler,
+            ThreadFactory threadFactory)
+            throws IllegalArgumentException {
+
+        ExecutorService executorService = super.newThreadPool(
+                corePoolSize,
+                maxPoolSize,
+                keepAliveTime,
+                timeUnit,
+                maxQueueSize,
+                allowCoreThreadTimeOut,
+                rejectedExecutionHandler,
+                threadFactory);
+
+        return Context.taskWrapping(executorService);
+    }
+
+    @Override
+    public ScheduledExecutorService newScheduledThreadPool(ThreadPoolProfile profile, ThreadFactory threadFactory) {
+        return Context.taskWrapping(super.newScheduledThreadPool(profile, threadFactory));
+    }
+
+}

dsl/camel-kamelet-main/src/generated/resources/camel-factoryfinder-known-dependencies.properties

@@ -54,4 +54,5 @@ META-INF/services/org/apache/camel/rest-registry-factory=camel:rest
 META-INF/services/org/apache/camel/startup-step-recorder=camel:jfr
 META-INF/services/org/apache/camel/telemetry-dev-tracer=camel:telemetry-dev
 META-INF/services/org/apache/camel/thread-factory-listener=camel:opentelemetry
+META-INF/services/org/apache/camel/thread-factory-listener=camel:opentelemetry2
 META-INF/services/org/apache/camel/write-ahead-resume-strategy=camel:wal