Set worker version on eager start requests

temporal-sdk/src/main/java/io/temporal/internal/client/RootWorkflowClientInvoker.java

@@ -24,6 +24,7 @@
 import io.temporal.internal.client.external.GenericWorkflowClient;
 import io.temporal.internal.common.HeaderUtils;
 import io.temporal.internal.nexus.CurrentNexusOperationContext;
+import io.temporal.internal.worker.WorkerVersioningProtoUtils;
 import io.temporal.payload.context.WorkflowSerializationContext;
 import io.temporal.serviceclient.StatusUtils;
 import io.temporal.worker.WorkflowTaskDispatchHandle;
@@ -71,6 +72,11 @@ public WorkflowStartOutput start(WorkflowStartInput input) {
     try (@Nullable WorkflowTaskDispatchHandle eagerDispatchHandle = obtainDispatchHandle(input)) {
       boolean requestEagerExecution = eagerDispatchHandle != null;
       startRequest.setRequestEagerExecution(requestEagerExecution);
+      if (requestEagerExecution && eagerDispatchHandle.getDeploymentOptions() != null) {
+        startRequest.setEagerWorkerDeploymentOptions(
+            WorkerVersioningProtoUtils.deploymentOptionsToProto(
+                eagerDispatchHandle.getDeploymentOptions()));
+      }
       StartWorkflowExecutionResponse response = genericClient.start(startRequest.build());
       WorkflowExecution execution =
           WorkflowExecution.newBuilder()

temporal-sdk/src/main/java/io/temporal/internal/worker/WorkflowWorker.java

@@ -328,7 +328,8 @@ public WorkflowTaskDispatchHandle reserveWorkflowExecutor() {
                       }
                     },
                     slotSupplier,
-                    slotPermit))
+                    slotPermit,
+                    options.getDeploymentOptions()))
         .orElse(null);
   }
 

temporal-sdk/src/main/java/io/temporal/worker/WorkflowTaskDispatchHandle.java

@@ -11,24 +11,31 @@
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Function;
 import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
 
 public class WorkflowTaskDispatchHandle implements Closeable {
   private final AtomicBoolean completed = new AtomicBoolean();
   private final Function<WorkflowTask, Boolean> dispatchCallback;
   private final TrackingSlotSupplier<WorkflowSlotInfo> slotSupplier;
   private final SlotPermit permit;
+  private final WorkerDeploymentOptions deploymentOptions;
 
   /**
    * @param dispatchCallback callback into a {@code WorkflowWorker} to dispatch a workflow task.
    * @param slotSupplier slot supplier that was used to reserve a slot for this workflow task
+   * @param permit the slot permit reserved for this workflow task
+   * @param deploymentOptions deployment options of the worker that reserved the slot, or null if
+   *     not configured
    */
   public WorkflowTaskDispatchHandle(
       DispatchCallback dispatchCallback,
       TrackingSlotSupplier<WorkflowSlotInfo> slotSupplier,
-      SlotPermit permit) {
+      SlotPermit permit,
+      @Nullable WorkerDeploymentOptions deploymentOptions) {
     this.dispatchCallback = dispatchCallback;
     this.slotSupplier = slotSupplier;
     this.permit = permit;
+    this.deploymentOptions = deploymentOptions;
   }
 
   /**
@@ -47,6 +54,14 @@ public boolean dispatch(@Nonnull PollWorkflowTaskQueueResponse workflowTask) {
     }
   }
 
+  /**
+   * @return deployment options of the worker that reserved the slot, or null if not configured
+   */
+  @Nullable
+  public WorkerDeploymentOptions getDeploymentOptions() {
+    return deploymentOptions;
+  }
+
   @Override
   public void close() {
     if (completed.compareAndSet(false, true)) {

temporal-sdk/src/test/java/io/temporal/workflow/EagerWorkflowTaskDispatchTest.java

@@ -3,19 +3,21 @@
 import static org.junit.Assert.*;
 
 import io.grpc.*;
+import io.temporal.api.deployment.v1.WorkerDeploymentOptions;
 import io.temporal.api.enums.v1.EventType;
+import io.temporal.api.enums.v1.WorkerVersioningMode;
 import io.temporal.api.history.v1.HistoryEvent;
 import io.temporal.api.workflowservice.v1.StartWorkflowExecutionRequest;
 import io.temporal.api.workflowservice.v1.WorkflowServiceGrpc;
 import io.temporal.client.WorkflowClient;
 import io.temporal.client.WorkflowOptions;
 import io.temporal.client.WorkflowStub;
+import io.temporal.common.VersioningBehavior;
+import io.temporal.common.WorkerDeploymentVersion;
 import io.temporal.serviceclient.WorkflowServiceStubsOptions;
 import io.temporal.testUtils.CountingSlotSupplier;
 import io.temporal.testing.internal.SDKTestWorkflowRule;
-import io.temporal.worker.Worker;
-import io.temporal.worker.WorkerFactory;
-import io.temporal.worker.WorkerOptions;
+import io.temporal.worker.*;
 import io.temporal.worker.tuning.*;
 import io.temporal.workflow.shared.TestWorkflows;
 import java.util.ArrayList;
@@ -67,6 +69,14 @@ public void tearDown() throws Exception {
 
   private WorkerFactory setupWorkerFactory(
       String workerIdentity, boolean registerWorkflows, boolean start) {
+    return setupWorkerFactory(workerIdentity, registerWorkflows, start, null);
+  }
+
+  private WorkerFactory setupWorkerFactory(
+      String workerIdentity,
+      boolean registerWorkflows,
+      boolean start,
+      io.temporal.worker.WorkerDeploymentOptions deploymentOptions) {
     WorkflowClient workflowClient =
         WorkflowClient.newInstance(
             testWorkflowRule.getWorkflowServiceStubs(),
@@ -86,6 +96,7 @@ private WorkerFactory setupWorkerFactory(
                         activityTaskSlotSupplier,
                         localActivitySlotSupplier,
                         nexusSlotSupplier))
+                .setDeploymentOptions(deploymentOptions)
                 .build());
     if (registerWorkflows) {
       worker.registerWorkflowImplementationTypes(EagerWorkflowTaskWorkflowImpl.class);
@@ -265,6 +276,96 @@ public void testNoEagerWFTIfDisabledOnWorkflowOptions() {
         START_CALL_INTERCEPTOR.wasLastStartEager());
   }
 
+  @Test
+  public void testDeploymentOptionsArePropagatedForVersionedWorker() {
+    io.temporal.worker.WorkerDeploymentOptions deploymentOptions =
+        io.temporal.worker.WorkerDeploymentOptions.newBuilder()
+            .setUseVersioning(true)
+            .setVersion(new WorkerDeploymentVersion("my-deployment", "build-id-123"))
+            .setDefaultVersioningBehavior(VersioningBehavior.PINNED)
+            .build();
+
+    WorkerFactory workerFactory = setupWorkerFactory("worker1", true, true, deploymentOptions);
+
+    TestWorkflows.NoArgsWorkflow workflowStub =
+        workerFactory
+            .getWorkflowClient()
+            .newWorkflowStub(
+                TestWorkflows.NoArgsWorkflow.class,
+                WorkflowOptions.newBuilder()
+                    .setTaskQueue(testWorkflowRule.getTaskQueue())
+                    .setDisableEagerExecution(false)
+                    .build());
+    workflowStub.execute();
+
+    assertTrue(START_CALL_INTERCEPTOR.wasLastStartEager());
+
+    WorkerDeploymentOptions capturedOptions = START_CALL_INTERCEPTOR.getLastDeploymentOptions();
+    assertNotNull(
+        "Deployment options should be present in StartWorkflowExecutionRequest", capturedOptions);
+    assertEquals("my-deployment", capturedOptions.getDeploymentName());
+    assertEquals("build-id-123", capturedOptions.getBuildId());
+    assertEquals(
+        WorkerVersioningMode.WORKER_VERSIONING_MODE_VERSIONED,
+        capturedOptions.getWorkerVersioningMode());
+  }
+
+  @Test
+  public void testDeploymentOptionsArePropagatedForUnversionedWorker() {
+    io.temporal.worker.WorkerDeploymentOptions deploymentOptions =
+        io.temporal.worker.WorkerDeploymentOptions.newBuilder()
+            .setUseVersioning(false)
+            .setVersion(new WorkerDeploymentVersion("my-deployment", "build-id-456"))
+            .build();
+
+    WorkerFactory workerFactory = setupWorkerFactory("worker1", true, true, deploymentOptions);
+
+    TestWorkflows.NoArgsWorkflow workflowStub =
+        workerFactory
+            .getWorkflowClient()
+            .newWorkflowStub(
+                TestWorkflows.NoArgsWorkflow.class,
+                WorkflowOptions.newBuilder()
+                    .setTaskQueue(testWorkflowRule.getTaskQueue())
+                    .setDisableEagerExecution(false)
+                    .build());
+    workflowStub.execute();
+
+    assertTrue(START_CALL_INTERCEPTOR.wasLastStartEager());
+
+    WorkerDeploymentOptions capturedOptions = START_CALL_INTERCEPTOR.getLastDeploymentOptions();
+    assertNotNull(
+        "Deployment options should be present in StartWorkflowExecutionRequest", capturedOptions);
+    assertEquals("my-deployment", capturedOptions.getDeploymentName());
+    assertEquals("build-id-456", capturedOptions.getBuildId());
+    assertEquals(
+        WorkerVersioningMode.WORKER_VERSIONING_MODE_UNVERSIONED,
+        capturedOptions.getWorkerVersioningMode());
+  }
+
+  @Test
+  public void testNoDeploymentOptionsWhenWorkerHasNone() {
+    WorkerFactory workerFactory = setupWorkerFactory("worker1", true, true, null);
+
+    TestWorkflows.NoArgsWorkflow workflowStub =
+        workerFactory
+            .getWorkflowClient()
+            .newWorkflowStub(
+                TestWorkflows.NoArgsWorkflow.class,
+                WorkflowOptions.newBuilder()
+                    .setTaskQueue(testWorkflowRule.getTaskQueue())
+                    .setDisableEagerExecution(false)
+                    .build());
+    workflowStub.execute();
+
+    assertTrue(START_CALL_INTERCEPTOR.wasLastStartEager());
+
+    WorkerDeploymentOptions capturedOptions = START_CALL_INTERCEPTOR.getLastDeploymentOptions();
+    assertNull(
+        "Deployment options should not be present when worker has no deployment options configured",
+        capturedOptions);
+  }
+
   public static class EagerWorkflowTaskWorkflowImpl implements TestWorkflows.NoArgsWorkflow {
     @Override
     public void execute() {}
@@ -273,6 +374,7 @@ public void execute() {}
   private static class StartCallInterceptor implements ClientInterceptor {
 
     private Boolean wasLastStartEager;
+    private WorkerDeploymentOptions lastDeploymentOptions;
 
     @Override
     public <ReqT, RespT> ClientCall<ReqT, RespT> interceptCall(
@@ -287,8 +389,13 @@ public Boolean wasLastStartEager() {
       return wasLastStartEager;
     }
 
+    public WorkerDeploymentOptions getLastDeploymentOptions() {
+      return lastDeploymentOptions;
+    }
+
     public void clear() {
       wasLastStartEager = null;
+      lastDeploymentOptions = null;
     }
 
     private final class EagerStartSniffingCall<ReqT, RespT>
@@ -302,6 +409,11 @@ private final class EagerStartSniffingCall<ReqT, RespT>
       public void sendMessage(ReqT message) {
         StartWorkflowExecutionRequest request = (StartWorkflowExecutionRequest) message;
         wasLastStartEager = request.getRequestEagerExecution();
+        if (request.hasEagerWorkerDeploymentOptions()) {
+          lastDeploymentOptions = request.getEagerWorkerDeploymentOptions();
+        } else {
+          lastDeploymentOptions = null;
+        }
         super.sendMessage(message);
       }
     }