backups int

modules/essentials/services.nix

@@ -5,5 +5,27 @@
 {
   services = {
     tailscale.enable = config.xlib.device.type != "wsl"; # true, if not wsl
+  systemd = {
+    services.rsync-archive = lib.mkIf (config.xlib.device.type == "server") {
+      description = "Backup data using rsync";
+      after = [ "network.target" ];
+      requiresMountsFor = [ config.xlib.dirs.archive-drive ];
+      serviceConfig = {
+        Type = "oneshot";
+        #ExecStartPre = "/bin/sh -c 'if ! mountpoint -q ${config.xlib.dirs.archive-drive}; then exit 1; fi'";
+        ExecStart = "${pkgs.rsync}/bin/rsync -av --delete ${config.xlib.dirs.immich-folder} ${config.xlib.dirs.archive-drive}/Services/immich";
+        Nice = 19;
+        IOSchedulingClass = "idle";
+      };
+    };
+    timers.rsync-archive = lib.mkIf (config.xlib.device.type == "server") {
+      description = "Run rsync backup weekly";
+      wantedBy = [ "timers.target" ];
+      timerConfig = {
+        OnCalendar = "weekly";
+        Persistent = true;
+      };
+    };
+  };
   };
 }