nixos-config/machines/NixOS-VPS/services/backups.nix

{ config, inputs, ... }: {
  imports = [ inputs.ataraxiasjel-nur.nixosModules.rustic ];

  sops.secrets.rustic-vps-pass.sopsFile = inputs.self.secretsDir + /rustic.yaml;
  sops.secrets.rustic-backups-s3-env.sopsFile = inputs.self.secretsDir + /rustic.yaml;
  services.rustic.backups = rec {
    vps-backup = {
      backup = true;
      prune = false;
      initialize = false;
      pruneOpts = [ "--repack-cacheable-only=false" ];
      environmentFile = config.sops.secrets.rustic-backups-s3-env.path;
      timerConfig = {
        OnCalendar = "01:00";
        Persistent = true;
      };
      settings = let
        label = "vps-containers";
      in {
        repository = {
          repository = "opendal:s3";
          password-file = config.sops.secrets.rustic-vps-pass.path;
          options = {
            root = label;
            bucket = "rustic-backups";
            region = "de-fra";
            endpoint = "https://c5c0.fra2.idrivee2-53.com";
          };
        };
        repository.options = {
          timeout = "5min";
          retry = "10";
        };
        backup = {
          host = config.device;
          label = label;
          ignore-devid = true;
          group-by = "label";
          skip-identical-parent = true;
          sources = [{
            source = "/srv/marzban";
          }];
        };
        forget = {
          filter-label = [ label ];
          group-by = "label";
          prune = true;
          keep-daily = 4;
          keep-weekly = 2;
          keep-monthly = 1;
        };
      };
    };
    vps-prune = vps-backup // {
      backup = false;
      prune = true;
      createWrapper = false;
      timerConfig = {
        OnCalendar = "Mon, 02:00";
        Persistent = true;
      };
    };
  };
}