[8.19] Semantic Text Index Options Integration Tests (#130453) (#130582)

* Semantic Text Index Options Integration Tests (#130453)

* Remove default BBQ index options test

x-pack/plugin/inference/src/internalClusterTest/java/org/elasticsearch/xpack/inference/integration/SemanticTextIndexOptionsIT.java

@@ -0,0 +1,277 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+package org.elasticsearch.xpack.inference.integration;
+
+import org.elasticsearch.action.admin.indices.mapping.get.GetFieldMappingsAction;
+import org.elasticsearch.action.admin.indices.mapping.get.GetFieldMappingsRequest;
+import org.elasticsearch.action.support.IndicesOptions;
+import org.elasticsearch.common.bytes.BytesReference;
+import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.common.xcontent.XContentHelper;
+import org.elasticsearch.core.Nullable;
+import org.elasticsearch.core.TimeValue;
+import org.elasticsearch.index.mapper.vectors.DenseVectorFieldMapper;
+import org.elasticsearch.index.mapper.vectors.IndexOptions;
+import org.elasticsearch.inference.TaskType;
+import org.elasticsearch.license.GetLicenseAction;
+import org.elasticsearch.license.License;
+import org.elasticsearch.license.LicenseSettings;
+import org.elasticsearch.license.PostStartBasicAction;
+import org.elasticsearch.license.PostStartBasicRequest;
+import org.elasticsearch.license.PutLicenseAction;
+import org.elasticsearch.license.PutLicenseRequest;
+import org.elasticsearch.license.TestUtils;
+import org.elasticsearch.plugins.Plugin;
+import org.elasticsearch.protocol.xpack.license.GetLicenseRequest;
+import org.elasticsearch.reindex.ReindexPlugin;
+import org.elasticsearch.test.ESIntegTestCase;
+import org.elasticsearch.test.InternalTestCluster;
+import org.elasticsearch.xcontent.ToXContent;
+import org.elasticsearch.xcontent.XContentBuilder;
+import org.elasticsearch.xcontent.XContentFactory;
+import org.elasticsearch.xcontent.XContentType;
+import org.elasticsearch.xpack.core.inference.action.DeleteInferenceEndpointAction;
+import org.elasticsearch.xpack.core.inference.action.PutInferenceModelAction;
+import org.elasticsearch.xpack.inference.InferenceIndex;
+import org.elasticsearch.xpack.inference.LocalStateInferencePlugin;
+import org.elasticsearch.xpack.inference.mapper.SemanticTextFieldMapper;
+import org.elasticsearch.xpack.inference.mock.TestDenseInferenceServiceExtension;
+import org.elasticsearch.xpack.inference.mock.TestInferenceServicePlugin;
+import org.elasticsearch.xpack.inference.mock.TestSparseInferenceServiceExtension;
+import org.junit.After;
+import org.junit.Before;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
+import static org.hamcrest.CoreMatchers.equalTo;
+
+public class SemanticTextIndexOptionsIT extends ESIntegTestCase {
+    private static final String INDEX_NAME = "test-index";
+    private static final Map<String, Object> BBQ_COMPATIBLE_SERVICE_SETTINGS = Map.of(
+        "model",
+        "my_model",
+        "dimensions",
+        256,
+        "similarity",
+        "cosine",
+        "api_key",
+        "my_api_key"
+    );
+
+    private final Map<String, TaskType> inferenceIds = new HashMap<>();
+
+    @Override
+    protected Settings nodeSettings(int nodeOrdinal, Settings otherSettings) {
+        return Settings.builder().put(LicenseSettings.SELF_GENERATED_LICENSE_TYPE.getKey(), "trial").build();
+    }
+
+    @Override
+    protected Collection<Class<? extends Plugin>> nodePlugins() {
+        return List.of(LocalStateInferencePlugin.class, TestInferenceServicePlugin.class, ReindexPlugin.class);
+    }
+
+    @Before
+    public void resetLicense() throws Exception {
+        setLicense(License.LicenseType.TRIAL);
+    }
+
+    @After
+    public void cleanUp() {
+        assertAcked(
+            safeGet(
+                client().admin()
+                    .indices()
+                    .prepareDelete(INDEX_NAME)
+                    .setIndicesOptions(
+                        IndicesOptions.builder().concreteTargetOptions(new IndicesOptions.ConcreteTargetOptions(true)).build()
+                    )
+                    .execute()
+            )
+        );
+
+        for (var entry : inferenceIds.entrySet()) {
+            assertAcked(
+                safeGet(
+                    client().execute(
+                        DeleteInferenceEndpointAction.INSTANCE,
+                        new DeleteInferenceEndpointAction.Request(entry.getKey(), entry.getValue(), true, false)
+                    )
+                )
+            );
+        }
+    }
+
+    public void testValidateIndexOptionsWithBasicLicense() throws Exception {
+        final String inferenceId = "test-inference-id-1";
+        final String inferenceFieldName = "inference_field";
+        createInferenceEndpoint(TaskType.TEXT_EMBEDDING, inferenceId, BBQ_COMPATIBLE_SERVICE_SETTINGS);
+        downgradeLicenseAndRestartCluster();
+
+        IndexOptions indexOptions = new DenseVectorFieldMapper.Int8HnswIndexOptions(
+            randomIntBetween(1, 100),
+            randomIntBetween(1, 10_000),
+            null,
+            null
+        );
+        assertAcked(
+            safeGet(prepareCreate(INDEX_NAME).setMapping(generateMapping(inferenceFieldName, inferenceId, indexOptions)).execute())
+        );
+
+        final Map<String, Object> expectedFieldMapping = generateExpectedFieldMapping(inferenceFieldName, inferenceId, indexOptions);
+        assertThat(getFieldMappings(inferenceFieldName, false), equalTo(expectedFieldMapping));
+    }
+
+    private void createInferenceEndpoint(TaskType taskType, String inferenceId, Map<String, Object> serviceSettings) throws IOException {
+        final String service = switch (taskType) {
+            case TEXT_EMBEDDING -> TestDenseInferenceServiceExtension.TestInferenceService.NAME;
+            case SPARSE_EMBEDDING -> TestSparseInferenceServiceExtension.TestInferenceService.NAME;
+            default -> throw new IllegalArgumentException("Unhandled task type [" + taskType + "]");
+        };
+
+        final BytesReference content;
+        try (XContentBuilder builder = XContentFactory.jsonBuilder()) {
+            builder.startObject();
+            builder.field("service", service);
+            builder.field("service_settings", serviceSettings);
+            builder.endObject();
+
+            content = BytesReference.bytes(builder);
+        }
+
+        PutInferenceModelAction.Request request = new PutInferenceModelAction.Request(
+            taskType,
+            inferenceId,
+            content,
+            XContentType.JSON,
+            TEST_REQUEST_TIMEOUT
+        );
+        var responseFuture = client().execute(PutInferenceModelAction.INSTANCE, request);
+        assertThat(responseFuture.actionGet(TEST_REQUEST_TIMEOUT).getModel().getInferenceEntityId(), equalTo(inferenceId));
+
+        inferenceIds.put(inferenceId, taskType);
+    }
+
+    private static XContentBuilder generateMapping(String inferenceFieldName, String inferenceId, @Nullable IndexOptions indexOptions)
+        throws IOException {
+        XContentBuilder mapping = XContentFactory.jsonBuilder();
+        mapping.startObject();
+        mapping.field("properties");
+        generateFieldMapping(mapping, inferenceFieldName, inferenceId, indexOptions);
+        mapping.endObject();
+
+        return mapping;
+    }
+
+    private static void generateFieldMapping(
+        XContentBuilder builder,
+        String inferenceFieldName,
+        String inferenceId,
+        @Nullable IndexOptions indexOptions
+    ) throws IOException {
+        builder.startObject();
+        builder.startObject(inferenceFieldName);
+        builder.field("type", SemanticTextFieldMapper.CONTENT_TYPE);
+        builder.field("inference_id", inferenceId);
+        if (indexOptions != null) {
+            builder.startObject("index_options");
+            if (indexOptions instanceof DenseVectorFieldMapper.DenseVectorIndexOptions) {
+                builder.field("dense_vector");
+                indexOptions.toXContent(builder, ToXContent.EMPTY_PARAMS);
+            }
+            builder.endObject();
+        }
+        builder.endObject();
+        builder.endObject();
+    }
+
+    private static Map<String, Object> generateExpectedFieldMapping(
+        String inferenceFieldName,
+        String inferenceId,
+        @Nullable IndexOptions indexOptions
+    ) throws IOException {
+        Map<String, Object> expectedFieldMapping;
+        try (XContentBuilder builder = XContentFactory.jsonBuilder()) {
+            generateFieldMapping(builder, inferenceFieldName, inferenceId, indexOptions);
+            expectedFieldMapping = XContentHelper.convertToMap(BytesReference.bytes(builder), false, XContentType.JSON).v2();
+        }
+
+        return expectedFieldMapping;
+    }
+
+    @SuppressWarnings("unchecked")
+    private static Map<String, Object> filterNullOrEmptyValues(Map<String, Object> map) {
+        Map<String, Object> filteredMap = new HashMap<>();
+        for (var entry : map.entrySet()) {
+            Object value = entry.getValue();
+            if (entry.getValue() instanceof Map<?, ?> mapValue) {
+                if (mapValue.isEmpty()) {
+                    continue;
+                }
+
+                value = filterNullOrEmptyValues((Map<String, Object>) mapValue);
+            }
+
+            if (value != null) {
+                filteredMap.put(entry.getKey(), value);
+            }
+        }
+
+        return filteredMap;
+    }
+
+    private static Map<String, Object> getFieldMappings(String fieldName, boolean includeDefaults) {
+        var request = new GetFieldMappingsRequest().indices(INDEX_NAME).fields(fieldName).includeDefaults(includeDefaults);
+        return safeGet(client().execute(GetFieldMappingsAction.INSTANCE, request)).fieldMappings(INDEX_NAME, fieldName).sourceAsMap();
+    }
+
+    private static void setLicense(License.LicenseType type) throws Exception {
+        if (type == License.LicenseType.BASIC) {
+            assertAcked(
+                safeGet(
+                    client().execute(
+                        PostStartBasicAction.INSTANCE,
+                        new PostStartBasicRequest(TEST_REQUEST_TIMEOUT, TEST_REQUEST_TIMEOUT).acknowledge(true)
+                    )
+                )
+            );
+        } else {
+            License license = TestUtils.generateSignedLicense(
+                type.getTypeName(),
+                License.VERSION_CURRENT,
+                -1,
+                TimeValue.timeValueHours(24)
+            );
+            assertAcked(
+                safeGet(
+                    client().execute(
+                        PutLicenseAction.INSTANCE,
+                        new PutLicenseRequest(TEST_REQUEST_TIMEOUT, TEST_REQUEST_TIMEOUT).license(license)
+                    )
+                )
+            );
+        }
+    }
+
+    private static void assertLicense(License.LicenseType type) {
+        var getLicenseResponse = safeGet(client().execute(GetLicenseAction.INSTANCE, new GetLicenseRequest(TEST_REQUEST_TIMEOUT)));
+        assertThat(getLicenseResponse.license().type(), equalTo(type.getTypeName()));
+    }
+
+    private void downgradeLicenseAndRestartCluster() throws Exception {
+        // Downgrade the license and restart the cluster to force the model registry to rebuild
+        setLicense(License.LicenseType.BASIC);
+        internalCluster().fullRestart(new InternalTestCluster.RestartCallback());
+        ensureGreen(InferenceIndex.INDEX_NAME);
+        assertLicense(License.LicenseType.BASIC);
+    }
+}

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/mapper/SemanticTextFieldMapper.java

@@ -1222,7 +1222,7 @@ public class SemanticTextFieldMapper extends FieldMapper implements InferenceFie
         return indexVersion.onOrAfter(SEMANTIC_TEXT_DEFAULTS_TO_BBQ_BACKPORT_8_X);
     }
 
-    static DenseVectorFieldMapper.DenseVectorIndexOptions defaultBbqHnswDenseVectorIndexOptions() {
+    public static DenseVectorFieldMapper.DenseVectorIndexOptions defaultBbqHnswDenseVectorIndexOptions() {
         int m = Lucene99HnswVectorsFormat.DEFAULT_MAX_CONN;
         int efConstruction = Lucene99HnswVectorsFormat.DEFAULT_BEAM_WIDTH;
         DenseVectorFieldMapper.RescoreVector rescoreVector = new DenseVectorFieldMapper.RescoreVector(DEFAULT_RESCORE_OVERSAMPLE);