All users who get 'subscriber' role automatically get 'flamenco-user' and
'attract-user', and when 'subscriber' is revoked, so are
'{flamenco,attract}-user'.
This variable is set to True iff the user has a subscriber/demo/admin role.
It's an attempt to get some of the Cloud subscription specific stuff out
of Pillar.
This endpoint can be queried on a daily basis to retrieve cloud usage stats. For assets and comments we take into considerations only those who belong to public projects.
