nixpkgs/nixos/tests/guix/publish.nix
2024-01-19 00:11:34 -08:00

96 lines
3 KiB
Nix

# Testing out the substitute server with two machines in a local network. As a
# bonus, we'll also test a feature of the substitute server being able to
# advertise its service to the local network with Avahi.
import ../make-test-python.nix ({ pkgs, lib, ... }: let
publishPort = 8181;
inherit (builtins) toString;
in {
name = "guix-publish";
meta.maintainers = with lib.maintainers; [ foo-dogsquared ];
nodes = let
commonConfig = { config, ... }: {
# We'll be using '--advertise' flag with the
# substitute server which requires Avahi.
services.avahi = {
enable = true;
nssmdns4 = true;
publish = {
enable = true;
userServices = true;
};
};
};
in {
server = { config, lib, pkgs, ... }: {
imports = [ commonConfig ];
services.guix = {
enable = true;
publish = {
enable = true;
port = publishPort;
generateKeyPair = true;
extraArgs = [ "--advertise" ];
};
};
networking.firewall.allowedTCPPorts = [ publishPort ];
};
client = { config, lib, pkgs, ... }: {
imports = [ commonConfig ];
services.guix = {
enable = true;
extraArgs = [
# Force to only get all substitutes from the local server. We don't
# have anything in the Guix store directory and we cannot get
# anything from the official substitute servers anyways.
"--substitute-urls='http://server.local:${toString publishPort}'"
# Enable autodiscovery of the substitute servers in the local
# network. This machine shouldn't need to import the signing key from
# the substitute server since it is automatically done anyways.
"--discover=yes"
];
};
};
};
testScript = ''
import pathlib
start_all()
scripts_dir = pathlib.Path("/etc/guix/scripts")
for machine in machines:
machine.wait_for_unit("multi-user.target")
machine.wait_for_unit("guix-daemon.service")
machine.wait_for_unit("avahi-daemon.service")
server.wait_for_unit("guix-publish.service")
server.wait_for_open_port(${toString publishPort})
server.succeed("curl http://localhost:${toString publishPort}/")
# Now it's the client turn to make use of it.
substitute_server = "http://server.local:${toString publishPort}"
client.systemctl("start network-online.target")
client.wait_for_unit("network-online.target")
response = client.succeed(f"curl {substitute_server}")
assert "Guix Substitute Server" in response
# Authorizing the server to be used as a substitute server.
client.succeed(f"curl -O {substitute_server}/signing-key.pub")
client.succeed("guix archive --authorize < ./signing-key.pub")
# Since we're using the substitute server with the `--advertise` flag, we
# might as well check it.
client.succeed("avahi-browse --resolve --terminate _guix_publish._tcp | grep '_guix_publish._tcp'")
'';
})