diff options
Diffstat (limited to 'nixpkgs/nixos/modules/virtualisation/docker-preloader.nix')
-rw-r--r-- | nixpkgs/nixos/modules/virtualisation/docker-preloader.nix | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/nixpkgs/nixos/modules/virtualisation/docker-preloader.nix b/nixpkgs/nixos/modules/virtualisation/docker-preloader.nix index faa94f53d98f..6ab83058dee1 100644 --- a/nixpkgs/nixos/modules/virtualisation/docker-preloader.nix +++ b/nixpkgs/nixos/modules/virtualisation/docker-preloader.nix @@ -78,12 +78,11 @@ in }; }; - config = { + config = mkIf (cfg.dockerPreloader.images != []) { assertions = [{ # If docker.storageDriver is null, Docker choose the storage # driver. So, in this case, we cannot be sure overlay2 is used. - assertion = cfg.dockerPreloader.images == [] - || cfg.docker.storageDriver == "overlay2" + assertion = cfg.docker.storageDriver == "overlay2" || cfg.docker.storageDriver == "overlay" || cfg.docker.storageDriver == null; message = "The Docker image Preloader only works with overlay2 storage driver!"; |