make-monitoring.nix

{ publicIPv4
, hardware
, publicStoragePort
, ristrettoSigningKeyPath
, monitoringvpnSecretKeyPath
, monitoringvpnPresharedKeyPath
, passValue
, sshUsers
, stateVersion
, monitoringvpnIPv4
, vpnClientIPs
, nodeExporterTargets
, nginxExporterTargets
, ... }:

# This doesn't work yet:
# let
#       pkgs = import (builtins.fetchTarball {
#                   url = "https://github.com/nixos/nixpkgs/archive/76ed24ceab9ec8b520f977a2803181f0c1d86b4d.tar.gz";
#                   sha256 = "0dnpkkkv1cly8vywsfizfk3iwl8dnffqh0k6vkq616iw6biha725";
#                 }) {};
#
# in

rec {

  deployment = {
    targetHost = publicIPv4;

    secrets = {
      "monitoringvpn-private-key" = {
        source = monitoringvpnSecretKeyPath;
        destination = "/run/keys/monitoringvpn/server.key";
        owner.user = "root";
        owner.group = "root";
        permissions = "0400";
        action = ["sudo" "systemctl" "restart" "wireguard-monitoringvpn.service"];
      };
      "monitoringvpn-preshared-key" = {
        source = monitoringvpnPresharedKeyPath;
        destination = "/run/keys/monitoringvpn/preshared.key";
        owner.user = "root";
        owner.group = "root";
        permissions = "0400";
        action = ["sudo" "systemctl" "restart" "wireguard-monitoringvpn.service"];
      };
    };
  };

  imports = [
    hardware
    ../../nixos/modules/monitoring/vpn/server.nix
    ../../nixos/modules/monitoring/server/grafana.nix
    ../../nixos/modules/monitoring/server/prometheus.nix
    ../../nixos/modules/monitoring/exporters/node.nix
    # Loki 0.3.0 from Nixpkgs 19.09 is too old and does not work:
    # ../../nixos/modules/monitoring/server/loki.nix
  ];

  services.private-storage.monitoring.vpn.server = {
    enable = true;
    ip = monitoringvpnIPv4;
    inherit vpnClientIPs;
  };

  services.private-storage.monitoring.grafana = {
    domain = "grafana.grid.private.storage";
    prometheusUrl = "http://localhost:9090/";
    lokiUrl = "http://localhost:3100/";
  };

  services.private-storage.monitoring.prometheus = {
    inherit nodeExporterTargets;
    inherit nginxExporterTargets;
  };

  system.stateVersion = stateVersion;
}