nixpkgs/nixos/tests/cjdns.nix

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let
carolKey = "2d2a338b46f8e4a8c462f0c385b481292a05f678e19a2b82755258cf0f0af7e2";
carolPubKey = "n932l3pjvmhtxxcdrqq2qpw5zc58f01vvjx01h4dtd1bb0nnu2h0.k";
carolPassword = "678287829ce4c67bc8b227e56d94422ee1b85fa11618157b2f591de6c6322b52";
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basicConfig =
{ ... }:
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{ 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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# CJDNS output is incompatible with the XML log.
systemd.services.cjdns.serviceConfig.StandardOutput = "null";
};
in
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import ./make-test-python.nix ({ pkgs, ...} : {
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name = "cjdns";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ ehmry ];
};
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nodes = { # Alice finds peers over over ETHInterface.
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alice =
{ ... }:
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{ 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 =
{ ... }:
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{ imports = [ basicConfig ];
networking.interfaces.eth1.ipv4.addresses = [
{ address = "192.168.0.2"; prefixLength = 24; }
];
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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 =
{ ... }:
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{ imports = [ basicConfig ];
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environment.etc."cjdns.keys".text = ''
CJDNS_PRIVATE_KEY=${carolKey}
CJDNS_ADMIN_PASSWORD=FOOBAR
'';
networking.interfaces.eth1.ipv4.addresses = [
{ address = "192.168.0.1"; prefixLength = 24; }
];
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services.cjdns =
{ authorizedPasswords = [ carolPassword ];
ETHInterface.bind = "eth1";
UDPInterface.bind = "192.168.0.1:1024";
};
networking.firewall.allowedUDPPorts = [ 1024 ];
};
};
testScript =
''
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import re
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start_all()
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alice.wait_for_unit("cjdns.service")
bob.wait_for_unit("cjdns.service")
carol.wait_for_unit("cjdns.service")
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def cjdns_ip(machine):
res = machine.succeed("ip -o -6 addr show dev tun0")
ip = re.split("\s+|/", res)[3]
machine.log("has ip {}".format(ip))
return ip
alice_ip6 = cjdns_ip(alice)
bob_ip6 = cjdns_ip(bob)
carol_ip6 = cjdns_ip(carol)
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# ping a few times each to let the routing table establish itself
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alice.succeed("ping -c 4 {}".format(carol_ip6))
bob.succeed("ping -c 4 {}".format(carol_ip6))
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carol.succeed("ping -c 4 {}".format(alice_ip6))
carol.succeed("ping -c 4 {}".format(bob_ip6))
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alice.succeed("ping -c 4 {}".format(bob_ip6))
bob.succeed("ping -c 4 {}".format(alice_ip6))
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alice.wait_for_unit("httpd.service")
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bob.succeed("curl --fail -g http://[{}]".format(alice_ip6))
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'';
})