This repository contains code to autotag instances in GCP with a contact label, which can be useful for establishing who is responsiblef or a resource in GCP.

These instructions were adapted from https://blog.doit-intl.com/automatically-label-google-cloud-compute-engine-instances-and-disks-upon-creation-5d1245f361c1

1. Go to Cloud Functions and click on CREATE FUNCTION.

   a. Give the function a name (such as autotagger), and change the trigger to Cloud Pub/Sub.

   b. Click CREATE TOPIC and give a title such as label-instance-on-creation. c. Click SAVE.

   d. Click NEXT to advance from Configuration to Code.

   e. Select Python 3.8.

   f. Click on SOURCE CODE and change it to ZIP Upload. You can download this repository as a zip file.

   g. Click DEPLOY.

2. Go to Cloud Logging

   a. Add the following into QUERY and click RUN QUERY.

   resource.type="gce_instance"
   protoPayload.methodName="beta.compute.instances.insert"
   operation.first="true"
   

   b. Under ACTIONS select CREATE SINK. Name the sink autotagger-sink and set the destination to the Pub/Sub topic you created.