diff options
Diffstat (limited to 'nixos/modules/profiles')
-rw-r--r-- | nixos/modules/profiles/container.nix | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/nixos/modules/profiles/container.nix b/nixos/modules/profiles/container.nix new file mode 100644 index 00000000000..5b531e5c3df --- /dev/null +++ b/nixos/modules/profiles/container.nix @@ -0,0 +1,57 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + pkgs2storeContents = l : map (x: { object = x; symlink = "none"; }) l; + +in { + # Docker image config. + imports = [ + ../installer/cd-dvd/channel.nix + ./minimal.nix + ./clone-config.nix + ]; + + # Create the tarball + system.build.tarball = import ../../lib/make-system-tarball.nix { + inherit (pkgs) stdenv perl xz pathsFromGraph; + + contents = []; + extraArgs = "--owner=0"; + + # Some container managers like lxc need these + extraCommands = "mkdir -p proc sys dev"; + + # Add init script to image + storeContents = [ + { object = config.system.build.toplevel + "/init"; + symlink = "/init"; + } + ] ++ (pkgs2storeContents [ pkgs.stdenv ]); + }; + + boot.postBootCommands = + '' + # After booting, register the contents of the Nix store in the Nix + # database. + if [ -f /nix-path-registration ]; then + ${config.nix.package}/bin/nix-store --load-db < /nix-path-registration && + rm /nix-path-registration + fi + + # nixos-rebuild also requires a "system" profile and an + # /etc/NIXOS tag. + touch /etc/NIXOS + ${config.nix.package}/bin/nix-env -p /nix/var/nix/profiles/system --set /run/current-system + ''; + + boot.isContainer = true; + + # Disable some features that are not useful in a container. + sound.enable = mkDefault false; + services.udisks2.enable = mkDefault false; + + # Shut up warnings about not having a boot loader. + system.build.installBootLoader = "${pkgs.coreutils}/bin/true"; +} |