feat(compute): add compute consistency group create/delete samples

compute/cloud-client/src/main/java/compute/disks/consistencygroup/CreateDiskConsistencyGroup.java

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+/*
+ * 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 compute.disks.consistencygroup;
+
+// [START compute_consistency_group_create]
+import com.google.cloud.compute.v1.Operation;
+import com.google.cloud.compute.v1.ResourcePoliciesClient;
+import com.google.cloud.compute.v1.ResourcePolicy;
+import java.io.IOException;
+import java.util.concurrent.ExecutionException;
+
+public class CreateDiskConsistencyGroup {
+
+  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 Cloud project you want to use.
+    String project = "YOUR_PROJECT_ID";
+    // Name of the region in which you want to create the consistency group.
+    String region = "us-central1";
+    // Name of the consistency group you want to create.
+    String consistencyGroupName = "YOUR_CONSISTENCY_GROUP_NAME";
+
+    createDiskConsistencyGroup(project, region, consistencyGroupName);
+  }
+
+  // Creates a new disk consistency group resource policy in the specified project and region.
+  // Return a link to the consistency group.
+  public static String createDiskConsistencyGroup(
+      String project, String region, String consistencyGroupName)
+      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 (ResourcePoliciesClient  regionResourcePoliciesClient = ResourcePoliciesClient.create()) {
+      ResourcePolicy resourcePolicy =
+          ResourcePolicy.newBuilder()
+              .setName(consistencyGroupName)
+              .setRegion(region)
+              .setDiskConsistencyGroupPolicy(
+                  ResourcePolicy.newBuilder().getDiskConsistencyGroupPolicy())
+              .build();
+
+      Operation response =
+          regionResourcePoliciesClient.insertAsync(project, region, resourcePolicy).get();
+
+      if (response.hasError()) {
+        return null;
+      }
+      return regionResourcePoliciesClient.get(project, region, consistencyGroupName).getSelfLink();
+    }
+  }
+}
+// [END compute_consistency_group_create]

compute/cloud-client/src/main/java/compute/disks/consistencygroup/DeleteDiskConsistencyGroup.java

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+/*
+ * 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 compute.disks.consistencygroup;
+
+// [START compute_consistency_group_delete]
+import com.google.cloud.compute.v1.Operation;
+import com.google.cloud.compute.v1.ResourcePoliciesClient;
+import java.io.IOException;
+import java.util.concurrent.ExecutionException;
+
+public class DeleteDiskConsistencyGroup {
+
+  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 Cloud project you want to use.
+    String project = "YOUR_PROJECT_ID";
+    // Name of the region in which your consistency group is located.
+    String region = "us-central1";
+    // Name of the consistency group you want to delete.
+    String consistencyGroupName = "YOUR_CONSISTENCY_GROUP_NAME";
+
+    deleteDiskConsistencyGroup(project, region, consistencyGroupName);
+  }
+
+  // Deletes a disk consistency group resource policy in the specified project and region.
+  public static void deleteDiskConsistencyGroup(
+      String project, String region, String consistencyGroupName)
+      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 (ResourcePoliciesClient regionResourcePoliciesClient = ResourcePoliciesClient.create()) {
+      Operation response = regionResourcePoliciesClient
+          .deleteAsync(project, region, consistencyGroupName).get();
+
+      if (response.hasError()) {
+        return;
+      }
+      System.out.println(
+          "Disk consistency group resource policy deleted successfully: "
+              + consistencyGroupName);
+    }
+  }
+}
+// [END compute_consistency_group_delete]

compute/cloud-client/src/test/java/compute/disks/ConsistencyGroupIT.java

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+/*
+ * 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 compute.disks;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.common.truth.Truth.assertWithMessage;
+import static org.junit.Assert.assertNotNull;
+
+import compute.disks.consistencygroup.CreateDiskConsistencyGroup;
+import compute.disks.consistencygroup.DeleteDiskConsistencyGroup;
+import java.io.IOException;
+import java.util.UUID;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Timeout;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+@Timeout(value = 3, unit = TimeUnit.MINUTES)
+public class ConsistencyGroupIT {
+  private static final String PROJECT_ID = System.getenv("GOOGLE_CLOUD_PROJECT");
+  private static final String REGION = "us-central1";
+  private static final String CONSISTENCY_GROUP_NAME =
+      "test-consistency-group-" + UUID.randomUUID();
+
+  // Check if the required environment variables are set.
+  public static void requireEnvVar(String envVarName) {
+    assertWithMessage(String.format("Missing environment variable '%s' ", envVarName))
+        .that(System.getenv(envVarName)).isNotEmpty();
+  }
+
+  @BeforeAll
+  public static void setUp() throws Exception {
+    requireEnvVar("GOOGLE_CLOUD_PROJECT");
+  }
+
+  @AfterAll
+  public static void cleanUp()
+      throws IOException, ExecutionException, InterruptedException {
+    // Delete created consistency group
+    DeleteDiskConsistencyGroup.deleteDiskConsistencyGroup(
+        PROJECT_ID, REGION, CONSISTENCY_GROUP_NAME);
+  }
+
+  @Test
+  public void testCreateDiskConsistencyGroupResourcePolicy()
+      throws IOException, ExecutionException, InterruptedException {
+    String consistencyGroupLink = CreateDiskConsistencyGroup.createDiskConsistencyGroup(
+            PROJECT_ID, REGION, CONSISTENCY_GROUP_NAME);
+
+    // Verify that the consistency group was created
+    assertNotNull(consistencyGroupLink);
+    assertThat(consistencyGroupLink.contains(CONSISTENCY_GROUP_NAME));
+  }
+}