78 lines
2.1 KiB
Nix
78 lines
2.1 KiB
Nix
{ config, pkgs, lib, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
cfg = config.services.prometheus.nginxExporter;
|
|
in {
|
|
options = {
|
|
services.prometheus.nginxExporter = {
|
|
enable = mkEnableOption "prometheus nginx exporter";
|
|
|
|
port = mkOption {
|
|
type = types.int;
|
|
default = 9113;
|
|
description = ''
|
|
Port to listen on.
|
|
'';
|
|
};
|
|
|
|
listenAddress = mkOption {
|
|
type = types.string;
|
|
default = "0.0.0.0";
|
|
description = ''
|
|
Address to listen on.
|
|
'';
|
|
};
|
|
|
|
scrapeUri = mkOption {
|
|
type = types.string;
|
|
default = "http://localhost/nginx_status";
|
|
description = ''
|
|
Address to access the nginx status page.
|
|
Can be enabled with services.nginx.statusPage = true.
|
|
'';
|
|
};
|
|
|
|
extraFlags = mkOption {
|
|
type = types.listOf types.str;
|
|
default = [];
|
|
description = ''
|
|
Extra commandline options when launching the nginx exporter.
|
|
'';
|
|
};
|
|
|
|
openFirewall = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = ''
|
|
Open port in firewall for incoming connections.
|
|
'';
|
|
};
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
networking.firewall.allowedTCPPorts = optional cfg.openFirewall cfg.port;
|
|
|
|
systemd.services.prometheus-nginx-exporter = {
|
|
after = [ "network.target" "nginx.service" ];
|
|
description = "Prometheus exporter for nginx metrics";
|
|
unitConfig.Documentation = "https://github.com/discordianfish/nginx_exporter";
|
|
wantedBy = [ "multi-user.target" ];
|
|
serviceConfig = {
|
|
User = "nobody";
|
|
Restart = "always";
|
|
PrivateTmp = true;
|
|
WorkingDirectory = /tmp;
|
|
ExecStart = ''
|
|
${pkgs.prometheus-nginx-exporter}/bin/nginx_exporter \
|
|
-nginx.scrape_uri '${cfg.scrapeUri}' \
|
|
-telemetry.address ${cfg.listenAddress}:${toString cfg.port} \
|
|
${concatStringsSep " \\\n " cfg.extraFlags}
|
|
'';
|
|
ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
|
|
};
|
|
};
|
|
};
|
|
}
|