When "direct" access is used, Gnocchi and Keystone MUST have CORS configured correctly on the server side.

Gnocchi Details

Auth Mode
noauth = we send domain/project/username in X--Id headers to Gnocchi
token = we send the X-Token-ID header to Gnocchi
keystone = we retreive the token on keystone with domain/project/username/password
The Keystone URL is expected in Http settings This configuration can't works, select another 'Access' or 'Auth Mode' The Gnocchi URL is expected in Http settings
Domain
Project
User
Password
Roles
Token