OauthScopes: The set of Google API scopes to be made available on all of the node VMs under the "default" service account. The following scopes are recommended, but not required, and by default are not included: * `` is required for mounting persistent storage on your nodes. * `` is required for communicating with **** (the [Google Container Registry](/container-registry/)). If unspecified, no scopes are added, unless Cloud Logging or Cloud Monitoring are enabled, in which case their required scopes will be added.