feat(config): add OpenTelemetry OTLP config for Datadog

Dockerfile

@@ -1,6 +1,7 @@
 FROM eclipse-temurin:25-jre-alpine
 
 ENV PORT=8080
+ENV JAVA_TOOL_OPTIONS="-Dotel.java.global-autoconfigure.enabled=true"
 
 RUN apk add --no-cache shadow && \
     groupadd -r idp-core-group && \

pom.xml

@@ -85,6 +85,13 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+      <dependency>
+        <groupId>io.opentelemetry</groupId>
+        <artifactId>opentelemetry-bom</artifactId>
+        <version>1.54.0</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
     </dependencies>
   </dependencyManagement>
 
@@ -337,6 +344,28 @@
       <artifactId>camel-rest-starter</artifactId>
     </dependency>
 
+    <dependency>
+      <groupId>io.opentelemetry</groupId>
+      <artifactId>opentelemetry-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>io.opentelemetry</groupId>
+      <artifactId>opentelemetry-sdk</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>io.opentelemetry</groupId>
+      <artifactId>opentelemetry-sdk-extension-autoconfigure</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>io.opentelemetry</groupId>
+      <artifactId>opentelemetry-exporter-otlp</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.camel.springboot</groupId>
+      <artifactId>camel-opentelemetry-starter</artifactId>
+    </dependency>
+
   </dependencies>
 
   <build>
@@ -545,6 +574,7 @@
             <exclude>org.hibernate.orm:hibernate-core:6.6.29.Final</exclude>
             <exclude>ch.qos.logback:logback-classic:1.5.34</exclude>
             <exclude>ch.qos.logback:logback-core:1.5.34</exclude>
+            <exclude>org.codehaus.mojo:animal-sniffer-annotations:1.26</exclude>
           </exclusions>
         </configuration>
         <executions>

src/main/java/com/decathlon/idp_core/infrastructure/adapters/api/controller/OtelDebugController.java

@@ -0,0 +1,44 @@
+package com.decathlon.idp_core.infrastructure.adapters.api.controller;
+
+import java.util.Map;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import io.opentelemetry.api.GlobalOpenTelemetry;
+import io.opentelemetry.api.trace.Span;
+import io.opentelemetry.api.trace.StatusCode;
+import io.opentelemetry.api.trace.Tracer;
+import io.opentelemetry.context.Scope;
+
+/**
+ * Debug endpoint used to validate that OpenTelemetry spans are created and
+ * exported.
+ *
+ * <p>
+ * This endpoint intentionally creates a custom span with attributes and logs an
+ * event so that Cloud Run logs can confirm whether the SDK is active and
+ * whether the exporter is called.
+ */
+@RestController
+@RequestMapping("/debug")
+public class OtelDebugController {
+
+  private static final Tracer TRACER = GlobalOpenTelemetry.get().getTracer("idp-core-debug");
+
+  @GetMapping("/otel-test")
+  public ResponseEntity<Map<String, String>> triggerOtelTrace() {
+    Span span = TRACER.spanBuilder("debug.otel-test").setAttribute("debug.enabled", true)
+        .setAttribute("debug.route", "/debug/otel-test").startSpan();
+
+    try (Scope ignored = span.makeCurrent()) {
+      span.addEvent("debug-otel-triggered");
+      span.setStatus(StatusCode.OK);
+      return ResponseEntity.ok(Map.of("status", "ok", "trace", "debug.otel-test"));
+    } finally {
+      span.end();
+    }
+  }
+}

src/main/resources/application.yml

@@ -170,27 +170,40 @@ idp:
 
 logging:
   level:
-    # Application log level, defaults to INFO. Override per environment via LOG_LEVEL env var.
+    io.opentelemetry: DEBUG
+    org.apache.camel.opentelemetry: DEBUG
     com.decathlon: ${LOG_LEVEL:INFO}
-    # Suppresses noisy Spring context startup logs at WARN level.
     org.springframework.context.support: WARN
-    # Suppresses a specific repetitive bean registration delegate log line.
     org.springframework.context.support.PostProcessorRegistrationDelegate: ERROR
 
+otel:
+  service:
+    name: ${OTEL_SERVICE_NAME:internal-developer-platform}
+  traces:
+    exporter: otlp
+  metrics:
+    exporter: otlp
+  logs:
+    exporter: none
+  exporter:
+    otlp:
+      endpoint: ${OTEL_EXPORTER_OTLP_ENDPOINT}
+      protocol: ${OTEL_EXPORTER_OTLP_PROTOCOL:http/protobuf}
+  resource:
+    attributes:
+      deployment.environment: ${OTEL_ENV}
+      service.namespace: ${OTEL_SERVICE_NAMESPACE}
+      X-Datadog-Org: ${ORG}
+      X-Backend: ${BACKEND}
+
+camel:
+  opentelemetry:
+    enabled: true
+
 management:
   tracing:
-    # Tracing is disabled by default and only enabled via environment variables (OTEL_TRACING_ENABLED).
-    enabled: false
-    sampling:
-      probability: 1.0  # 100% des traces
-
-  otlp:
-    tracing:
-      endpoint: ${OPEN_TELEMETRY_URL:""}
-      headers:
-        swagger:
-          enabled: ${APP_SECURITY_SWAGGER_ENABLED:true}
-        authorization: ${OPEN_TELEMETRY_TOKEN:""}
+    # Tracing is disabled by default and only enabled via environment variables.
+    enabled: ${OTEL_TRACING_ENABLED:false}
 
   endpoints:
     web:
@@ -220,23 +233,3 @@ management:
       # Shows full health details only to authenticated users.
       # Avoids leaking internal infrastructure info to unauthenticated callers.
       show-details: when_authorized
-
-camel:
-  component:
-    platform-http:
-      engine: "servlet"
-      # Never expose the health "details" map (e.g. database product name/version,
-      # validation query, disk space paths). Only UP/DOWN status is shown.
-      show-details: never
-      # Still surface per-component status (e.g. db: UP/DOWN) so direct
-      # dependencies can be checked, without leaking their details.
-      show-components: always
-  health:
-    diskspace:
-      # DiskSpace is not a direct dependency and its free/threshold values
-      # are not relevant to consumers checking service health.
-      enabled: false
-    ssl:
-      # SSL certificate/chain info is internal infrastructure detail and
-      # must not be exposed via actuator.
-      enabled: false