Allow timeout during trained model download process

docs/changelog/129003.yaml

@@ -0,0 +1,5 @@
+pr: 129003
+summary: Allow timeout during trained model download process
+area: Machine Learning
+type: bug
+issues: []

x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/inference/assignment/ModelDeploymentTimeoutException.java → x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/ml/inference/ModelDeploymentTimeoutException.java

@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-package org.elasticsearch.xpack.ml.inference.assignment;
+package org.elasticsearch.xpack.core.ml.inference;
 
 import org.elasticsearch.ElasticsearchStatusException;
 import org.elasticsearch.rest.RestStatus;

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/services/elasticsearch/BaseElasticsearchInternalService.java

@@ -10,6 +10,7 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.elasticsearch.ElasticsearchStatusException;
+import org.elasticsearch.ElasticsearchTimeoutException;
 import org.elasticsearch.ExceptionsHelper;
 import org.elasticsearch.ResourceNotFoundException;
 import org.elasticsearch.action.ActionListener;
@@ -22,13 +23,15 @@
 import org.elasticsearch.inference.InputType;
 import org.elasticsearch.inference.Model;
 import org.elasticsearch.inference.TaskType;
+import org.elasticsearch.threadpool.ThreadPool;
 import org.elasticsearch.xpack.core.ClientHelper;
 import org.elasticsearch.xpack.core.ml.MachineLearningField;
 import org.elasticsearch.xpack.core.ml.action.GetTrainedModelsAction;
 import org.elasticsearch.xpack.core.ml.action.InferModelAction;
 import org.elasticsearch.xpack.core.ml.action.PutTrainedModelAction;
 import org.elasticsearch.xpack.core.ml.action.StartTrainedModelDeploymentAction;
 import org.elasticsearch.xpack.core.ml.action.StopTrainedModelDeploymentAction;
+import org.elasticsearch.xpack.core.ml.inference.ModelDeploymentTimeoutException;
 import org.elasticsearch.xpack.core.ml.inference.TrainedModelConfig;
 import org.elasticsearch.xpack.core.ml.inference.TrainedModelInput;
 import org.elasticsearch.xpack.core.ml.inference.TrainedModelPrefixStrings;
@@ -41,12 +44,14 @@
 import java.util.concurrent.ExecutorService;
 import java.util.function.Consumer;
 
+import static org.elasticsearch.core.Strings.format;
 import static org.elasticsearch.xpack.core.ClientHelper.INFERENCE_ORIGIN;
 import static org.elasticsearch.xpack.core.ClientHelper.executeAsyncWithOrigin;
 
 public abstract class BaseElasticsearchInternalService implements InferenceService {
 
     protected final OriginSettingClient client;
+    protected final ThreadPool threadPool;
     protected final ExecutorService inferenceExecutor;
     protected final Consumer<ActionListener<PreferredModelVariant>> preferredModelVariantFn;
     private final ClusterService clusterService;
@@ -60,6 +65,7 @@ public enum PreferredModelVariant {
 
     public BaseElasticsearchInternalService(InferenceServiceExtension.InferenceServiceFactoryContext context) {
         this.client = new OriginSettingClient(context.client(), ClientHelper.INFERENCE_ORIGIN);
+        this.threadPool = context.threadPool();
         this.inferenceExecutor = context.threadPool().executor(InferencePlugin.UTILITY_THREAD_POOL_NAME);
         this.preferredModelVariantFn = this::preferredVariantFromPlatformArchitecture;
         this.clusterService = context.clusterService();
@@ -75,6 +81,7 @@ public BaseElasticsearchInternalService(
         Consumer<ActionListener<PreferredModelVariant>> preferredModelVariantFn
     ) {
         this.client = new OriginSettingClient(context.client(), ClientHelper.INFERENCE_ORIGIN);
+        this.threadPool = context.threadPool();
         this.inferenceExecutor = context.threadPool().executor(InferencePlugin.UTILITY_THREAD_POOL_NAME);
         this.preferredModelVariantFn = preferredModelVariantFn;
         this.clusterService = context.clusterService();
@@ -96,20 +103,38 @@ public void start(Model model, TimeValue timeout, ActionListener<Boolean> finalL
                 return;
             }
 
-            SubscribableListener.<Boolean>newForked(forkedListener -> { isBuiltinModelPut(model, forkedListener); })
-                .<Boolean>andThen((l, modelConfigExists) -> {
-                    if (modelConfigExists == false) {
-                        putModel(model, l);
-                    } else {
-                        l.onResponse(true);
-                    }
-                })
-                .<Boolean>andThen((l2, modelDidPut) -> {
-                    var startRequest = esModel.getStartTrainedModelDeploymentActionRequest(timeout);
-                    var responseListener = esModel.getCreateTrainedModelAssignmentActionListener(model, l2);
-                    client.execute(StartTrainedModelDeploymentAction.INSTANCE, startRequest, responseListener);
-                })
-                .addListener(finalListener);
+            // instead of a subscribably listener, use some wait to wait for the first one.
+            var subscribableListener = SubscribableListener.<Boolean>newForked(
+                forkedListener -> { isBuiltinModelPut(model, forkedListener); }
+            ).<Boolean>andThen((l, modelConfigExists) -> {
+                if (modelConfigExists == false) {
+                    putModel(model, l);
+                } else {
+                    l.onResponse(true);
+                }
+            }).<Boolean>andThen((l2, modelDidPut) -> {
+                var startRequest = esModel.getStartTrainedModelDeploymentActionRequest(timeout);
+                var responseListener = esModel.getCreateTrainedModelAssignmentActionListener(model, l2);
+                client.execute(StartTrainedModelDeploymentAction.INSTANCE, startRequest, responseListener);
+            });
+            subscribableListener.addTimeout(timeout, threadPool, inferenceExecutor);
+            subscribableListener.addListener(finalListener.delegateResponse((l, e) -> {
+                if (e instanceof ElasticsearchTimeoutException) {
+                    l.onFailure(
+                        new ModelDeploymentTimeoutException(
+                            format(
+                                "Timed out after [%s] waiting for trained model deployment for inference endpoint [%s] to start. "
+                                    + "The inference endpoint can not be used to perform inference until the deployment has started. "
+                                    + "Use the trained model stats API to track the state of the deployment.",
+                                timeout,
+                                model.getInferenceEntityId()
+                            )
+                        )
+                    );
+                } else {
+                    l.onFailure(e);
+                }
+            }));
 
         } else {
             finalListener.onFailure(notElasticsearchModelException(model));

x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/action/TransportStartTrainedModelDeploymentAction.java

@@ -52,6 +52,7 @@
 import org.elasticsearch.xpack.core.ml.action.GetTrainedModelsAction;
 import org.elasticsearch.xpack.core.ml.action.StartTrainedModelDeploymentAction;
 import org.elasticsearch.xpack.core.ml.action.StartTrainedModelDeploymentAction.TaskParams;
+import org.elasticsearch.xpack.core.ml.inference.ModelDeploymentTimeoutException;
 import org.elasticsearch.xpack.core.ml.inference.TrainedModelConfig;
 import org.elasticsearch.xpack.core.ml.inference.TrainedModelType;
 import org.elasticsearch.xpack.core.ml.inference.assignment.AllocationStatus;
@@ -65,7 +66,6 @@
 import org.elasticsearch.xpack.core.ml.utils.ExceptionsHelper;
 import org.elasticsearch.xpack.core.ml.utils.TransportVersionUtils;
 import org.elasticsearch.xpack.ml.MachineLearning;
-import org.elasticsearch.xpack.ml.inference.assignment.ModelDeploymentTimeoutException;
 import org.elasticsearch.xpack.ml.inference.assignment.TrainedModelAssignmentService;
 import org.elasticsearch.xpack.ml.inference.persistence.TrainedModelDefinitionDoc;
 import org.elasticsearch.xpack.ml.notifications.InferenceAuditor;

x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/inference/InferenceWaitForAllocation.java

@@ -16,12 +16,12 @@
 import org.elasticsearch.rest.RestStatus;
 import org.elasticsearch.tasks.TaskId;
 import org.elasticsearch.xpack.core.ml.action.InferModelAction;
+import org.elasticsearch.xpack.core.ml.inference.ModelDeploymentTimeoutException;
 import org.elasticsearch.xpack.core.ml.inference.assignment.RoutingInfo;
 import org.elasticsearch.xpack.core.ml.inference.assignment.RoutingState;
 import org.elasticsearch.xpack.core.ml.inference.assignment.TrainedModelAssignment;
 import org.elasticsearch.xpack.core.ml.inference.assignment.TrainedModelAssignmentMetadata;
 import org.elasticsearch.xpack.core.ml.utils.ExceptionsHelper;
-import org.elasticsearch.xpack.ml.inference.assignment.ModelDeploymentTimeoutException;
 import org.elasticsearch.xpack.ml.inference.assignment.TrainedModelAssignmentService;
 
 import java.util.HashMap;

x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/inference/assignment/TrainedModelAssignmentService.java

@@ -29,6 +29,7 @@
 import org.elasticsearch.xpack.core.ml.action.CreateTrainedModelAssignmentAction;
 import org.elasticsearch.xpack.core.ml.action.DeleteTrainedModelAssignmentAction;
 import org.elasticsearch.xpack.core.ml.action.UpdateTrainedModelAssignmentRoutingInfoAction;
+import org.elasticsearch.xpack.core.ml.inference.ModelDeploymentTimeoutException;
 import org.elasticsearch.xpack.core.ml.inference.assignment.TrainedModelAssignment;
 import org.elasticsearch.xpack.core.ml.inference.assignment.TrainedModelAssignmentMetadata;