Files
rootnode-academy/infra/ansible/roles/platform/templates/gateway.env.j2
T
ced4568 eae8e48d43 feat(routing): Lab Host Router closes the Gateway-to-Lab cross-VM gap
Adds platform/lab-router/ — a narrow service that runs on the Lab Host,
authenticates the Gateway via mTLS, and resolves an opaque routing token to
a local container purely from Docker label state (no Postgres access, no
callback to the Provisioner). Replaces the Gateway's env.internal_ip
assumption (only valid when Gateway and Lab share a Docker daemon) with a
data-driven direct/router decision per lab_host
(lab_hosts.routing_mode/router_endpoint, migration 004), resolved in one
place (platform/gateway/src/lab-endpoint.js's labTarget()) that every
proxy/fetch call site in server.js now goes through.

Extends the existing Docker TLS CA (infra/scripts/docker-tls/generate-docker-tls.sh)
with a second mTLS leaf pair (router-server/gateway-client) for this new
data-plane connection, deployed by the docker-tls Ansible role into a
separate directory from the control-plane pair. Firewall
(rn-lab-host-01.rules) replaces the old speculative wide port-range
allowance with one narrow rule: platform_ip -> the Router's port only.

dev-local stays routing_mode: direct — zero behavior change for local dev,
confirmed by the full existing regression suite passing unmodified.
2026-08-24 20:14:39 -05:00

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# Rendered by Ansible — see platform.env.j2 for the pattern.
PLATFORM_API_URL=http://api:4300
PROVISIONER_URL=http://provisioner:4100
PROVISIONER_SHARED_SECRET={{ vault_provisioner_shared_secret }}
GATEWAY_PORT=4200
# Phase 4.1 — mTLS client identity for the Lab Host Router (data plane). Only used when a
# lab_host's routing_mode is 'router' (see platform/gateway/src/lab-endpoint.js); harmless if
# every configured lab_host is still 'direct'. Paths are inside the container — mounted from
# /etc/rootnode/lab-router-tls on the host by the `docker-tls` role, same pattern as the
# Provisioner's Docker TLS client cert.
LAB_ROUTER_TLS_CA=/tls/ca.pem
LAB_ROUTER_TLS_CERT=/tls/gateway-client-cert.pem
LAB_ROUTER_TLS_KEY=/tls/gateway-client-key.pem