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glue: nats firewall on the wireguard interface moves out of the nats module

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The wg-hive allowedTCPPorts rule gated on deploy.wireguard.enable was a
cross-service toggle read in swarm-nats.nix; it now lives in
glue-nats-wireguard.nix under the same condition and value.
This commit is contained in:
atlas 2026-10-13 08:35:47 +02:00 • committed by mara
commit 4a36e53982
3 changed files with 22 additions and 8 deletions
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21
nix/host-modules/glue-nats-wireguard.nix Normal file
View file

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# Glue: where the queue and the wireguard mesh share a host, the queue's port
# is open on the mesh interface.
#
# Interface-scoped, never host-wide: the firewall is default-deny before a
# packet reaches the listener, so without this no other hive can reach the
# queue. Gated on BOTH being here — the queue's own module gate
# (`deploy.nats.enable`) is restated below; a change there must change here.
{
lib,
config,
...
}:
let
hyperhiveCfg = config.services.hyperhive;
deployCfg = hyperhiveCfg.deploy;
in
{
config = lib.mkIf (deployCfg.nats.enable && deployCfg.wireguard.enable) {
networking.firewall.interfaces.wg-hive.allowedTCPPorts = [ hyperhiveCfg.swarm.nats.port ];
};
}