SWATCH-2809: Add traceresponse header to quarkus HTTP responses

settings.gradle

@@ -56,3 +56,4 @@ include ':swatch-common-platform-spring-boot'
 include ':swatch-common-platform-quarkus'
 include ':swatch-common-clock'
 include ':swatch-metrics'
+include ':swatch-common-trace-response'

swatch-billable-usage/build.gradle

@@ -24,6 +24,7 @@ dependencies {
     implementation project(':swatch-common-panache')
     implementation project(':swatch-common-kafka')
     implementation project(':swatch-common-smallrye-fault-tolerance')
+    implementation project(':swatch-common-trace-response')
     implementation libraries["clowder-quarkus-config-source"]
     implementation libraries["quarkus-logging-splunk"]
     implementation libraries["splunk-library-javalogging"]

swatch-common-trace-response/build.gradle

@@ -0,0 +1,11 @@
+plugins {
+    id 'swatch.java-library-conventions'
+}
+
+dependencies {
+    implementation enforcedPlatform(libraries["quarkus-bom"])
+    implementation 'io.quarkus:quarkus-resteasy-reactive-jackson'
+    implementation('io.opentelemetry:opentelemetry-api')
+}
+
+description = 'Shared header logic for quarkus swatch services'

swatch-common-trace-response/src/main/java/com/redhat/swatch/traceresponse/TraceResponseFilter.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright Red Hat, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Red Hat trademarks are not licensed under GPLv3. No permission is
+ * granted to use or replicate Red Hat trademarks that are incorporated
+ * in this software or its documentation.
+ */
+package com.redhat.swatch.traceresponse;
+
+import io.opentelemetry.api.trace.Span;
+import io.opentelemetry.api.trace.SpanContext;
+import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.ws.rs.container.ContainerResponseContext;
+import lombok.extern.slf4j.Slf4j;
+import org.jboss.resteasy.reactive.server.ServerResponseFilter;
+
+/** See https://w3c.github.io/trace-context/#traceresponse-header for reference and format */
+@ApplicationScoped
+@Slf4j
+public class TraceResponseFilter {
+
+  @ServerResponseFilter
+  public void responseBasicHeaderFilter(ContainerResponseContext responseContext) {
+    SpanContext spanContext = Span.current().getSpanContext();
+    responseContext
+        .getHeaders()
+        .putSingle(
+            "traceresponse",
+            String.format(
+                "00-%s-%s-%s  ",
+                spanContext.getTraceId(), spanContext.getSpanId(), spanContext.getTraceFlags()));
+  }
+
+  @ServerResponseFilter
+  public void responseLoggingFilter(ContainerResponseContext responseContext) {
+    log.debug(
+        "Sent: [traceresponse: {}] {} {}",
+        responseContext.getHeaderString("traceresponse"),
+        responseContext.getStatusInfo(),
+        responseContext.getEntity());
+  }
+}

swatch-contracts/build.gradle

@@ -47,6 +47,7 @@ dependencies {
     implementation project(':swatch-product-configuration')
     implementation project(':swatch-common-resteasy-client')
     implementation project(":clients:rh-partner-gateway-client")
+    implementation project(':swatch-common-trace-response')
     implementation libraries["clowder-quarkus-config-source"]
     implementation libraries["quarkus-logging-splunk"]
     implementation libraries["splunk-library-javalogging"]

swatch-metrics/build.gradle

@@ -23,6 +23,7 @@ dependencies {
     implementation project(':swatch-common-clock')
     implementation project(':swatch-model-events')
     implementation project(':clients:quarkus:prometheus-client')
+    implementation project(':swatch-common-trace-response')
     implementation libraries["clowder-quarkus-config-source"]
     implementation libraries["quarkus-logging-splunk"]
     implementation libraries["splunk-library-javalogging"]

swatch-producer-aws/build.gradle

@@ -27,6 +27,7 @@ dependencies {
     implementation project(":swatch-product-configuration")
     implementation project(":swatch-common-kafka")
     implementation project(":swatch-common-resteasy-client")
+    implementation project(':swatch-common-trace-response')
     testImplementation 'io.rest-assured:rest-assured'
     testImplementation 'org.mockito:mockito-junit-jupiter'
     testImplementation 'org.testcontainers:junit-jupiter'

swatch-producer-azure/build.gradle

@@ -26,6 +26,7 @@ dependencies {
     implementation project(':swatch-common-resteasy-client')
     implementation project(":clients:azure-marketplace-client")
     implementation project(':swatch-model-billable-usage')
+    implementation project(':swatch-common-trace-response')
     annotationProcessor enforcedPlatform(libraries["quarkus-bom"])
     testImplementation 'io.rest-assured:rest-assured'
     testImplementation 'org.mockito:mockito-junit-jupiter'