Issue 146: the foundation cannot be raised on the bus the mesh runs on
Found trying to run ADR 0147's bed. The older bundle raises the previous broker and a control plane that refuses to start without MESH_BUS_NATS; the newer one stops a step earlier, asking for a certificate from openssl in an image that has none. No bed can run while this holds, so 0147's check section now says what actually stands behind it — the rendering, not a machine.
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@@ -100,6 +100,19 @@ above has become right.
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the proxy serves. Those have their own beds, and this module's bed passing for those reasons is
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the failure mode this record is most exposed to — which is why the negative half is not optional.
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**What this bed is dialled at, and why it is the authority itself.** The authority serves its own
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API with a certificate it issued, so the handshake under test needs nothing else in the mesh to be
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right. A trust bed that reached for a routed name through the proxy would be passing or failing for
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the proxy's reasons and the resolver's.
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**Written, and not yet run** *(2026-09-29)*. The bed is `trust-anchor` in the lab, and it cannot
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execute: raising a foundation fails before any module is reached, in both bundles that exist
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([issue 146](../04-ISSUES/146-the-foundation-cannot-be-raised-on-the-bus-the-mesh-runs-on/00-report.md)).
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So what stands behind this record today is the rendering — the script the machine would run names
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the authority it was bound to, checked in the control plane's own test suite — and **not** a machine
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that verified anything. That is a weaker thing than the paragraph above describes, and it stays
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written this way until the bed runs.
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## Consequences
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The predecessor's authority can be retired from a machine once this module is assigned to it,
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+73
@@ -0,0 +1,73 @@
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---
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status: open
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opened: 2026-09-29
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located-in: []
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---
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# 146 — the foundation cannot be raised on the bus the mesh runs on
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## What was observed
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Raising a first node in the lab, to check a module against a real mesh, fails before any module is
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reached. Two separate faults, in the two bundles that exist:
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**The older bundle raises a control plane that cannot start.** It brings up the previous broker,
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and the control plane it then starts says, once every few seconds, for ever:
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```
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mesh-controller: this control plane has no MESH_BUS_NATS, so it cannot reach the mesh's bus
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```
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That is the control plane being right. The mesh moved to one bus
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([ADR 0131](../../02-DECISIONS/0131-everything-on-the-mesh-speaks-to-the-broker-seat.md)) and the
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bundle did not. Every bed that raises a foundation raises this one, so every bed is in this state.
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**The newer bundle, written for the new bus, stops one step earlier.** Its certificate step asks a
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container to make the broker's certificate:
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```
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docker run --rm --entrypoint sh -v <the broker's tls volume>:/tls <the bus image> \
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-c "test -f /tls/tls.crt || (openssl req -x509 ... )"
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...
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failed bus-certificate: running the action: docker exited 127
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```
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127 is *command not found*. The bus's image has a shell and no `openssl`; the previous broker's
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image had both, which is why the step worked when it was written against that one. Substituting the
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store's image — the only other image the bundle carries — does not help: it has no `openssl`
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either. So the step as written cannot succeed with anything the bundle names, and the fault is not
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one image's: **the bundle asks for a certificate to be made by a tool it never says must be there.**
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Measured 2026-09-29 on a fresh lab machine, both bundles, from bare.
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## Why this is here and not a note in the knowledge base
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The mesh's own foundation is the one thing it cannot raise. Nothing reports that: the bundles are
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files in a repository, nothing applies them but a person raising a node, and the last thing that
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did was the hand-driven cut-over
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([ADR 0131](../../02-DECISIONS/0131-everything-on-the-mesh-speaks-to-the-broker-seat.md), whose
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work was done on the machines rather than from a bundle). So the state where the mesh cannot make
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another one of itself is reachable, and was reached, without anything saying so.
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It is also load-bearing for everything else: a lab bed proves a claim by raising a mesh, so while
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this holds, **no bed can run**, and every "checked in the lab" written from now on is a promise
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against a suite nobody can execute.
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## What would have prevented it
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- **Something raising the foundation on a schedule, from the bundle, as it is written** — the
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bundle is the mesh's own installer and nothing installs from it. A bed that raises a first node
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is exactly that check, and it is the bed that cannot run.
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- **A step naming what it needs.** The certificate step names an image and assumes a program inside
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it. An action that said which tool it requires would have failed at the declaration rather than
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at 127 on a machine.
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## Evidence to carry into diagnosis
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- `mesh-host examples/foundation-first-node.lock` — the previous broker, no `MESH_BUS_NATS`.
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- `mesh-host examples/foundation-first-node-nats.lock` — the new bus; `bus-certificate` and its
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`verify` both run `openssl` in the bus's image.
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- The bus image the bundle pins has `sh` and no `openssl`; the store's image likewise.
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- The lab rewrites a bundle's registry-prefixed third-party references to upstream ones for a
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machine with an uplink (`test/integration/harness.ts`); the new bundle's bus reference needed
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that rule added, which is done and is not this issue.
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