nixpkgs/nixos/tests/tmate-ssh-server.nix

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import ./make-test-python.nix ({ pkgs, lib, ... }:
let
inherit (import ./ssh-keys.nix pkgs)
snakeOilPrivateKey snakeOilPublicKey;
setUpPrivateKey = name: ''
${name}.succeed(
"mkdir -p /root/.ssh",
"chown 700 /root/.ssh",
"cat '${snakeOilPrivateKey}' > /root/.ssh/id_snakeoil",
"chown 600 /root/.ssh/id_snakeoil",
)
${name}.wait_for_file("/root/.ssh/id_snakeoil")
'';
sshOpts = "-oStrictHostKeyChecking=no -oUserKnownHostsFile=/dev/null -oIdentityFile=/root/.ssh/id_snakeoil";
in
{
name = "tmate-ssh-server";
nodes =
{
server = { ... }: {
services.tmate-ssh-server = {
enable = true;
port = 2223;
};
};
client = { ... }: {
environment.systemPackages = [ pkgs.tmate ];
services.openssh.enable = true;
users.users.root.openssh.authorizedKeys.keys = [ snakeOilPublicKey ];
};
client2 = { ... }: {
environment.systemPackages = [ pkgs.openssh ];
};
};
testScript = ''
start_all()
server.wait_for_unit("tmate-ssh-server.service")
server.wait_for_open_port(2223)
server.wait_for_file("/etc/tmate-ssh-server-keys/ssh_host_ed25519_key.pub")
server.wait_for_file("/etc/tmate-ssh-server-keys/ssh_host_rsa_key.pub")
server.succeed("tmate-client-config > /tmp/tmate.conf")
server.wait_for_file("/tmp/tmate.conf")
${setUpPrivateKey "server"}
client.wait_for_unit("sshd.service")
client.wait_for_open_port(22)
server.succeed("scp ${sshOpts} /tmp/tmate.conf client:/tmp/tmate.conf")
client.wait_for_file("/tmp/tmate.conf")
client.send_chars("root\n")
client.sleep(2)
client.send_chars("tmate -f /tmp/tmate.conf\n")
client.sleep(2)
client.send_chars("q")
client.sleep(2)
client.send_chars("tmate display -p '#{tmate_ssh}' > /tmp/ssh_command\n")
client.wait_for_file("/tmp/ssh_command")
ssh_cmd = client.succeed("cat /tmp/ssh_command")
client2.succeed("mkdir -p ~/.ssh; ssh-keyscan -p 2223 server > ~/.ssh/known_hosts")
client2.send_chars("root\n")
client2.sleep(2)
client2.send_chars(ssh_cmd.strip() + "\n")
client2.sleep(2)
client2.send_chars("touch /tmp/client_2\n")
client.wait_for_file("/tmp/client_2")
'';
})