feat(PubSub): Add create_topic_with_azure_event_hubs_ingestion sample

Author: cy-yun

pubsub/api/src/create_topic_with_azure_event_hubs_ingestion.php

@@ -0,0 +1,76 @@
+<?php
+
+/**
+ * Copyright 2025 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.
+ */
+
+/**
+ * For instructions on how to run the full sample:
+ *
+ * @see https://github.com/GoogleCloudPlatform/php-docs-samples/blob/main/pubsub/api/README.md
+ */
+
+namespace Google\Cloud\Samples\PubSub;
+
+# [START pubsub_create_topic_with_azure_event_hubs_ingestion]
+use Google\Cloud\PubSub\PubSubClient;
+
+/**
+ * Creates a Pub/Sub topic with Azure Event Hubs ingestion.
+ *
+ * @param string $projectId  The Google project ID.
+ * @param string $topicName  The Pub/Sub topic name.
+ * @param string $resourceGroup  The name of the resource group within the azure subscription.
+ * @param string $namespace  The name of the Event Hubs namespace.
+ * @param string $eventHub  The name of the Event Hub.
+ * @param string $clientId  The client id of the Azure application that is being used to authenticate Pub/Sub.
+ * @param string $tenantId  The tenant id of the Azure application that is being used to authenticate Pub/Sub.
+ * @param string $subscriptionId  The Azure subscription id.
+ * @param string $gcpServiceAccount  The GCP service account to be used for Federated Identity authentication.
+ */
+function create_topic_with_azure_event_hubs_ingestion(
+    string $projectId,
+    string $topicName,
+    string $resourceGroup,
+    string $namespace,
+    string $eventHub,
+    string $clientId,
+    string $tenantId,
+    string $subscriptionId,
+    string $gcpServiceAccount
+): void {
+    $pubsub = new PubSubClient([
+        'projectId' => $projectId,
+    ]);
+
+    $topic = $pubsub->createTopic($topicName, [
+        'ingestionDataSourceSettings' => [
+            'azure_event_hubs' => [
+                'resource_group' => $resourceGroup,
+                'namespace' => $namespace,
+                'event_hub' => $eventHub,
+                'client_id' => $clientId,
+                'tenant_id' => $tenantId,
+                'subscription_id' => $subscriptionId,
+                'gcp_service_account' => $gcpServiceAccount
+            ]
+        ]
+    ]);
+
+    printf('Topic created: %s' . PHP_EOL, $topic->name());
+}
+# [END pubsub_create_topic_with_azure_event_hubs_ingestion]
+require_once __DIR__ . '/../../../testing/sample_helpers.php';
+\Google\Cloud\Samples\execute_sample(__FILE__, __NAMESPACE__, $argv);

pubsub/api/test/pubsubTest.php

@@ -489,4 +489,23 @@ public function testPublishAndSubscribeWithOrderingKeys()
         $this->assertMatchesRegularExpression('/Created subscription with ordering/', $output);
         $this->assertMatchesRegularExpression('/\"enableMessageOrdering\":true/', $output);
     }
+
+    public function testCreateTopicWithAzureEventHubsIngestion()
+    {
+        $this->expectException(ServiceException::class);
+        $this->expectExceptionCode(7); // PERMISSION_DENIED
+        $this->expectExceptionMessage('Cloud Pub\/Sub does not have the necessary permissions settings on the ingestion data source: IAM permission denied for service account');
+        $topic = 'test-topic-' . rand();
+        $this->runFunctionSnippet('create_topic_with_azure_event_hubs_ingestion', [
+            self::$projectId,
+            $topic,
+            'fake-resource-group',
+            'fake-namespace', 
+            'fake-event-hub', 
+            '11111111-1111-1111-1111-11111111111', 
+            '22222222-2222-2222-2222-222222222222', 
+            '33333333-3333-3333-3333-333333333333',
+            self::$gcpServiceAccount
+        ]);
+    }
 }