kubernetes/minikube

Add addon for external DNS

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#8,980 opened on Aug 12, 2020

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area/addonshelp wantedkind/featurekind/supportlifecycle/frozenlong-term-support

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Description

Add an addon for installing external DNS. See https://github.com/kubernetes-sigs/external-dns/blob/master/docs/tutorials/coredns.md which uses CoreDNS as the DNS server.

Unlike ingress-dns, which is minikube specific:

  1. This is sometimes used in production, so will give similar behavior in development to production.
  2. Will support LoadBalancer services.

Some notes about configuring the host that also apply for ingress-dns:

  1. For Linux distros using systemd-resolved, you can use systemd.network units for configuring DNS domain specific DNS servers. Using the Domains & DNS keys in a new network unit matching the required interface. I used it before, but don't remember the details.
  2. For Windows, there is NRPT which should allow setting this.

Contributor guide

Research direction
Study the existing addon structure in minikube, particularly the ingress dns addon, and adapt the external dns setup from the referenced CoreDNS tutorial. Focus on integrating external dns with minikube's addon system and ensuring compatibility with systemd resolved and Windows NRPT.
Tech stack
go
Domain
backendinfrastructuredevops
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
GoKubernetesDNS
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55