nullbox: setup backups for minecraft server

hosts/nullbox/backup.nix

@@ -0,0 +1,30 @@
+{ config, lib, pkgs, ... }:
+let
+  secret = name: config.age.secrets."${name}".path;
+in
+{
+  config = {
+    age.secrets.restic-rclone.file   = ../../secrets/restic-rclone.age;
+    age.secrets.restic-password.file = ../../secrets/restic-password.age;
+    services.restic.backups.system = {
+      rcloneConfigFile = secret "restic-rclone";
+      passwordFile = secret "restic-password";
+      repository = "rclone:restic:";
+      exclude = [
+        ".snapshots"
+      ];
+      paths = [
+        "/srv/mcserver"
+      ];
+      dynamicFilesFrom = ''
+        echo
+      '';
+
+      extraBackupArgs = [
+        "--tag=auto"
+        "--group-by=host,tag"
+      ];
+
+    };
+  };
+}

hosts/nullbox/configuration.nix

@@ -15,6 +15,8 @@
       ./mcserver.nix
 
       ./impermanence.nix
+
+      ./backup.nix
     ];
 
   config = {