diff options
Diffstat (limited to 'nixos/modules/testing/test-instrumentation.nix')
-rw-r--r-- | nixos/modules/testing/test-instrumentation.nix | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/nixos/modules/testing/test-instrumentation.nix b/nixos/modules/testing/test-instrumentation.nix index 30ffb12cbad..be5fa88b8ad 100644 --- a/nixos/modules/testing/test-instrumentation.nix +++ b/nixos/modules/testing/test-instrumentation.nix @@ -45,13 +45,22 @@ with import ../../lib/qemu-flags.nix { inherit pkgs; }; systemd.services."serial-getty@${qemuSerialDevice}".enable = false; systemd.services."serial-getty@hvc0".enable = false; - # Only use a serial console, no TTY. - # NOTE: optionalAttrs - # test-instrumentation.nix appears to be used without qemu-vm.nix, so - # we avoid defining consoles if not possible. - # TODO: refactor such that test-instrumentation can import qemu-vm - # or declare virtualisation.qemu.console option in a module that's always imported - virtualisation = lib.optionalAttrs (options ? virtualisation.qemu.consoles) { qemu.consoles = [ qemuSerialDevice ]; }; + # Only set these settings when the options exist. Some tests (e.g. those + # that do not specify any nodes, or an empty attr set as nodes) will not + # have the QEMU module loaded and thuse these options can't and should not + # be set. + virtualisation = lib.optionalAttrs (options ? virtualisation.qemu) { + qemu = { + # Only use a serial console, no TTY. + # NOTE: optionalAttrs + # test-instrumentation.nix appears to be used without qemu-vm.nix, so + # we avoid defining consoles if not possible. + # TODO: refactor such that test-instrumentation can import qemu-vm + # or declare virtualisation.qemu.console option in a module that's always imported + consoles = [ qemuSerialDevice ]; + package = lib.mkDefault pkgs.qemu_test; + }; + }; boot.initrd.preDeviceCommands = '' @@ -74,15 +83,8 @@ with import ../../lib/qemu-flags.nix { inherit pkgs; }; # OOM killer randomly get rid of processes, since this leads # to failures that are hard to diagnose. echo 2 > /proc/sys/vm/panic_on_oom - - # Coverage data is written into /tmp/coverage-data. - mkdir -p /tmp/xchg/coverage-data ''; - # If the kernel has been built with coverage instrumentation, make - # it available under /proc/gcov. - boot.kernelModules = [ "gcov-proc" ]; - # Panic if an error occurs in stage 1 (rather than waiting for # user intervention). boot.kernelParams = @@ -111,8 +113,6 @@ with import ../../lib/qemu-flags.nix { inherit pkgs; }; networking.defaultGateway = mkOverride 150 ""; networking.nameservers = mkOverride 150 [ ]; - systemd.globalEnvironment.GCOV_PREFIX = "/tmp/xchg/coverage-data"; - system.requiredKernelConfig = with config.lib.kernelConfig; [ (isYes "SERIAL_8250_CONSOLE") (isYes "SERIAL_8250") @@ -125,6 +125,10 @@ with import ../../lib/qemu-flags.nix { inherit pkgs; }; users.users.root.initialHashedPassword = mkOverride 150 ""; services.xserver.displayManager.job.logToJournal = true; + + # Make sure we use the Guest Agent from the QEMU package for testing + # to reduce the closure size required for the tests. + services.qemuGuest.package = pkgs.qemu_test.ga; }; } |