nixpkgs/nixos/tests/graylog.nix

import ./make-test-python.nix (
  { pkgs, lib, ... }:
  {
    name = "graylog";
    meta.maintainers = [ ];

    nodes.machine =
      { pkgs, ... }:
      {
        virtualisation.memorySize = 4096;
        virtualisation.diskSize = 1024 * 6;

        services.mongodb.enable = true;
        services.elasticsearch.enable = true;
        services.elasticsearch.extraConf = ''
          network.publish_host: 127.0.0.1
          network.bind_host: 127.0.0.1
        '';

        services.graylog = {
          enable = true;
          passwordSecret = "YGhZ59wXMrYOojx5xdgEpBpDw2N6FbhM4lTtaJ1KPxxmKrUvSlDbtWArwAWMQ5LKx1ojHEVrQrBMVRdXbRyZLqffoUzHfssc";
          elasticsearchHosts = [ "http://localhost:9200" ];

          # `echo -n "nixos" | shasum -a 256`
          rootPasswordSha2 = "6ed332bcfa615381511d4d5ba44a293bb476f368f7e9e304f0dff50230d1a85b";
        };

        environment.systemPackages = [ pkgs.jq ];

        systemd.services.graylog.path = [ pkgs.netcat ];
        systemd.services.graylog.preStart = ''
          until nc -z localhost 9200; do
            sleep 2
          done
        '';
      };

    testScript =
      let
        payloads.login = pkgs.writeText "login.json" (
          builtins.toJSON {
            host = "127.0.0.1:9000";
            username = "admin";
            password = "nixos";
          }
        );

        payloads.input = pkgs.writeText "input.json" (
          builtins.toJSON {
            title = "Demo";
            global = false;
            type = "org.graylog2.inputs.gelf.udp.GELFUDPInput";
            node = "@node@";
            configuration = {
              bind_address = "0.0.0.0";
              decompress_size_limit = 8388608;
              number_worker_threads = 1;
              override_source = null;
              port = 12201;
              recv_buffer_size = 262144;
            };
          }
        );

        payloads.gelf_message = pkgs.writeText "gelf.json" (
          builtins.toJSON {
            host = "example.org";
            short_message = "A short message";
            full_message = "A long message";
            version = "1.1";
            level = 5;
            facility = "Test";
          }
        );
      in
      ''
        machine.start()
        machine.wait_for_unit("graylog.service")

        machine.wait_until_succeeds(
          "journalctl -o cat -u graylog.service | grep 'Started REST API at <127.0.0.1:9000>'"
        )

        machine.wait_for_open_port(9000)
        machine.succeed("curl -sSfL http://127.0.0.1:9000/")

        machine.wait_until_succeeds(
          "journalctl -o cat -u graylog.service | grep 'Graylog server up and running'"
        )

        session = machine.succeed(
            "curl -X POST "
            + "-sSfL http://127.0.0.1:9000/api/system/sessions "
            + "-d $(cat ${payloads.login}) "
            + "-H 'Content-Type: application/json' "
            + "-H 'Accept: application/json' "
            + "-H 'x-requested-by: cli' "
            + "| jq .session_id | xargs echo"
        ).rstrip()

        machine.succeed(
            "curl -X POST "
            + f"-sSfL http://127.0.0.1:9000/api/system/inputs -u {session}:session "
            + '-d $(cat ${payloads.input} | sed -e "s,@node@,$(cat /var/lib/graylog/server/node-id),") '
            + "-H 'Accept: application/json' "
            + "-H 'Content-Type: application/json' "
            + "-H 'x-requested-by: cli' "
        )

        machine.wait_until_succeeds(
          "journalctl -o cat -u graylog.service | grep -E 'Input \[GELF UDP/Demo/[[:alnum:]]{24}\] is now RUNNING'"
        )

        machine.wait_until_succeeds(
            "test \"$(curl -sSfL 'http://127.0.0.1:9000/api/cluster/inputstates' "
            + f"-u {session}:session "
            + "-H 'Accept: application/json' "
            + "-H 'Content-Type: application/json' "
            + "-H 'x-requested-by: cli'"
            + "| jq 'to_entries[]|.value|.[0]|.state' | xargs echo"
            + ')" = "RUNNING"'
        )

        machine.succeed(
            "echo -n $(cat ${payloads.gelf_message}) | nc -w10 -u 127.0.0.1 12201"
        )

        machine.succeed(
            'test "$(curl -X GET '
            + "-sSfL 'http://127.0.0.1:9000/api/search/universal/relative?query=*' "
            + f"-u {session}:session "
            + "-H 'Accept: application/json' "
            + "-H 'Content-Type: application/json' "
            + "-H 'x-requested-by: cli'"
            + ' | jq \'.total_results\' | xargs echo)" = "1"'
        )
      '';
  }
)