Can a Cloud Function read from Cloud Storage?

Question

The only docs I can find about using GCF+GCS is https://cloud.google.com/functions/docs/tutorials/storage. AFAICT this is just showing how to use GCS events to trigger GCF.

In the docs for GCF dependencies, it only mentions node modules. Is it possible for GCF code to read from a GCS bucket? Is it simply the case of requiring a node module that knows how to communicate with GCS and if so, are there any examples of that?

Answer 1

Yes you can read and write to storage bucket

const storage = require('@google-cloud/storage')();
const myBucket = storage.bucket('my-bucket');
const file = myBucket.file('my-file');

file.createReadStream().on('data', () => {
    // do something!
});

for more information check the documentations on Google Cloud.