docker host config

hosts/docker/default.nix

@@ -21,23 +21,36 @@
     device = "/dev/disk/by-uuid/fcee0188-8ca1-4fda-81b7-f5920c79ab48";
     fsType = "ext4";
   };
+
   fileSystems."/mnt/hdd1" = {
     device = "/dev/disk/by-uuid/5d9dd538-79e4-4168-be91-e0b040155cb3";
     fsType = "ext4";
   };
+
   fileSystems."/mnt/hdd2" = {
     device = "/dev/disk/by-uuid/5a43b7dc-3e28-459e-824a-ad45b5475361";
     fsType = "ext4";
   };
 
-  # MergerFS
+  # Install some packages.
   environment.systemPackages = with pkgs; [
     mergerfs
+    ansible
+    (python3.withPackages (ps: [ps.ansible ps.pip ps.requests]))
   ];
 
+  # MergerFS.
   fileSystems."/media" = {
     fsType = "fuse.mergerfs";
+    depends = ["/mnt/hdd0" "/mnt/hdd1" "/mnt/hdd2"];
     device = "/mnt/hdd*";
     options = ["cache.files=partial" "dropcacheonclose=true" "category.create=mfs" "func.getattr=newest"];
   };
+
+  # Media group.
+  users.groups.media = {
+    gid = 1800;
+  };
+
+  users.users.fern.extraGroups = ["media"];
 }