gcloud-auth
Grant and revoke authorization to `gcloud` and manage credentials.
TLDR
Authorize Google Cloud access for the gcloud CLI with Google Cloud user credentials and set the current account as active
$ gcloud auth login
Authorize Google Cloud access similar to gcloud auth login but with service account credentials
$ gcloud auth activate-service-account
Manage Application Default Credentials (ADC) for Cloud Client Libraries
$ gcloud auth application-default
Display a list of Google Cloud accounts currently authenticated on your system
$ gcloud auth list
Display the current account's access token
$ gcloud auth print-access-token
Remove access credentials for an account
$ gcloud auth revoke