5454fdcceb
This highlights a problem caused by SSHMaster::isMasterRunning returning false when NIX_SSHOPTS contains -oControlPath.
105 lines
3.7 KiB
Nix
105 lines
3.7 KiB
Nix
# Test that ‘nix copy’ works over ssh.
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{ lib, config, nixpkgs, hostPkgs, ... }:
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let
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pkgs = config.nodes.client.nixpkgs.pkgs;
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pkgA = pkgs.cowsay;
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pkgB = pkgs.wget;
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pkgC = pkgs.hello;
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pkgD = pkgs.tmux;
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in {
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name = "nix-copy";
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enableOCR = true;
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nodes =
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{ client =
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{ config, lib, pkgs, ... }:
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{ virtualisation.writableStore = true;
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virtualisation.additionalPaths = [ pkgA pkgD.drvPath ];
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nix.settings.substituters = lib.mkForce [ ];
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nix.settings.experimental-features = [ "nix-command" ];
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services.getty.autologinUser = "root";
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programs.ssh.extraConfig = ''
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Host *
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ControlMaster auto
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ControlPath ~/.ssh/master-%h:%r@%n:%p
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ControlPersist 15m
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'';
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};
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server =
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{ config, pkgs, ... }:
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{ services.openssh.enable = true;
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services.openssh.permitRootLogin = "yes";
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users.users.root.password = "foobar";
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virtualisation.writableStore = true;
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virtualisation.additionalPaths = [ pkgB pkgC ];
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};
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};
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testScript = { nodes }: ''
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# fmt: off
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import subprocess
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# Create an SSH key on the client.
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subprocess.run([
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"${pkgs.openssh}/bin/ssh-keygen", "-t", "ed25519", "-f", "key", "-N", ""
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], capture_output=True, check=True)
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start_all()
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server.wait_for_unit("sshd")
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client.wait_for_unit("network.target")
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client.wait_for_unit("getty@tty1.service")
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client.wait_for_text("]#")
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# Copy the closure of package A from the client to the server using password authentication,
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# and check that all prompts are visible
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server.fail("nix-store --check-validity ${pkgA}")
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client.send_chars("nix copy --to ssh://server ${pkgA} >&2; echo done\n")
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client.wait_for_text("continue connecting")
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client.send_chars("yes\n")
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client.wait_for_text("Password:")
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client.send_chars("foobar\n")
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client.wait_for_text("done")
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server.succeed("nix-store --check-validity ${pkgA}")
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# Check that ControlMaster is working
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client.send_chars("nix copy --to ssh://server ${pkgA} >&2; echo done\n")
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client.wait_for_text("done")
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client.copy_from_host("key", "/root/.ssh/id_ed25519")
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client.succeed("chmod 600 /root/.ssh/id_ed25519")
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# Install the SSH key on the server.
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server.copy_from_host("key.pub", "/root/.ssh/authorized_keys")
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server.succeed("systemctl restart sshd")
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client.succeed(f"ssh -o StrictHostKeyChecking=no {server.name} 'echo hello world'")
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client.succeed(f"ssh -O check {server.name}")
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client.succeed(f"ssh -O exit {server.name}")
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client.fail(f"ssh -O check {server.name}")
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# Check that an explicit master will work
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client.succeed(f"ssh -MNfS /tmp/master {server.name}")
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client.succeed(f"ssh -S /tmp/master -O check {server.name}")
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client.succeed("NIX_SSHOPTS='-oControlPath=/tmp/master' nix copy --to ssh://server ${pkgA} >&2")
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client.succeed(f"ssh -S /tmp/master -O exit {server.name}")
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# Copy the closure of package B from the server to the client, using ssh-ng.
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client.fail("nix-store --check-validity ${pkgB}")
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# Shouldn't download untrusted paths by default
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client.fail("nix copy --from ssh-ng://server ${pkgB} >&2")
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client.succeed("nix copy --no-check-sigs --from ssh-ng://server ${pkgB} >&2")
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client.succeed("nix-store --check-validity ${pkgB}")
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# Copy the derivation of package D's derivation from the client to the server.
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server.fail("nix-store --check-validity ${pkgD.drvPath}")
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client.succeed("nix copy --derivation --to ssh://server ${pkgD.drvPath} >&2")
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server.succeed("nix-store --check-validity ${pkgD.drvPath}")
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'';
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}
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