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|
{ hostPkgs, ... }:
{
name = "nixos-rebuild-store-path";
# 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;
};
nix.enable = true; # disabled by default. See all-tests.nix / tag(no-nix-by-default)
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 =
hostname:
hostPkgs.writeText "configuration.nix" # 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;
networking.hostName = "${hostname}";
}
'';
in
# python
''
machine.start()
machine.succeed("udevadm settle")
machine.wait_for_unit("multi-user.target")
machine.succeed("nixos-generate-config")
with subtest("Build configuration without switching"):
machine.copy_from_host(
"${configFile "store-path-test"}",
"/etc/nixos/configuration.nix",
)
store_path = machine.succeed("nix-build '<nixpkgs/nixos>' -A system --no-out-link").strip()
machine.succeed(f"test -f {store_path}/nixos-version")
with subtest("Switch using --store-path"):
machine.succeed(f"nixos-rebuild switch --store-path {store_path}")
hostname = machine.succeed("cat /etc/hostname").strip()
assert hostname == "store-path-test", f"Expected hostname 'store-path-test', got '{hostname}'"
with subtest("Test using --store-path"):
machine.copy_from_host(
"${configFile "store-path-test-2"}",
"/etc/nixos/configuration.nix",
)
store_path_2 = machine.succeed("nix-build '<nixpkgs/nixos>' -A system --no-out-link").strip()
machine.succeed(f"nixos-rebuild test --store-path {store_path_2}")
hostname = machine.succeed("cat /etc/hostname").strip()
assert hostname == "store-path-test-2", f"Expected hostname 'store-path-test-2', got '{hostname}'"
with subtest("Ensure --store-path rejects invalid combinations"):
machine.fail(f"nixos-rebuild switch --store-path {store_path} --rollback")
machine.fail(f"nixos-rebuild switch --store-path {store_path} --flake .")
machine.fail(f"nixos-rebuild build --store-path {store_path}")
'';
}
|
