Changed
- gcloud: Authenticate with Google's
google-cloud-authcrate and Application
Default Credentials.GOOGLE_APPLICATION_CREDENTIALSnow accepts every ADC
credential type, includingimpersonated_service_accountand
external_account. A missing or unparseable credentials file is an error.
dbcrossbar no longer runs thegcloudCLI to obtain tokens. The
GCLOUD_SERVICE_ACCOUNT_KEY/gcloud_service_account_key.jsonoverride is
unchanged.