Add ssh backdoor to VM tests infrastructure.

Thanks to @dezgeg for prototype implementation, I've cleaned it up and added documentation.
2018-09-26 22:17:14 +03:00
parent f0e4b31eb2
commit d6e3db44cf
4 changed files with 43 additions and 3 deletions
--- a/nixos/modules/testing/test-instrumentation.nix
+++ b/nixos/modules/testing/test-instrumentation.nix
@@ -55,7 +55,8 @@ with import ../../lib/qemu-flags.nix { inherit pkgs; };
    systemd.services."serial-getty@hvc0".enable = false;

    # Only use a serial console, no TTY.
-    virtualisation.qemu.consoles = [ qemuSerialDevice ];
+    # hvc1: socket backdoor, see "Debugging NixOS tests" section in NixOS manual
+    virtualisation.qemu.consoles = [ "hvc1" qemuSerialDevice ];

    boot.initrd.preDeviceCommands =
      ''