Use this to obtain the Application Default Credentials for accessingGoogle APIs. Application Default Credentials are described in detailathttps://cloud.google.com/docs/authentication/production.

If supplied, scope is used to create the credentials instance, when it canbe applied. E.g, on google compute engine and for user credentials thescope is ignored.

• scope (string|array|nil) — the scope(s) to access
• options (Hash) —

  Connection options. These may be used to configuretheFaraday::Connection used for outgoing HTTP requests. Forexample, if a connection proxy must be used in the current network,you may provide a connection with with the needed proxy options.The following keys are recognized:

  • :default_connection The connection object to use for tokenrefresh requests.
  • :connection_builder AProc that creates and returns aconnection to use for token refresh requests.
  • :connection The connection to use to determine whether GCEmetadata credentials are available.

• (Google::Auth::InitializationError) — If the credentials cannot be found

value:"1.15.1".freeze

value:<<~ERROR.freeze Error code 404 trying to get security access token from Compute Engine metadata for the default service account. This may be because the virtual machine instance does not have permission scopes specified.ERROR

value:<<~ERROR.freeze trying to get security access token from Compute Engine metadata for the default service accountERROR

value:<<~ERROR_MESSAGE.freeze Your credentials were not found. To set up Application Default Credentials for your environment, seehttps://cloud.google.com/docs/authentication/external/set-up-adcERROR_MESSAGE