b8698cd8d6
Closes #193336 Closes #261694 Related to #108984 The goal here was to get the following flake to build and run on `aarch64-darwin`: ```nix { inputs.nixpkgs.url = <this branch>; outputs = { nixpkgs, ... }: { checks.aarch64-darwin.default = nixpkgs.legacyPackages.aarch64-darwin.nixosTest { name = "test"; nodes.machine = { }; testScript = ""; }; }; } ``` … and after this change it does. There's no longer a need for the user to set `nodes.*.nixpkgs.pkgs` or `nodes.*.virtualisation.host.pkgs` as the correct values are inferred from the host system.
69 lines
2.1 KiB
Nix
69 lines
2.1 KiB
Nix
{ config, hostPkgs, lib, ... }:
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let
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inherit (lib) types mkOption mdDoc;
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in
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{
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options = {
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passthru = mkOption {
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type = types.lazyAttrsOf types.raw;
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description = mdDoc ''
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Attributes to add to the returned derivations,
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which are not necessarily part of the build.
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This is a bit like doing `drv // { myAttr = true; }` (which would be lost by `overrideAttrs`).
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It does not change the actual derivation, but adds the attribute nonetheless, so that
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consumers of what would be `drv` have more information.
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'';
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};
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rawTestDerivation = mkOption {
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type = types.package;
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description = mdDoc ''
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Unfiltered version of `test`, for troubleshooting the test framework and `testBuildFailure` in the test framework's test suite.
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This is not intended for general use. Use `test` instead.
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'';
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internal = true;
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};
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test = mkOption {
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type = types.package;
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# TODO: can the interactive driver be configured to access the network?
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description = mdDoc ''
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Derivation that runs the test as its "build" process.
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This implies that NixOS tests run isolated from the network, making them
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more dependable.
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'';
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};
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};
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config = {
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rawTestDerivation = hostPkgs.stdenv.mkDerivation {
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name = "vm-test-run-${config.name}";
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requiredSystemFeatures = [ "nixos-test" ]
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++ lib.optionals hostPkgs.stdenv.hostPlatform.isLinux [ "kvm" ]
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++ lib.optionals hostPkgs.stdenv.hostPlatform.isDarwin [ "apple-virt" ];
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buildCommand = ''
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mkdir -p $out
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# effectively mute the XMLLogger
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export LOGFILE=/dev/null
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${config.driver}/bin/nixos-test-driver -o $out
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'';
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passthru = config.passthru;
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meta = config.meta;
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};
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test = lib.lazyDerivation { # lazyDerivation improves performance when only passthru items and/or meta are used.
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derivation = config.rawTestDerivation;
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inherit (config) passthru meta;
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};
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# useful for inspection (debugging / exploration)
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passthru.config = config;
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};
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}
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