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Support configuring node DNS resolver via NodeConfig #2438

@stevo-f3

Description

@stevo-f3

What would you like to be added: Make it possible to pass DNS server IPs via NodeConfig to be used by the EKS node / EC2 instance instead of VPC+2;

Ideally it would be possible also to limit interfaces node local resolver is listening on, so that k8s cluster's coredns can run on the host network, that coredns can forward queries to node local resolver and not clash with it.

Why is this needed: To be able to use custom DNS firewall at least temporarily (to support migration from AL2 -> AL2023 first, before migrating to Route 53 Resolver DNS Firewall)

Please correct me if wrong, but I don't see in the docs that this feature is currently supported.

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