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Convert VM tests to Python

Perl-based tests are deprecated since NixOS 20.03 and subsequently got
removed in NixOS 20.09, which effectively means that tests are going to
fail as soon as we build it with NixOS 20.09 or anything newer.

I've put "# fmt: off" at the start of every testScript, because
formatting with Black really messes up indentation and I don't think it
really adds anything in value or readability for inlined Python scripts.

Signed-off-by: aszlig <aszlig@nix.build>
This commit is contained in:
aszlig 2020-10-17 22:08:18 +02:00
parent 2a37c35650
commit 5cfdf16dd6
No known key found for this signature in database
GPG key ID: 684089CE67EBB691
4 changed files with 178 additions and 155 deletions

View file

@ -2,7 +2,7 @@
{ nixpkgs, system, overlay }:
with import (nixpkgs + "/nixos/lib/testing.nix") {
with import (nixpkgs + "/nixos/lib/testing-python.nix") {
inherit system;
extraConfigurations = [ { nixpkgs.overlays = [ overlay ]; } ];
};
@ -66,44 +66,46 @@ in
};
};
testScript = { nodes }:
''
startAll;
testScript = { nodes }: ''
# fmt: off
import subprocess
# Create an SSH key on the client.
my $key = `${pkgs.openssh}/bin/ssh-keygen -t ed25519 -f key -N ""`;
$client->succeed("mkdir -p -m 700 /root/.ssh");
$client->copyFileFromHost("key", "/root/.ssh/id_ed25519");
$client->succeed("chmod 600 /root/.ssh/id_ed25519");
start_all()
# Install the SSH key on the builders.
$client->waitForUnit("network.target");
foreach my $builder ($builder1, $builder2) {
$builder->succeed("mkdir -p -m 700 /root/.ssh");
$builder->copyFileFromHost("key.pub", "/root/.ssh/authorized_keys");
$builder->waitForUnit("sshd");
$client->succeed("ssh -o StrictHostKeyChecking=no " . $builder->name() . " 'echo hello world'");
}
# Create an SSH key on the client.
subprocess.run([
"${pkgs.openssh}/bin/ssh-keygen", "-t", "ed25519", "-f", "key", "-N", ""
], capture_output=True, check=True)
client.succeed("mkdir -p -m 700 /root/.ssh")
client.copy_from_host("key", "/root/.ssh/id_ed25519")
client.succeed("chmod 600 /root/.ssh/id_ed25519")
# Perform a build and check that it was performed on the builder.
my $out = $client->succeed(
"nix-build ${expr nodes.client.config 1} 2> build-output",
"grep -q Hello build-output"
);
$builder1->succeed("test -e $out");
# Install the SSH key on the builders.
client.wait_for_unit("network.target")
for builder in [builder1, builder2]:
builder.succeed("mkdir -p -m 700 /root/.ssh")
builder.copy_from_host("key.pub", "/root/.ssh/authorized_keys")
builder.wait_for_unit("sshd")
client.succeed(f"ssh -o StrictHostKeyChecking=no {builder.name} 'echo hello world'")
# And a parallel build.
my ($out1, $out2) = split /\s/,
$client->succeed('nix-store -r $(nix-instantiate ${expr nodes.client.config 2})\!out $(nix-instantiate ${expr nodes.client.config 3})\!out');
$builder1->succeed("test -e $out1 -o -e $out2");
$builder2->succeed("test -e $out1 -o -e $out2");
# Perform a build and check that it was performed on the builder.
out = client.succeed(
"nix-build ${expr nodes.client.config 1} 2> build-output",
"grep -q Hello build-output"
)
builder1.succeed(f"test -e {out}")
# And a failing build.
$client->fail("nix-build ${expr nodes.client.config 5}");
# And a parallel build.
paths = client.succeed(r'nix-store -r $(nix-instantiate ${expr nodes.client.config 2})\!out $(nix-instantiate ${expr nodes.client.config 3})\!out')
out1, out2 = paths.split()
builder1.succeed(f"test -e {out1} -o -e {out2}")
builder2.succeed(f"test -e {out1} -o -e {out2}")
# Test whether the build hook automatically skips unavailable builders.
$builder1->block;
$client->succeed("nix-build ${expr nodes.client.config 4}");
'';
# And a failing build.
client.fail("nix-build ${expr nodes.client.config 5}")
# Test whether the build hook automatically skips unavailable builders.
builder1.block()
client.succeed("nix-build ${expr nodes.client.config 4}")
'';
})