K
Q

AWS EKS communication between clusters in different VPC

1/13/2022

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In AWS, for EKS Cluster 1 (VPC 1), I experienced public service 1 can call private service 1 by Kubernetes DNS, but I have no idea how it can be achieved when it is from EKS Cluster 2 (VPC 2) public service 4 or private service 4.

Actually, the calling of private service 2 should be private and not exposed to the public in all cases.

What AWS / k8s technology shall I use?

-- user3836484
amazon-eks
amazon-web-services
kubernetes
kubernetes-ingress

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1 Answer

1/13/2022

I have 2 solutions for you to choose: 1. Open the services outside by using Nodeport service type, connect those 2 VPCs by VPC Peering and call by private-IP:nodeport. 2. I guess there is an ALB in front of your ingress nginx so you can also open the services by using Ingress service type, and create a record mapped with the domain and point to that ALB.

-- Ash Blake
Source: StackOverflow