Files
mesh-lab/scenarios/a-public-name.yml
T
jschoubben 5c91c0ecd2 Scenarios: egress where images are needed, and images: cut to what is ours
Every scenario that places a container runtime gives each of its machines
`egress: true` — a node that runs modules pulls images from the internet, which is what
a node does. The underlay-only scenarios (bootstrap-single, behind-nat,
segmented-and-unforwardable, the-ordinary-shape, two-on-a-segment) stay sealed on
purpose: an extra NIC would change the very reachability they are asserting about.

`images:` keeps only the mesh's own — 55 third-party entries leave whole-mesh-full
alone, and the machine fetches them itself by the digest its module.json already pins.
The whole-mesh beds also say per machine which of ours they get: novox the substrate
control plane and its own fifteen runtimes, ace its twenty-four, the two workstations
one each. That is not a lab economy. An operator's workstation holds the images its own
modules need, and giving these two the union would put some thirty gigabytes onto a
thirty-gigabyte disk.

bootstrap-with-registry.yml is deleted. It existed only to demonstrate the lab's
registry, nothing referenced it, and there is nothing left for it to demonstrate.

Claude-Session: https://claude.ai/code/session_01LrgweAeERJYBg88c5cKDzF
2026-09-10 23:16:23 +02:00

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YAML

# One machine serving a public name with a certificate from an authority it did not run itself.
#
# The lab keeps production's two-authority split rather than collapsing it (01-RESEARCH/004): the
# mesh's own authority certifies `.internal` names, and a name reachable from outside is certified
# by ACME. A single-authority lab would hide any fault living in that split, so this raises a real
# ACME server and makes the proxy actually order from it.
#
# Pebble rather than a stub, for the reason the lab exists at all: what is under test is whether an
# HTTP-01 challenge is answered at the name being certified, and a fake would be told to agree.
scenario: a-public-name
segments:
hosting:
kind: public
cidr: [192.0.2.0/24]
machines:
anchor:
at: { segment: hosting, address: [192.0.2.10] }
egress: true
inbound: allow
place:
all: [runtime]