67 lines
1.7 KiB
Nix
67 lines
1.7 KiB
Nix
# TODO: https://github.com/lilyinstarlight/foosteros/blob/dfe1ab3eb68bfebfaa709482d52fa04ebdde81c8/config/restic.nix#L23 <- this is better
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{
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config,
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lib,
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...
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}:
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let
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cfg = config.custom.restic;
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in
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{
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options = {
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custom.restic = {
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enable = lib.mkEnableOption "restic";
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paths = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [
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"/home"
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"/var/lib"
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];
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};
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prune = lib.mkEnableOption "auto prune remote restic repo";
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repositoryFile = lib.mkOption {
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type = lib.types.str;
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default = "";
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};
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passwordFile = lib.mkOption {
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type = lib.types.str;
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default = "";
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};
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};
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};
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config = lib.mkIf cfg.enable {
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services.restic.backups.${config.networking.hostName} = lib.mkMerge [
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{
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repositoryFile = cfg.repositoryFile;
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passwordFile = cfg.passwordFile;
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exclude = [
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"/home/*/.cache"
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"/home/*/.cargo"
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"/home/*/.local/share/Steam"
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"/home/*/.local/share/flatpak"
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];
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timerConfig = {
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OnCalendar = "00:05";
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RandomizedDelaySec = "5h";
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};
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pruneOpts = lib.mkIf cfg.prune [
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"--keep-daily 7"
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"--keep-weekly 5"
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"--keep-monthly 12"
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"--keep-yearly 75"
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];
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paths = lib.mkDefault cfg.paths;
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initialize = true;
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}
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(lib.mkIf (config.fileSystems."/".fsType == "btrfs") {
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backupPrepareCommand = ''
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btrfs subvolume snapshot -r / backup
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'';
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backupCleanupCommand = ''
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btrfs subvolume delete /backup
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'';
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paths = map (p: "/backup" + p) cfg.paths;
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})
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];
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};
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}
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