hibernate

Hibernate computers with a POST request

Overview

This app uses two cloud functions:

• setHibernateFlag
  Save the current time to the Cloud Firestore database for a given computer ID.

• readHibernateFlag
  Return true if the database time for a given computer ID is within the last 5 minutes, false otherwise.

The PC can fetch the readHibernateFlag function every 1 minute, and hibernate if it returns true.

Version history

Version 2.0.0 supports multiple computers that can be independently controlled. It uses Cloud Functions and Cloud Firestore directly rather than being set up through the Firebase platform.

Version 1.0.0 supports a single computer and uses Cloud Functions and Cloud Firestore through the Firebase platform.

Deployment

1. Create an auth token and set it in config.json (see config_sample.json for reference).

2. Deploy the cloud functions:

   npm install
   npm run deploy

PC Integration

Set up a scheduled task to fetch the flag every 1 minute, and send the hibernate command if it returns true

Powershell example:

$Params = @{
  Method = "Post"
  Uri = "https://YOUR_REGION-YOUR_PROJECT_ID.cloudfunctions.net/readHibernateFlag"
  Body = "computerId=computer1"
  ContentType = "application/x-www-form-urlencoded"
}

$r = Invoke-RestMethod @Params

if ($r -eq 'true') {
  shutdown.exe /h
}

Trigger with POST request

curl -X POST "https://YOUR_REGION-YOUR_PROJECT_ID.cloudfunctions.net/setHibernateFlag" -H "Content-Type:application/json" --data '{"token":"YOUR_TOKEN", "computerId":"computer1"}'