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tests/nat: Use switch-to-configuration in test case

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Markus Mueller 2017-08-03 17:57:43 +00:00 committed by Robin Gloster
parent 53d2f0980d
commit 1793c96be2
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1 changed files with 39 additions and 20 deletions
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59
nixos/tests/nat.nix
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@ -6,6 +6,20 @@
import ./make-test.nix ({ pkgs, lib, withFirewall, withConntrackHelpers ? false, ... }:
let
unit = if withFirewall then "firewall" else "nat";
routerBase =
lib.mkMerge [
{ virtualisation.vlans = [ 2 1 ];
networking.firewall.enable = withFirewall;
networking.firewall.allowPing = true;
networking.nat.internalIPs = [ "192.168.1.0/24" ];
networking.nat.externalInterface = "eth1";
}
(lib.optionalAttrs withConntrackHelpers {
networking.firewall.connectionTrackingModules = [ "ftp" ];
networking.firewall.autoLoadConntrackHelpers = true;
})
];
in
{
name = "nat" + (if withFirewall then "WithFirewall" else "Standalone")
@ -30,20 +44,16 @@ import ./make-test.nix ({ pkgs, lib, withFirewall, withConntrackHelpers ? false,
];
router =
{ config, pkgs, ... }:
lib.mkMerge [
{ virtualisation.vlans = [ 2 1 ];
networking.firewall.enable = withFirewall;
networking.firewall.allowPing = true;
networking.nat.enable = true;
networking.nat.internalIPs = [ "192.168.1.0/24" ];
networking.nat.externalInterface = "eth1";
}
(lib.optionalAttrs withConntrackHelpers {
networking.firewall.connectionTrackingModules = [ "ftp" ];
networking.firewall.autoLoadConntrackHelpers = true;
})
];
{ config, pkgs, ... }: lib.mkMerge [
routerBase
{ networking.nat.enable = true; }
];
routerDummyNoNat =
{ config, pkgs, ... }: lib.mkMerge [
routerBase
{ networking.nat.enable = false; }
];
server =
{ config, pkgs, ... }:
@ -57,9 +67,13 @@ import ./make-test.nix ({ pkgs, lib, withFirewall, withConntrackHelpers ? false,
};
testScript =
{ nodes, ... }:
''
startAll;
{ nodes, ... }: let
routerDummyNoNatClosure = nodes.routerDummyNoNat.config.system.build.toplevel;
routerClosure = nodes.router.config.system.build.toplevel;
in ''
$client->start;
$router->start;
$server->start;
# The router should have access to the server.
$server->waitForUnit("network.target");
@ -87,13 +101,18 @@ import ./make-test.nix ({ pkgs, lib, withFirewall, withConntrackHelpers ? false,
$router->succeed("ping -c 1 client >&2");
# If we turn off NAT, the client shouldn't be able to reach the server.
$router->succeed("iptables -t nat -D PREROUTING -j nixos-nat-pre");
$router->succeed("iptables -t nat -D POSTROUTING -j nixos-nat-post");
$router->succeed("${routerDummyNoNatClosure}/bin/switch-to-configuration test 2>&1");
# FIXME: this should not be necessary, but nat.service is not started because
# network.target is not triggered
# (https://github.com/NixOS/nixpkgs/issues/16230#issuecomment-226408359)
${lib.optional (!withFirewall) ''
$router->succeed("systemctl start nat.service");
''}
$client->fail("curl --fail --connect-timeout 5 http://server/ >&2");
$client->fail("ping -c 1 server >&2");
# And make sure that reloading the NAT job works.
$router->succeed("systemctl restart ${unit}");
$router->succeed("${routerClosure}/bin/switch-to-configuration test 2>&1");
$client->succeed("curl --fail http://server/ >&2");
$client->succeed("ping -c 1 server >&2");
'';