Connect from Appengine to a Kubernetes service from Google Containers

Question

I have a project with Appengine part and Google Containers cluster. Appengine app needs to make http calls to a Service deployed to Google Containers.

I know that I

Answer 1

There isn't currently a way to inject packets from an App Engine application into the private GCP network where your Kubernetes cluster is running (e.g. coming from a 10.0.0.0/8 address). So the only way to connect your application to your Container Engine service is to use the external IPs (as you are currently doing).