nodejs-pubsub/samples/createSubscription.js at main · googleapis/nodejs-pubsub

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// 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.

// This is a generated sample, using the typeless sample bot. Please

// look for the source TypeScript sample (.ts) for modifications.

'use strict';

/**

* This sample demonstrates how to create subscriptions with the

* Google Cloud Pub/Sub API.

* For more information, see the README.md under /pubsub and the documentation

* at https://cloud.google.com/pubsub/docs.

// sample-metadata:

// title: Create Subscription

// description: Creates a new subscription.

// usage: node createSubscription.js <topic-name-or-id> <subscription-name-or-id>

// [START pubsub_create_pull_subscription]

/**

* TODO(developer): Uncomment these variables before running the sample.

// const topicNameOrId = 'YOUR_TOPIC_NAME_OR_ID';

// const subscriptionNameOrId = 'YOUR_SUBSCRIPTION_NAME_OR_ID';

// Imports the Google Cloud client library

const {PubSub} = require('@google-cloud/pubsub');

// Creates a client; cache this for further use

const pubSubClient = new PubSub();

async function createSubscription(topicNameOrId, subscriptionNameOrId) {

// Creates a new subscription

await pubSubClient

.topic(topicNameOrId)

.createSubscription(subscriptionNameOrId);

console.log(`Subscription ${subscriptionNameOrId} created.`);

}

// [END pubsub_create_pull_subscription]

function main(

topicNameOrId = 'YOUR_TOPIC_NAME_OR_ID',

subscriptionNameOrId = 'YOUR_SUBSCRIPTION_NAME_OR_ID',

) {

createSubscription(topicNameOrId, subscriptionNameOrId).catch(err => {

console.error(err.message);

process.exitCode = 1;

});

}

main(...process.argv.slice(2));

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