Delete all Google Pub/Sub subscriptions

deleteSubscriptions.js

'use strict';

const async = require('async');
const gcloud = require('gcloud')();
const pubsub = gcloud.pubsub();

const callback = function (err, subscriptions, nextQuery) {
    if (!err) {
        async.forEach(subscriptions, (subscription, callback) => {
            subscription.delete(callback);
        }, err => {

            if (err) {
                console.error('something went wrong!');
                console.error(err);
            }
            else {
                if (nextQuery) {
                    pubsub.getSubscriptions(nextQuery, callback);
                }
                else {
                    process.exit();
                }
            }
        })
    }
};

pubsub.getSubscriptions({
    autoPaginate: false
}, callback);