Commit graph hyperhive/nix/host-modules/glue-matrix-bao-token.nix
Author SHA1 Message Date
atlas
8371e1ca62 glue-matrix-bao-token: state the bound the comment claims
The comment said it bounds the wait rather than hanging the boot, and
nothing in the unit bounded anything. What actually held was systemd's
default start timeout plus the homeserver only Wants= this unit — both
true, neither stated here, so a reader had to already know them.

TimeoutStartSec puts the number a boot waits on in the file that waits,
and the comment now names the degradation: hitting it keeps the locally
minted token, same as every other failure path in this unit.

Caught by argus reviewing the slice it shipped in.
2026-08-30 19:10:48 +02:00
atlas
0e5eb1e8d6 glue-matrix-bao-token: the store's first reader
Fetches an opaque 32-byte value and writes it where hive-matrix.nix
already looks, so the homeserver never learns the store exists.

Chosen over authelia's OIDC secret deliberately: that one needs a
.secret AND a matching .digest, so shipping it first would debug 'can a
reader authenticate and get bytes back' and 'did we write authelia's
file format right' at once, with an SSO outage as the failure mode. Here
the failure is narrow -- new agent accounts cannot be provisioned,
existing ones untouched.

Every failure path keeps the local token: no such key, sealed store,
unreachable store, empty value. The activation script's mint-if-absent
is untouched, so a hive with no store behaves exactly as it does today.

matrixMachine is a literal because hive-matrix.nix declares no `machine`
option -- `matrixCfg.machine` parses cleanly and fails at module-system
resolution, which is the kind of error only reading the target module
catches.
2026-08-30 19:01:10 +02:00