pkgs: let makeVM = import ./make-test-vm.nix pkgs; inherit (pkgs) lib; in name: testConfig: { vm = makeVM { name = "nix-bitcoin-${name}"; nodes.machine = { imports = [ testConfig ]; virtualisation = { # Needed because duplicity requires 270 MB of free temp space, regardless of backup size diskSize = 1024; # Min. 800 MiB needed to avoid 'out of memory' errors memorySize = lib.mkDefault 2048; cores = lib.mkDefault 2; }; }; testScript = nodes: let cfg = nodes.nodes.machine.config; data = { data = cfg.test.data; tests = cfg.tests; }; dataFile = pkgs.writeText "test-data" (builtins.toJSON data); initData = '' import json with open("${dataFile}") as f: data = json.load(f) enabled_tests = set(test for (test, enabled) in data["tests"].items() if enabled) test_data = data["data"] ''; in builtins.concatStringsSep "\n\n" [ initData (builtins.readFile ./../tests.py) cfg.test.extraTestScript # Don't run tests in interactive mode. # is_interactive is set in ../run-tests.sh '' if not "is_interactive" in vars(): run_tests() '' ]; }; container = { # The container name has a 11 char length limit containers.nb-test = { config, ... }: { imports = [ { config = { extra = config.config.test.container; config = testConfig; }; } # Enable FUSE inside the container when clightning replication # is enabled. # TODO-EXTERNAL: Remove this when # https://github.com/systemd/systemd/issues/17607 # has been resolved. This will also improve security. ( let clightning = config.config.services.clightning; in lib.mkIf (clightning.enable && clightning.replication.enable) { bindMounts."/dev/fuse" = { hostPath = "/dev/fuse"; }; allowedDevices = [ { node = "/dev/fuse"; modifier = "rw"; } ]; } ) ]; }; }; # This allows running a test scenario in a regular NixOS VM. # No tests are executed. vmWithoutTests = (pkgs.nixos ({ config, ... }: { imports = [ testConfig "${toString pkgs.path}/nixos/modules/virtualisation/qemu-vm.nix" ]; virtualisation.graphics = false; services.getty.autologinUser = "root"; # Provide a shortcut for instant poweroff from within the machine environment.systemPackages = with pkgs; [ (lowPrio (writeScriptBin "q" '' echo o >/proc/sysrq-trigger '')) ]; system.stateVersion = lib.mkDefault config.system.nixos.release; })).config.system.build.vm; config = testConfig; }