Script to set the boot device on all machines in MAAS

maas-set-boot-disk.sh

#!/bin/bash

tagName=foundation-nodes
diskName="os$"

machines=$(maas root tag machines $tagName | jq -r '.[] | .system_id')
for machine in $machines
do
    diskId=$(maas root block-devices read $machine | jq -r '.[] | .name, .id' | grep $diskName -A 1 | tail -n 1)
    echo "maas root block-device set-boot-disk $machine $diskId"
    maas root block-device set-boot-disk $machine $diskId
done