[Inference API] alibabacloud ai search service support chunk infer to…

… support semantic_text field (elastic#112652) (elastic#112853) Co-authored-by: weizijun <[email protected]>
nielsbauman · Sep 13, 2024 · 53ff0ac · 53ff0ac
1 parent 12b4900
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diff --git a/docs/changelog/112652.yaml b/docs/changelog/112652.yaml
@@ -0,0 +1,5 @@
+pr: 110399
+summary: "[Inference API] alibabacloud ai search service support chunk infer to support semantic_text field"
+area: Machine Learning
+type: enhancement
+issues: []
diff --git a/.../elasticsearch/xpack/inference/services/alibabacloudsearch/AlibabaCloudSearchService.java b/.../elasticsearch/xpack/inference/services/alibabacloudsearch/AlibabaCloudSearchService.java
@@ -24,6 +24,7 @@
 import org.elasticsearch.inference.SimilarityMeasure;
 import org.elasticsearch.inference.TaskType;
 import org.elasticsearch.rest.RestStatus;
+import org.elasticsearch.xpack.inference.chunking.EmbeddingRequestChunker;
 import org.elasticsearch.xpack.inference.external.action.alibabacloudsearch.AlibabaCloudSearchActionCreator;
 import org.elasticsearch.xpack.inference.external.http.sender.DocumentsOnlyInput;
 import org.elasticsearch.xpack.inference.external.http.sender.HttpRequestSender;
@@ -48,6 +49,7 @@
 import static org.elasticsearch.xpack.inference.services.ServiceUtils.removeFromMapOrDefaultEmpty;
 import static org.elasticsearch.xpack.inference.services.ServiceUtils.removeFromMapOrThrowIfNull;
 import static org.elasticsearch.xpack.inference.services.ServiceUtils.throwIfNotEmptyMap;
+import static org.elasticsearch.xpack.inference.services.alibabacloudsearch.AlibabaCloudSearchServiceFields.EMBEDDING_MAX_BATCH_SIZE;
 
 public class AlibabaCloudSearchService extends SenderService {
     public static final String NAME = AlibabaCloudSearchUtils.SERVICE_NAME;
@@ -243,7 +245,20 @@ protected void doChunkedInfer(
         TimeValue timeout,
         ActionListener<List<ChunkedInferenceServiceResults>> listener
     ) {
-        listener.onFailure(new ElasticsearchStatusException("Chunking not supported by the {} service", RestStatus.BAD_REQUEST, NAME));
+        if (model instanceof AlibabaCloudSearchModel == false) {
+            listener.onFailure(createInvalidModelException(model));
+            return;
+        }
+
+        AlibabaCloudSearchModel alibabaCloudSearchModel = (AlibabaCloudSearchModel) model;
+        var actionCreator = new AlibabaCloudSearchActionCreator(getSender(), getServiceComponents());
+
+        var batchedRequests = new EmbeddingRequestChunker(input, EMBEDDING_MAX_BATCH_SIZE, EmbeddingRequestChunker.EmbeddingType.FLOAT)
+            .batchRequestsWithListeners(listener);
+        for (var request : batchedRequests) {
+            var action = alibabaCloudSearchModel.accept(actionCreator, taskSettings, inputType);
+            action.execute(new DocumentsOnlyInput(request.batch().inputs()), timeout, request.listener());
+        }
     }
 
     /**

diff --git a/...icsearch/xpack/inference/services/alibabacloudsearch/AlibabaCloudSearchServiceFields.java b/...icsearch/xpack/inference/services/alibabacloudsearch/AlibabaCloudSearchServiceFields.java
@@ -0,0 +1,15 @@
+/*
+ * 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.services.alibabacloudsearch;
+
+public class AlibabaCloudSearchServiceFields {
+    /**
+     * Taken from https://help.aliyun.com/zh/open-search/search-platform/developer-reference/text-embedding-api-details
+     */
+    static final int EMBEDDING_MAX_BATCH_SIZE = 32;
+}
diff --git a/...ticsearch/xpack/inference/services/alibabacloudsearch/AlibabaCloudSearchServiceTests.java b/...ticsearch/xpack/inference/services/alibabacloudsearch/AlibabaCloudSearchServiceTests.java
@@ -11,28 +11,37 @@
 import org.elasticsearch.action.support.PlainActionFuture;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.core.TimeValue;
+import org.elasticsearch.inference.ChunkedInferenceServiceResults;
+import org.elasticsearch.inference.ChunkingOptions;
 import org.elasticsearch.inference.InferenceServiceResults;
 import org.elasticsearch.inference.InputType;
 import org.elasticsearch.inference.Model;
 import org.elasticsearch.inference.ModelConfigurations;
 import org.elasticsearch.inference.TaskType;
 import org.elasticsearch.test.ESTestCase;
 import org.elasticsearch.threadpool.ThreadPool;
+import org.elasticsearch.xpack.core.inference.action.InferenceAction;
+import org.elasticsearch.xpack.core.inference.results.InferenceChunkedTextEmbeddingFloatResults;
 import org.elasticsearch.xpack.core.inference.results.InferenceTextEmbeddingFloatResults;
+import org.elasticsearch.xpack.inference.external.action.ExecutableAction;
+import org.elasticsearch.xpack.inference.external.action.alibabacloudsearch.AlibabaCloudSearchActionVisitor;
 import org.elasticsearch.xpack.inference.external.http.HttpClientManager;
 import org.elasticsearch.xpack.inference.external.http.sender.HttpRequestSender;
 import org.elasticsearch.xpack.inference.external.http.sender.HttpRequestSenderTests;
+import org.elasticsearch.xpack.inference.external.request.alibabacloudsearch.AlibabaCloudSearchUtils;
 import org.elasticsearch.xpack.inference.logging.ThrottlerManager;
 import org.elasticsearch.xpack.inference.services.ServiceFields;
 import org.elasticsearch.xpack.inference.services.alibabacloudsearch.embeddings.AlibabaCloudSearchEmbeddingsModel;
 import org.elasticsearch.xpack.inference.services.alibabacloudsearch.embeddings.AlibabaCloudSearchEmbeddingsModelTests;
 import org.elasticsearch.xpack.inference.services.alibabacloudsearch.embeddings.AlibabaCloudSearchEmbeddingsServiceSettingsTests;
 import org.elasticsearch.xpack.inference.services.alibabacloudsearch.embeddings.AlibabaCloudSearchEmbeddingsTaskSettingsTests;
+import org.hamcrest.CoreMatchers;
 import org.hamcrest.MatcherAssert;
 import org.junit.After;
 import org.junit.Before;
 
 import java.io.IOException;
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -44,6 +53,7 @@
 import static org.elasticsearch.xpack.inference.services.ServiceComponentsTests.createWithEmptySettings;
 import static org.elasticsearch.xpack.inference.services.settings.DefaultSecretSettingsTests.getSecretSettingsMap;
 import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.Matchers.hasSize;
 import static org.hamcrest.Matchers.instanceOf;
 import static org.mockito.Mockito.mock;
 
@@ -156,6 +166,84 @@ public void doInfer(
         }
     }
 
+    public void testChunkedInfer_Batches() throws IOException {
+        var input = List.of("foo", "bar");
+
+        var senderFactory = HttpRequestSenderTests.createSenderFactory(threadPool, clientManager);
+
+        try (var service = new AlibabaCloudSearchService(senderFactory, createWithEmptySettings(threadPool))) {
+            Map<String, Object> serviceSettingsMap = new HashMap<>();
+            serviceSettingsMap.put(AlibabaCloudSearchServiceSettings.SERVICE_ID, "service_id");
+            serviceSettingsMap.put(AlibabaCloudSearchServiceSettings.HOST, "host");
+            serviceSettingsMap.put(AlibabaCloudSearchServiceSettings.WORKSPACE_NAME, "default");
+            serviceSettingsMap.put(ServiceFields.DIMENSIONS, 1536);
+
+            Map<String, Object> taskSettingsMap = new HashMap<>();
+
+            Map<String, Object> secretSettingsMap = new HashMap<>();
+            secretSettingsMap.put("api_key", "secret");
+
+            var model = new AlibabaCloudSearchEmbeddingsModel(
+                "service",
+                TaskType.TEXT_EMBEDDING,
+                AlibabaCloudSearchUtils.SERVICE_NAME,
+                serviceSettingsMap,
+                taskSettingsMap,
+                secretSettingsMap,
+                null
+            ) {
+                public ExecutableAction accept(
+                    AlibabaCloudSearchActionVisitor visitor,
+                    Map<String, Object> taskSettings,
+                    InputType inputType
+                ) {
+                    return (inferenceInputs, timeout, listener) -> {
+                        InferenceTextEmbeddingFloatResults results = new InferenceTextEmbeddingFloatResults(
+                            List.of(
+                                new InferenceTextEmbeddingFloatResults.InferenceFloatEmbedding(new float[] { 0.0123f, -0.0123f }),
+                                new InferenceTextEmbeddingFloatResults.InferenceFloatEmbedding(new float[] { 0.0456f, -0.0456f })
+                            )
+                        );
+
+                        listener.onResponse(results);
+                    };
+                }
+            };
+
+            PlainActionFuture<List<ChunkedInferenceServiceResults>> listener = new PlainActionFuture<>();
+            service.chunkedInfer(
+                model,
+                input,
+                new HashMap<>(),
+                InputType.INGEST,
+                new ChunkingOptions(null, null),
+                InferenceAction.Request.DEFAULT_TIMEOUT,
+                listener
+            );
+
+            var results = listener.actionGet(TIMEOUT);
+            assertThat(results, hasSize(2));
+
+            // first result
+            {
+                assertThat(results.get(0), CoreMatchers.instanceOf(InferenceChunkedTextEmbeddingFloatResults.class));
+                var floatResult = (InferenceChunkedTextEmbeddingFloatResults) results.get(0);
+                assertThat(floatResult.chunks(), hasSize(1));
+                assertEquals(input.get(0), floatResult.chunks().get(0).matchedText());
+                assertTrue(Arrays.equals(new float[] { 0.0123f, -0.0123f }, floatResult.chunks().get(0).embedding()));
+            }
+
+            // second result
+            {
+                assertThat(results.get(1), CoreMatchers.instanceOf(InferenceChunkedTextEmbeddingFloatResults.class));
+                var floatResult = (InferenceChunkedTextEmbeddingFloatResults) results.get(1);
+                assertThat(floatResult.chunks(), hasSize(1));
+                assertEquals(input.get(1), floatResult.chunks().get(0).matchedText());
+                assertTrue(Arrays.equals(new float[] { 0.0456f, -0.0456f }, floatResult.chunks().get(0).embedding()));
+            }
+        }
+    }
+
     private Map<String, Object> getRequestConfigMap(
         Map<String, Object> serviceSettings,
         Map<String, Object> taskSettings,