doyha-backups.nix

{ config, lib, pkgs, ... }:

let two-days = 60 * 60 * 24 * 2 - 60;
    periodimail = import ./scripts/periodimail.nix { inherit pkgs; hostname = config.host.name; };
    utils = import ./utils.nix;
in
{
  config = lib.mkIf config.host.doyha-backups.enable {
    systemd.services.backup-deretheni = {
      description = "Backup deretheni";
      path = with pkgs; [ borgbackup bup rsync openssh exim parallel ];
      wants = [ "network-online.target" ];
      serviceConfig = {
        User = "edanaher";
        Group = "users";
        ExecStart = periodimail.wrap { interval = two-days; script = "/mnt/bak/deretheni/do.sh"; service = "backup-deretheni"; };
        Restart = "on-failure";
        RestartSec = "1h";
      };
    };

    systemd.timers.backup-deretheni = utils.simple-timer "daily" "Backup deretheni daily";

    services.zfs.autoSnapshot = {
      enable = true;
      flags = "-k -p --utc";
      frequent = 2*24*4;
      hourly = 14*24;
      daily = 90;
      weekly = 26;
      monthly = 1200;
    };

#    systemd.services.snapshot-doyha-edanaher = {
#      description = "Snapshot doyha homedir";
#      path = with pkgs; [ btrfs-progs ];
#      wants = [ "network-online.target" ];
#      serviceConfig = {
#        User = "root";
#        ExecStart = periodimail.wrap { interval = two-days; script = "/home/edanaher/bin/bin/do_snapshot_home"; service = "snapshot-doyha-edanaher"; };
#      };
#    };
#
#    systemd.timers.snapshot-doyha-edanaher = utils.simple-timer "hourly" "Snapshot doyha homedir hourly";

    systemd.services.snapshot-doyha-edanaher-to-borg = {
      description = "Copy doyha homedir snapshots to borg";
      path = with pkgs; [ bash borgbackup utillinux exim ];
      serviceConfig = {
        User = "root";
        ExecStart = periodimail.wrap { interval = two-days; script = "/mnt/snapshots-borg/borg/do.sh"; service = "snapshot-doyha-edanaher-to-borg"; };
      };
    };

    systemd.timers.snapshot-doyha-edanaher-to-borg = utils.simple-timer "daily" "Copy doyha homedir snapshots to borg daily";
  };

  options = {
    host.doyha-backups = {
      enable = lib.mkOption {
        type = lib.types.bool;
        default = false;
        description = "Run doyha backup scripts";
      };
    };
  };
}