nginx-status-page.nix

import ./make-test-python.nix ({ pkgs, ... }: {
  name = "nginx-status-page";
  meta = with pkgs.lib.maintainers; {
    maintainers = [ h7x4 ];
  };

  nodes = {
    webserver = { ... }: {
      virtualisation.vlans = [ 1 ];

      networking = {
        useNetworkd = true;
        useDHCP = false;
        firewall.enable = false;
      };

      systemd.network.networks."01-eth1" = {
        name = "eth1";
        networkConfig.Address = "10.0.0.1/24";
      };

      services.nginx = {
        enable = true;
        statusPage = true;
        virtualHosts."localhost".locations."/index.html".return = "200 'hello world\n'";
      };

      environment.systemPackages = with pkgs; [ curl ];
    };

    client = { ... }: {
      virtualisation.vlans = [ 1 ];

      networking = {
        useNetworkd = true;
        useDHCP = false;
        firewall.enable = false;
      };

      systemd.network.networks."01-eth1" = {
        name = "eth1";
        networkConfig.Address = "10.0.0.2/24";
      };

      environment.systemPackages = with pkgs; [ curl ];
    };
  };

  testScript = { nodes, ... }: ''
    start_all()

    webserver.wait_for_unit("nginx")
    webserver.wait_for_open_port(80)

    def expect_http_code(node, code, url):
        http_code = node.succeed(f"curl -w '%{{http_code}}' '{url}'")
        assert http_code.split("\n")[-1].strip() == code, \
          f"expected {code} but got following response:\n{http_code}"

    with subtest("localhost can access status page"):
        expect_http_code(webserver, "200", "http://localhost/nginx_status")

    with subtest("localhost can access other page"):
        expect_http_code(webserver, "200", "http://localhost/index.html")

    with subtest("client can not access status page"):
        expect_http_code(client, "403", "http://10.0.0.1/nginx_status")

    with subtest("client can access other page"):
        expect_http_code(client, "200", "http://10.0.0.1/index.html")
  '';
})