nixpkgs/nixos/modules/services/monitoring/prometheus/exporters/mikrotik.nix
2021-10-04 12:47:20 +02:00

66 lines
1.8 KiB
Nix

{ config, lib, pkgs, options }:
with lib;
let
cfg = config.services.prometheus.exporters.mikrotik;
in
{
port = 9436;
extraOpts = {
configFile = mkOption {
type = types.nullOr types.path;
default = null;
description = ''
Path to a mikrotik exporter configuration file. Mutually exclusive with
<option>configuration</option> option.
'';
example = literalExpression "./mikrotik.yml";
};
configuration = mkOption {
type = types.nullOr types.attrs;
default = null;
description = ''
Mikrotik exporter configuration as nix attribute set. Mutually exclusive with
<option>configFile</option> option.
See <link xlink:href="https://github.com/nshttpd/mikrotik-exporter/blob/master/README.md"/>
for the description of the configuration file format.
'';
example = literalExpression ''
{
devices = [
{
name = "my_router";
address = "10.10.0.1";
user = "prometheus";
password = "changeme";
}
];
features = {
bgp = true;
dhcp = true;
routes = true;
optics = true;
};
}
'';
};
};
serviceOpts = let
configFile = if cfg.configFile != null
then cfg.configFile
else "${pkgs.writeText "mikrotik-exporter.yml" (builtins.toJSON cfg.configuration)}";
in {
serviceConfig = {
# -port is misleading name, it actually accepts address too
ExecStart = ''
${pkgs.prometheus-mikrotik-exporter}/bin/mikrotik-exporter \
-config-file=${escapeShellArg configFile} \
-port=${cfg.listenAddress}:${toString cfg.port} \
${concatStringsSep " \\\n " cfg.extraFlags}
'';
};
};
}