try to add a restic config for servers

flake.nix

@@ -159,6 +159,9 @@
           ./home-manager/headless.nix
           [
             ./modules/docker
+            (import ./modules/restic-server-client {
+              inherit self; time = "03:00";
+            })
           ];
 
         plex = mkComputer

modules/restic-server-client/default.nix

@@ -0,0 +1,18 @@
+{ time, username, ... }:
+{
+  services.restic.backups.${username} = {
+    user = username;
+    repository = "rest:http://10.7.89.30:8000";
+    timerConfig.OnCalendar = time;
+    passwordFile = "/home/${username}/.nixos/secrets/passwords/restic.key";
+    paths = [ "/home/${username}/" ];
+    extraBackupArgs = [
+      "--exclude-file=/home/${username}/.nixos/modules/restic/excludes.txt"
+    ];
+    pruneOpts = [
+      "--keep-daily 7"
+      "--keep-weekly 5"
+      "--keep-monthly 12"
+    ];
+  };
+}

modules/restic-server-client/excludes.txt

@@ -0,0 +1,21 @@
+/home/*/.gvfs
+/home/*/.cache
+/home/*/.thumbnails
+/home/*/.dropbox
+/home/*/.steam
+home/*/.local/share/Steam/
+/home/*/snap
+/proc
+/sys
+/dev
+/etc/mtab
+/var/cache
+lost+found
+/tmp
+/var/tmp
+__pycache__
+/home/*/.local/share/Trash
+/home/*/programmes/tor-browser_en-US
+/home/*/Downloads
+/home/*/git_repos/work
+/home/*/VMs