feat(tpu): add tpu queued resources create spot

tpu/src/main/java/tpu/CreateSpotQueuedResource.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package tpu;
+
+// [START tpu_queued_resources_create_spot]
+import com.google.cloud.tpu.v2alpha1.CreateQueuedResourceRequest;
+import com.google.cloud.tpu.v2alpha1.Node;
+import com.google.cloud.tpu.v2alpha1.QueuedResource;
+import com.google.cloud.tpu.v2alpha1.SchedulingConfig;
+import com.google.cloud.tpu.v2alpha1.TpuClient;
+import java.io.IOException;
+import java.util.concurrent.ExecutionException;
+
+public class CreateSpotQueuedResource {
+  public static void main(String[] args)
+      throws IOException, ExecutionException, InterruptedException {
+    // TODO(developer): Replace these variables before running the sample.
+    // Project ID or project number of the Google Cloud project you want to create a node.
+    String projectId = "YOUR_PROJECT_ID";
+    // The zone in which to create the TPU.
+    // For more information about supported TPU types for specific zones,
+    // see https://cloud.google.com/tpu/docs/regions-zones
+    String zone = "us-central1-f";
+    // The name for your TPU.
+    String nodeName = "YOUR_TPU_NAME";
+    // The accelerator type that specifies the version and size of the Cloud TPU you want to create.
+    // For more information about supported accelerator types for each TPU version,
+    // see https://cloud.google.com/tpu/docs/system-architecture-tpu-vm#versions.
+    String tpuType = "v2-8";
+    // Software version that specifies the version of the TPU runtime to install.
+    // For more information see https://cloud.google.com/tpu/docs/runtimes
+    String tpuSoftwareVersion = "tpu-vm-tf-2.14.1";
+    // The name for your Queued Resource.
+    String queuedResourceId = "QUEUED_RESOURCE_ID";
+
+    createQueuedResource(
+        projectId, zone, queuedResourceId, nodeName, tpuType, tpuSoftwareVersion);
+  }
+
+  // Creates a Queued Resource with --preemptible flag.
+  public static QueuedResource createQueuedResource(
+      String projectId, String zone, String queuedResourceId,
+      String nodeName, String tpuType, String tpuSoftwareVersion)
+      throws IOException, ExecutionException, InterruptedException {
+    // Initialize client that will be used to send requests. This client only needs to be created
+    // once, and can be reused for multiple requests.
+    try (TpuClient tpuClient = TpuClient.create()) {
+      String parent = String.format("projects/%s/locations/%s", projectId, zone);
+      String resourceName = String.format("projects/%s/locations/%s/queuedResources/%s",
+              projectId, zone, queuedResourceId);
+      SchedulingConfig schedulingConfig = SchedulingConfig.newBuilder()
+          .setPreemptible(true)
+          .build();
+
+      Node node =
+          Node.newBuilder()
+              .setName(nodeName)
+              .setAcceleratorType(tpuType)
+              .setRuntimeVersion(tpuSoftwareVersion)
+              .setSchedulingConfig(schedulingConfig)
+              .setQueuedResource(resourceName)
+              .build();
+
+      QueuedResource queuedResource =
+          QueuedResource.newBuilder()
+              .setName(queuedResourceId)
+              .setTpu(
+                  QueuedResource.Tpu.newBuilder()
+                      .addNodeSpec(
+                          QueuedResource.Tpu.NodeSpec.newBuilder()
+                              .setParent(parent)
+                              .setNode(node)
+                              .setNodeId(nodeName)
+                              .build())
+                      .build())
+              .build();
+
+      CreateQueuedResourceRequest request =
+          CreateQueuedResourceRequest.newBuilder()
+              .setParent(parent)
+              .setQueuedResourceId(queuedResourceId)
+              .setQueuedResource(queuedResource)
+              .build();
+
+      return tpuClient.createQueuedResourceAsync(request).get();
+    }
+  }
+}
+// [END tpu_queued_resources_create_spot]

tpu/src/test/java/tpu/QueuedResourceIT.java

@@ -136,4 +136,30 @@ public void testCreateQueuedResourceWithStartupScript() throws Exception {
       assertEquals(returnedQueuedResource, mockQueuedResource);
     }
   }
+
+  @Test
+  public void testCreateSpotQueuedResource() throws Exception {
+    try (MockedStatic<TpuClient> mockedTpuClient = mockStatic(TpuClient.class)) {
+      QueuedResource mockQueuedResource =  QueuedResource.newBuilder()
+              .setName("QueuedResourceName")
+              .build();
+      TpuClient mockedClientInstance = mock(TpuClient.class);
+      OperationFuture mockFuture = mock(OperationFuture.class);
+
+      mockedTpuClient.when(TpuClient::create).thenReturn(mockedClientInstance);
+      when(mockedClientInstance.createQueuedResourceAsync(any(CreateQueuedResourceRequest.class)))
+          .thenReturn(mockFuture);
+      when(mockFuture.get()).thenReturn(mockQueuedResource);
+
+      QueuedResource returnedQueuedResource =
+          CreateSpotQueuedResource.createQueuedResource(
+              PROJECT_ID, ZONE, QUEUED_RESOURCE_NAME, NODE_NAME,
+              TPU_TYPE, TPU_SOFTWARE_VERSION);
+
+      verify(mockedClientInstance, times(1))
+          .createQueuedResourceAsync(any(CreateQueuedResourceRequest.class));
+      verify(mockFuture, times(1)).get();
+      assertEquals(returnedQueuedResource.getName(), mockQueuedResource.getName());
+    }
+  }
 }