const rows = document.querySelectorAll("tr[data-path]");

async function poll() {
  for (const row of rows) {
    const dot = row.querySelector(".status");
    try {
      const r = await fetch(`${row.dataset.path}/health`, {
        method: "GET",
        cache: "no-store",
      });
      dot.classList.toggle("ok", r.ok);
      dot.classList.toggle("err", !r.ok);
      dot.setAttribute("aria-label", r.ok ? "ok" : "error");
    } catch {
      dot.classList.remove("ok");
      dot.classList.add("err");
      dot.setAttribute("aria-label", "unreachable");
    }
  }
}

poll();
setInterval(poll, 5000);