blob: 6d38fb568068db3e74966e7acfe4f6549e56b7ca (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
# Test Nix's remote build feature.
{ system, nix }:
with import <nixos/lib/testing.nix> { inherit system; };
makeTest ({ pkgs, ... }:
let
# The configuration of the build slaves.
slave =
{ config, pkgs, ... }:
{ services.openssh.enable = true;
virtualisation.writableStore = true;
environment.nix = nix;
};
# 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 ];
environment.nix = nix;
};
};
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.
$client->waitForUnit("network.target");
foreach my $slave ($slave1, $slave2) {
$slave->succeed("mkdir -m 700 /root/.ssh");
$slave->copyFileFromHost("key.pub", "/root/.ssh/authorized_keys");
$slave->waitForUnit("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}");
'';
})
|
