nas: backup photos and music

Instead of rsync-ing these folders to a GCS bucket, I should instead do
a backup. If I screw up something, the content will be sync-ed, and I
won't be able to restore it. It's better (maybe more expensive, but
that's OK) to keep snapshots and be able to restore.

1 files changed, 12 insertions, 0 deletions

diff --git a/hosts/common/nas.nix b/hosts/common/nas.nix
index 2e1b6fc..f9017f2 100644
--- a/hosts/common/nas.nix
+++ b/hosts/common/nas.nix
@@ -17,4 +17,16 @@
     group = "nas";
     isSystemUser = true;
   };
+
+  services.restic.backups = {
+    media = {
+      paths = [ "/data/fast/music" "/data/fast/photos" ];
+      repository = "/data/slow/backups/systems";
+      passwordFile = config.age.secrets.restic-repo-systems.path;
+      timerConfig = { OnCalendar = "00:55"; };
+      initialize = true;
+      extraBackupArgs = [ "--tag media" ];
+      pruneOpts = [ "--keep-daily 7" "--keep-weekly 4" "--keep-monthly 12" ];
+    };
+  };
 }