Google App Engine: who is an admin?

In your app.yaml configuration file you can required login: admin. My question is now "what" or "who" is an admin?

In the App Engine console in the Administration -> Permissions section they're also talking about an admin. However, if you add a new user you can only choose between owner, developer and viewer.

Which of those is an admin? On开发者_StackOverflowly the owner or owner+developer or all three?

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When working with users either on your own apps domain or normal Google users:

• Owners can do anything supported by the UI.
• Only Owners can make changes on the Permissions tab (invite, change role, remove).
• Developers can do anything except changes on the Permissions tab.
• Viewers cannot change anything.
• Everyone who was an admin before feature went live is initially an Owner. (This is available since version 1.4.2)

All three roles are given admin status when the application runs (i.e., users.is_current_user_admin() returns True).