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abe218950c
You can now run a test in the nixos/tests directory directly using nix-build, e.g. $ nix-build '<nixos/tests/login.nix>' -A test This gets rid of having to add the test to nixos/tests/default.nix. (Of course, you still need to add it to nixos/release.nix if you want Hydra to run the test.)
79 lines
2.6 KiB
Nix
79 lines
2.6 KiB
Nix
# This is a simple distributed test involving a topology with two
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# separate virtual networks - the "inside" and the "outside" - with a
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# client on the inside network, a server on the outside network, and a
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# router connected to both that performs Network Address Translation
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# for the client.
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import ./make-test.nix {
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nodes =
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{ client =
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{ config, pkgs, nodes, ... }:
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{ virtualisation.vlans = [ 1 ];
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networking.firewall.allowPing = true;
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networking.defaultGateway =
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nodes.router.config.networking.interfaces.eth2.ipAddress;
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};
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router =
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{ config, pkgs, ... }:
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{ virtualisation.vlans = [ 2 1 ];
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networking.firewall.allowPing = true;
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networking.nat.enable = true;
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networking.nat.internalIPs = [ "192.168.1.0/24" ];
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networking.nat.externalInterface = "eth1";
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};
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server =
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{ config, pkgs, ... }:
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{ virtualisation.vlans = [ 2 ];
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networking.firewall.enable = false;
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services.httpd.enable = true;
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services.httpd.adminAddr = "foo@example.org";
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services.vsftpd.enable = true;
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services.vsftpd.anonymousUser = true;
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};
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};
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testScript =
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{ nodes, ... }:
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''
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startAll;
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# The router should have access to the server.
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$server->waitForUnit("network.target");
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$server->waitForUnit("httpd");
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$router->waitForUnit("network.target");
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$router->succeed("curl --fail http://server/ >&2");
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# The client should be also able to connect via the NAT router.
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$router->waitForUnit("nat");
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$client->waitForUnit("network.target");
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$client->succeed("curl --fail http://server/ >&2");
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$client->succeed("ping -c 1 server >&2");
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# Test whether passive FTP works.
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$server->waitForUnit("vsftpd");
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$server->succeed("echo Hello World > /home/ftp/foo.txt");
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$client->succeed("curl -v ftp://server/foo.txt >&2");
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# Test whether active FTP works.
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$client->succeed("curl -v -P - ftp://server/foo.txt >&2");
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# Test ICMP.
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$client->succeed("ping -c 1 router >&2");
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$router->succeed("ping -c 1 client >&2");
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# If we turn off NAT, the client shouldn't be able to reach the server.
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$router->stopJob("nat");
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$client->fail("curl --fail --connect-timeout 5 http://server/ >&2");
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$client->fail("ping -c 1 server >&2");
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# And make sure that restarting the NAT job works.
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$router->succeed("systemctl start nat");
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$client->succeed("curl --fail http://server/ >&2");
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$client->succeed("ping -c 1 server >&2");
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'';
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}
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