feat: [RedisCluster] [Memorystore for Redis Cluster] Add support for Flexible CA feature (#9060)

* feat: [Memorystore for Redis Cluster] Add support for Flexible CA feature

PiperOrigin-RevId: 891891848

Source-Link: googleapis/googleapis@0eb2a36

Source-Link: googleapis/googleapis-gen@e41edbe
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RedisCluster/metadata/V1/CloudRedisCluster.php

@@ -0,0 +1,77 @@
+<?php
+/*
+ * Copyright 2026 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_GetSharedRegionalCertificateAuthority_sync]
+use Google\ApiCore\ApiException;
+use Google\Cloud\Redis\Cluster\V1\Client\CloudRedisClusterClient;
+use Google\Cloud\Redis\Cluster\V1\GetSharedRegionalCertificateAuthorityRequest;
+use Google\Cloud\Redis\Cluster\V1\SharedRegionalCertificateAuthority;
+
+/**
+ * Gets the details of regional certificate authority information for Redis
+ * cluster.
+ *
+ * @param string $formattedName Regional certificate authority resource name using the form:
+ *                              `projects/{project_id}/locations/{location_id}/sharedRegionalCertificateAuthority`
+ *                              where `location_id` refers to a Google Cloud region. Please see
+ *                              {@see CloudRedisClusterClient::sharedRegionalCertificateAuthorityName()} for help formatting this field.
+ */
+function get_shared_regional_certificate_authority_sample(string $formattedName): void
+{
+    // Create a client.
+    $cloudRedisClusterClient = new CloudRedisClusterClient();
+
+    // Prepare the request message.
+    $request = (new GetSharedRegionalCertificateAuthorityRequest())
+        ->setName($formattedName);
+
+    // Call the API and handle any network failures.
+    try {
+        /** @var SharedRegionalCertificateAuthority $response */
+        $response = $cloudRedisClusterClient->getSharedRegionalCertificateAuthority($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
+{
+    $formattedName = CloudRedisClusterClient::sharedRegionalCertificateAuthorityName(
+        '[PROJECT]',
+        '[LOCATION]'
+    );
+
+    get_shared_regional_certificate_authority_sample($formattedName);
+}
+// [END redis_v1_generated_CloudRedisCluster_GetSharedRegionalCertificateAuthority_sync]

RedisCluster/samples/V1/CloudRedisClusterClient/get_shared_regional_certificate_authority.php

@@ -51,10 +51,12 @@
 use Google\Cloud\Redis\Cluster\V1\GetBackupRequest;
 use Google\Cloud\Redis\Cluster\V1\GetClusterCertificateAuthorityRequest;
 use Google\Cloud\Redis\Cluster\V1\GetClusterRequest;
+use Google\Cloud\Redis\Cluster\V1\GetSharedRegionalCertificateAuthorityRequest;
 use Google\Cloud\Redis\Cluster\V1\ListBackupCollectionsRequest;
 use Google\Cloud\Redis\Cluster\V1\ListBackupsRequest;
 use Google\Cloud\Redis\Cluster\V1\ListClustersRequest;
 use Google\Cloud\Redis\Cluster\V1\RescheduleClusterMaintenanceRequest;
+use Google\Cloud\Redis\Cluster\V1\SharedRegionalCertificateAuthority;
 use Google\Cloud\Redis\Cluster\V1\UpdateClusterRequest;
 use Google\LongRunning\Client\OperationsClient;
 use Google\LongRunning\Operation;
@@ -96,6 +98,7 @@
  * @method PromiseInterface<BackupCollection> getBackupCollectionAsync(GetBackupCollectionRequest $request, array $optionalArgs = [])
  * @method PromiseInterface<Cluster> getClusterAsync(GetClusterRequest $request, array $optionalArgs = [])
  * @method PromiseInterface<CertificateAuthority> getClusterCertificateAuthorityAsync(GetClusterCertificateAuthorityRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<SharedRegionalCertificateAuthority> getSharedRegionalCertificateAuthorityAsync(GetSharedRegionalCertificateAuthorityRequest $request, array $optionalArgs = [])
  * @method PromiseInterface<PagedListResponse> listBackupCollectionsAsync(ListBackupCollectionsRequest $request, array $optionalArgs = [])
  * @method PromiseInterface<PagedListResponse> listBackupsAsync(ListBackupsRequest $request, array $optionalArgs = [])
  * @method PromiseInterface<PagedListResponse> listClustersAsync(ListClustersRequest $request, array $optionalArgs = [])
@@ -244,6 +247,25 @@ public static function backupCollectionName(string $project, string $location, s
         ]);
     }
 
+    /**
+     * Formats a string containing the fully-qualified path to represent a ca_pool
+     * resource.
+     *
+     * @param string $project
+     * @param string $location
+     * @param string $caPool
+     *
+     * @return string The formatted ca_pool resource.
+     */
+    public static function caPoolName(string $project, string $location, string $caPool): string
+    {
+        return self::getPathTemplate('caPool')->render([
+            'project' => $project,
+            'location' => $location,
+            'ca_pool' => $caPool,
+        ]);
+    }
+
     /**
      * Formats a string containing the fully-qualified path to represent a
      * certificate_authority resource.
@@ -403,12 +425,30 @@ public static function serviceAttachmentName(string $project, string $region, st
         ]);
     }
 
+    /**
+     * Formats a string containing the fully-qualified path to represent a
+     * shared_regional_certificate_authority resource.
+     *
+     * @param string $project
+     * @param string $location
+     *
+     * @return string The formatted shared_regional_certificate_authority resource.
+     */
+    public static function sharedRegionalCertificateAuthorityName(string $project, string $location): string
+    {
+        return self::getPathTemplate('sharedRegionalCertificateAuthority')->render([
+            'project' => $project,
+            'location' => $location,
+        ]);
+    }
+
     /**
      * Parses a formatted name string and returns an associative array of the components in the name.
      * The following name formats are supported:
      * Template: Pattern
      * - backup: projects/{project}/locations/{location}/backupCollections/{backup_collection}/backups/{backup}
      * - backupCollection: projects/{project}/locations/{location}/backupCollections/{backup_collection}
+     * - caPool: projects/{project}/locations/{location}/caPools/{ca_pool}
      * - certificateAuthority: projects/{project}/locations/{location}/clusters/{cluster}/certificateAuthority
      * - cluster: projects/{project}/locations/{location}/clusters/{cluster}
      * - cryptoKey: projects/{project}/locations/{location}/keyRings/{key_ring}/cryptoKeys/{crypto_key}
@@ -417,6 +457,7 @@ public static function serviceAttachmentName(string $project, string $region, st
      * - location: projects/{project}/locations/{location}
      * - network: projects/{project}/global/networks/{network}
      * - serviceAttachment: projects/{project}/regions/{region}/serviceAttachments/{service_attachment}
+     * - sharedRegionalCertificateAuthority: projects/{project}/locations/{location}/sharedRegionalCertificateAuthority
      *
      * The optional $template argument can be supplied to specify a particular pattern,
      * and must match one of the templates listed above. If no $template argument is
@@ -779,6 +820,36 @@ public function getClusterCertificateAuthority(
         return $this->startApiCall('GetClusterCertificateAuthority', $request, $callOptions)->wait();
     }
 
+    /**
+     * Gets the details of regional certificate authority information for Redis
+     * cluster.
+     *
+     * The async variant is
+     * {@see CloudRedisClusterClient::getSharedRegionalCertificateAuthorityAsync()} .
+     *
+     * @example samples/V1/CloudRedisClusterClient/get_shared_regional_certificate_authority.php
+     *
+     * @param GetSharedRegionalCertificateAuthorityRequest $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 SharedRegionalCertificateAuthority
+     *
+     * @throws ApiException Thrown if the API call fails.
+     */
+    public function getSharedRegionalCertificateAuthority(
+        GetSharedRegionalCertificateAuthorityRequest $request,
+        array $callOptions = []
+    ): SharedRegionalCertificateAuthority {
+        return $this->startApiCall('GetSharedRegionalCertificateAuthority', $request, $callOptions)->wait();
+    }
+
     /**
      * Lists all backup collections owned by a consumer project in either the
      * specified location (region) or all locations.