1 files changed, 43 insertions, 0 deletions
diff --git a/tenant-cd-api/src/main/java/ai/vespa/hosted/cd/EnabledInInstances.java b/tenant-cd-api/src/main/java/ai/vespa/hosted/cd/EnabledInInstances.java
new file mode 100644
index 00000000000..a7c08dfeb18
--- /dev/null
+++ b/tenant-cd-api/src/main/java/ai/vespa/hosted/cd/EnabledInInstances.java
@@ -0,0 +1,43 @@
+package ai.vespa.hosted.cd;
+
+import org.junit.jupiter.api.extension.ConditionEvaluationResult;
+import org.junit.jupiter.api.extension.ExecutionCondition;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.api.extension.ExtensionContext;
+import org.junit.platform.commons.util.AnnotationUtils;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * @author jonmv
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.METHOD, ElementType.TYPE, ElementType.ANNOTATION_TYPE})
+@ExtendWith(EnabledInInstancesCondition.class)
+public @interface EnabledInInstances {
+
+    /** One or more instances that this should be enabled in. */
+    String[] value();
+
+}
+
+class EnabledInInstancesCondition implements ExecutionCondition {
+
+    @Override
+    public ConditionEvaluationResult evaluateExecutionCondition(ExtensionContext context) {
+        Optional<EnabledInInstances> annotation = AnnotationUtils.findAnnotation(context.getElement(), EnabledInInstances.class);
+        if (annotation.isEmpty())
+            return ConditionEvaluationResult.enabled(EnabledInInstances.class.getSimpleName() + " is not present");
+
+        List<String> enablingInstances = List.of(annotation.get().value());
+        String thisInstance = TestRuntime.get().application().instance();
+        String reason = "Enabled in: %s. Current instance: %s.".formatted(enablingInstances.isEmpty() ? "no instances" : " instances " + String.join(", ", enablingInstances), thisInstance);
+        return enablingInstances.contains(thisInstance) ? ConditionEvaluationResult.enabled(reason) : ConditionEvaluationResult.disabled(reason);
+    }
+
+}
+\ No newline at end of file