Here’s the script to backup GCP disks.
#!/bin/bash now=$(date +%s) disks=$(gcloud compute disks list --project project-id --filter="users:instance" --format="value(name)") for disk in $disks do gcloud compute disks snapshot $disk \ --snapshot-names=$disk-$now \ --zone=us-central1-a \ --project=project-id \ --async done |