mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-23 14:13:35 +00:00
92 lines
2.8 KiB
Nix
92 lines
2.8 KiB
Nix
# Test Nix's remote build feature.
|
|
|
|
{ pkgs, ... }:
|
|
|
|
let
|
|
|
|
# The configuration of the build slaves.
|
|
slave =
|
|
{ config, pkgs, ... }:
|
|
{ services.openssh.enable = true;
|
|
virtualisation.writableStore = true;
|
|
};
|
|
|
|
# Trivial Nix expression to build remotely.
|
|
expr = config: nr: pkgs.writeText "expr.nix"
|
|
''
|
|
let utils = builtins.storePath ${config.system.build.extraUtils}; in
|
|
derivation {
|
|
name = "hello-${toString nr}";
|
|
system = "i686-linux";
|
|
PATH = "''${utils}/bin";
|
|
builder = "''${utils}/bin/sh";
|
|
args = [ "-c" "echo Hello; mkdir $out; cat /proc/sys/kernel/hostname > $out/host; sleep 3" ];
|
|
}
|
|
'';
|
|
|
|
in
|
|
|
|
{
|
|
|
|
nodes =
|
|
{ slave1 = slave;
|
|
slave2 = slave;
|
|
|
|
client =
|
|
{ config, pkgs, ... }:
|
|
{ nix.maxJobs = 0; # force remote building
|
|
nix.distributedBuilds = true;
|
|
nix.buildMachines =
|
|
[ { hostName = "slave1";
|
|
sshUser = "root";
|
|
sshKey = "/root/.ssh/id_dsa";
|
|
system = "i686-linux";
|
|
maxJobs = 1;
|
|
}
|
|
{ hostName = "slave2";
|
|
sshUser = "root";
|
|
sshKey = "/root/.ssh/id_dsa";
|
|
system = "i686-linux";
|
|
maxJobs = 1;
|
|
}
|
|
];
|
|
virtualisation.writableStore = true;
|
|
virtualisation.pathsInNixDB = [ config.system.build.extraUtils ];
|
|
};
|
|
};
|
|
|
|
testScript = { nodes }:
|
|
''
|
|
startAll;
|
|
|
|
# Create an SSH key on the client.
|
|
my $key = `${pkgs.openssh}/bin/ssh-keygen -t dsa -f key -N ""`;
|
|
$client->succeed("mkdir -m 700 /root/.ssh");
|
|
$client->copyFileFromHost("key", "/root/.ssh/id_dsa");
|
|
$client->succeed("chmod 600 /root/.ssh/id_dsa");
|
|
|
|
# Install the SSH key on the slaves.
|
|
foreach my $slave ($slave1, $slave2) {
|
|
$slave->succeed("mkdir -m 700 /root/.ssh");
|
|
$slave->copyFileFromHost("key.pub", "/root/.ssh/authorized_keys");
|
|
$slave->waitForJob("sshd");
|
|
$client->succeed("ssh -o StrictHostKeyChecking=no " . $slave->name() . " 'echo hello world'");
|
|
}
|
|
|
|
# Perform a build and check that it was performed on the slave.
|
|
my $out = $client->succeed("nix-build ${expr nodes.client.config 1}");
|
|
$slave1->succeed("test -e $out");
|
|
|
|
# And a parallel build.
|
|
my ($out1, $out2) = split /\s/,
|
|
$client->succeed("nix-store -r \$(nix-instantiate ${expr nodes.client.config 2} ${expr nodes.client.config 3})");
|
|
$slave1->succeed("test -e $out1 -o -e $out2");
|
|
$slave2->succeed("test -e $out1 -o -e $out2");
|
|
|
|
# Test whether the build hook automatically skips unavailable slaves.
|
|
$slave1->block;
|
|
$client->succeed("nix-build ${expr nodes.client.config 4}");
|
|
'';
|
|
|
|
}
|