Per review: docs represent current state. Every "used to" / "no longer"
clause this branch introduced is gone — including the History section in
network.md, which was a whole subsection about a sync mechanism that
doesn't exist.
Where the removed clause was carrying a real constraint, the constraint
stays and is stated in the present tense instead of as a delta: nothing
narrows what the gateway's nginx can reach except the directory
permissions in front of a socket, and nothing bounds `ReloadGatewayNginx`
except the hard-coded unit name. Those read as rules now rather than as
the story of how they came to be rules.
The gateway's nginx + dnsmasq no longer run in their own nspawn container.
`nix/host-modules/hive-gateway/default.nix` loses the
`containers.hive-gateway` wrapper and everything that existed only to punch
holes in it: `privateNetwork = false`, `CAP_NET_ADMIN`, five bind mounts,
its own `stateVersion`, `networking.firewall.enable = false`,
`networking.resolvconf.enable = false`, and the `hive-gateway-resolv`
path+service pair. 465 -> 303 lines.
The container never bought isolation here. It shared the host netns by
necessity — nginx binds the host's :80/:443, dnsmasq answers on the bridge —
so each of those settings was undoing a boundary the gateway could not
afford in the first place.
Four things made it more than a deletion, none of them visible in the nix
diff:
- The self-signed cert service also imports the hive CA leaf, so removing it
with the container would have left nginx naming a missing cert file, which
it refuses to load at all.
- The nginx reload is a hive-priv verb. It still needs root, but no longer
for the reason its doc gave, and `--machine=` was both transport and
scope — so the unit name is now hard-coded in the helper as the
containment.
- The lifecycle verb named a container that stops existing.
- `journalctl -M hive-gateway` had no machine to enter.
Per the operator's ruling, the operator verb keeps working and agents lose
it. `InfraContainer` answered three questions that used to share an answer;
it now splits into `name()` (identity), `target()` (Container vs HostUnit),
`service_unit()` (the systemd unit), and `agent_restartable()`, which the
MCP restart path checks before the capability so the refusal cannot read as
"ask for infra_admin". `SIBLING_CONTAINERS` drops the gateway — it gates the
requests that name a container as a string — while `FromStr` still accepts
it, because that answers what a name is, not who may act on it. The
dashboard's gateway journal reads host journald filtered to `nginx.service`.
Prose was corrected where it only named a location, and re-argued where the
container was doing security work: a `0666` per-agent socket was safe
because only the gateway container had the directory bind-mounted. There is
no mount now, so the directory permissions are the whole of the access
control — the constraint holds, its mechanism doesn't.
Gate: nix fmt / clippy --all-targets -D warnings / cargo test all clean (710
tests); hivectl-cli.md regenerated from the clap tree. The nix eval was run
in both TLS shapes at this commit: every delta in the rendered
virtualHosts is one of the three intended path moves, dnsmasq settings are
byte-identical, and the absence probe flips true -> false with bindMounts
emptied.
Per review: daemonBins is the core stack, and it drives the bundle that
services.hyperhive.c0re.package points at -- so listing a swarm-scoped
service there would put it in every hive's closure when one hive in a
swarm runs it. It gets the same per-bin extractor, bound on its own, the
way hivectl already is.
The crate also had no README while every other one does. Both misses are
the same shape: adding a thing without updating what describes the set of
things.
services.hyperhive.swarm.controller.{enable,package,socketPath} plus the
unprivileged swarm-controller user, its runtime and state directories,
and the unit itself.
enable is deliberately not derived from services.hyperhive.enable, unlike
c0re: a swarm has one controller, so turning it on is a statement about
swarm topology rather than about whether hyperhive is installed.
The socket gets its own RuntimeDirectory. nginx reaches a unix upstream
by having the socket's directory bind-mounted into the gateway
container, and the socket is 0666 because connect needs write -- so the
directory is the only access control there is. Sharing one with the host
admin socket would hand that socket to the gateway too. The constraint
is stated at both ends, in the option description and beside the bind,
because it is invisible from either site alone; a test pins the path so
a tidying edit fails rather than reviews cleanly.
RuntimeDirectoryPreserve and the daemon's stale-socket unlink are a
pair: preserving the directory without the unlink means bind fails with
EADDRINUSE after a restart.
bind leaves a unix socket 0755 and connecting needs write, so the
gateway's nginx -- a different user -- would be locked out.
0666 is what hive-c0re already does for the per-agent sockets, and it
rests on the same argument: the containing directory is the access
control, not the socket mode. This directory holds one socket and is
bind-mounted into exactly one container.
That is also the sharper reason the socket does not live beside the host
admin socket. With a 0666 socket, a directory that carries more than it
should is not untidiness, it is the vulnerability.
First half of the swarm-controller slice: the crate, its workspace entry
and its daemonBins entry, so the systemd unit that follows has a binary
to point at.
It serves one health endpoint and owns no state. That is the whole
intent -- this makes the unit real (service user, runtime and state
directories, socket, nginx reachability) so the swarm-level surfaces
that follow have somewhere to land. Inventing those surfaces now would
bake in a shape nobody has agreed to.
The socket gets its own runtime directory rather than sharing
hive-c0re's. nginx reaches a unix upstream by having the socket's
directory bind-mounted into the gateway container, so co-locating this
socket with the host admin socket would hand the gateway that socket
too.
