gcp-disk-reaper

This workflow looks at all of the GCP disks in a given account and zone and selects a subset of those to terminate that don't have any users (i.e. unattached).

Prerequisites

Before you run this workflow, you will need the following:

• A GCP account.
• An GCP service account with permissions to list and terminate GCP disks (if not run in dry run mode).
• One or more running GCP disks that are not attached to any instances.

Run the workflow

Follow these steps to run the workflow:

1. Add your GCP service account credentials as a Connection:

2. Click Run workflow and wait for the workflow run page to appear.

3. Supply following parameters to the modal:

   • KEY: zone
   • VALUE: The GCP zone to run in.
   • KEY: dryRun
   • VALUE: True if you dont want to actually delete the resources. Use this to test the workflow and ensure it is behaving as expected.

4. Warning: If you run the workflow with the dryRun parameter set to false, unattached disks will immediately be terminated.

Run the workflow on a schedule

Follow these steps to run this workflow on a schedule:

• Un-comment out the Trigger block in the workflow file:

TIP: If you're using the Relay code editor, highlight the triggers section and type ⌘ + / (Mac) or Ctrl + / (Windows) to uncomment.

# triggers:
# - name: schedule
#   source:
#     type: schedule
#     schedule: '0 * * * *'
#   binding:
#     parameters:
#       zone: us-central1-a
#       dryRun: true

• Configure the schedule trigger:
  • Supply the run interval in cron format.
• Configure the following parameter bindings:
  • Specify the zone to run in.
  • Specify whether dryRun should be set to true or false.
• Click Save changes