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Google Cloud Compute VM Cleanup

Script to delete oldest VM in a project.

Usage

$ python3 cleanup.py --project_id GOOGLE_CLOUD_PROJECT_ID_NAME \
                     --zone GCP_ZONE \
                     --service_name_label SERVICE_TAG

Example:

$ python3 cleanup.py --project_id my-gcp-project123456789 \
                     --zone us-central1-a \
                     --service_name_label my-service

--project_id Google Cloud Project ID.

--zone Google Cloud zone in which the VM exists in.

--service_name_label A label on the Compute VM in the format of service: LABEL.
So if the label is service: database then use the field --service_name_label database.
Make sure to use the label feature on the VM and not the tag.

Running on GCP

  1. Make a Service Account with the capability to read, write, and delete Compute VMs.
  2. When creating the VMs, attach the Service Account you created to the VM.

Running on local machine

  1. Make a Service Account with the capability to read, write, and delete Compute VMs.
  2. Authenticate on local machine.
    a. Generate the API keys and run export GOOGLE_APPLICATION_CREDENTIALS=location of your API KEY file

Common pitfalls

Make sure to use the label feature on the VM and not the tag.