homelab: added restic for backups

1 files changed, 31 insertions, 0 deletions

diff --git a/nixos/modules/homelab/core/restic.nix b/nixos/modules/homelab/core/restic.nix
new file mode 100644
index 0000000..7315632
--- /dev/null
+++ b/nixos/modules/homelab/core/restic.nix
@@ -0,0 +1,31 @@
+{ config, lib, pkgs, ... }: let
+  cfg = config.homelab.core.restic;
+in {
+  options.homelab.core.restic = {
+    enable = lib.mkEnableOption "restic";
+    passwordFile = lib.mkOption {
+      description = "restic password file";
+      type = lib.types.path;
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = [ pkgs.restic ];
+    services.restic.backups = let
+      defaultPruneOpts = [
+        "--keep-daily 7"
+        "--keep-weekly 4"
+        "--keep-monthly 6"
+      ];
+    in {
+      syncthing = {
+        initialize = true;
+        paths = [
+          "/home/server/Sync"
+        ];
+        repository = "/srv/backups/syncthing";
+        pruneOpts = defaultPruneOpts;
+        passwordFile = cfg.passwordFile;
+      };
+    };
+  };
+}