bc68c2985c
connections. * In the root shell, source /etc/bashrc and set $HOME and $DISPLAY. svn path=/nixos/trunk/; revision=19247
66 lines
1.8 KiB
Nix
66 lines
1.8 KiB
Nix
# This module allows the test driver to connect to the virtual machine
|
|
# via a root shell attached to port 514.
|
|
|
|
{ config, pkgs, ... }:
|
|
|
|
with pkgs.lib;
|
|
|
|
{
|
|
|
|
config = {
|
|
|
|
jobs.backdoor =
|
|
{ startOn = "started network-interfaces";
|
|
|
|
preStart =
|
|
''
|
|
echo "guest running" > /dev/ttyS0
|
|
echo "===UP===" > dev/ttyS0
|
|
'';
|
|
|
|
script =
|
|
''
|
|
export HOME=/root
|
|
export DISPLAY=:0.0
|
|
export GCOV_PREFIX=/tmp/coverage-data
|
|
source /etc/bashrc
|
|
cd /tmp
|
|
exec ${pkgs.socat}/bin/socat tcp-listen:514,fork exec:/bin/sh 2> /dev/ttyS0
|
|
'';
|
|
};
|
|
|
|
boot.postBootCommands =
|
|
''
|
|
# Panic on out-of-memory conditions rather than letting the
|
|
# 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. Symlink
|
|
# it to the host filesystem so that we don't need to copy it
|
|
# on shutdown.
|
|
( eval $(cat /proc/cmdline)
|
|
mkdir /hostfs/$hostTmpDir/coverage-data
|
|
ln -s /hostfs/$hostTmpDir/coverage-data /tmp/coverage-data
|
|
)
|
|
|
|
# Mount debugfs to gain access to the kernel coverage data (if
|
|
# available).
|
|
mount -t debugfs none /sys/kernel/debug || true
|
|
'';
|
|
|
|
# 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 = [ "stage1panic" ];
|
|
|
|
# `xwininfo' is used by the test driver to query open windows.
|
|
environment.systemPackages = [ pkgs.xorg.xwininfo ];
|
|
|
|
};
|
|
|
|
}
|