nixpkgs/nixos/tests/containers-portforward.nix

# Test for NixOS' container support.

let
  hostIp = "192.168.0.1";
  hostPort = 10080;
  containerIp = "192.168.0.100";
  containerPort = 80;
in

import ./make-test-python.nix ({ pkgs, ...} : {
  name = "containers-portforward";
  meta = with pkgs.stdenv.lib.maintainers; {
    maintainers = [ aristid aszlig eelco kampfschlaefer ianwookim ];
  };

  machine =
    { pkgs, ... }:
    { imports = [ ../modules/installer/cd-dvd/channel.nix ];
      virtualisation.writableStore = true;
      virtualisation.memorySize = 768;

      containers.webserver =
        { privateNetwork = true;
          hostAddress = hostIp;
          localAddress = containerIp;
          forwardPorts = [ { protocol = "tcp"; hostPort = hostPort; containerPort = containerPort; } ];
          config =
            { services.httpd.enable = true;
              services.httpd.adminAddr = "foo@example.org";
              networking.firewall.allowedTCPPorts = [ 80 ];
            };
        };

      virtualisation.pathsInNixDB = [ pkgs.stdenv ];
    };

  testScript =
    ''
      container_list = machine.succeed("nixos-container list")
      assert "webserver" in container_list

      # Start the webserver container.
      machine.succeed("nixos-container start webserver")

      # wait two seconds for the container to start and the network to be up
      machine.sleep(2)

      # Since "start" returns after the container has reached
      # multi-user.target, we should now be able to access it.
      # ip = machine.succeed("nixos-container show-ip webserver").strip()
      machine.succeed("ping -n -c1 ${hostIp}")
      machine.succeed("curl --fail http://${hostIp}:${toString hostPort}/ > /dev/null")

      # Stop the container.
      machine.succeed("nixos-container stop webserver")
      machine.fail("curl --fail --connect-timeout 2 http://${hostIp}:${toString hostPort}/ > /dev/null")

      # Destroying a declarative container should fail.
      machine.fail("nixos-container destroy webserver")
    '';

})