abe218950c
You can now run a test in the nixos/tests directory directly using nix-build, e.g. $ nix-build '<nixos/tests/login.nix>' -A test This gets rid of having to add the test to nixos/tests/default.nix. (Of course, you still need to add it to nixos/release.nix if you want Hydra to run the test.)
37 lines
1.1 KiB
Nix
37 lines
1.1 KiB
Nix
# Simple example to showcase distributed tests using NixOS VMs.
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import ./make-test.nix {
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nodes = {
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master =
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{ config, pkgs, ... }: {
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environment.systemPackages = [ gcc mpich2 ];
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#boot.kernelPackages = pkgs.kernelPackages_2_6_29;
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};
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slave =
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{ config, pkgs, ... }: {
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environment.systemPackages = [ gcc mpich2 ];
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};
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};
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# Start master/slave MPI daemons and compile/run a program that uses both
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# nodes.
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testScript =
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''
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startAll;
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$master->succeed("echo 'MPD_SECRETWORD=secret' > /etc/mpd.conf");
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$master->succeed("chmod 600 /etc/mpd.conf");
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$master->succeed("mpd --daemon --ifhn=master --listenport=4444");
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$slave->succeed("echo 'MPD_SECRETWORD=secret' > /etc/mpd.conf");
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$slave->succeed("chmod 600 /etc/mpd.conf");
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$slave->succeed("mpd --daemon --host=master --port=4444");
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$master->succeed("mpicc -o example -Wall ${./mpich-example.c}");
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$slave->succeed("mpicc -o example -Wall ${./mpich-example.c}");
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$master->succeed("mpiexec -n 2 ./example >&2");
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'';
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}
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