modules/services/grafana/default.nix


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{ config, lib, pkgs, ... }:
let cfg = config.my.services.grafana;
in {
  options.my.services.grafana = with lib; {
    enable = mkEnableOption "grafana observability stack";
  };

  config = lib.mkIf cfg.enable {
    services.grafana = {
      enable = true;
      # Bind to all interfaces.
      addr = "";
      security.adminUser = "fcuny";

      analytics.reporting.enable = false;

      provision = {
        enable = true;
        datasources = [{
          name = "prometheus";
          type = "prometheus";
          isDefault = true;
          url = "http://localhost:9090";
        }];
        dashboards = [{
          disableDeletion = true;
          options.path = ./dashboards;
        }];
      };
    };

    age.secrets.restic-repo-systems.file =
      ../../../secrets/restic/repo-systems.age;

    services.restic.backups = {
      grafana = {
        paths = [ "/var/lib/grafana/data" ];
        repository = "/data/slow/backups/systems";
        passwordFile = config.age.secrets.restic-repo-systems.path;
        timerConfig = { OnCalendar = "00:05"; };
        initialize = true;
        extraBackupArgs = [ "--tag grafana" ];
        pruneOpts = [ "--keep-daily 7" "--keep-weekly 4" ];
      };
    };
  };
}