1. Proposed title of this feature request

Reencrypt Route Certificate expiration check

2. What is the nature and description of the request?
 
 The Openshift-ingress operator should check the expiration date of all certificates in a re-encrypt route and if the certificate expired should do the following depending if it's a new route or an existing one:
 
   a) New route:            The ingress operator should not accept the route and raise an error, stating that and which certificate inside the route is expired.
   
  b) Existing route:  The ingress operator should periodically check all routes in the cluster and raise an error when a certificate inside an accepted route expired.

The error messages should either be a new field inside the status part of the route object or should be displayed as an event attached to the route object.

3. Why does the customer need this? (List the business requirements here)

This feature would aid in debugging failing routes and thus save time for namespace and cluster admins.

4. List any affected packages or components.

Ingress, Network-edge