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|
{ config, pkgs, lib, ... }:
let
cfg = config.my.services.backup.rsync;
secrets = config.age.secrets;
ssh-key-path = secrets."rsync.net/ssh-key".path;
in
{
options.my.services.backup.rsync = with lib; {
enable = mkEnableOption "rsync backup service";
sourceDir = mkOption {
type = types.path;
example = "/data/slow/backups";
description = "The directory to synchronize";
};
destination = mkOption {
type = types.str;
example = "de2664@de2664.rsync.net:backups/";
description = "The destination";
};
timerConfig = mkOption {
default = { OnCalendar = "daily"; };
example = {
OnCalendar = "00:05";
RandomizedDelaySec = "5h";
};
description = ''
When to run rsync. See man systemd.timer for details.
'';
};
};
config = lib.mkIf cfg.enable {
systemd = {
timers.rsync-backups = {
description = "synchronize restic repository to rsync.net";
wantedBy = [ "timers.target" ];
partOf = [ "rsync-backups.service" ];
timerConfig = cfg.timerConfig;
};
services.rsync-backups = {
description = "synchronize restic repository to rsync.net";
serviceConfig = {
Type = "oneshot";
};
script = ''
exec ${pkgs.rsync}/bin/rsync \
-azq --delete \
-e '${pkgs.openssh}/bin/ssh -i ${ssh-key-path}' \
${cfg.sourceDir} ${cfg.destination}
'';
};
};
};
}
|
