stockholm/krebs/2configs/syncthing.nix

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{ options, config, pkgs, ... }: with import <stockholm/lib>; let
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mk_peers = mapAttrs (n: v: { id = v.syncthing.id; });
all_peers = filterAttrs (n: v: v.syncthing.id != null) config.krebs.hosts;
used_peer_names = unique (filter isString (flatten (mapAttrsToList (n: v: v.devices) config.services.syncthing.folders)));
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used_peers = filterAttrs (n: v: elem n used_peer_names) all_peers;
in {
services.syncthing = {
enable = true;
configDir = "/var/lib/syncthing";
key = toString <secrets/syncthing.key>;
cert = toString <secrets/syncthing.cert>;
# workaround for infinite recursion on unstable, remove in 23.11
} // (if builtins.hasAttr "settings" options.services.syncthing then
{ settings.devices = mk_peers used_peers; }
else
{ devices = mk_peers used_peers; }
);
boot.kernel.sysctl."fs.inotify.max_user_watches" = 524288;
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}