a9ad5cfcda
User's don't know what a plugin is. * Internally, os_auth_type and/or auth_type represents what the user supplied. * auth_plugin_name is the name of the selected plugin * auth_plugin is the actual plugin object Plugin selection process: * if --os-auth-type is supplied: * if it matches against an available plugin, done * (if it can map to an availble plugin type, done; TODO in a followup) * if --os-auth-type is not supplied: * if --os-url and --os-token are supplied, select 'token_endpoint' * if --os-username supplied, select identity_api_version + 'password' * if --os-token supplied, select identity_api_version + 'token' Change-Id: Ice4535214e311ebf924087cf77f6d84d76f5f3ee