diff options
author | nikstur <nikstur@outlook.com> | 2023-07-16 22:16:55 +0200 |
---|---|---|
committer | nikstur <nikstur@outlook.com> | 2023-07-26 23:33:33 +0200 |
commit | 87ecda9a21fbf6060923baeaacdc862474183ac7 (patch) | |
tree | 4961b98dca314ee50817e6fb8a67cc137fca7349 | |
parent | ec8d30cc50e49f3d6a50b27a8f351d1f1bb6a7cc (diff) |
nixos/tests/appliance-repart-image: init
-rw-r--r-- | nixos/tests/all-tests.nix | 1 | ||||
-rw-r--r-- | nixos/tests/appliance-repart-image.nix | 116 |
2 files changed, 117 insertions, 0 deletions
diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix index c9ce2ebe91f33..c707200def09c 100644 --- a/nixos/tests/all-tests.nix +++ b/nixos/tests/all-tests.nix @@ -112,6 +112,7 @@ in { anuko-time-tracker = handleTest ./anuko-time-tracker.nix {}; apcupsd = handleTest ./apcupsd.nix {}; apfs = runTest ./apfs.nix; + appliance-repart-image = runTest ./appliance-repart-image.nix; apparmor = handleTest ./apparmor.nix {}; atd = handleTest ./atd.nix {}; atop = handleTest ./atop.nix {}; diff --git a/nixos/tests/appliance-repart-image.nix b/nixos/tests/appliance-repart-image.nix new file mode 100644 index 0000000000000..3f256db846214 --- /dev/null +++ b/nixos/tests/appliance-repart-image.nix @@ -0,0 +1,116 @@ +# Tests building and running a GUID Partition Table (GPT) appliance image. +# "Appliance" here means that the image does not contain the normal NixOS +# infrastructure of a system profile and cannot be re-built via +# `nixos-rebuild`. + +{ lib, ... }: + +let + rootPartitionLabel = "root"; + + bootLoaderConfigPath = "/loader/entries/nixos.conf"; + kernelPath = "/EFI/nixos/kernel.efi"; + initrdPath = "/EFI/nixos/initrd.efi"; +in +{ + name = "appliance-gpt-image"; + + meta.maintainers = with lib.maintainers; [ nikstur ]; + + nodes.machine = { config, lib, pkgs, ... }: { + + imports = [ ../modules/image/repart.nix ]; + + virtualisation.directBoot.enable = false; + virtualisation.mountHostNixStore = false; + virtualisation.useEFIBoot = true; + + # Disable boot loaders because we install one "manually". + # TODO(raitobezarius): revisit this when #244907 lands + boot.loader.grub.enable = false; + + virtualisation.fileSystems = lib.mkForce { + "/" = { + device = "/dev/disk/by-partlabel/${rootPartitionLabel}"; + fsType = "ext4"; + }; + }; + + image.repart = { + name = "appliance-gpt-image"; + partitions = { + "esp" = { + contents = + let + efiArch = config.nixpkgs.hostPlatform.efiArch; + in + { + "/EFI/BOOT/BOOT${lib.toUpper efiArch}.EFI".source = + "${pkgs.systemd}/lib/systemd/boot/efi/systemd-boot${efiArch}.efi"; + + # TODO: create an abstraction for Boot Loader Specification (BLS) entries. + "${bootLoaderConfigPath}".source = pkgs.writeText "nixos.conf" '' + title NixOS + linux ${kernelPath} + initrd ${initrdPath} + options init=${config.system.build.toplevel}/init ${toString config.boot.kernelParams} + ''; + + "${kernelPath}".source = + "${config.boot.kernelPackages.kernel}/${config.system.boot.loader.kernelFile}"; + + "${initrdPath}".source = + "${config.system.build.initialRamdisk}/${config.system.boot.loader.initrdFile}"; + }; + repartConfig = { + Type = "esp"; + Format = "vfat"; + # Minimize = "guess" seems to not work very vell for vfat + # partitons. It's better to set a sensible default instead. The + # aarch64 kernel seems to generally be a little bigger than the + # x86_64 kernel. To stay on the safe side, leave some more slack + # for every platform other than x86_64. + SizeMinBytes = if config.nixpkgs.hostPlatform.isx86_64 then "64M" else "96M"; + }; + }; + "root" = { + storePaths = [ config.system.build.toplevel ]; + repartConfig = { + Type = "root"; + Format = config.fileSystems."/".fsType; + Label = rootPartitionLabel; + Minimize = "guess"; + }; + }; + }; + }; + }; + + testScript = { nodes, ... }: '' + import os + import subprocess + import tempfile + + tmp_disk_image = tempfile.NamedTemporaryFile() + + subprocess.run([ + "${nodes.machine.virtualisation.qemu.package}/bin/qemu-img", + "create", + "-f", + "qcow2", + "-b", + "${nodes.machine.system.build.image}/image.raw", + "-F", + "raw", + tmp_disk_image.name, + ]) + + # Set NIX_DISK_IMAGE so that the qemu script finds the right disk image. + os.environ['NIX_DISK_IMAGE'] = tmp_disk_image.name + + bootctl_status = machine.succeed("bootctl status") + assert "${bootLoaderConfigPath}" in bootctl_status + assert "${kernelPath}" in bootctl_status + assert "${initrdPath}" in bootctl_status + ''; +} |