75 lines
2.2 KiB
Nix
75 lines
2.2 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.rsnapshot;
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cfgfile = pkgs.writeText "rsnapshot.conf" ''
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config_version 1.2
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cmd_cp ${pkgs.coreutils}/bin/cp
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cmd_rm ${pkgs.coreutils}/bin/rm
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cmd_rsync ${pkgs.rsync}/bin/rsync
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cmd_ssh ${pkgs.openssh}/bin/ssh
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cmd_logger ${pkgs.inetutils}/bin/logger
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cmd_du ${pkgs.coreutils}/bin/du
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cmd_rsnapshot_diff ${pkgs.rsnapshot}/bin/rsnapshot-diff
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lockfile /run/rsnapshot.pid
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link_dest 1
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${cfg.extraConfig}
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'';
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in
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{
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options = {
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services.rsnapshot = {
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enable = mkEnableOption (lib.mdDoc "rsnapshot backups");
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enableManualRsnapshot = mkOption {
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description = lib.mdDoc "Whether to enable manual usage of the rsnapshot command with this module.";
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default = true;
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type = types.bool;
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};
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extraConfig = mkOption {
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default = "";
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example = ''
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retains hourly 24
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retain daily 365
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backup /home/ localhost/
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'';
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type = types.lines;
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description = lib.mdDoc ''
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rsnapshot configuration option in addition to the defaults from
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rsnapshot and this module.
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Note that tabs are required to separate option arguments, and
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directory names require trailing slashes.
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The "extra" in the option name might be a little misleading right
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now, as it is required to get a functional configuration.
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'';
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};
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cronIntervals = mkOption {
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default = {};
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example = { hourly = "0 * * * *"; daily = "50 21 * * *"; };
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type = types.attrsOf types.str;
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description = lib.mdDoc ''
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Periodicity at which intervals should be run by cron.
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Note that the intervals also have to exist in configuration
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as retain options.
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'';
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};
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};
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};
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config = mkIf cfg.enable (mkMerge [
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{
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services.cron.systemCronJobs =
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mapAttrsToList (interval: time: "${time} root ${pkgs.rsnapshot}/bin/rsnapshot -c ${cfgfile} ${interval}") cfg.cronIntervals;
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}
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(mkIf cfg.enableManualRsnapshot {
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environment.systemPackages = [ pkgs.rsnapshot ];
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environment.etc."rsnapshot.conf".source = cfgfile;
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})
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]);
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}
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