Achieving GCP scheduled disk snapshots with Terraform

Google announced scheduled disk snapshots at Google Cloud NEXT this year. The support allows admins/operators to create schedules and bind disks to the schedules. Backed by some sort of quartz/timer trigger, the schedules initiate snapshots of disks and maintain copies for a configurable period of time. The details for these alpha features can be difficult to dig up on the web, but are pretty easy to uncover via gclouds alpha and beta components.
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