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mesh-lab/scenarios/an-object-store.yml
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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

27 lines
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YAML

# One machine running an object store that other machines use.
#
# The same shape as `a-provider`, against a different kind of provision, and that is the whole
# reason it exists: novox/hq 04-ISSUES and the work breakdown's Phase 1.1 ask whether a module can
# be given a bucket the way it is given a database. The provisioning model is name-agnostic — the
# control plane special-cases neither — so what is unproven is not the mesh's half but the last
# step, where something on the machine turns a delivered secret into a key that works.
#
# It also proves the half a database does not: **a consumer must not be able to reach another
# consumer's bucket.** One store holds everybody's, where one PostgreSQL server holds separate
# databases, so isolation here is a policy somebody wrote rather than a boundary the product has.
scenario: an-object-store
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]