The in-cluster Gluetun gateway is retired; VPN egress is now a node-level host
OpenVPN split-tunnel (Ansible role vpn_egress_gateway) steered by a Cilium
Egress Gateway policy with a host nftables kill-switch (ADR-0015). Credentials
moved host-side to the Ansible vault. Update docs/comments only:
- platform/vpn-egress/README.md: rewrite for ADR-0015 (live + conformance-green);
drop the resolved "option 1 not viable with Gluetun" finding to a brief history note.
- platform/kustomization.yaml: Phase 3 comment -> node tunnel + Cilium steering.
- platform/kyverno/.../require-egress-class-label.yaml: ADR-0013 -> ADR-0015 steering.
- schemas/servicedefinition.schema.json: egress=vpn description -> node tunnel + Cilium.
- clusters/base/cluster-vars.yaml: reframe PIA_REGION / CLUSTER_POD_CIDR WHY comments
to ADR-0015 (Cilium excludedCIDRs); both keys retained (still referenced/documented).
- platform/vpn-egress/namespace.yaml: no privileged gateway pod under ADR-0015.
- pia-credentials.sops.yaml / pia-custom-ovpn.sops.yaml: comment headers only note
they are now UNUSED (creds host-side), retained pending cleanup; payloads untouched.
No runtime manifest behavior, alert exprs, kustomization resources, or SOPS payloads
changed. No spec-repo edits.
Co-Authored-By: Claude Opus 4.8 <[email protected]>
Per ADR-0013: platform/vpn-egress/ = a single shared Gluetun gateway (PIA over WireGuard,
built-in kill-switch FIREWALL=on, native port forwarding), namespace (non-app, NET_ADMIN +
/dev/net/tun), control-API Service, and a pre-wired (commented) pia-credentials SOPS line.
Defined the PIA secret location (platform/vpn-egress, keys username/password → OPENVPN_USER/
OPENVPN_PASSWORD) and updated the SOPS template accordingly.
NOT wired into platform/kustomization.yaml (Phase 3, author-first) — deploy needs PIA creds +
validation of the egress-steering mechanism (Cilium Egress Gateway → the Gluetun node's wg0;
documented in README with options + a fail-closed rationale, deliberately NOT committed as an
untested CiliumEgressGatewayPolicy). WireGuard chosen (UDP, protocol != TCP); PIA supports it on
all regions and the secret stays username/password.
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
jakman85andClaude Opus 4.8