mirror of
https://github.com/nix-community/disko.git
synced 2024-09-19 02:27:27 +03:00
238 lines
9.7 KiB
Nix
238 lines
9.7 KiB
Nix
{ lib
|
|
, makeTest
|
|
, eval-config
|
|
, ...
|
|
}:
|
|
|
|
let
|
|
testlib = {
|
|
# this takes a disko toplevel config and changes the disk devices so we can run them inside the qemu test runner
|
|
# basically changes all the disk.*.devices to something like /dev/vda or /dev/vdb etc.
|
|
prepareDiskoConfig = toplevel: devices:
|
|
let
|
|
preparedDisks = lib.foldlAttrs (acc: n: v: {
|
|
devices = lib.tail acc.devices;
|
|
value = acc.value // {
|
|
${n} = v // {
|
|
device = lib.head acc.devices;
|
|
};
|
|
};
|
|
}) {
|
|
inherit devices;
|
|
value = {};
|
|
} toplevel.disko.devices.disk;
|
|
in
|
|
toplevel // {
|
|
disko.devices = toplevel.disko.devices // {
|
|
disk = preparedDisks.value;
|
|
};
|
|
};
|
|
|
|
# This is the test generator for a disko test
|
|
makeDiskoTest =
|
|
{ name
|
|
, disko-config
|
|
, nixos-config ? null
|
|
, pkgs ? import <nixpkgs> { }
|
|
, extraTestScript ? ""
|
|
, bootCommands ? ""
|
|
, extraInstallerConfig ? { }
|
|
, extraSystemConfig ? { }
|
|
, grub-devices ? [ "nodev" ]
|
|
, efi ? true
|
|
, postDisko ? ""
|
|
, testMode ? "module" # can be one of direct module cli
|
|
, testBoot ? true # if we actually want to test booting or just create/mount
|
|
}:
|
|
let
|
|
makeTest' = args:
|
|
makeTest args {
|
|
inherit pkgs;
|
|
inherit (pkgs) system;
|
|
};
|
|
devices = [ "/dev/vda" "/dev/vdb" "/dev/vdc" "/dev/vdd" "/dev/vde" "/dev/vdf"];
|
|
# for installation we skip /dev/vda because it is the test runner disk
|
|
importedDiskoConfig = import disko-config;
|
|
diskoConfigWithArgs = if builtins.isFunction importedDiskoConfig then
|
|
importedDiskoConfig { inherit lib; }
|
|
else
|
|
importedDiskoConfig;
|
|
testConfigInstall = testlib.prepareDiskoConfig diskoConfigWithArgs (lib.tail devices);
|
|
# we need to shift the disks by one because the first disk is the /dev/vda of the test runner
|
|
# so /dev/vdb becomes /dev/vda etc.
|
|
testConfigBooted = testlib.prepareDiskoConfig diskoConfigWithArgs devices;
|
|
|
|
tsp-generator = pkgs.callPackage ../. { checked = true; };
|
|
tsp-create = (tsp-generator.createScript testConfigInstall) pkgs;
|
|
tsp-mount = (tsp-generator.mountScript testConfigInstall) pkgs;
|
|
tsp-disko = (tsp-generator.diskoScript testConfigInstall) pkgs;
|
|
tsp-config = tsp-generator.config testConfigBooted;
|
|
num-disks = builtins.length (lib.attrNames testConfigBooted.disko.devices.disk);
|
|
installed-system = { modulesPath, ... }: {
|
|
# we always want the bind-mounted nix store. otherwise tests take forever
|
|
fileSystems."/nix/store" = lib.mkForce {
|
|
device = "nix-store";
|
|
fsType = "9p";
|
|
neededForBoot = true;
|
|
options = [ "trans=virtio" "version=9p2000.L" "cache=loose" ];
|
|
};
|
|
|
|
imports = (if nixos-config != null then [
|
|
nixos-config
|
|
] else [
|
|
(lib.optionalAttrs (testMode == "direct" || testMode == "cli") tsp-config)
|
|
(lib.optionalAttrs (testMode == "module") {
|
|
disko.enableConfig = true;
|
|
imports = [
|
|
../module.nix
|
|
testConfigBooted
|
|
];
|
|
})
|
|
{ # config for tests to make them run faster or work at all
|
|
documentation.enable = false;
|
|
hardware.enableAllFirmware = lib.mkForce false;
|
|
networking.hostId = "8425e349"; # from profiles/base.nix, needed for zfs
|
|
boot.zfs.devNodes = "/dev/disk/by-uuid"; # needed because /dev/disk/by-id is empty in qemu-vms
|
|
boot.initrd.preDeviceCommands = ''
|
|
echo -n 'secretsecret' > /tmp/secret.key
|
|
'';
|
|
|
|
boot.consoleLogLevel = lib.mkForce 100;
|
|
boot.loader.grub = {
|
|
devices = grub-devices;
|
|
efiSupport = efi;
|
|
efiInstallAsRemovable = efi;
|
|
};
|
|
}
|
|
]) ++ [
|
|
(modulesPath + "/testing/test-instrumentation.nix") # we need these 2 modules always to be able to run the tests
|
|
(modulesPath + "/profiles/qemu-guest.nix")
|
|
extraSystemConfig
|
|
];
|
|
};
|
|
installed-system-eval = eval-config {
|
|
modules = [ installed-system ];
|
|
inherit (pkgs) system;
|
|
};
|
|
|
|
installedTopLevel = installed-system-eval.config.system.build.toplevel;
|
|
in
|
|
makeTest' {
|
|
name = "disko-${name}";
|
|
|
|
nodes.machine = { pkgs, modulesPath, ... }: {
|
|
imports = [
|
|
(lib.optionalAttrs (testMode == "module") {
|
|
imports = [
|
|
../module.nix
|
|
];
|
|
disko = {
|
|
enableConfig = false;
|
|
checkScripts = true;
|
|
devices = testConfigInstall.disko.devices;
|
|
};
|
|
})
|
|
(lib.optionalAttrs (testMode == "cli") {
|
|
imports = [ (modulesPath + "/installer/cd-dvd/channel.nix") ];
|
|
system.extraDependencies = [
|
|
((pkgs.callPackage ../. { checked = true; }).createScript testConfigInstall pkgs)
|
|
((pkgs.callPackage ../. { checked = true; }).mountScript testConfigInstall pkgs)
|
|
];
|
|
})
|
|
(modulesPath + "/profiles/base.nix")
|
|
(modulesPath + "/profiles/minimal.nix")
|
|
extraInstallerConfig
|
|
];
|
|
environment.systemPackages = [
|
|
pkgs.jq
|
|
];
|
|
|
|
# speed-up eval
|
|
documentation.enable = false;
|
|
|
|
nix.settings = {
|
|
substituters = lib.mkForce [ ];
|
|
hashed-mirrors = null;
|
|
connect-timeout = 1;
|
|
};
|
|
|
|
virtualisation.emptyDiskImages = builtins.genList (_: 4096) num-disks;
|
|
|
|
# useful for debugging via repl
|
|
system.build.systemToInstall = installed-system-eval;
|
|
};
|
|
|
|
testScript = { nodes, ... }: ''
|
|
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 'additionalSecret' > /tmp/additionalSecret.key")
|
|
machine.succeed("echo -n 'secretsecret' > /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
|
|
machine.succeed("${tsp-disko}") # verify that we can destroy and recreate
|
|
''}
|
|
${lib.optionalString (testMode == "module") ''
|
|
machine.succeed("${nodes.machine.system.build.formatScript}")
|
|
machine.succeed("${nodes.machine.system.build.mountScript}")
|
|
machine.succeed("${nodes.machine.system.build.mountScript}") # verify that the command is idempotent
|
|
machine.succeed("${nodes.machine.system.build.diskoScript}") # verify that we can destroy and recreate again
|
|
''}
|
|
${lib.optionalString (testMode == "cli") ''
|
|
# TODO use the disko cli here
|
|
# machine.succeed("${../.}/disko --no-pkgs --mode create ${disko-config}")
|
|
# machine.succeed("${../.}/disko --no-pkgs --mode mount ${disko-config}")
|
|
# machine.succeed("${../.}/disko --no-pkgs --mode mount ${disko-config}") # verify that the command is idempotent
|
|
# machine.succeed("${../.}/disko --no-pkgs --mode zap_create_mount ${disko-config}") # verify that we can destroy and recreate again
|
|
machine.succeed("${tsp-create}")
|
|
machine.succeed("${tsp-mount}")
|
|
machine.succeed("${tsp-mount}") # verify that the command is idempotent
|
|
machine.succeed("${tsp-disko}") # verify that we can destroy and recreate
|
|
''}
|
|
|
|
${postDisko}
|
|
|
|
${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}
|
|
'';
|
|
};
|
|
};
|
|
in testlib
|
|
|