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{ lib, ... }:
let
rootFslabel = "external";
rootFsDevice = "/dev/disk/by-label/${rootFslabel}";
externalModule = partitionTableType: { config, lib, pkgs, ... }: {
virtualisation.directBoot.enable = false;
virtualisation.mountHostNixStore = false;
virtualisation.useEFIBoot = partitionTableType == "efi";
# This stops the qemu-vm module from overriding the fileSystems option
# with virtualisation.fileSystems.
virtualisation.fileSystems = lib.mkForce { };
boot.loader.grub.enable = true;
boot.loader.grub.efiSupport = partitionTableType == "efi";
boot.loader.grub.efiInstallAsRemovable = partitionTableType == "efi";
boot.loader.grub.device = if partitionTableType == "efi" then "nodev" else "/dev/vda";
boot.growPartition = true;
fileSystems = {
"/".device = rootFsDevice;
};
system.build.diskImage = import ../lib/make-disk-image.nix {
inherit config lib pkgs;
label = rootFslabel;
inherit partitionTableType;
format = "raw";
bootSize = "128M";
additionalSpace = "0M";
copyChannel = false;
};
};
in
{
name = "grow-partition";
meta.maintainers = with lib.maintainers; [ arianvp ];
nodes = {
efi = externalModule "efi";
legacy = externalModule "legacy";
legacyGPT = externalModule "legacy+gpt";
hybrid = externalModule "hybrid";
};
testScript = { nodes, ... }:
lib.concatLines (lib.mapAttrsToList (name: node: ''
import os
import subprocess
import tempfile
import shutil
tmp_disk_image = tempfile.NamedTemporaryFile()
shutil.copyfile("${node.system.build.diskImage}/nixos.img", tmp_disk_image.name)
subprocess.run([
"${node.virtualisation.qemu.package}/bin/qemu-img",
"resize",
"-f",
"raw",
tmp_disk_image.name,
"+32M",
])
# Set NIX_DISK_IMAGE so that the qemu script finds the right disk image.
os.environ['NIX_DISK_IMAGE'] = tmp_disk_image.name
${name}.wait_for_unit("growpart.service")
systemd_growpart_logs = ${name}.succeed("journalctl --boot --unit growpart.service")
assert "CHANGED" in systemd_growpart_logs
${name}.succeed("systemctl restart growpart.service")
systemd_growpart_logs = ${name}.succeed("journalctl --boot --unit growpart.service")
assert "NOCHANGE" in systemd_growpart_logs
'') nodes);
}
|
