80 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
# Test of IPv6 functionality in NixOS, including whether router
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# solicication/advertisement using radvd works.
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import ./make-test.nix ({ pkgs, ...} : {
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  name = "ipv6";
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  meta = with pkgs.stdenv.lib.maintainers; {
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    maintainers = [ eelco chaoflow ];
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  };
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  nodes =
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    { client = { config, pkgs, ... }: { };
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      server =
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        { config, pkgs, ... }:
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        { services.httpd.enable = true;
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          services.httpd.adminAddr = "foo@example.org";
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          networking.firewall.allowedTCPPorts = [ 80 ];
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        };
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      router =
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        { config, pkgs, ... }:
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        { services.radvd.enable = true;
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          services.radvd.config =
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            ''
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              interface eth1 {
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                AdvSendAdvert on;
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                # ULA prefix (RFC 4193).
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                prefix fd60:cc69:b537:1::/64 { };
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              };
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            '';
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        };
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    };
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  testScript =
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    ''
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      # Start the router first so that it respond to router solicitations.
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      $router->waitForUnit("radvd");
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      startAll;
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      $client->waitForUnit("network.target");
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      $server->waitForUnit("network.target");
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      $server->waitForUnit("httpd.service");
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      # Wait until the given interface has a non-tentative address of
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      # the desired scope (i.e. has completed Duplicate Address
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      # Detection).
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      sub waitForAddress {
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          my ($machine, $iface, $scope) = @_;
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          $machine->waitUntilSucceeds("[ `ip -o -6 addr show dev $iface scope $scope | grep -v tentative | wc -l` -eq 1 ]");
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          my $ip = (split /[ \/]+/, $machine->succeed("ip -o -6 addr show dev $iface scope $scope"))[3];
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          $machine->log("$scope address on $iface is $ip");
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          return $ip;
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      }
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      subtest "loopback address", sub {
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          $client->succeed("ping6 -c 1 ::1 >&2");
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          $client->fail("ping6 -c 1 ::2 >&2");
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      };
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      subtest "local link addressing", sub {
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          my $clientIp = waitForAddress $client, "eth1", "link";
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          my $serverIp = waitForAddress $server, "eth1", "link";
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          $client->succeed("ping6 -c 1 -I eth1 $clientIp >&2");
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          $client->succeed("ping6 -c 1 -I eth1 $serverIp >&2");
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      };
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      subtest "global addressing", sub {
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          my $clientIp = waitForAddress $client, "eth1", "global";
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          my $serverIp = waitForAddress $server, "eth1", "global";
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          $client->succeed("ping6 -c 1 $clientIp >&2");
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          $client->succeed("ping6 -c 1 $serverIp >&2");
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          $client->succeed("curl --fail -g http://[$serverIp]");
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          $client->fail("curl --fail -g http://[$clientIp]");
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      };
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      # TODO: test reachability of a machine on another network.
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    '';
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})
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