OpenStack —— 虚拟机的启动过程简述(八)
DashboardorCLIgets the user credential and does the REST call toKeystonefor authentication. Keystoneauthenticate the credentials and generate & send back auth-token which will be used for sending request to other Components through REST-call. DashboardorCLIconvert the new instance request specified in ‘launch instance’ or ‘nova-boot’ form to REST API request and send it tonova-api. nova-apireceive the request and sends the request for validation auth-token and access permission tokeystone. K...