puter/hosts/headless/vessel/backup.nix
2025-01-09 00:15:30 +01:00

62 lines
1.7 KiB
Nix

{
attrName,
config,
lib,
pkgs,
...
}: let
backups = {
music = "/srv/music";
safe = "/srv/safe";
storage = "/srv/storage";
sync = config.services.syncthing.dataDir;
};
in {
systemd = lib.mkMerge (map (
backupName: let
systemdName = "${backupName}-backup";
in {
timers.${systemdName} = {
description = "Local rsync Backup ${backupName}";
wantedBy = ["timers.target"];
timerConfig = {
OnCalendar = "*-*-* 03:00:00"; # TODO
Persistent = true;
Unit = "${systemdName}.service"; # TODO
};
};
services.${systemdName} = {
description = "Local rsync Backup ${backupName}";
serviceConfig = {
Type = "oneshot";
User = "root";
Group = "root";
};
# TODO
script = ''
${lib.getExe pkgs.rsync} --verbose --verbose --archive --update --delete --mkpath -- ${backups.${backupName}}/ /srv/backup/${backupName}/
'';
};
}
) (lib.attrNames backups));
age.secrets = lib.mkSecrets {"restic-${attrName}" = {};};
services.restic.backups.${attrName} = {
repository = "sftp:u385962@u385962.your-storagebox.de:/restic/${attrName}";
initialize = true;
paths = [
backups.safe
backups.sync
];
passwordFile = config.age.secrets."restic-${attrName}".path;
pruneOpts = ["--keep-daily 7" "--keep-weekly 5" "--keep-monthly 12"];
timerConfig = {
OnCalendar = "*-*-* 03:00:00"; # TODO
Persistent = true;
};
extraOptions = ["sftp.args='-i /etc/ssh/ssh_host_ed25519_key -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null'"];
};
}