nixpkgs/nixos/modules/services/monitoring/prometheus/exporters/fastly.nix
2021-09-21 04:05:18 -04:00

41 lines
1.2 KiB
Nix

{ config, lib, pkgs, options }:
with lib;
let cfg = config.services.prometheus.exporters.fastly;
in
{
port = 9118;
extraOpts = {
debug = mkEnableOption "Debug logging mode for fastly-exporter";
configFile = mkOption {
type = types.nullOr types.path;
default = null;
description = ''
Path to a fastly-exporter configuration file.
Example one can be generated with <literal>fastly-exporter --config-file-example</literal>.
'';
example = "./fastly-exporter-config.txt";
};
tokenPath = mkOption {
type = types.nullOr types.path;
apply = final: if final == null then null else toString final;
description = ''
A run-time path to the token file, which is supposed to be provisioned
outside of Nix store.
'';
};
};
serviceOpts = {
script = ''
${optionalString (cfg.tokenPath != null)
"export FASTLY_API_TOKEN=$(cat ${toString cfg.tokenPath})"}
${pkgs.fastly-exporter}/bin/fastly-exporter \
-endpoint http://${cfg.listenAddress}:${cfg.port}/metrics
${optionalString cfg.debug "-debug true"} \
${optionalString cfg.configFile "-config-file ${cfg.configFile}"}
'';
};
}