Get a token for Google Compute EngineSource:
Uses the metadata service available on GCE VMs to fetch an access token.
credentials_gce( scopes = "https://www.googleapis.com/auth/cloud-platform", service_account = "default", ... )
A character vector of scopes to request. Pick from those listed at https://developers.google.com/identity/protocols/oauth2/scopes.
For certain token flows, the
"https://www.googleapis.com/auth/userinfo.email"scope is unconditionally included. This grants permission to retrieve the email address associated with a token; gargle uses this to index cached OAuth tokens. This grants no permission to view or send email and is generally considered a low-value scope.
Name of the GCE service account to use.
Additional arguments passed to all credential functions.