feat(secret-manager): add optional ttl field to createSecret function

- Introduced the 'ttl' parameter in the Node.js sample for creating secrets.
- Ensured backward compatibility by handling cases where 'ttl' is undefined.

Author: hivanalejandro

secret-manager/createSecret.js

@@ -14,30 +14,38 @@
 
 'use strict';
 
-async function main(parent = 'projects/my-project', secretId = 'my-secret') {
+async function main(parent = 'projects/my-project', secretId = 'my-secret', ttl = undefined) {
   // [START secretmanager_create_secret]
   /**
    * TODO(developer): Uncomment these variables before running the sample.
    */
   // const parent = 'projects/my-project';
   // const secretId = 'my-secret';
+  // const ttl = '900s' // Optional: Specify TTL in seconds (e.g., '900s' for 15 minutes).
 
   // Imports the Secret Manager library
-  const {SecretManagerServiceClient} = require('@google-cloud/secret-manager');
+  const { SecretManagerServiceClient } = require('@google-cloud/secret-manager');
 
   // Instantiates a client
   const client = new SecretManagerServiceClient();
 
   async function createSecret() {
+    const secretConfig = {
+      replication: {
+        automatic: {}
+      },
+    };
+
+    // Add TTL to the secret configuration if provided
+    if (ttl) {
+      secretConfig.ttl = ttl;
+    }
+
     const [secret] = await client.createSecret({
       parent: parent,
       secretId: secretId,
-      secret: {
-        replication: {
-          automatic: {},
-        },
-      },
-    });
+      secret: secretConfig,
+    })
 
     console.log(`Created secret ${secret.name}`);
   }