Description
I'm implementing a split-horizon DNS for my home Kubernetes cluster to be able to access my internal (and external) services over the local network through public domains. I managed to make a PoC with the k8s_gateway plugin for CoreDNS. However, I soon found out it responds with IPs for all Gateways assigned to HTTPRoutes, publishing public IPs as well as the internal Loadbalancer ones.
To remedy this issue, a simple filtering mechanism has to be implemented.
Goals
- Learn an acceptable amount of Golang
- Implement GatewayClass (and IngressClass) filtering for k8s_gateway
- Deploy on homelab cluster
- Profit?
Resources
- https://github.com/ori-edge/k8s_gateway/issues/36
- https://github.com/coredns/coredns/issues/2465#issuecomment-593910983
EDIT: Feature mostly complete. An unfinished PR lies here. Successfully tested working on homelab cluster.
Looking for hackers with the skills:
This project is part of:
Hack Week 24
Activity
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SUSE HC Tools Overview
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>> Product ID: 2795 (SUSE Linux Enterprise Server for SAP Applications 15 SP7 x86_64), RPM Name:
+--------------+----------------------------+--------+--------------+--------------------+
| Package Name | Version | Arch | Release | Repository |
+--------------+----------------------------+--------+--------------+--------------------+
| pacemaker | 2.1.10+20250718.fdf796ebc8 | x86_64 | 150700.3.3.1 | sle-ha/15.7/x86_64 |
| pacemaker | 2.1.9+20250410.471584e6a2 | x86_64 | 150700.1.9 | sle-ha/15.7/x86_64 |
+--------------+----------------------------+--------+--------------+--------------------+
Total packages found: 2
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