nixpkgs/nixos/tests/munin.nix

# This test runs basic munin setup with node and cron job running on the same
# machine.

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

  nodes = {
    one =
      { config, ... }:
        {
          services = {
            munin-node = {
              enable = true;
              # disable a failing plugin to prevent irrelevant error message, see #23049
              disabledPlugins = [ "apc_nis" ];
            };
            munin-cron = {
             enable = true;
             hosts = ''
               [${config.networking.hostName}]
               address localhost
             '';
            };
          };

          # increase the systemd timer interval so it fires more often
          systemd.timers.munin-cron.timerConfig.OnCalendar = pkgs.lib.mkForce "*:*:0/10";
        };
    };

  testScript = ''
    start_all()

    with subtest("ensure munin-node starts and listens on 4949"):
        one.wait_for_unit("munin-node.service")
        one.wait_for_open_port(4949)

    with subtest("ensure munin-cron output is correct"):
        one.wait_for_file("/var/lib/munin/one/one-uptime-uptime-g.rrd")
        one.wait_for_file("/var/www/munin/one/index.html")
        one.wait_for_file("/var/www/munin/one/one/diskstat_iops_vda-day.png", timeout=60)
  '';
})