41 lines
1.1 KiB
Nix
41 lines
1.1 KiB
Nix
|
# Simple example to showcase distributed tests using NixOS VMs.
|
||
|
|
|
||
|
|
{ pkgs, ... }:
|
||
|
|
|
||
|
|
with pkgs;
|
||
|
|
|
||
|
|
{
|
||
|
|
nodes = {
|
||
|
|
master =
|
||
|
|
{ config, pkgs, ... }: {
|
||
|
|
environment.systemPackages = [ gcc mpich2 ];
|
||
|
|
#boot.kernelPackages = pkgs.kernelPackages_2_6_29;
|
||
|
|
};
|
||
|
|
|
||
|
|
slave =
|
||
|
|
{ config, pkgs, ... }: {
|
||
|
|
environment.systemPackages = [ gcc mpich2 ];
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
# Start master/slave MPI daemons and compile/run a program that uses both
|
||
|
|
# nodes.
|
||
|
|
testScript =
|
||
|
|
''
|
||
|
|
startAll;
|
||
|
|
|
||
|
|
$master->mustSucceed("echo 'MPD_SECRETWORD=secret' > /etc/mpd.conf");
|
||
|
|
$master->mustSucceed("chmod 600 /etc/mpd.conf");
|
||
|
|
$master->mustSucceed("mpd --daemon --ifhn=master --listenport=4444");
|
||
|
|
|
||
|
|
$slave->mustSucceed("echo 'MPD_SECRETWORD=secret' > /etc/mpd.conf");
|
||
|
|
$slave->mustSucceed("chmod 600 /etc/mpd.conf");
|
||
|
|
$slave->mustSucceed("mpd --daemon --host=master --port=4444");
|
||
|
|
|
||
|
|
$master->mustSucceed("mpicc -o example -Wall ${./mpich-example.c}");
|
||
|
|
$slave->mustSucceed("mpicc -o example -Wall ${./mpich-example.c}");
|
||
|
|
|
||
|
|
$master->mustSucceed("mpiexec -n 2 ./example >&2");
|
||
|
|
'';
|
||
|
|
}
|