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|
{
config,
lib,
pkgs,
...
}:
let
serialDevice = if pkgs.stdenv.hostPlatform.isx86 then "ttyS0" else "ttyAMA0";
efiArch = pkgs.stdenv.hostPlatform.efiArch;
in
{
meta = {
teams = [ lib.teams.lxc ];
};
imports = [
../image/repart.nix
./lxc-instance-common.nix
../profiles/qemu-guest.nix
];
config = {
system.build.qemuImage = import ../../lib/make-disk-image.nix {
inherit pkgs lib config;
partitionTableType = "efi";
format = "qcow2-compressed";
copyChannel = config.system.installer.channel.enable;
};
system.build.repartImage = config.image.repart.image.overrideAttrs (previousAttrs: {
nativeBuildInputs = previousAttrs.nativeBuildInputs ++ [ pkgs.qemu-utils ];
postBuild = ''
qemu-img convert -f raw -O qcow2 -c ${config.image.baseName}.raw ${config.image.baseName}.qcow2
rm ${config.image.baseName}.raw
'';
# expose a hydra build product so lxc-ci can download it
postInstall = ''
mkdir $out/nix-support
echo "file qcow2-image $out/${config.image.baseName}.qcow2" > $out/nix-support/hydra-build-products
'';
});
image.repart = {
enable = true;
name = "nixos";
version = null;
sectorSize = 512;
compression.enable = false;
mkfsOptions.ext4 = [
"-i"
"8192"
];
partitions = {
esp = {
contents = {
"/EFI/BOOT/BOOT${lib.toUpper efiArch}.EFI".source =
"${config.systemd.package}/lib/systemd/boot/efi/systemd-boot${efiArch}.efi";
"/EFI/Linux/${config.system.boot.loader.ukiFile}".source =
"${config.system.build.uki}/${config.system.boot.loader.ukiFile}";
};
repartConfig = {
Type = "esp";
Format = "vfat";
Label = "ESP";
# support 10 kernels, assuming 50MB on x86 and 100MB on aarch64
SizeMinBytes = if pkgs.stdenv.hostPlatform.isx86 then "512M" else "1G";
};
};
root = {
storePaths = [ config.system.build.toplevel ];
repartConfig = {
Type = "root";
Format = "ext4";
Label = "nixos";
Minimize = "guess";
PaddingMinBytes = "512M";
};
};
};
};
fileSystems = {
"/" = {
device = "/dev/disk/by-label/nixos";
autoResize = true;
fsType = "ext4";
};
"/boot" = {
device = "/dev/disk/by-label/ESP";
fsType = "vfat";
};
};
boot.growPartition = true;
boot.loader.systemd-boot.enable = true;
# image building needs to know what device to install bootloader on
boot.loader.grub.device = "/dev/vda";
boot.kernelParams = [
"console=tty1"
"console=${serialDevice}"
];
# CPU hotplug
services.udev.extraRules = ''
SUBSYSTEM=="cpu", CONST{arch}=="x86-64", TEST=="online", ATTR{online}=="0", ATTR{online}="1"
'';
virtualisation.incus.agent.enable = lib.mkDefault true;
};
}
|
