volumen/internal/web/templates/update.html

{{define "title"}}{{ tr "Updated to" }} {{ .Target }} · {{ tr "Volumen admin" }}{{end}}
{{define "content"}}
<div class="empty narrow">
  <svg aria-hidden="true"><use href="/admin/assets/graphis.svg#refresh"></use></svg>
  <h1>{{ tr "Updated to" }} {{ .Target }}</h1>
  <p class="empty__note" id="update-status" role="status">{{ tr "The server is restarting. This page will reload automatically." }}</p>
  <div class="spinner" aria-hidden="true"></div>
</div>

<script nonce="{{ .CSPNonce }}">
  /* Wait for the engine to come back by polling its own health endpoint,
     never by a guessed delay. */
  (() => {
    const status = document.getElementById("update-status");
    let attempts = 0;
    const timer = setInterval(async () => {
      attempts += 1;
      try {
        const response = await fetch("/healthz", { cache: "no-store" });
        if (response.ok) {
          clearInterval(timer);
          status.textContent = window.__("update.reload");
          setTimeout(() => { window.location.href = "/admin/"; }, 500);
          return;
        }
      } catch (error) { /* still down */ }
      if (attempts > 60) {
        clearInterval(timer);
        status.textContent = window.__("update.gaveup");
      }
    }, 3000);
  })();
</script>
{{end}}