THIS REPOSITORY AND PACKAGE WILL BE DEPRECATED IN JULY 2024
Google Cloud Datastore Sessions@google-cloud/connect-datastore is a Google Cloud Datastore session store backed by @google-cloud/datastore.
Note: Cloud Datastore is a persistent, distributed, transactional database. Often, it's more appropriate to choose a different storage solution for sessions such as Memcache or Redis as their designs offer much faster operation in this use case.
npm install @google-cloud/connect-datastore
You must have a Google Cloud project and credentials.
See gcloud node's documentation on setting up authentication.
const {Datastore} = require('@google-cloud/datastore');
const {DatastoreStore} = require('@google-cloud/connect-datastore');
const express = require('express');
const session = require('express-session');
const app = express();
app.use(session({
store: new DatastoreStore({
kind: 'express-sessions',
// Optional: expire the session after this many milliseconds.
// note: datastore does not automatically delete all expired sessions
// you may want to run separate cleanup requests to remove expired sessions
// 0 means do not expire
expirationMs: 0,
dataset: new Datastore({
// For convenience, @google-cloud/datastore automatically looks for the
// GCLOUD_PROJECT environment variable. Or you can explicitly pass in a
// project ID here:
projectId: process.env.GCLOUD_PROJECT,
// For convenience, @google-cloud/datastore automatically looks for the
// GOOGLE_APPLICATION_CREDENTIALS environment variable. Or you can
// explicitly pass in that path to your key file here:
keyFilename: process.env.GOOGLE_APPLICATION_CREDENTIALS
})
}),
secret: 'my-secret'
}));
If a session is fetched with the delta between the createdAt time and current time greater than expirationMs, the session will not be returned and will instead be destroyed.
Datastore does not support a ttl, and tokens are only deleted if a session is fetched. You will likely want to implement logic to occasionally delete expired sessions.
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