nixpkgs/nixos/tests/ec2.nix
Linus Heckemann 24e33a4d2e nixos/ec2: remove paravirtualization-specific code
Paravirtualized EC2 instances haven't been supported since 2017.
It's safe to remove this now.
2022-11-23 17:18:18 +01:00

157 lines
5.0 KiB
Nix

{ system ? builtins.currentSystem,
config ? {},
pkgs ? import ../.. { inherit system config; }
}:
with import ../lib/testing-python.nix { inherit system pkgs; };
with pkgs.lib;
with import common/ec2.nix { inherit makeTest pkgs; };
let
imageCfg = (import ../lib/eval-config.nix {
inherit system;
modules = [
../maintainers/scripts/ec2/amazon-image.nix
../modules/testing/test-instrumentation.nix
../modules/profiles/qemu-guest.nix
{
# Hack to make the partition resizing work in QEMU.
boot.initrd.postDeviceCommands = mkBefore ''
ln -s vda /dev/xvda
ln -s vda1 /dev/xvda1
'';
# In a NixOS test the serial console is occupied by the "backdoor"
# (see testing/test-instrumentation.nix) and is incompatible with
# the configuration in virtualisation/amazon-image.nix.
systemd.services."serial-getty@ttyS0".enable = mkForce false;
# Needed by nixos-rebuild due to the lack of network
# access. Determined by trial and error.
system.extraDependencies = with pkgs; ( [
# Needed for a nixos-rebuild.
busybox
cloud-utils
desktop-file-utils
libxslt.bin
mkinitcpio-nfs-utils
stdenv
stdenvNoCC
texinfo
unionfs-fuse
xorg.lndir
# These are used in the configure-from-userdata tests
# for EC2. Httpd and valgrind are requested by the
# configuration.
apacheHttpd
apacheHttpd.doc
apacheHttpd.man
valgrind.doc
]);
}
];
}).config;
image = "${imageCfg.system.build.amazonImage}/${imageCfg.amazonImage.name}.vhd";
sshKeys = import ./ssh-keys.nix pkgs;
snakeOilPrivateKey = sshKeys.snakeOilPrivateKey.text;
snakeOilPrivateKeyFile = pkgs.writeText "private-key" snakeOilPrivateKey;
snakeOilPublicKey = sshKeys.snakeOilPublicKey;
in {
boot-ec2-nixops = makeEc2Test {
name = "nixops-userdata";
inherit image;
sshPublicKey = snakeOilPublicKey; # That's right folks! My user's key is also the host key!
userData = ''
SSH_HOST_ED25519_KEY_PUB:${snakeOilPublicKey}
SSH_HOST_ED25519_KEY:${replaceStrings ["\n"] ["|"] snakeOilPrivateKey}
'';
script = ''
machine.start()
machine.wait_for_file("/etc/ec2-metadata/user-data")
machine.wait_for_unit("sshd.service")
machine.succeed("grep unknown /etc/ec2-metadata/ami-manifest-path")
# 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")
machine.copy_from_host_via_shell(
"${snakeOilPrivateKeyFile}", "~/.ssh/id_ed25519"
)
machine.succeed("chmod 600 ~/.ssh/id_ed25519")
# 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 ${snakeOilPublicKey} > ~/.ssh/known_hosts"
)
machine.succeed("ssh -o BatchMode=yes localhost exit")
# Test whether the root disk was resized.
blocks, block_size = map(int, machine.succeed("stat -c %b:%S -f /").split(":"))
GB = 1024 ** 3
assert 9.7 * GB <= blocks * block_size <= 10 * GB
# Just to make sure resizing is idempotent.
machine.shutdown()
machine.start()
machine.wait_for_file("/etc/ec2-metadata/user-data")
'';
};
boot-ec2-config = makeEc2Test {
name = "config-userdata";
meta.broken = true; # amazon-init wants to download from the internet while building the system
inherit image;
sshPublicKey = snakeOilPublicKey;
# ### https://nixos.org/channels/nixos-unstable nixos
userData = ''
{ pkgs, ... }:
{
imports = [
<nixpkgs/nixos/modules/virtualisation/amazon-image.nix>
<nixpkgs/nixos/modules/testing/test-instrumentation.nix>
<nixpkgs/nixos/modules/profiles/qemu-guest.nix>
];
environment.etc.testFile = {
text = "whoa";
};
networking.hostName = "ec2-test-vm"; # required by services.httpd
services.httpd = {
enable = true;
adminAddr = "test@example.org";
virtualHosts.localhost.documentRoot = "''${pkgs.valgrind.doc}/share/doc/valgrind/html";
};
networking.firewall.allowedTCPPorts = [ 80 ];
}
'';
script = ''
machine.start()
# amazon-init must succeed. if it fails, make the test fail
# immediately instead of timing out in wait_for_file.
machine.wait_for_unit("amazon-init.service")
machine.wait_for_file("/etc/testFile")
assert "whoa" in machine.succeed("cat /etc/testFile")
machine.wait_for_unit("httpd.service")
assert "Valgrind" in machine.succeed("curl http://localhost")
'';
};
}