nixpkgs/nixos/tests/cjdns.nix

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let
carolKey = "2d2a338b46f8e4a8c462f0c385b481292a05f678e19a2b82755258cf0f0af7e2";
carolPubKey = "n932l3pjvmhtxxcdrqq2qpw5zc58f01vvjx01h4dtd1bb0nnu2h0.k";
carolPassword = "678287829ce4c67bc8b227e56d94422ee1b85fa11618157b2f591de6c6322b52";
carolIp4 = "192.168.0.9";
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basicConfig =
{ config, pkgs, ... }:
{ services.cjdns.enable = true;
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# Turning off DHCP isn't very realistic but makes
# the sequence of address assignment less stochastic.
networking.useDHCP = false;
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networking.interfaces.eth1.prefixLength = 24;
# CJDNS output is incompatible with the XML log.
systemd.services.cjdns.serviceConfig.StandardOutput = "null";
#networking.firewall.enable = true;
networking.firewall.allowPing = true;
#networking.firewall.rejectPackets = true;
};
in
import ./make-test.nix ({ pkgs, ...} : {
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name = "cjdns";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ ehmry ];
};
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nodes = rec
{ # Alice finds peers over over ETHInterface.
alice =
{ config, ... }:
{ imports = [ basicConfig ];
services.cjdns.ETHInterface.bind = "eth1";
services.httpd.enable = true;
services.httpd.adminAddr = "foo@example.org";
networking.firewall.allowedTCPPorts = [ 80 ];
};
# Bob explicitly connects to Carol over UDPInterface.
bob =
{ config, lib, nodes, ... }:
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let carolIp4 = lib.mkForce nodes.carol.config.networking.interfaces.eth1; in
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{ imports = [ basicConfig ];
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networking.interfaces.eth1.ipAddress = "192.168.0.2";
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services.cjdns =
{ UDPInterface =
{ bind = "0.0.0.0:1024";
connectTo."192.168.0.1:1024" =
{ password = carolPassword;
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publicKey = carolPubKey;
};
};
};
};
# Carol listens on ETHInterface and UDPInterface,
# but knows neither Alice or Bob.
carol =
{ config, lib, nodes, ... }:
let
carolIp4 = (lib.mkForce nodes.carol.config.networking.interfaces.eth1);
in
{ imports = [ basicConfig ];
environment.etc."cjdns.keys".text = ''
CJDNS_PRIVATE_KEY=${carolKey}
CJDNS_ADMIN_PASSWORD=FOOBAR
'';
networking.interfaces.eth1.ipAddress = "192.168.0.1";
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services.cjdns =
{ authorizedPasswords = [ carolPassword ];
ETHInterface.bind = "eth1";
UDPInterface.bind = "192.168.0.1:1024";
};
networking.firewall.allowedUDPPorts = [ 1024 ];
};
};
testScript =
''
startAll;
$alice->waitForUnit("cjdns.service");
$bob->waitForUnit("cjdns.service");
$carol->waitForUnit("cjdns.service");
sub cjdnsIp {
my ($machine) = @_;
my $ip = (split /[ \/]+/, $machine->succeed("ip -o -6 addr show dev tun0"))[3];
$machine->log("has ip $ip");
return $ip;
}
my $aliceIp6 = cjdnsIp $alice;
my $bobIp6 = cjdnsIp $bob;
my $carolIp6 = cjdnsIp $carol;
# ping a few times each to let the routing table establish itself
$alice->succeed("ping -c 4 $carolIp6");
$bob->succeed("ping -c 4 $carolIp6");
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$carol->succeed("ping -c 4 $aliceIp6");
$carol->succeed("ping -c 4 $bobIp6");
$alice->succeed("ping -c 4 $bobIp6");
$bob->succeed("ping -c 4 $aliceIp6");
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$alice->waitForUnit("httpd.service");
$bob->succeed("curl --fail -g http://[$aliceIp6]");
'';
})