Forbid applications without a container cluster in hosted Vespa

3 files changed, 80 insertions, 0 deletions

diff --git a/config-model/src/main/java/com/yahoo/vespa/model/application/validation/ContainerInCloudValidator.java b/config-model/src/main/java/com/yahoo/vespa/model/application/validation/ContainerInCloudValidator.java
new file mode 100644
index 00000000000..d9bf82980d7
--- /dev/null
+++ b/config-model/src/main/java/com/yahoo/vespa/model/application/validation/ContainerInCloudValidator.java
@@ -0,0 +1,19 @@
+package com.yahoo.vespa.model.application.validation;
+
+import com.yahoo.config.model.deploy.DeployState;
+import com.yahoo.vespa.model.VespaModel;
+
+/**
+ * Validates that a Vespa Cloud application has at least one container cluster.
+ *
+ * @author jonmv
+ */
+public class ContainerInCloudValidator extends Validator {
+
+    @Override
+    public void validate(VespaModel model, DeployState deployState) {
+        if (deployState.isHosted() && model.getContainerClusters().isEmpty())
+            throw new IllegalArgumentException("Vespa Cloud applications must have at least one container cluster");
+    }
+
+}
diff --git a/config-model/src/main/java/com/yahoo/vespa/model/application/validation/Validation.java b/config-model/src/main/java/com/yahoo/vespa/model/application/validation/Validation.java
index 2576d9cb392..4f2f8e7932c 100644
--- a/config-model/src/main/java/com/yahoo/vespa/model/application/validation/Validation.java
+++ b/config-model/src/main/java/com/yahoo/vespa/model/application/validation/Validation.java
@@ -76,6 +76,7 @@ public class Validation {
         new StreamingValidator().validate(model, deployState);
         new RankSetupValidator(validationParameters.ignoreValidationErrors()).validate(model, deployState);
         new NoPrefixForIndexes().validate(model, deployState);
+        new ContainerInCloudValidator().validate(model, deployState);
         new DeploymentSpecValidator().validate(model, deployState);
         new ValidationOverridesValidator().validate(model, deployState);
         new ConstantValidator().validate(model, deployState);
diff --git a/config-model/src/test/java/com/yahoo/vespa/model/application/validation/ContainerInCloudValidatorTest.java b/config-model/src/test/java/com/yahoo/vespa/model/application/validation/ContainerInCloudValidatorTest.java
new file mode 100644
index 00000000000..3feb8888821
--- /dev/null
+++ b/config-model/src/test/java/com/yahoo/vespa/model/application/validation/ContainerInCloudValidatorTest.java
@@ -0,0 +1,60 @@
+package com.yahoo.vespa.model.application.validation;
+
+import com.yahoo.config.application.api.ApplicationPackage;
+import com.yahoo.config.model.NullConfigModelRegistry;
+import com.yahoo.config.model.deploy.DeployState;
+import com.yahoo.config.model.deploy.TestProperties;
+import com.yahoo.config.model.test.MockApplicationPackage;
+import com.yahoo.vespa.model.VespaModel;
+import org.junit.jupiter.api.Test;
+import org.xml.sax.SAXException;
+
+import java.io.IOException;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class ContainerInCloudValidatorTest {
+
+    @Test
+    void failsWhenNoContainerInCloud() throws IOException, SAXException {
+        String noContainer = "";
+        String container = """
+                           <container id='default' version='1.0'>
+                             <nodes count='2' />
+                           </container>
+                           """;
+        runValidatorOnApp(false, container);
+        runValidatorOnApp(false, noContainer);
+        runValidatorOnApp(true, container);
+        assertEquals("Vespa Cloud applications must have at least one container cluster",
+                     assertThrows(IllegalArgumentException.class,
+                                  () -> runValidatorOnApp(true, noContainer))
+                             .getMessage());
+    }
+
+    private static void runValidatorOnApp(boolean isHosted, String container) throws IOException, SAXException {
+        String servicesXml = """
+                        <services version='1.0'>
+                          %s
+                          <content version='1.0'>
+                            <redundancy>2</redundancy>
+                            <documents>
+                            </documents>
+                            <nodes count='2' />
+                          </content>
+                        </services>
+                """.formatted(container);
+        ApplicationPackage app = new MockApplicationPackage.Builder()
+                .withServices(servicesXml)
+                .build();
+        DeployState deployState = new DeployState.Builder()
+                .applicationPackage(app)
+                .properties(new TestProperties().setHostedVespa(isHosted).setAllowUserFilters(false))
+                .build();
+        VespaModel model = new VespaModel(new NullConfigModelRegistry(), deployState);
+        new ContainerInCloudValidator().validate(model, deployState);
+    }
+
+}