revive-preempt-vm

Just a POC, Use google cloud Pub/Sub + Firebase Cloud function

Follow the step

Noted you can change topic_name inside `revive.sh` and `functions/index.js`

Create Topic

Create Topic on GCP pub/sub via google cloud console or gcloud sdk
- gcloud pubsub topics create <topic_name>

Create Preempt VM

Create preemptible vm on GCP via google cloud console or gcloud sdk
- gcloud compute instances create <instance_name> --preemptible --metadata-from-file shutdown-script=revive.sh

Deploy firebase cloud function

firebase deploy
or
cd functions && npm run deploy

Try it out

Stop Preempt VM and see the log on firebase cloud functions, then look on GCP Compute engine dashboard
Preempt VM is running again