feat: add code samples for secret manager access by alias (#373)

* feat: add code samples for secret manager access by alias

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Benjamin E. Coe <[email protected]>
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

secret-manager/test/secretmanager.test.js

@@ -114,6 +114,11 @@ describe('Secret Manager samples', () => {
     assert.match(output, new RegExp(`Updated secret ${secret.name}`));
   });
 
+  it('updates a secret with an alias', async () => {
+    const output = execSync(`node updateSecretWithAlias.js ${secret.name}`);
+    assert.match(output, new RegExp(`Updated secret ${secret.name}`));
+  });
+
   it('deletes a secret', async () => {
     const output = execSync(
       `node deleteSecret.js projects/${projectId}/secrets/${secretId}-2`

secret-manager/updateSecretWithAlias.js

@@ -0,0 +1,51 @@
+// Copyright 2022 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.
+
+'use strict';
+
+async function main(name = 'projects/my-project/secrets/my-secret') {
+  // [START secretmanager_update_secret_with_alias]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  // const name = 'projects/my-project/secrets/my-secret';
+
+  // Imports the Secret Manager library
+  const {SecretManagerServiceClient} = require('@google-cloud/secret-manager');
+
+  // Instantiates a client
+  const client = new SecretManagerServiceClient();
+
+  async function updateSecret() {
+    const [secret] = await client.updateSecret({
+      secret: {
+        name: name,
+        versionAliases: {
+          test: 1,
+        },
+      },
+      updateMask: {
+        paths: ['version_aliases'],
+      },
+    });
+
+    console.info(`Updated secret ${secret.name}`);
+  }
+
+  updateSecret();
+  // [END secretmanager_update_secret_with_alias]
+}
+
+const args = process.argv.slice(2);
+main(...args).catch(console.error);