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control: add transport resolver and nix control announce wiring

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every.channel 2026-02-22 02:23:06 -08:00
parent f77fab378b
commit faec62f9ae
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4 changed files with 260 additions and 30 deletions
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48
nix/modules/ec-node.nix
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@ -107,6 +107,45 @@ in
};
};
control = {
enable = lib.mkOption {
type = lib.types.bool;
default = false;
description = "Enable iroh-gossip control announcements from each wt-publish service.";
};
ttlMs = lib.mkOption {
type = lib.types.ints.positive;
default = 15000;
description = "Control announcement TTL passed to `ec-node wt-publish --control-ttl-ms`.";
};
intervalMs = lib.mkOption {
type = lib.types.ints.positive;
default = 5000;
description = "Control announcement interval passed to `ec-node wt-publish --control-interval-ms`.";
};
discovery = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
example = "dht,mdns,dns";
description = "Optional iroh discovery mode list for control announcements.";
};
irohSecret = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
description = "Optional iroh secret key (hex) for control announcement identity.";
};
gossipPeers = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [ ];
description = "Optional iroh endpoint addresses to seed control gossip joins.";
};
};
broadcasts = lib.mkOption {
type = lib.types.listOf (lib.types.submodule {
options = {
@ -188,6 +227,7 @@ in
"cmd+=(${lib.concatStringsSep " " (map lib.escapeShellArg cfg.extraArgs)})";
explicitInputStr = if b.input == null then "" else b.input;
channelStr = if b.channel == null then "" else b.channel;
controlGossipPeerLines = lib.concatMapStrings (peer: "cmd+=(--gossip-peer ${lib.escapeShellArg peer})\n") cfg.control.gossipPeers;
in
''
set -euo pipefail
@ -302,6 +342,14 @@ in
${lib.optionalString (!cfg.transcode) "cmd+=(--transcode=false)"}
${lib.optionalString (!cfg.passthrough) "cmd+=(--passthrough=false)"}
${lib.optionalString cfg.tlsDisableVerify "cmd+=(--tls-disable-verify)"}
${lib.optionalString cfg.control.enable ''
cmd+=(--control-announce)
cmd+=(--control-ttl-ms ${toString cfg.control.ttlMs})
cmd+=(--control-interval-ms ${toString cfg.control.intervalMs})
${lib.optionalString (cfg.control.discovery != null) "cmd+=(--discovery ${lib.escapeShellArg cfg.control.discovery})"}
${lib.optionalString (cfg.control.irohSecret != null) "cmd+=(--iroh-secret ${lib.escapeShellArg cfg.control.irohSecret})"}
${controlGossipPeerLines}
''}
${extraArgsLine}
# Keep the unit alive even if the relay is temporarily unreachable.