nixpkgs/nixos/tests/smokeping.nix

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

    nodes = {
      sm =
        { ... }:
        {
          networking.domain = "example.com"; # FQDN: sm.example.com
          services.smokeping = {
            enable = true;
            mailHost = "127.0.0.2";
            probeConfig = ''
              + FPing
              binary = /run/wrappers/bin/fping
              offset = 0%
            '';
          };
        };
    };

    testScript = ''
      start_all()
      sm.wait_for_unit("smokeping")
      sm.wait_for_unit("nginx")
      sm.wait_for_file("/var/lib/smokeping/data/Local/LocalMachine.rrd")
      sm.succeed("curl -s -f localhost/smokeping.fcgi?target=Local")
      # Check that there's a helpful page without explicit path as well.
      sm.succeed("curl -s -f localhost")
      sm.succeed("ls /var/lib/smokeping/cache/Local/LocalMachine_mini.png")
      sm.succeed("ls /var/lib/smokeping/cache/index.html")

      # stop and start the service like nixos-rebuild would do
      # see https://github.com/NixOS/nixpkgs/issues/265953)
      sm.succeed("systemctl stop smokeping")
      sm.succeed("systemctl start smokeping")
      # ensure all services restarted properly
      sm.succeed("systemctl --failed | grep -q '0 loaded units listed'")
    '';
  }
)