What

The create application API has the ability to add application_key application _id

These fields would also support oauth client id and secret. Add this functionality to the
Application CRD

it would be worth adding user_key and redirect_url as well to cover all the auth options

NOTE: We generally try and match the UI with CRD functionality and this functionality resides in the product in the UI, Although it is related to Application creation

How

Add a field to accept a secret to the application spec, The secret will specify the values for application_key ,application_id & user_key, for oauth we will need redirect_url set also in the secret.

Discuss

As we also update some of these fields in application-auth think this would be a one off action on application CR create and not a constant sync on secret change.