nixos-config/machines/loki/barman.nix

{ pkgs, config, ... }:
{
  services.barman = {
    enable = true;
    package = (
      pkgs.barman.overrideAttrs (prevAttrs: {
        propagatedBuildInputs = prevAttrs.propagatedBuildInputs ++ [ pkgs.python3Packages.distutils ];
      })
    );

    settings = {
      barman = {
        # log_file = "/var/log/barman/barman.log";
        configuration_files_directory = "/etc/barman.d";
        create_slot = "auto";
      };
    };
    servers = {
      ha = {
        description = "Home Assistant database";
        conninfo = "host=10.0.0.254 user=postgres dbname=homeassistant passfile=${config.sops.secrets.barman-passwords.path}";
        wal_streaming_conninfo = "host=10.0.0.254 user=postgres dbname=homeassistant passfile=${config.sops.secrets.barman-passwords.path}";
        streaming_archiver = true;
        backup_method = "postgres";
        slot_name = "barman";
        bandwidth_limit = 0;
        last_backup_maximum_age = "3 DAYS";
        minimum_redundancy = 3;
        retention_policy = "RECOVERY WINDOW OF 4 WEEKS";
      };
    };

    # passwordsFile = config.sops.secrets.barman-passwords.path;
  };
}