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{ config, lib, pkgs, options, ... }:
let
cfg = config.services.prometheus.exporters.modemmanager;
inherit (lib) mkOption types concatStringsSep;
in
{
port = 9539;
extraOpts = {
refreshRate = mkOption {
type = types.str;
default = "5s";
description = ''
How frequently ModemManager will refresh the extended signal quality
information for each modem. The duration should be specified in seconds
("5s"), minutes ("1m"), or hours ("1h").
'';
};
};
serviceOpts = {
serviceConfig = {
# Required in order to authenticate with ModemManager via D-Bus.
SupplementaryGroups = "networkmanager";
ExecStart = ''
${pkgs.prometheus-modemmanager-exporter}/bin/modemmanager_exporter \
-addr ${cfg.listenAddress}:${toString cfg.port} \
-rate ${cfg.refreshRate} \
${concatStringsSep " \\\n " cfg.extraFlags}
'';
RestrictAddressFamilies = [
# Need AF_UNIX to collect data
"AF_UNIX"
];
};
};
}
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