Earlier quoted context omitted.
The old App Engine / API / Admin console era is over. All tasks have been migrated to https://console.cloud.google.com/ including some of the last App Engine specific administration things.
Slightly off-topic, but not too off-topic question: Does GCE have a text format for its configuration? My pet peeve with cloud services and their web-based admin GUIs is that you have to use the GUI or the APIs to do anything. You can't capture the current configuration and then replay it if anything is misconfigured. You can't save or restore the config. You can't diff the config across versions. Most SaaSes don't e…
(I work at Google but not on Deployment Manager)