The broker credential resolves the seat, not the hub (issue 059) #30

2026-09-17T23:12:45Z

jschoubben commented

2026-09-17 23:12:45 +00:00

The cross-node broker address is now computed from the right facts (hq issue 059): the credential names the overlay name of the machine holding the mesh-broker seat — wherever that module is assigned — instead of assuming the hub. "On the overlay" means resolved the networking module, not merely holding an address; a portless broker address defaults its port instead of silently disabling the overlay rewrite; and a second hub is refused (ErrNotOneHub is finally returned).

Validated: unit suite green; built-store-cross-node green fresh built from this commit (run 13: mesh-controller 79a9e17, everything else on main) — the joined node's consumers open the store and broker over the overlay.

The cross-node broker address is now computed from the right facts (hq issue 059): the credential names the overlay name of the machine holding the `mesh-broker` seat — wherever that module is assigned — instead of assuming the hub. "On the overlay" means resolved the networking module, not merely holding an address; a portless broker address defaults its port instead of silently disabling the overlay rewrite; and a second hub is refused (`ErrNotOneHub` is finally returned). Validated: unit suite green; built-store-cross-node green fresh built from this commit (run 13: mesh-controller 79a9e17, everything else on main) — the joined node's consumers open the store and broker over the overlay.

jschoubben added 1 commit 2026-09-17 23:12:45 +00:00

The broker credential resolves the mesh-broker seat, not the hub (issue 059) 79a9e17df0

An adversarial review of the 055 fix found it encoded the wrong invariants, latent while
every mesh keeps its broker on the hub. Now: the address is the overlay name of the node
ASSIGNED a module claiming the mesh-broker seat (the hub stands in only while nothing holds
the seat — genesis); "on the overlay" is what whereEveryoneIs answers (resolved the
networking module), not "has an address"; a portless genesis address defaults to 5671
instead of silently disabling the path; a second `overlay place --hub` is refused rather
than last-write-wins; and `overlay place` says that earlier credentials keep their old
address. A test now binds the controller's own module.json to its seat, so deleting the
claim fails the suite.

https://claude.ai/code/session_01D6qtiYU3P9jk3pnAXyAFyx

jschoubben merged commit 0b574f3972 into main

2026-09-17 23:12:50 +00:00

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Reference: novox/mesh-controller#30