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let
aliceIp6 = "202:b70:9b0b:cf34:f93c:8f18:bbfd:7034";
aliceKeys = {
PublicKey = "3e91ec9e861960d86e1ce88051f97c435bdf2859640ab681dfa906eb45ad5182";
PrivateKey = "a867f9e078e4ce58d310cf5acd4622d759e2a21df07e1d6fc380a2a26489480d3e91ec9e861960d86e1ce88051f97c435bdf2859640ab681dfa906eb45ad5182";
};
bobIp6 = "202:a483:73a4:9f2d:a559:4a19:bc9:8458";
bobPrefix = "302:a483:73a4:9f2d";
bobConfig = {
InterfacePeers = {
eth1 = [ "tcp://192.168.1.200:12345" ];
};
MulticastInterfaces = [ "eth1" ];
LinkLocalTCPPort = 54321;
PublicKey = "2b6f918b6c1a4b54d6bcde86cf74e074fb32ead4ee439b7930df2aa60c825186";
PrivateKey = "0c4a24acd3402722ce9277ed179f4a04b895b49586493c25fbaed60653d857d62b6f918b6c1a4b54d6bcde86cf74e074fb32ead4ee439b7930df2aa60c825186";
};
danIp6 = bobPrefix + "::2";
in import ./make-test-python.nix ({ pkgs, ...} : {
name = "yggdrasil";
meta = with pkgs.lib.maintainers; {
maintainers = [ gazally ];
};
nodes = rec {
# Alice is listening for peerings on a specified port,
# but has multicast peering disabled. Alice has part of her
# yggdrasil config in Nix and part of it in a file.
alice =
{ ... }:
{
networking = {
interfaces.eth1.ipv4.addresses = [{
address = "192.168.1.200";
prefixLength = 24;
}];
firewall.allowedTCPPorts = [ 80 12345 ];
};
services.httpd.enable = true;
services.httpd.adminAddr = "foo@example.org";
services.yggdrasil = {
enable = true;
config = {
Listen = ["tcp://0.0.0.0:12345"];
MulticastInterfaces = [ ];
};
configFile = toString (pkgs.writeTextFile {
name = "yggdrasil-alice-conf";
text = builtins.toJSON aliceKeys;
});
};
};
# Bob is set up to peer with Alice, and also to do local multicast
# peering. Bob's yggdrasil config is in a file.
bob =
{ ... }:
{
networking.firewall.allowedTCPPorts = [ 54321 ];
services.yggdrasil = {
enable = true;
openMulticastPort = true;
configFile = toString (pkgs.writeTextFile {
name = "yggdrasil-bob-conf";
text = builtins.toJSON bobConfig;
});
};
boot.kernel.sysctl."net.ipv6.conf.all.forwarding" = 1;
networking = {
bridges.br0.interfaces = [ ];
interfaces.br0 = {
ipv6.addresses = [{
address = bobPrefix + "::1";
prefixLength = 64;
}];
};
};
# dan is a node inside a container running on bob's host.
containers.dan = {
autoStart = true;
privateNetwork = true;
hostBridge = "br0";
config = { config, pkgs, ... }: {
networking.interfaces.eth0.ipv6 = {
addresses = [{
address = bobPrefix + "::2";
prefixLength = 64;
}];
routes = [{
address = "200::";
prefixLength = 7;
via = bobPrefix + "::1";
}];
};
services.httpd.enable = true;
services.httpd.adminAddr = "foo@example.org";
networking.firewall.allowedTCPPorts = [ 80 ];
};
};
};
# Carol only does local peering. Carol's yggdrasil config is all Nix.
carol =
{ ... }:
{
networking.firewall.allowedTCPPorts = [ 43210 ];
services.yggdrasil = {
enable = true;
denyDhcpcdInterfaces = [ "ygg0" ];
config = {
IfTAPMode = true;
IfName = "ygg0";
MulticastInterfaces = [ "eth1" ];
LinkLocalTCPPort = 43210;
};
persistentKeys = true;
};
};
};
testScript =
''
import re
# Give Alice a head start so she is ready when Bob calls.
alice.start()
alice.wait_for_unit("yggdrasil.service")
bob.start()
carol.start()
bob.wait_for_unit("default.target")
carol.wait_for_unit("yggdrasil.service")
ip_addr_show = "ip -o -6 addr show dev ygg0 scope global"
carol.wait_until_succeeds(f"[ `{ip_addr_show} | grep -v tentative | wc -l` -ge 1 ]")
carol_ip6 = re.split(" +|/", carol.succeed(ip_addr_show))[3]
# If Alice can talk to Carol, then Bob's outbound peering and Carol's
# local peering have succeeded and everybody is connected.
alice.wait_until_succeeds(f"ping -c 1 {carol_ip6}")
alice.succeed("ping -c 1 ${bobIp6}")
bob.succeed("ping -c 1 ${aliceIp6}")
bob.succeed(f"ping -c 1 {carol_ip6}")
carol.succeed("ping -c 1 ${aliceIp6}")
carol.succeed("ping -c 1 ${bobIp6}")
carol.succeed("ping -c 1 ${bobPrefix}::1")
carol.succeed("ping -c 8 ${danIp6}")
carol.fail("journalctl -u dhcpcd | grep ygg0")
alice.wait_for_unit("httpd.service")
carol.succeed("curl --fail -g http://[${aliceIp6}]")
carol.succeed("curl --fail -g http://[${danIp6}]")
'';
})
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