feat: Add support for different node types (#7368)

feat: Add persistence support
feat: Get details of certificate authority from redis cluster
docs: size_gb field shows the size of the cluster rounded up to the next integer, precise_size_gb field will show the exact size of the cluster
PiperOrigin-RevId: 640389721
Source-Link: googleapis/googleapis@8bca64a
Source-Link: googleapis/googleapis-gen@24dbd22
Copy-Tag: eyJwIjoiUmVkaXNDbHVzdGVyLy5Pd2xCb3QueWFtbCIsImgiOiIyNGRiZDIyN2E1NWU3MzQ3NzMzZDU5MzExODM3Nzk3Yzk2ZDZkNTU0In0=

RedisCluster/samples/V1/CloudRedisClusterClient/get_cluster_certificate_authority.php

@@ -0,0 +1,77 @@
+<?php
+/*
+ * 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
+ *
+ *     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 redis_v1_generated_CloudRedisCluster_GetClusterCertificateAuthority_sync]
+use Google\ApiCore\ApiException;
+use Google\Cloud\Redis\Cluster\V1\CertificateAuthority;
+use Google\Cloud\Redis\Cluster\V1\Client\CloudRedisClusterClient;
+use Google\Cloud\Redis\Cluster\V1\GetClusterCertificateAuthorityRequest;
+
+/**
+ * Gets the details of certificate authority information for Redis cluster.
+ *
+ * @param string $formattedName Redis cluster certificate authority resource name using the form:
+ *                              `projects/{project_id}/locations/{location_id}/clusters/{cluster_id}/certificateAuthority`
+ *                              where `location_id` refers to a GCP region. Please see
+ *                              {@see CloudRedisClusterClient::certificateAuthorityName()} for help formatting this field.
+ */
+function get_cluster_certificate_authority_sample(string $formattedName): void
+{
+    // Create a client.
+    $cloudRedisClusterClient = new CloudRedisClusterClient();
+
+    // Prepare the request message.
+    $request = (new GetClusterCertificateAuthorityRequest())
+        ->setName($formattedName);
+
+    // Call the API and handle any network failures.
+    try {
+        /** @var CertificateAuthority $response */
+        $response = $cloudRedisClusterClient->getClusterCertificateAuthority($request);
+        printf('Response data: %s' . PHP_EOL, $response->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
+{
+    $formattedName = CloudRedisClusterClient::certificateAuthorityName(
+        '[PROJECT]',
+        '[LOCATION]',
+        '[CLUSTER]'
+    );
+
+    get_cluster_certificate_authority_sample($formattedName);
+}
+// [END redis_v1_generated_CloudRedisCluster_GetClusterCertificateAuthority_sync]