FM / data

/var/lib/cloud/data

Name	Size	Mode	Actions
instance-id	37	0644	edit dl rm
previous-datasource	80	0644	edit dl rm
previous-hostname	51	0644	edit dl rm
previous-instance-id	37	0644	edit dl rm
python-version	3	0644	edit dl rm
result.json	107	0644	edit dl rm
set-hostname	66	0644	edit dl rm
status.json	544	0644	edit dl rm

Edit: /var/lib/cloud/data/set-hostname (66B)

{ "fqdn": "ns1001494.ip-51-81-66.us", "hostname": "ns1001494" }