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|
{ pkgs ? (import <nixpkgs> { })
, makeTest ? import <nixpkgs/nixos/tests/make-test-python.nix>
, eval-config ? import <nixpkgs/nixos/lib/eval-config.nix>
, ...
}:
{
makeDiskoTest =
{ disko-config
, extraTestScript ? ""
, bootCommands ? ""
, extraConfig ? { }
, grub-devices ? [ "nodev" ]
, efi ? true
, enableOCR ? false
, testMode ? "direct" # can be one of direct module cli
, testBoot ? true # if we actually want to test booting or just create/mount
}:
let
lib = pkgs.lib;
makeTest' = args:
makeTest args {
inherit pkgs;
inherit (pkgs) system;
};
disks = [ "/dev/vda" "/dev/vdb" "/dev/vdc" "/dev/vdd" "/dev/vde" "/dev/vdf" ];
tsp-create = pkgs.writeScript "create" ((pkgs.callPackage ../. { }).create (import disko-config { disks = builtins.tail disks; inherit lib; }));
tsp-mount = pkgs.writeScript "mount" ((pkgs.callPackage ../. { }).mount (import disko-config { disks = builtins.tail disks; inherit lib; }));
tsp-config = (pkgs.callPackage ../. { }).config (import disko-config { inherit disks; inherit lib; });
num-disks = builtins.length (lib.attrNames (import disko-config { inherit lib; }).disk);
installed-system = { modulesPath, ... }: {
imports = [
(lib.optionalAttrs (testMode == "direct" || testMode == "cli") tsp-config)
(lib.optionalAttrs (testMode == "module") {
imports = [ ../module.nix ];
disko = {
addScripts = false;
enableConfig = true;
devices = import disko-config { inherit disks lib; };
};
})
(modulesPath + "/testing/test-instrumentation.nix")
(modulesPath + "/profiles/qemu-guest.nix")
(modulesPath + "/profiles/minimal.nix")
extraConfig
];
fileSystems."/nix/store" = {
device = "nix-store";
fsType = "9p";
neededForBoot = true;
options = [ "trans=virtio" "version=9p2000.L" "cache=loose" ];
};
documentation.enable = false;
hardware.enableAllFirmware = lib.mkForce false;
networking.hostId = "8425e349"; # from profiles/base.nix, needed for zfs
boot.kernelParams = lib.mkAfter [ "console=tty0" ]; # needed to have serial interaction during boot
boot.zfs.devNodes = "/dev/disk/by-uuid"; # needed because /dev/disk/by-id is empty in qemu-vms
boot.consoleLogLevel = lib.mkForce 100;
boot.loader.grub = {
devices = grub-devices;
efiSupport = efi;
efiInstallAsRemovable = efi;
};
};
installedTopLevel = (eval-config {
modules = [ installed-system ];
system = "x86_64-linux";
}).config.system.build.toplevel;
in
makeTest' {
name = "disko";
inherit enableOCR;
nodes.machine = { config, pkgs, modulesPath, ... }: {
imports = [
(lib.optionalAttrs (testMode == "module") {
imports = [ ../module.nix ];
disko = {
addScripts = true;
enableConfig = false;
devices = import disko-config { disks = builtins.tail disks; inherit lib; };
};
})
(lib.optionalAttrs (testMode == "cli") {
imports = [ (modulesPath + "/installer/cd-dvd/channel.nix") ];
system.extraDependencies = [
((pkgs.callPackage ../. { }).createScript (import disko-config { disks = builtins.tail disks; inherit lib; }) pkgs)
((pkgs.callPackage ../. { }).mountScript (import disko-config { disks = builtins.tail disks; inherit lib; }) pkgs)
];
})
(modulesPath + "/profiles/base.nix")
(modulesPath + "/profiles/minimal.nix")
extraConfig
];
# speed-up eval
documentation.enable = false;
nix.settings = {
substituters = lib.mkForce [];
hashed-mirrors = null;
connect-timeout = 1;
};
virtualisation.emptyDiskImages = builtins.genList (_: 4096) num-disks;
};
testScript = ''
def disks(oldmachine, num_disks):
disk_flags = ""
for i in range(num_disks):
disk_flags += f' -drive file={oldmachine.state_dir}/empty{i}.qcow2,id=drive{i + 1},if=none,index={i + 1},werror=report'
disk_flags += f' -device virtio-blk-pci,drive=drive{i + 1}'
return disk_flags
def create_test_machine(oldmachine=None, args={}): # taken from <nixpkgs/nixos/tests/installer.nix>
machine = create_machine({
"qemuFlags": "-cpu max -m 1024 -virtfs local,path=/nix/store,security_model=none,mount_tag=nix-store" + disks(oldmachine, ${toString num-disks}),
${lib.optionalString efi ''"bios": "${pkgs.OVMF.fd}/FV/OVMF.fd",''}
} | args)
driver.machines.append(machine)
return machine
machine.start()
machine.succeed("echo -n 'secret' > /tmp/secret.key")
${lib.optionalString (testMode == "direct") ''
machine.succeed("${tsp-create}")
machine.succeed("${tsp-mount}")
machine.succeed("${tsp-mount}") # verify that the command is idempotent
''}
${lib.optionalString (testMode == "module") ''
machine.succeed("disko-create")
machine.succeed("disko-mount")
machine.succeed("disko-mount") # verify that the command is idempotent
''}
${lib.optionalString (testMode == "cli") ''
# TODO use the disko cli here
# machine.succeed("${../.}/disko --no-pkgs --mode create ${disko-config}")
# machine.succeed("${../.}/disko --no-pkgs --mode mount ${disko-config}")
# machine.succeed("${../.}/disko --no-pkgs --mode mount ${disko-config}") # verify that the command is idempotent
machine.succeed("${tsp-create}")
machine.succeed("${tsp-mount}")
machine.succeed("${tsp-mount}") # verify that the command is idempotent
''}
${lib.optionalString testBoot ''
# mount nix-store in /mnt
machine.succeed("mkdir -p /mnt/nix/store")
machine.succeed("mount --bind /nix/store /mnt/nix/store")
machine.succeed("nix-store --load-db < ${pkgs.closureInfo {rootPaths = [installedTopLevel];}}/registration")
# fix "this is not a NixOS installation"
machine.succeed("mkdir -p /mnt/etc")
machine.succeed("touch /mnt/etc/NIXOS")
machine.succeed("mkdir -p /mnt/nix/var/nix/profiles")
machine.succeed("nix-env -p /mnt/nix/var/nix/profiles/system --set ${installedTopLevel}")
machine.succeed("NIXOS_INSTALL_BOOTLOADER=1 nixos-enter --root /mnt -- ${installedTopLevel}/bin/switch-to-configuration boot")
machine.succeed("sync")
machine.shutdown()
machine = create_test_machine(oldmachine=machine, args={ "name": "booted_machine" })
machine.start()
${bootCommands}
machine.wait_for_unit("local-fs.target")
''}
${extraTestScript}
'';
};
}
|
