feat: migrate externaldns from Terraform to ArgoCD

- Add externaldns base ArgoCD application with namespace and Vault integration
- Create externaldns overlay for au-syd1 with Helm chart configuration
- Update platform ApplicationSet to include externaldns deployment
- Configure external-dns v1.19.0 with RFC2136 provider for DNS updates
- Maintain one-to-one migration from Terraform configuration including TSIG secrets

This commit is contained in:

Ben Vincent

2026-03-18 21:43:16 +11:00

parent 3961fe4e68

commit 8e2643497f

7 changed files with 115 additions and 0 deletions

									
										apps/base/externaldns/namespace.yaml
									
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				---

				apiVersion: v1

				kind: Namespace

				metadata:

				  name: externaldns