48 lines
1.3 KiB
Nix
48 lines
1.3 KiB
Nix
{ config, lib, pkgs, ... }:
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# using the restic cli:
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# load credentials into shell via: export $(cat /path/to/credentials/file | xargs)
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# useful commands for analysing restic stats [snapshot-id], restic diff [s1] [s2],
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with lib;
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with builtins;
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let
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hasAnyAttr = flip (attrset: any (flip hasAttr attrset));
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resticConfig = args@{ name, extraPruneOpts ? [ ], ... }:
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assert !hasAnyAttr [
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"initialize"
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"repository"
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"s3CredentialsFile"
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"passwordFile"
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"pruneOpts"
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] args;
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(removeAttrs args [ "name" "extraPruneOpts" ]) // {
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initialize = true;
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repository = "b2:felschr-rpi4-backup:/${name}";
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s3CredentialsFile = "/etc/nixos/secrets/restic/b2";
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passwordFile = "/etc/nixos/secrets/restic/password";
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timerConfig = if (args ? timerConfig) then
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args.timerConfig
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else {
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OnCalendar = "daily";
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};
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pruneOpts = [
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"--keep-daily 7"
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"--keep-weekly 4"
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"--keep-monthly 3"
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"--keep-yearly 1"
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] ++ extraPruneOpts;
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};
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in {
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environment.systemPackages = with pkgs; [ restic ];
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services.restic.backups.full = resticConfig {
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name = "full";
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paths = [ "/etc/nixos" "/var/lib" "/home" ];
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timerConfig.OnCalendar = "0/4:00:00";
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extraPruneOpts = [ "--keep-last 6" ];
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extraOptions = [ "--exclude=/var/lib/jellyfin/transcodes" ];
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};
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}
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