57 lines
1.5 KiB
Nix
57 lines
1.5 KiB
Nix
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{ config, pkgs, ... }:
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with pkgs.lib;
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let cfg = config.services.rsnapshot;
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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 "rsnapshot backups";
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configuration = mkOption {
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default = "";
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example = ''
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retain 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 = ''
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rsnapshot configuration option in addition to the defaults from rsnapshot and this module.
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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.string;
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description = ''
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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 {
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environment.systemPackages = [ pkgs.rsnapshot ];
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services.cron.systemCronJobs =
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mapAttrsToList (interval: time: "${time} root ${pkgs.rsnapshot}/bin/rsnapshot ${interval}") cfg.cronIntervals;
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environment.etc."rsnapshot.conf".source = with pkgs; writeText "gen-rsnapshot.conf" (''
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config_version 1.2
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cmd_cp ${coreutils}/bin/cp
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cmd_rsync ${rsync}/bin/rsync
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cmd_ssh ${openssh}/bin/ssh
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cmd_logger ${inetutils}/bin/logger
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cmd_du ${coreutils}/bin/du
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cmd_rsnapshot_diff ${rsnapshot}/bin/rsnapshot-diff
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lockfile /run/rsnapshot.pid
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'' + cfg.configuration);
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};
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}
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