nixos-config/hosts/x86_64-linux/beleth/monitoring.nix

{
  config,
  pkgs,
  ...
}: {
  networking.firewall.allowedTCPPorts = [80 443 9001];
  services.grafana = {
    enable = true;
    port = 2342;
    addr = "127.0.0.1";
    domain = "grafana.heroin.trade";
  };

  systemd.services.promtail = {
    description = "Promtail service for Loki";
    wantedBy = ["multi-user.target"];

    serviceConfig = {
      ExecStart = ''
        ${pkgs.grafana-loki}/bin/promtail --config.file ${./config-files/promtail.yaml}
      '';
    };
  };

  services.loki = {
    enable = true;
    configFile = ./config-files/loki-config.yaml;
  };

  services.prometheus = {
    enable = true;
    port = 9001;
    exporters = {
      node = {
        enable = true;
        enabledCollectors = ["systemd" "sysctl" "powersupplyclass"];
        port = 9002;
      };
      wireguard = {
        enable = true;
      };
    };
    scrapeConfigs = [
      {
        job_name = "beleth";
        static_configs = [
          {
            targets = [
              "127.0.0.1:${toString config.services.prometheus.exporters.node.port}"
              # "127.0.0.1:${toString config.services.prometheus.exporters.wireguard.port}"
            ];
          }
        ];
      }
    ];
  };
}