19513: Note configurable permission on doc section about roles.

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@curii.com>

diff --git a/doc/api/permission-model.html.textile.liquid b/doc/api/permission-model.html.textile.liquid
index 1b3b6bb86984069bd684b4b72032d932c372abfd..d7d5eabd08fb02c8e24960052a80d58bdbe045fd 100644 (file)
--- a/doc/api/permission-model.html.textile.liquid
+++ b/doc/api/permission-model.html.textile.liquid
@@ -78,6 +78,7 @@ A "role" is a subtype of Group that is treated in Workbench as a group of users
 * The name of a role is unique across a single Arvados cluster.
 * Roles can be both targets (@head_uuid@) and origins (@tail_uuid@) of permission links.
 * By default, all roles are visible to all active users. However, if the configuration entry @Users.RoleGroupsVisibleToAll@ is @false@, visibility is determined by normal permission rules, _i.e._, a role is only visible to users who have that role, and to admins.
+* By default, any user can create a new role. However, if the configuration entry @Users.CreateRoleGroups@ is @false@, only admins can create roles.
 
 h3. Access through Roles