58 lines
1.7 KiB
Nix
58 lines
1.7 KiB
Nix
{
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liminix
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, svc
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, hostapd
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, output-template
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, writeText
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, lib
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}:
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{ interface, params} :
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let
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inherit (liminix.services) longrun;
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inherit (lib) concatStringsSep mapAttrsToList unique ;
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inherit (builtins) map filter attrValues length head typeOf;
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# This is not a friendly interface to configuring a wireless AP: it
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# just passes everything straight through to the hostapd config.
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# When we've worked out what the sensible options are to expose,
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# we'll add them as top-level attributes and rename params to
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# extraParams
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name = "${interface.name}.hostapd";
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defaults = {
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driver = "nl80211";
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logger_syslog = "-1";
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logger_syslog_level = 1;
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ctrl_interface = "/run/${name}";
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ctrl_interface_group = 0;
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};
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attrs = defaults // params ;
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literal_or_output = o: ({
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string = builtins.toJSON;
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int = builtins.toJSON;
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lambda = (o: "output(${builtins.toJSON (o "service")}, ${builtins.toJSON (o "path")})");
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}.${builtins.typeOf o}) o;
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conf =
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(writeText "hostapd.conf.in"
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((concatStringsSep
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"\n"
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(mapAttrsToList
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(n : v : "${n}={{ ${literal_or_output v} }}")
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attrs)) + "\n"));
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service = longrun {
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inherit name;
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dependencies = [ interface ];
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run = ''
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mkdir -p /run/${name}
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chmod 0700 /run/${name}
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${output-template}/bin/output-template '{{' '}}' < ${conf} > /run/${name}/hostapd.conf
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exec ${hostapd}/bin/hostapd -i $(output ${interface} ifname) -P /run/${name}/hostapd.pid -S /run/${name}/hostapd.conf
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'';
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};
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watch = filter (f: typeOf f == "lambda") (attrValues attrs);
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in svc.secrets.subscriber.build {
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inherit service watch;
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action = "restart-all";
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}
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