113 lines
4 KiB
Nix
113 lines
4 KiB
Nix
# This test runs a Bittorrent tracker on one machine, and verifies
|
|
# that two client machines can download the torrent using
|
|
# `transmission'. The first client (behind a NAT router) downloads
|
|
# from the initial seeder running on the tracker. Then we kill the
|
|
# initial seeder. The second client downloads from the first client,
|
|
# which only works if the first client successfully uses the UPnP-IGD
|
|
# protocol to poke a hole in the NAT.
|
|
|
|
import ./make-test.nix ({ pkgs, ... }:
|
|
|
|
let
|
|
|
|
# Some random file to serve.
|
|
file = pkgs.nixUnstable.src;
|
|
|
|
miniupnpdConf = nodes: pkgs.writeText "miniupnpd.conf"
|
|
''
|
|
ext_ifname=eth1
|
|
listening_ip=${(pkgs.lib.head nodes.router.config.networking.interfaces.eth2.ip4).address}/24
|
|
allow 1024-65535 192.168.2.0/24 1024-65535
|
|
'';
|
|
|
|
in
|
|
|
|
{
|
|
name = "bittorrent";
|
|
|
|
nodes =
|
|
{ tracker =
|
|
{ config, pkgs, ... }:
|
|
{ environment.systemPackages = [ pkgs.transmission pkgs.opentracker ];
|
|
|
|
# We need Apache on the tracker to serve the torrents.
|
|
services.httpd.enable = true;
|
|
services.httpd.adminAddr = "foo@example.org";
|
|
services.httpd.documentRoot = "/tmp";
|
|
|
|
networking.firewall.enable = false; # FIXME: figure out what ports we actually need
|
|
};
|
|
|
|
router =
|
|
{ config, pkgs, ... }:
|
|
{ environment.systemPackages = [ pkgs.miniupnpd ];
|
|
virtualisation.vlans = [ 1 2 ];
|
|
networking.nat.enable = true;
|
|
networking.nat.internalInterfaces = [ "eth2" ];
|
|
networking.nat.externalInterface = "eth1";
|
|
networking.firewall.enable = false;
|
|
};
|
|
|
|
client1 =
|
|
{ config, pkgs, nodes, ... }:
|
|
{ environment.systemPackages = [ pkgs.transmission ];
|
|
virtualisation.vlans = [ 2 ];
|
|
networking.defaultGateway =
|
|
(pkgs.lib.head nodes.router.config.networking.interfaces.eth2.ip4).address;
|
|
networking.firewall.enable = false;
|
|
};
|
|
|
|
client2 =
|
|
{ config, pkgs, ... }:
|
|
{ environment.systemPackages = [ pkgs.transmission ];
|
|
networking.firewall.enable = false;
|
|
};
|
|
};
|
|
|
|
testScript =
|
|
{ nodes, ... }:
|
|
''
|
|
startAll;
|
|
|
|
# Enable NAT on the router and start miniupnpd.
|
|
$router->waitForUnit("nat");
|
|
$router->succeed(
|
|
"iptables -w -t nat -N MINIUPNPD",
|
|
"iptables -w -t nat -A PREROUTING -i eth1 -j MINIUPNPD",
|
|
"echo 1 > /proc/sys/net/ipv4/ip_forward",
|
|
"miniupnpd -f ${miniupnpdConf nodes}"
|
|
);
|
|
|
|
# Create the torrent.
|
|
$tracker->succeed("mkdir /tmp/data");
|
|
$tracker->succeed("cp ${file} /tmp/data/test.tar.bz2");
|
|
$tracker->succeed("transmission-create /tmp/data/test.tar.bz2 -t http://${(pkgs.lib.head nodes.tracker.config.networking.interfaces.eth1.ip4).address}:6969/announce -o /tmp/test.torrent");
|
|
$tracker->succeed("chmod 644 /tmp/test.torrent");
|
|
|
|
# Start the tracker. !!! use a less crappy tracker
|
|
$tracker->waitForUnit("network.target");
|
|
$tracker->succeed("opentracker -p 6969 >&2 &");
|
|
$tracker->waitForOpenPort(6969);
|
|
|
|
# Start the initial seeder.
|
|
my $pid = $tracker->succeed("transmission-cli /tmp/test.torrent -M -w /tmp/data >&2 & echo \$!");
|
|
|
|
# Now we should be able to download from the client behind the NAT.
|
|
$tracker->waitForUnit("httpd");
|
|
$client1->waitForUnit("network.target");
|
|
$client1->succeed("transmission-cli http://tracker/test.torrent -w /tmp >&2 &");
|
|
$client1->waitForFile("/tmp/test.tar.bz2");
|
|
$client1->succeed("cmp /tmp/test.tar.bz2 ${file}");
|
|
|
|
# Bring down the initial seeder.
|
|
$tracker->succeed("kill -9 $pid");
|
|
|
|
# Now download from the second client. This can only succeed if
|
|
# the first client created a NAT hole in the router.
|
|
$client2->waitForUnit("network.target");
|
|
$client2->succeed("transmission-cli http://tracker/test.torrent -M -w /tmp >&2 &");
|
|
$client2->waitForFile("/tmp/test.tar.bz2");
|
|
$client2->succeed("cmp /tmp/test.tar.bz2 ${file}");
|
|
'';
|
|
|
|
})
|