feat: [Filestore] Added REGIONAL tier support in the v1 API

Filestore/samples/V1/CloudFilestoreManagerClient/revert_instance.php

@@ -0,0 +1,84 @@
+<?php
+/*
+ * Copyright 2023 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
+ *
+ *     https://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.
+ */
+
+/*
+ * GENERATED CODE WARNING
+ * This file was automatically generated - do not edit!
+ */
+
+require_once __DIR__ . '/../../../vendor/autoload.php';
+
+// [START file_v1_generated_CloudFilestoreManager_RevertInstance_sync]
+use Google\ApiCore\ApiException;
+use Google\ApiCore\OperationResponse;
+use Google\Cloud\Filestore\V1\CloudFilestoreManagerClient;
+use Google\Cloud\Filestore\V1\Instance;
+use Google\Rpc\Status;
+
+/**
+ * Revert an existing instance's file system to a specified snapshot.
+ *
+ * @param string $formattedName    Required.
+ *                                 `projects/{project_id}/locations/{location_id}/instances/{instance_id}`.
+ *                                 The resource name of the instance, in the format
+ *                                 Please see {@see CloudFilestoreManagerClient::instanceName()} for help formatting this field.
+ * @param string $targetSnapshotId The snapshot resource ID, in the format 'my-snapshot', where the
+ *                                 specified ID is the {snapshot_id} of the fully qualified name like
+ *                                 `projects/{project_id}/locations/{location_id}/instances/{instance_id}/snapshots/{snapshot_id}`
+ */
+function revert_instance_sample(string $formattedName, string $targetSnapshotId): void
+{
+    // Create a client.
+    $cloudFilestoreManagerClient = new CloudFilestoreManagerClient();
+
+    // Call the API and handle any network failures.
+    try {
+        /** @var OperationResponse $response */
+        $response = $cloudFilestoreManagerClient->revertInstance($formattedName, $targetSnapshotId);
+        $response->pollUntilComplete();
+
+        if ($response->operationSucceeded()) {
+            /** @var Instance $result */
+            $result = $response->getResult();
+            printf('Operation successful with response data: %s' . PHP_EOL, $result->serializeToJsonString());
+        } else {
+            /** @var Status $error */
+            $error = $response->getError();
+            printf('Operation failed with error data: %s' . PHP_EOL, $error->serializeToJsonString());
+        }
+    } catch (ApiException $ex) {
+        printf('Call failed with message: %s' . PHP_EOL, $ex->getMessage());
+    }
+}
+
+/**
+ * Helper to execute the sample.
+ *
+ * This sample has been automatically generated and should be regarded as a code
+ * template only. It will require modifications to work:
+ *  - It may require correct/in-range values for request initialization.
+ *  - It may require specifying regional endpoints when creating the service client,
+ *    please see the apiEndpoint client configuration option for more details.
+ */
+function callSample(): void
+{
+    $formattedName = CloudFilestoreManagerClient::instanceName('[PROJECT]', '[LOCATION]', '[INSTANCE]');
+    $targetSnapshotId = '[TARGET_SNAPSHOT_ID]';
+
+    revert_instance_sample($formattedName, $targetSnapshotId);
+}
+// [END file_v1_generated_CloudFilestoreManager_RevertInstance_sync]

Filestore/src/V1/Client/CloudFilestoreManagerClient.php

@@ -50,6 +50,7 @@
 use Google\Cloud\Filestore\V1\ListInstancesRequest;
 use Google\Cloud\Filestore\V1\ListSnapshotsRequest;
 use Google\Cloud\Filestore\V1\RestoreInstanceRequest;
+use Google\Cloud\Filestore\V1\RevertInstanceRequest;
 use Google\Cloud\Filestore\V1\Snapshot;
 use Google\Cloud\Filestore\V1\UpdateBackupRequest;
 use Google\Cloud\Filestore\V1\UpdateInstanceRequest;
@@ -105,6 +106,7 @@
  * @method PromiseInterface listInstancesAsync(ListInstancesRequest $request, array $optionalArgs = [])
  * @method PromiseInterface listSnapshotsAsync(ListSnapshotsRequest $request, array $optionalArgs = [])
  * @method PromiseInterface restoreInstanceAsync(RestoreInstanceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface revertInstanceAsync(RevertInstanceRequest $request, array $optionalArgs = [])
  * @method PromiseInterface updateBackupAsync(UpdateBackupRequest $request, array $optionalArgs = [])
  * @method PromiseInterface updateInstanceAsync(UpdateInstanceRequest $request, array $optionalArgs = [])
  * @method PromiseInterface updateSnapshotAsync(UpdateSnapshotRequest $request, array $optionalArgs = [])
@@ -679,6 +681,30 @@ public function restoreInstance(RestoreInstanceRequest $request, array $callOpti
         return $this->startApiCall('RestoreInstance', $request, $callOptions)->wait();
     }
 
+    /**
+     * Revert an existing instance's file system to a specified snapshot.
+     *
+     * The async variant is {@see CloudFilestoreManagerClient::revertInstanceAsync()} .
+     *
+     * @param RevertInstanceRequest $request     A request to house fields associated with the call.
+     * @param array                 $callOptions {
+     *     Optional.
+     *
+     *     @type RetrySettings|array $retrySettings
+     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
+     *           associative array of retry settings parameters. See the documentation on
+     *           {@see RetrySettings} for example usage.
+     * }
+     *
+     * @return OperationResponse
+     *
+     * @throws ApiException Thrown if the API call fails.
+     */
+    public function revertInstance(RevertInstanceRequest $request, array $callOptions = []): OperationResponse
+    {
+        return $this->startApiCall('RevertInstance', $request, $callOptions)->wait();
+    }
+
     /**
      * Updates the settings of a specific backup.
      *

Filestore/src/V1/Gapic/CloudFilestoreManagerGapicClient.php

@@ -53,6 +53,7 @@
 use Google\Cloud\Filestore\V1\ListSnapshotsRequest;
 use Google\Cloud\Filestore\V1\ListSnapshotsResponse;
 use Google\Cloud\Filestore\V1\RestoreInstanceRequest;
+use Google\Cloud\Filestore\V1\RevertInstanceRequest;
 use Google\Cloud\Filestore\V1\Snapshot;
 use Google\Cloud\Filestore\V1\UpdateBackupRequest;
 use Google\Cloud\Filestore\V1\UpdateInstanceRequest;
@@ -1482,6 +1483,89 @@ public function restoreInstance($name, $fileShare, array $optionalArgs = [])
         )->wait();
     }
 
+    /**
+     * Revert an existing instance's file system to a specified snapshot.
+     *
+     * Sample code:
+     * ```
+     * $cloudFilestoreManagerClient = new CloudFilestoreManagerClient();
+     * try {
+     *     $formattedName = $cloudFilestoreManagerClient->instanceName('[PROJECT]', '[LOCATION]', '[INSTANCE]');
+     *     $targetSnapshotId = 'target_snapshot_id';
+     *     $operationResponse = $cloudFilestoreManagerClient->revertInstance($formattedName, $targetSnapshotId);
+     *     $operationResponse->pollUntilComplete();
+     *     if ($operationResponse->operationSucceeded()) {
+     *         $result = $operationResponse->getResult();
+     *     // doSomethingWith($result)
+     *     } else {
+     *         $error = $operationResponse->getError();
+     *         // handleError($error)
+     *     }
+     *     // Alternatively:
+     *     // start the operation, keep the operation name, and resume later
+     *     $operationResponse = $cloudFilestoreManagerClient->revertInstance($formattedName, $targetSnapshotId);
+     *     $operationName = $operationResponse->getName();
+     *     // ... do other work
+     *     $newOperationResponse = $cloudFilestoreManagerClient->resumeOperation($operationName, 'revertInstance');
+     *     while (!$newOperationResponse->isDone()) {
+     *         // ... do other work
+     *         $newOperationResponse->reload();
+     *     }
+     *     if ($newOperationResponse->operationSucceeded()) {
+     *         $result = $newOperationResponse->getResult();
+     *     // doSomethingWith($result)
+     *     } else {
+     *         $error = $newOperationResponse->getError();
+     *         // handleError($error)
+     *     }
+     * } finally {
+     *     $cloudFilestoreManagerClient->close();
+     * }
+     * ```
+     *
+     * @param string $name             Required.
+     *                                 `projects/{project_id}/locations/{location_id}/instances/{instance_id}`.
+     *                                 The resource name of the instance, in the format
+     * @param string $targetSnapshotId Required. The snapshot resource ID, in the format 'my-snapshot', where the
+     *                                 specified ID is the {snapshot_id} of the fully qualified name like
+     *                                 `projects/{project_id}/locations/{location_id}/instances/{instance_id}/snapshots/{snapshot_id}`
+     * @param array  $optionalArgs     {
+     *     Optional.
+     *
+     *     @type RetrySettings|array $retrySettings
+     *           Retry settings to use for this call. Can be a {@see RetrySettings} object, or an
+     *           associative array of retry settings parameters. See the documentation on
+     *           {@see RetrySettings} for example usage.
+     * }
+     *
+     * @return \Google\ApiCore\OperationResponse
+     *
+     * @throws ApiException if the remote call fails
+     */
+    public function revertInstance(
+        $name,
+        $targetSnapshotId,
+        array $optionalArgs = []
+    ) {
+        $request = new RevertInstanceRequest();
+        $requestParamHeaders = [];
+        $request->setName($name);
+        $request->setTargetSnapshotId($targetSnapshotId);
+        $requestParamHeaders['name'] = $name;
+        $requestParams = new RequestParamsHeaderDescriptor(
+            $requestParamHeaders
+        );
+        $optionalArgs['headers'] = isset($optionalArgs['headers'])
+            ? array_merge($requestParams->getHeader(), $optionalArgs['headers'])
+            : $requestParams->getHeader();
+        return $this->startOperationsCall(
+            'RevertInstance',
+            $optionalArgs,
+            $request,
+            $this->getOperationsClient()
+        )->wait();
+    }
+
     /**
      * Updates the settings of a specific backup.
      *