127 lines
3.5 KiB
Nix
127 lines
3.5 KiB
Nix
|
{ hostPkgs, ... }: {
|
||
|
|
name = "nixos-rebuild-specialisations";
|
||
|
|
|
||
|
|
# TODO: remove overlay from nixos/modules/profiles/installation-device.nix
|
||
|
|
# make it a _small package instead, then remove pkgsReadOnly = false;.
|
||
|
|
node.pkgsReadOnly = false;
|
||
|
|
|
||
|
|
nodes = {
|
||
|
|
machine = { lib, pkgs, ... }: {
|
||
|
|
imports = [
|
||
|
|
../modules/profiles/installation-device.nix
|
||
|
|
../modules/profiles/base.nix
|
||
|
|
];
|
||
|
|
|
||
|
|
nix.settings = {
|
||
|
|
substituters = lib.mkForce [ ];
|
||
|
|
hashed-mirrors = null;
|
||
|
|
connect-timeout = 1;
|
||
|
|
};
|
||
|
|
|
||
|
|
system.includeBuildDependencies = true;
|
||
|
|
|
||
|
|
system.extraDependencies = [
|
||
|
|
# Not part of the initial build apparently?
|
||
|
|
pkgs.grub2
|
||
|
|
];
|
||
|
|
|
||
|
|
system.switch.enable = true;
|
||
|
|
|
||
|
|
virtualisation = {
|
||
|
|
cores = 2;
|
||
|
|
memorySize = 4096;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
testScript =
|
||
|
|
let
|
||
|
|
configFile = hostPkgs.writeText "configuration.nix" ''
|
||
|
|
{ lib, pkgs, ... }: {
|
||
|
|
imports = [
|
||
|
|
./hardware-configuration.nix
|
||
|
|
<nixpkgs/nixos/modules/testing/test-instrumentation.nix>
|
||
|
|
];
|
||
|
|
|
||
|
|
boot.loader.grub = {
|
||
|
|
enable = true;
|
||
|
|
device = "/dev/vda";
|
||
|
|
forceInstall = true;
|
||
|
|
};
|
||
|
|
|
||
|
|
documentation.enable = false;
|
||
|
|
|
||
|
|
environment.systemPackages = [
|
||
|
|
(pkgs.writeShellScriptBin "parent" "")
|
||
|
|
];
|
||
|
|
|
||
|
|
specialisation.foo = {
|
||
|
|
inheritParentConfig = true;
|
||
|
|
|
||
|
|
configuration = { ... }: {
|
||
|
|
environment.systemPackages = [
|
||
|
|
(pkgs.writeShellScriptBin "foo" "")
|
||
|
|
];
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
specialisation.bar = {
|
||
|
|
inheritParentConfig = true;
|
||
|
|
|
||
|
|
configuration = { ... }: {
|
||
|
|
environment.systemPackages = [
|
||
|
|
(pkgs.writeShellScriptBin "bar" "")
|
||
|
|
];
|
||
|
|
};
|
||
|
|
};
|
||
|
|
}
|
||
|
|
'';
|
||
|
|
|
||
|
|
in
|
||
|
|
''
|
||
|
|
machine.start()
|
||
|
|
machine.succeed("udevadm settle")
|
||
|
|
machine.wait_for_unit("multi-user.target")
|
||
|
|
|
||
|
|
machine.succeed("nixos-generate-config")
|
||
|
|
machine.copy_from_host(
|
||
|
|
"${configFile}",
|
||
|
|
"/etc/nixos/configuration.nix",
|
||
|
|
)
|
||
|
|
|
||
|
|
with subtest("Switch to the base system"):
|
||
|
|
machine.succeed("nixos-rebuild switch")
|
||
|
|
machine.succeed("parent")
|
||
|
|
machine.fail("foo")
|
||
|
|
machine.fail("bar")
|
||
|
|
|
||
|
|
with subtest("Switch from base system into a specialization"):
|
||
|
|
machine.succeed("nixos-rebuild switch --specialisation foo")
|
||
|
|
machine.succeed("parent")
|
||
|
|
machine.succeed("foo")
|
||
|
|
machine.fail("bar")
|
||
|
|
|
||
|
|
with subtest("Switch from specialization into another specialization"):
|
||
|
|
machine.succeed("nixos-rebuild switch -c bar")
|
||
|
|
machine.succeed("parent")
|
||
|
|
machine.fail("foo")
|
||
|
|
machine.succeed("bar")
|
||
|
|
|
||
|
|
with subtest("Switch from specialization into the base system"):
|
||
|
|
machine.succeed("nixos-rebuild switch")
|
||
|
|
machine.succeed("parent")
|
||
|
|
machine.fail("foo")
|
||
|
|
machine.fail("bar")
|
||
|
|
|
||
|
|
with subtest("Switch into specialization using `nixos-rebuild test`"):
|
||
|
|
machine.succeed("nixos-rebuild test --specialisation foo")
|
||
|
|
machine.succeed("parent")
|
||
|
|
machine.succeed("foo")
|
||
|
|
machine.fail("bar")
|
||
|
|
|
||
|
|
with subtest("Make sure nonsense command combinations are forbidden"):
|
||
|
|
machine.fail("nixos-rebuild boot --specialisation foo")
|
||
|
|
machine.fail("nixos-rebuild boot -c foo")
|
||
|
|
'';
|
||
|
|
}
|