Can I internally route from AWS to GCP - Kubernetes

Question

Hey team, I'm just very curious, is it possible to internally route traffic between AWS and GCP?

Kubernetes cluster created on GCP and both my AWS and GCP are using the same VPN connection.

Answer 1

Obviously, that's possible. Both AWS and GCP provide internal loadbalancers and if they are connected to the same VPN, a mechanism called hybrid cloud comes into the picture.

Answer 2

I think @Barbara's answer is very incorrect. As far as I remember even though AWS and GCP provide internal load balancers, GCP does not allow route request to a GCP internal load balancer from outside the network even if they're connected over the same VPN. 

Comments

If its not possible using internal load balancers, then how do I achieve this?

Answer 3

Hey @Kali, you can use Ingress for this purpose. You can use Nginx ingress controller with your own nginx proxy over it(on top of it). Set the nginx ingress controller as a NodePort service on port A for HTTP and port B for https traffic. A NodePort service makes itself available on a specified port on every node in the cluster and hence can let us access it from our nginx proxy. 

Have a look at this blog for step by step implementation.

Hope this helps :)