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Add a test for nix copy over ssh

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Check that nix copy can copy stuff, refuses to copy unsigned paths by
default, and doesn't hide the ssh password prompt.
This commit is contained in:
Alexander Bantyev 2023-03-16 13:34:48 +04:00
parent 5291a82cd9
commit 85a2d1d94f
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GPG key ID: 48ABA304F3A30FE9
3 changed files with 89 additions and 2 deletions
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2
flake.nix
View file

@ -577,6 +577,8 @@
tests.nix-copy-closure = runNixOSTestFor "x86_64-linux" ./tests/nixos/nix-copy-closure.nix;
tests.nix-copy = runNixOSTestFor "x86_64-linux" ./tests/nixos/nix-copy.nix;
tests.nssPreload = runNixOSTestFor "x86_64-linux" ./tests/nixos/nss-preload.nix;
tests.githubFlakes = runNixOSTestFor "x86_64-linux" ./tests/nixos/github-flakes.nix;

4
src/libmain/progress-bar.cc
View file

@ -129,6 +129,7 @@ public:
void resume() override {
state_.lock()->paused = false;
writeToStderr("\r\e[K");
state_.lock()->haveUpdate = true;
updateCV.notify_one();
}
@ -350,9 +351,8 @@ public:
{
auto nextWakeup = std::chrono::milliseconds::max();
if (state.paused) return nextWakeup;
state.haveUpdate = false;
if (!state.active) return nextWakeup;
if (state.paused || !state.active) return nextWakeup;
std::string line;

85
tests/nixos/nix-copy.nix Normal file
View file

@ -0,0 +1,85 @@
# Test that ‘nix copy’ works over ssh.
{ lib, config, nixpkgs, hostPkgs, ... }:
let
pkgs = config.nodes.client.nixpkgs.pkgs;
pkgA = pkgs.cowsay;
pkgB = pkgs.wget;
pkgC = pkgs.hello;
pkgD = pkgs.tmux;
in {
name = "nix-copy";
enableOCR = true;
nodes =
{ client =
{ config, lib, pkgs, ... }:
{ virtualisation.writableStore = true;
virtualisation.additionalPaths = [ pkgA pkgD.drvPath ];
nix.settings.substituters = lib.mkForce [ ];
nix.settings.experimental-features = [ "nix-command" ];
services.getty.autologinUser = "root";
};
server =
{ config, pkgs, ... }:
{ services.openssh.enable = true;
services.openssh.permitRootLogin = "yes";
users.users.root.password = "foobar";
virtualisation.writableStore = true;
virtualisation.additionalPaths = [ pkgB pkgC ];
};
};
testScript = { nodes }: ''
# fmt: off
import subprocess
# Create an SSH key on the client.
subprocess.run([
"${pkgs.openssh}/bin/ssh-keygen", "-t", "ed25519", "-f", "key", "-N", ""
], capture_output=True, check=True)
start_all()
server.wait_for_unit("sshd")
client.wait_for_unit("network.target")
client.wait_for_unit("getty@tty1.service")
client.wait_for_text("]#")
# Copy the closure of package A from the client to the server using password authentication,
# and check that all prompts are visible
server.fail("nix-store --check-validity ${pkgA}")
client.send_chars("nix copy --to ssh://server ${pkgA} >&2; echo done\n")
client.wait_for_text("continue connecting")
client.send_chars("yes\n")
client.wait_for_text("Password:")
client.send_chars("foobar\n")
client.wait_for_text("done")
server.succeed("nix-store --check-validity ${pkgA}")
client.copy_from_host("key", "/root/.ssh/id_ed25519")
client.succeed("chmod 600 /root/.ssh/id_ed25519")
# Install the SSH key on the server.
server.copy_from_host("key.pub", "/root/.ssh/authorized_keys")
server.succeed("systemctl restart sshd")
client.succeed(f"ssh -o StrictHostKeyChecking=no {server.name} 'echo hello world'")
# Copy the closure of package B from the server to the client, using ssh-ng.
client.fail("nix-store --check-validity ${pkgB}")
# Shouldn't download untrusted paths by default
client.fail("nix copy --from ssh-ng://server ${pkgB} >&2")
client.succeed("nix copy --no-check-sigs --from ssh-ng://server ${pkgB} >&2")
client.succeed("nix-store --check-validity ${pkgB}")
# Copy the derivation of package D's derivation from the client to the server.
server.fail("nix-store --check-validity ${pkgD.drvPath}")
client.succeed("nix copy --derivation --to ssh://server ${pkgD.drvPath} >&2")
server.succeed("nix-store --check-validity ${pkgD.drvPath}")
'';
}