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Merge pull request #8013 from copumpkin/ec2-test

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Simple EC2 user-data VM test
This commit is contained in:
Daniel Peebles 2015-06-11 23:15:47 -04:00
commit f0753327f0
4 changed files with 98 additions and 3 deletions
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2
nixos/lib/test-driver/Machine.pm
View File

@ -43,8 +43,6 @@ sub new {
$startCommand .= "-bios $args->{bios} "
if defined $args->{bios};
$startCommand .= $args->{qemuFlags} || "";
} else {
$startCommand = Cwd::abs_path $startCommand;
}
my $tmpDir = $ENV{'TMPDIR'} || "/tmp";

2
nixos/maintainers/scripts/ec2/amazon-base-config.nix
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@ -1,5 +1,5 @@
{ modulesPath, ...}:
{
imports = [ "${modulesPath}/virtualisation/amazon-config.nix" ];
imports = [ "${modulesPath}/virtualisation/amazon-image.nix" ];
services.journald.rateLimitBurst = 0;
}

1
nixos/release.nix
View File

@ -247,6 +247,7 @@ in rec {
tests.docker = hydraJob (import tests/docker.nix { system = "x86_64-linux"; });
tests.dockerRegistry = hydraJob (import tests/docker-registry.nix { system = "x86_64-linux"; });
tests.etcd = hydraJob (import tests/etcd.nix { system = "x86_64-linux"; });
tests.ec2 = hydraJob (import tests/ec2.nix { system = "x86_64-linux"; }).bootEc2NixOps;
tests.firefox = callTest tests/firefox.nix {};
tests.firewall = callTest tests/firewall.nix {};
tests.fleet = hydraJob (import tests/fleet.nix { system = "x86_64-linux"; });

96
nixos/tests/ec2.nix Normal file
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@ -0,0 +1,96 @@
{ system ? builtins.currentSystem }:
with import ../lib/testing.nix { inherit system; };
with import ../lib/qemu-flags.nix;
with pkgs.lib;
let
image =
(import ../lib/eval-config.nix {
inherit system;
modules = [
../maintainers/scripts/ec2/amazon-hvm-config.nix
../../nixos/modules/testing/test-instrumentation.nix
{ boot.initrd.kernelModules = [ "virtio" "virtio_blk" "virtio_pci" "virtio_ring" ]; }
];
}).config.system.build.amazonImage;
makeEc2Test = { name, userData, script, hostname ? "ec2-instance", sshPublicKey ? null }:
let
metaData = pkgs.stdenv.mkDerivation {
name = "metadata";
buildCommand = ''
mkdir -p $out/2011-01-01
ln -s ${pkgs.writeText "userData" userData} $out/2011-01-01/user-data
mkdir -p $out/1.0/meta-data
echo "${hostname}" > $out/1.0/meta-data/hostname
'' + optionalString (sshPublicKey != null) ''
mkdir -p $out/1.0/meta-data/public-keys/0
ln -s ${pkgs.writeText "sshPublicKey" sshPublicKey} $out/1.0/meta-data/public-keys/0/openssh-key
'';
};
in makeTest {
name = "ec2-" + name;
nodes = {};
testScript =
''
use File::Temp qw/ tempfile /;
my ($fh, $filename) = tempfile();
`qemu-img create -f qcow2 -o backing_file=${image}/nixos.img $filename`;
my $startCommand = "qemu-kvm -m 768 -net nic -net 'user,net=169.254.0.0/16,guestfwd=tcp:169.254.169.254:80-cmd:${pkgs.micro-httpd}/bin/micro_httpd ${metaData}'";
$startCommand .= " -drive file=" . Cwd::abs_path($filename) . ",if=virtio,werror=report";
$startCommand .= " \$QEMU_OPTS";
my $machine = createMachine({ startCommand => $startCommand });
${script}
'';
};
snakeOilPrivateKey = [
"-----BEGIN EC PRIVATE KEY-----"
"MHcCAQEEIHQf/khLvYrQ8IOika5yqtWvI0oquHlpRLTZiJy5dRJmoAoGCCqGSM49"
"AwEHoUQDQgAEKF0DYGbBwbj06tA3fd/+yP44cvmwmHBWXZCKbS+RQlAKvLXMWkpN"
"r1lwMyJZoSGgBHoUahoYjTh9/sJL7XLJtA=="
"-----END EC PRIVATE KEY-----"
];
snakeOilPublicKey = pkgs.lib.concatStrings [
"ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHA"
"yNTYAAABBBChdA2BmwcG49OrQN33f/sj+OHL5sJhwVl2Qim0vkUJQCry1zFpKTa"
"9ZcDMiWaEhoAR6FGoaGI04ff7CS+1yybQ= snakeoil"
];
in {
bootEc2NixOps = makeEc2Test {
name = "nixops-userdata";
sshPublicKey = snakeOilPublicKey; # That's right folks! My user's key is also the host key!
userData = ''
SSH_HOST_DSA_KEY_PUB:${snakeOilPublicKey}
SSH_HOST_DSA_KEY:${pkgs.lib.concatStringsSep "|" snakeOilPrivateKey}
'';
script = ''
$machine->start;
$machine->waitForFile("/root/user-data");
$machine->waitForUnit("sshd.service");
# We have no keys configured on the client side yet, so this should fail
$machine->fail("ssh -o BatchMode=yes localhost exit");
# Let's install our client private key
$machine->succeed("mkdir -p ~/.ssh");
${concatMapStrings (s: "$machine->succeed('echo ${s} >> ~/.ssh/id_ecdsa');") snakeOilPrivateKey}
$machine->succeed("chmod 600 ~/.ssh/id_ecdsa");
# We haven't configured the host key yet, so this should still fail
$machine->fail("ssh -o BatchMode=yes localhost exit");
# Add the host key; ssh should finally succeed
$machine->succeed("echo localhost,127.0.0.1 ${snakeOilPublicKey} > ~/.ssh/known_hosts");
$machine->succeed("ssh -o BatchMode=yes localhost exit");
$machine->shutdown;
'';
};
}