feat(compute): add compute disk regional replicated sample (#9697)

* Implemented compute_disk_regional_replicated sample, created test

* Fixed zone

* Fixed test

* Fixed test

* Fixed disk size

* Fixed code as requested in the comment

Author: TetyanaYahodska

compute/cloud-client/src/main/java/compute/disks/CreateReplicatedDisk.java

@@ -0,0 +1,87 @@
+/*
+ * 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;
+
+// [START compute_disk_regional_replicated]
+import com.google.cloud.compute.v1.Disk;
+import com.google.cloud.compute.v1.InsertRegionDiskRequest;
+import com.google.cloud.compute.v1.Operation;
+import com.google.cloud.compute.v1.RegionDisksClient;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+public class CreateReplicatedDisk {
+
+  public static void main(String[] args)
+          throws IOException, InterruptedException, ExecutionException, TimeoutException {
+    // TODO(developer): Replace these variables before running the sample.
+    // Project ID or project number of the Cloud project you want to use.
+    String projectId = "YOUR_PROJECT_ID";
+    // The region for the replicated disk to reside in.
+    // The disk must be in the same region as the VM that you plan to attach it to.
+    String region = "us-central1";
+    // The zones within the region where the two disk replicas are located
+    List<String> replicaZones = new ArrayList<>();
+    replicaZones.add(String.format("projects/%s/zones/%s", projectId, "us-central1-a"));
+    replicaZones.add(String.format("projects/%s/zones/%s", projectId, "us-central1-b"));
+    // Name of the disk you want to create.
+    String diskName = "YOUR_DISK_NAME";
+    // Size of the new disk in gigabytes.
+    int diskSizeGb = 100;
+    // The type of replicated disk. This value uses the following format:
+    // "regions/{region}/diskTypes/(pd-standard|pd-ssd|pd-balanced|pd-extreme)".
+    // For example: "regions/us-west3/diskTypes/pd-ssd"
+    String diskType = String.format("regions/%s/diskTypes/%s", region, "pd-standard");
+
+    createReplicatedDisk(projectId, region, replicaZones, diskName, diskSizeGb, diskType);
+  }
+
+  // Create a disk for synchronous data replication between two zones in the same region
+  public static Operation.Status createReplicatedDisk(String projectId, String region,
+        List<String> replicaZones, String diskName, int diskSizeGb, String diskType)
+        throws IOException, InterruptedException, ExecutionException, TimeoutException {
+    // 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 (RegionDisksClient regionDisksClient = RegionDisksClient.create()) {
+      Disk disk = Disk.newBuilder()
+            .setSizeGb(diskSizeGb)
+            .setName(diskName)
+             .setType(diskType)
+             .addAllReplicaZones(replicaZones)
+               .build();
+
+      InsertRegionDiskRequest insertRegionDiskRequest = InsertRegionDiskRequest.newBuilder()
+               .setProject(projectId)
+               .setRegion(region)
+               .setDiskResource(disk)
+              .build();
+
+      Operation response = regionDisksClient.insertAsync(insertRegionDiskRequest)
+               .get(3, TimeUnit.MINUTES);
+
+      if (response.hasError()) {
+        throw new Error("Error creating disk! " + response.getError());
+      }
+      return response.getStatus();
+    }
+  }
+}
+// [END compute_disk_regional_replicated]

compute/cloud-client/src/test/java/compute/Util.java

@@ -37,6 +37,7 @@
 import compute.deleteprotection.SetDeleteProtection;
 import compute.disks.DeleteDisk;
 import compute.disks.DeleteSnapshot;
+import compute.disks.RegionalDelete;
 import compute.reservation.DeleteReservation;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
@@ -217,6 +218,22 @@ && isCreatedBeforeThresholdTime(disk.getCreationTimestamp())) {
     }
   }
 
+  // Delete regional disks which starts with the given prefixToDelete and
+  // has creation timestamp >24 hours.
+  public static void cleanUpExistingRegionalDisks(
+          String prefixToDelete, String projectId, String region)
+          throws IOException, ExecutionException, InterruptedException, TimeoutException {
+    try (RegionDisksClient disksClient = RegionDisksClient.create()) {
+      for (Disk disk : disksClient.list(projectId, region).iterateAll()) {
+        if (disk.getName().contains(prefixToDelete)
+                && disk.getRegion().equals(region)
+                && isCreatedBeforeThresholdTime(disk.getCreationTimestamp())) {
+          RegionalDelete.deleteRegionalDisk(projectId, region, disk.getName());
+        }
+      }
+    }
+  }
+
   // Delete snapshots which starts with the given prefixToDelete and
   // has creation timestamp >24 hours.
   public static void cleanUpExistingSnapshots(String prefixToDelete, String projectId)

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

@@ -69,11 +69,12 @@ public class DisksIT {
   private static String EMPTY_DISK_NAME;
   private static String SNAPSHOT_NAME;
   private static String DISK_TYPE;
-
   private static String ZONAL_BLANK_DISK;
-
   private static String REGIONAL_BLANK_DISK;
-
+  private static String REGIONAL_REPLICATED_DISK;
+  private static final List<String> replicaZones = Arrays.asList(
+          String.format("projects/%s/zones/%s-a", PROJECT_ID, REGION),
+          String.format("projects/%s/zones/%s-b", PROJECT_ID, REGION));
   private ByteArrayOutputStream stdOut;
 
   // Check if the required environment variables are set.
@@ -101,12 +102,13 @@ public static void setup()
     DISK_TYPE = String.format("zones/%s/diskTypes/pd-ssd", ZONE);
     ZONAL_BLANK_DISK = "gcloud-test-disk-zattach-" + uuid;
     REGIONAL_BLANK_DISK = "gcloud-test-disk-rattach-" + uuid;
+    REGIONAL_REPLICATED_DISK = "gcloud-test-disk-replicated-" + uuid;
 
     // Cleanup existing stale instances.
     Util.cleanUpExistingInstances("test-disks", PROJECT_ID, ZONE);
     Util.cleanUpExistingDisks("gcloud-test-", PROJECT_ID, ZONE);
     Util.cleanUpExistingSnapshots("gcloud-test-snapshot-", PROJECT_ID);
-
+    Util.cleanUpExistingRegionalDisks("gcloud-test-disk-", PROJECT_ID, REGION);
     // Create disk from image.
     Image debianImage = null;
     try (ImagesClient imagesClient = ImagesClient.create()) {
@@ -170,6 +172,7 @@ public static void cleanUp()
     DeleteDisk.deleteDisk(PROJECT_ID, ZONE, EMPTY_DISK_NAME);
     DeleteDisk.deleteDisk(PROJECT_ID, ZONE, ZONAL_BLANK_DISK);
     RegionalDelete.deleteRegionalDisk(PROJECT_ID, REGION, REGIONAL_BLANK_DISK);
+    RegionalDelete.deleteRegionalDisk(PROJECT_ID, REGION, REGIONAL_REPLICATED_DISK);
 
     stdOut.close();
     System.setOut(out);
@@ -245,9 +248,7 @@ public static void createZonalDisk()
   public static void createRegionalDisk()
       throws IOException, ExecutionException, InterruptedException, TimeoutException {
     String diskType = String.format("regions/%s/diskTypes/pd-balanced", REGION);
-    List<String> replicaZones = Arrays.asList(
-        String.format("projects/%s/zones/%s-a", PROJECT_ID, REGION),
-        String.format("projects/%s/zones/%s-b", PROJECT_ID, REGION));
+
     RegionalCreateFromSource.createRegionalDisk(PROJECT_ID, REGION, replicaZones,
         REGIONAL_BLANK_DISK, diskType, 11, Optional.empty(), Optional.empty());
   }
@@ -301,4 +302,12 @@ public void testDiskAttachResize()
         Util.getRegionalDisk(PROJECT_ID, REGION, REGIONAL_BLANK_DISK).getSizeGb());
   }
 
+  @Test
+  public void testCreateReplicatedDisk()
+          throws IOException, ExecutionException, InterruptedException, TimeoutException {
+    Operation.Status status = CreateReplicatedDisk.createReplicatedDisk(PROJECT_ID, REGION,
+            replicaZones, REGIONAL_REPLICATED_DISK, 100, DISK_TYPE);
+
+    assertThat(status).isEqualTo(Operation.Status.DONE);
+  }
 }