+ end
+
+ # delete user signatures, login, repo, and vm perms, and mark as inactive
+ def unsetup
+ # delete oid_login_perms for this user
+ oid_login_perms = Link.where(tail_uuid: self.email,
+ head_kind: 'arvados#user',
+ link_class: 'permission',
+ name: 'can_login')
+ oid_login_perms.each do |perm|
+ Link.delete perm
+ end
+
+ # delete repo_perms for this user
+ repo_perms = Link.where(tail_uuid: self.uuid,
+ head_kind: 'arvados#repository',
+ link_class: 'permission',
+ name: 'can_write')
+ repo_perms.each do |perm|
+ Link.delete perm
+ end
+
+ # delete vm_login_perms for this user
+ vm_login_perms = Link.where(tail_uuid: self.uuid,
+ head_kind: 'arvados#virtualMachine',
+ link_class: 'permission',
+ name: 'can_login')
+ vm_login_perms.each do |perm|
+ Link.delete perm
+ end
+
+ # delete any signatures by this user
+ signed_uuids = Link.where(link_class: 'signature',
+ tail_kind: 'arvados#user',
+ tail_uuid: self.uuid)
+ signed_uuids.each do |sign|
+ Link.delete sign
+ end
+
+ # mark the user as inactive
+ self.is_active = false
+ self.save!
+ end