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|
{ config, lib, pkgs, options }:
with lib;
let
cfg = config.services.prometheus.exporters.unbound;
in
{
port = 9167;
extraOpts = {
fetchType = mkOption {
# TODO: add shm when upstream implemented it
type = types.enum [ "tcp" "uds" ];
default = "uds";
description = ''
Which methods the exporter uses to get the information from unbound.
'';
};
telemetryPath = mkOption {
type = types.str;
default = "/metrics";
description = ''
Path under which to expose metrics.
'';
};
controlInterface = mkOption {
type = types.nullOr types.str;
default = null;
example = "/run/unbound/unbound.socket";
description = ''
Path to the unbound socket for uds mode or the control interface port for tcp mode.
Example:
uds-mode: /run/unbound/unbound.socket
tcp-mode: 127.0.0.1:8953
'';
};
};
serviceOpts = mkMerge ([{
serviceConfig = {
ExecStart = ''
${pkgs.prometheus-unbound-exporter}/bin/unbound-telemetry \
${cfg.fetchType} \
--bind ${cfg.listenAddress}:${toString cfg.port} \
--path ${cfg.telemetryPath} \
${optionalString (cfg.controlInterface != null) "--control-interface ${cfg.controlInterface}"} \
${toString cfg.extraFlags}
'';
RestrictAddressFamilies = [
# Need AF_UNIX to collect data
"AF_UNIX"
];
};
}] ++ [
(mkIf config.services.unbound.enable {
after = [ "unbound.service" ];
requires = [ "unbound.service" ];
})
]);
}
|