jakman85andClaude Opus 4.8 2c109e2a31 feat(vpn): node-level split-tunnel egress gateway Ansible role (ADR-0015)
Author the vpn_egress_gateway role + playbook that stands up the NODE-level
PIA OpenVPN tunnel on egress-gateway node(s) — the host half of ADR-0015. The
CiliumEgressGatewayPolicy steering vpn-class pods is separate GitOps against the
same contract (group vpn_egress_gateway, node label
homelab.keithjackson.dev/egress-gateway=true, host iface tun0).

Honors all four ADR-0015 invariants:
- Split-tunnel (inv 1&2): OpenVPN route-noexec + pull-filter ignore
  redirect-gateway => installs no routes; policy routing in a dedicated table
  (51820) with `ip rule from <tun0-addr>` steers ONLY Cilium-SNAT'd vpn-class
  traffic. Node default route stays on the WAN, tunnel up or down.
- Scoped nftables kill-switch (inv 3&4): own inet table, policy accept, drops
  only tunnel-sourced (@vpn_egress_gateway_src set) packets not leaving tun0 =>
  vpn-class fails closed (blackhole), node/internet-class fail open (WAN),
  never matched.

PIA creds + the proven sweden-aes-128-cbc-udp-ip .ovpn come from Ansible vault
(host-side per ADR-0015/docs-07); vault keys documented, no secret values
committed. ansible-lint (production) + yamllint clean. Not deployed: green
conformance is gated on the live tunnel (operator host creds) — see role README.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
2026-08-24 01:09:19 -05:00

home-network-k3s-impl

Implementation of the home k3s + Longhorn platform. This repo holds the reconciled artifacts (Flux config, Kustomize overlays, KubeVirt/Helm manifests, ServiceDefinitions, Kyverno policies, Chainsaw conformance tests, CI). It is driven by — and subordinate to — the read-only specification at ../home-network-k3s.

Rules (from the spec — non-negotiable)

  • The spec is read-only. Never modify anything under ../home-network-k3s. Implement against it; escalate spec problems, don't edit them (spec AGENTS.md §11, R-TEST-06).
  • Done = a green, reproducible, requirement-tagged conformance test — never "merged," never a manual demo (spec docs/14, agents/definition-of-done.md).
  • No work on main. Every change is a feature branch merged into main (spec CONTRIBUTING.md).
  • No plaintext secrets — SOPS-encrypted only (spec docs/07).
  • Phase discipline — only build what the active roadmap phase authorizes (spec roadmap/phases.md).

Layout

platform/     platform services (Flux HelmReleases/Kustomizations): cilium, longhorn,
              cert-manager, externaldns, gateway, monitoring, velero, kubevirt,
              image-automation, keycloak, oauth2-proxy, kyverno/
apps/         application workloads, one dir per catalog service
catalog/      ServiceDefinition entries (the onboarding surface)
schemas/      ServiceDefinition JSON Schema + renderer contract
clusters/     Flux entrypoints + dev/ and prod/ overlays
conformance/  Chainsaw behavior/conformance suite + harness + coverage report
.gitea/       Gitea Actions CI (lint · schema · Kyverno L0 · Chainsaw trigger · merge gate)

Current phase: Phase 0 — Foundations (repo, CI, ServiceDefinition schema, conformance harness, Kyverno L0 gate). No cluster exists yet; Phase 1 (cluster bring-up) is not authorized.

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