nixos-config/configs/workhorse/prometheus.nix

{ config, pkgs, lib, ... }:
{

  services.nginx = {
    enable = true;
    statusPage = true;
    virtualHosts = {
      "prometheus.workhorse.private" = {
        locations."/" = {
          proxyPass = "http://workhorse.private:9090";
        };
      };
    };
  };

  services.prometheus = {
    enable = true;
    scrapeConfigs = [
      {
        job_name = "nginx";
        scrape_interval = "8s";
        static_configs = [
          {
            targets = ["sputnik.private:9113"];
            labels = {
              service = "nginx";
              server = "sputnik";
            };
          }
          {
            targets = ["sputnik.private:9113"];
            labels = {
              service = "nginx";
              server = "sputnik";
            };
          }
          {
            targets = ["workhorse.private:9113"];
            labels = {
              service = "nginx";
              server = "sputnik";
            };
          }
        ];
      }
      {
        job_name = "netdata";
        metrics_path = "/api/v1/allmetrics";
        params.format = [ "prometheus" ];
        scrape_interval = "5s";
        static_configs = [
          {
            targets = ["porani.private:19999"];
            labels = {
              service = "netdata";
              server = "porani";
            };
          }
          {
            targets = ["sputnik.private:19999"];
            labels = {
              service = "netdata";
              server = "sputnik";
            };
          }
          {
            targets = ["workhorse.private:19999"];
            labels = {
              service = "netdata";
              server = "workhorse";
            };
          }
        ];
      }
      {
        job_name = "gogs";
        metrics_path = "/-/metrics";
        params.format = [ "prometheus" ];
        scrape_interval = "10s";
        static_configs = [
          {
            targets = ["workhorse.private:3000"];
            labels = {
              service = "gogs";
              server = "kruck";
            };
          }
        ];
      }
      {
        job_name = "home-assistant";
        scrape_interval = "60s";
        metrics_path = "/api/prometheus";
        static_configs = [
          {
            targets = ["porani.private:8123"];
            labels = {
              service = "hass";
              server = "porani";
              city = "essen";
            };
          }
        ];
      }
    ];
  };
}