list all drives serial numbers using MAAS and jq

listdisks.sh

#!/bin/sh

PROFILE=ubuntu
API_KEY_FILE=~/maas.key
API_SERVER=172.30.72.130
MAAS_URL=http://$API_SERVER/MAAS/api/2.0
MACHINEID=hx7kdb

maas login $PROFILE $MAAS_URL - < $API_KEY_FILE

#simple output you can put in a sheet
maas $PROFILE machine read $MACHINEID | jq '.hostname, .system_id, (.blockdevice_set[] | .serial ) ' 

#json output
#maas $PROFILE machine read $MACHINEID | jq '{ hostname:.hostname, system_id:.system_id, blockdevice_set:[.blockdevice_set[] | {serial:.serial, name:.name, model:.model}]} '