0bf5f3be25
With the update of systemd to v255, the repart tool switched to use 4K sector sizes by default. This change sets the appliance-repart-image test to use a sector size of 512B to fit in with the existing NixOS VM test infrastructure using qemu disks with 512B sector sizes.
111 lines
3.3 KiB
Nix
111 lines
3.3 KiB
Nix
# Tests building and running a GUID Partition Table (GPT) appliance image.
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# "Appliance" here means that the image does not contain the normal NixOS
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# infrastructure of a system profile and cannot be re-built via
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# `nixos-rebuild`.
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{ lib, ... }:
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let
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rootPartitionLabel = "root";
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imageId = "nixos-appliance";
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imageVersion = "1-rc1";
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in
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{
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name = "appliance-gpt-image";
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meta.maintainers = with lib.maintainers; [ nikstur ];
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nodes.machine = { config, lib, pkgs, ... }: {
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imports = [ ../modules/image/repart.nix ];
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virtualisation.directBoot.enable = false;
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virtualisation.mountHostNixStore = false;
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virtualisation.useEFIBoot = true;
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# Disable boot loaders because we install one "manually".
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# TODO(raitobezarius): revisit this when #244907 lands
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boot.loader.grub.enable = false;
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system.image.id = imageId;
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system.image.version = imageVersion;
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virtualisation.fileSystems = lib.mkForce {
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"/" = {
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device = "/dev/disk/by-partlabel/${rootPartitionLabel}";
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fsType = "ext4";
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};
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};
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image.repart = {
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name = "appliance-gpt-image";
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# OVMF does not work with the default repart sector size of 4096
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sectorSize = 512;
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partitions = {
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"esp" = {
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contents =
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let
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efiArch = config.nixpkgs.hostPlatform.efiArch;
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in
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{
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"/EFI/BOOT/BOOT${lib.toUpper efiArch}.EFI".source =
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"${pkgs.systemd}/lib/systemd/boot/efi/systemd-boot${efiArch}.efi";
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"/EFI/Linux/${config.system.boot.loader.ukiFile}".source =
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"${config.system.build.uki}/${config.system.boot.loader.ukiFile}";
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};
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repartConfig = {
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Type = "esp";
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Format = "vfat";
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# Minimize = "guess" seems to not work very vell for vfat
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# partitons. It's better to set a sensible default instead. The
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# aarch64 kernel seems to generally be a little bigger than the
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# x86_64 kernel. To stay on the safe side, leave some more slack
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# for every platform other than x86_64.
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SizeMinBytes = if config.nixpkgs.hostPlatform.isx86_64 then "64M" else "96M";
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};
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};
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"root" = {
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storePaths = [ config.system.build.toplevel ];
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repartConfig = {
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Type = "root";
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Format = config.fileSystems."/".fsType;
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Label = rootPartitionLabel;
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Minimize = "guess";
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};
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};
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};
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};
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};
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testScript = { nodes, ... }: ''
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import os
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import subprocess
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import tempfile
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tmp_disk_image = tempfile.NamedTemporaryFile()
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subprocess.run([
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"${nodes.machine.virtualisation.qemu.package}/bin/qemu-img",
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"create",
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"-f",
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"qcow2",
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"-b",
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"${nodes.machine.system.build.image}/${nodes.machine.image.repart.imageFile}",
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"-F",
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"raw",
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tmp_disk_image.name,
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])
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# Set NIX_DISK_IMAGE so that the qemu script finds the right disk image.
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os.environ['NIX_DISK_IMAGE'] = tmp_disk_image.name
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os_release = machine.succeed("cat /etc/os-release")
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assert 'IMAGE_ID="${imageId}"' in os_release
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assert 'IMAGE_VERSION="${imageVersion}"' in os_release
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bootctl_status = machine.succeed("bootctl status")
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assert "Boot Loader Specification Type #2 (.efi)" in bootctl_status
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'';
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}
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