Http settings

Url

Specify a complete HTTP url (for example http://your_server:8080)

Your access method is Direct, this means the url needs to be accessable from the browser. Your access method is currently Proxy, this means the url needs to be accessable from the grafana backend.
Access
Direct = url is used directly from browser
Proxy = Grafana backend will proxy the request

Authentication

Token A token is required to autenticate if neither Keystone auth nor Horizon auth is set.
Auth
Keystone = Authenticate against Keystone (requires Keystone support in Grafana)
Horizon = Use Horizon session for authentication (requires direct access and monasca-ui Horizon plugin)
Token = Use static Keystone token for authentication