Simple EC2 user-data VM test

Changed files
+98 -3
nixos
lib
test-driver
maintainers
tests
-2
nixos/lib/test-driver/Machine.pm
···
$startCommand .= "-bios $args->{bios} "
if defined $args->{bios};
$startCommand .= $args->{qemuFlags} || "";
-
} else {
-
$startCommand = Cwd::abs_path $startCommand;
}
my $tmpDir = $ENV{'TMPDIR'} || "/tmp";
+1 -1
nixos/maintainers/scripts/ec2/amazon-base-config.nix
···
{ modulesPath, ...}:
{
-
imports = [ "${modulesPath}/virtualisation/amazon-config.nix" ];
+
imports = [ "${modulesPath}/virtualisation/amazon-image.nix" ];
services.journald.rateLimitBurst = 0;
}
+1
nixos/release.nix
···
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
···
+
{ system ? builtins.currentSystem }:
+
+
with import ../lib/testing.nix { inherit system; };
+
with import ../lib/qemu-flags.nix;
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with pkgs.lib;
+
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let
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image =
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(import ../lib/eval-config.nix {
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inherit system;
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modules = [
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../maintainers/scripts/ec2/amazon-hvm-config.nix
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../../nixos/modules/testing/test-instrumentation.nix
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{ boot.initrd.kernelModules = [ "virtio" "virtio_blk" "virtio_pci" "virtio_ring" ]; }
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];
+
}).config.system.build.amazonImage;
+
+
makeEc2Test = { name, userData, script, hostname ? "ec2-instance", sshPublicKey ? null }:
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let
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metaData = pkgs.stdenv.mkDerivation {
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name = "metadata";
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buildCommand = ''
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mkdir -p $out/2011-01-01
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ln -s ${pkgs.writeText "userData" userData} $out/2011-01-01/user-data
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mkdir -p $out/1.0/meta-data
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echo "${hostname}" > $out/1.0/meta-data/hostname
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'' + optionalString (sshPublicKey != null) ''
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mkdir -p $out/1.0/meta-data/public-keys/0
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ln -s ${pkgs.writeText "sshPublicKey" sshPublicKey} $out/1.0/meta-data/public-keys/0/openssh-key
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'';
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};
+
in makeTest {
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name = "ec2-" + name;
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nodes = {};
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testScript =
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''
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use File::Temp qw/ tempfile /;
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my ($fh, $filename) = tempfile();
+
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`qemu-img create -f qcow2 -o backing_file=${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";
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$startCommand .= " \$QEMU_OPTS";
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my $machine = createMachine({ startCommand => $startCommand });
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${script}
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'';
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};
+
+
snakeOilPrivateKey = [
+
"-----BEGIN EC PRIVATE KEY-----"
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"MHcCAQEEIHQf/khLvYrQ8IOika5yqtWvI0oquHlpRLTZiJy5dRJmoAoGCCqGSM49"
+
"AwEHoUQDQgAEKF0DYGbBwbj06tA3fd/+yP44cvmwmHBWXZCKbS+RQlAKvLXMWkpN"
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"r1lwMyJZoSGgBHoUahoYjTh9/sJL7XLJtA=="
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"-----END EC PRIVATE KEY-----"
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];
+
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snakeOilPublicKey = pkgs.lib.concatStrings [
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"ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHA"
+
"yNTYAAABBBChdA2BmwcG49OrQN33f/sj+OHL5sJhwVl2Qim0vkUJQCry1zFpKTa"
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"9ZcDMiWaEhoAR6FGoaGI04ff7CS+1yybQ= snakeoil"
+
];
+
in {
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bootEc2NixOps = makeEc2Test {
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name = "nixops-userdata";
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sshPublicKey = snakeOilPublicKey; # That's right folks! My user's key is also the host key!
+
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userData = ''
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SSH_HOST_DSA_KEY_PUB:${snakeOilPublicKey}
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SSH_HOST_DSA_KEY:${pkgs.lib.concatStringsSep "|" snakeOilPrivateKey}
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'';
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script = ''
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$machine->start;
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$machine->waitForFile("/root/user-data");
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$machine->waitForUnit("sshd.service");
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# We have no keys configured on the client side yet, so this should fail
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$machine->fail("ssh -o BatchMode=yes localhost exit");
+
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# Let's install our client private key
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$machine->succeed("mkdir -p ~/.ssh");
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${concatMapStrings (s: "$machine->succeed('echo ${s} >> ~/.ssh/id_ecdsa');") snakeOilPrivateKey}
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$machine->succeed("chmod 600 ~/.ssh/id_ecdsa");
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# We haven't configured the host key yet, so this should still fail
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$machine->fail("ssh -o BatchMode=yes localhost exit");
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# Add the host key; ssh should finally succeed
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$machine->succeed("echo localhost,127.0.0.1 ${snakeOilPublicKey} > ~/.ssh/known_hosts");
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$machine->succeed("ssh -o BatchMode=yes localhost exit");
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$machine->shutdown;
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'';
+
};
+
}