FabledSteward/steward/templates/monitors/detail.html

{% extends "base.html" %}
{% from "_macros.html" import crumbs, page_header, stat_tile %}
{# One monitor: its state and for how long, latency and uptime against
   Settings → Thresholds (latency against its own normal once it has one,
   with its anomalies), its response time over the last day, its last
   checks, the failures behind them and how it is set up. #}
{% block title %}{{ monitor.name }} — Monitors — Steward{% endblock %}
{% block breadcrumb %}{{ crumbs([("Monitors", "/monitors/"), (monitor.name, "")]) }}{% endblock %}
{% block content %}
{% set can_edit = session.user_role in ['operator', 'admin'] %}
{% call page_header(monitor.name, (monitor.type|monitor_type) ~ " · " ~ monitor.target) %}
  {% if can_edit %}
  <a class="btn btn-sm btn-ghost" href="/monitors/{{ monitor.id }}/edit">Edit</a>
  <form method="post" action="/monitors/{{ monitor.id }}/toggle">{{ csrf_field() }}
    <button type="submit" class="btn btn-sm btn-ghost">{{ "Pause" if monitor.enabled else "Resume" }}</button>
  </form>
  <form method="post" action="/monitors/{{ monitor.id }}/delete" data-confirm="Delete monitor {{ monitor.name }}? Its check history goes with it.">{{ csrf_field() }}
    <button type="submit" class="btn btn-sm btn-danger">Delete</button>
  </form>
  {% endif %}
{% endcall %}

<div class="stat-strip">
  {% set since_hint = ((("for at least " if since_at_least else "for ") ~ (since|ago|striptags|replace(" ago", ""))) if since and state in ("up", "down", "degraded") else none) %}
  {{ stat_tile("State", status_info(state)[1], state=state, hint=since_hint) }}
  {% if latest and latest.response_ms is not none %}
  {{ stat_tile("Latency", "%.0f ms"|format(latest.response_ms), state=latency[0], hint=latency[1]) }}
  {% endif %}
  {% for window in ("24h", "7d", "30d") %}
  {% set pct = uptime.get(window) %}
  {{ stat_tile("Uptime " ~ window, "%.2f%%"|format(pct) if pct is not none else "—", state=status_class(pct, "uptime")) }}
  {% endfor %}
  {% if tls_days is not none %}
  {{ stat_tile("TLS certificate", "expired" if tls_days < 0 else (tls_days|round|int) ~ " days", state="crit" if tls_days < 0 else status_class(tls_days, "tls_days")) }}
  {% endif %}
</div>

{% with back="/monitors/" ~ monitor.id, base_resource=monitor.name %}{% include "_anomaly_card.html" %}{% endwith %}

{% set timed = history | selectattr("ms", "ne", none) | list %}
{% if timed|length > 1 %}
<section class="card" aria-labelledby="m-chart">
  <h2 id="m-chart" class="section-title">Response time · last 24h</h2>
  <div style="position:relative;height:180px;" id="m-chart-box">
    <canvas id="m-chart-canvas" aria-label="Response time over the last 24 hours, failed checks in red"></canvas>
  </div>
  <p class="field-hint">Average per {{ ((24 * 60) // 96) }} minutes, your local time. Red bars mark failed checks.</p>
</section>
<script>
(function () {
  var box = document.getElementById("m-chart-box"), ctx = document.getElementById("m-chart-canvas");
  if (!window.Chart) { box.innerHTML = '<p class="field-hint">The chart library didn\'t load.</p>'; return; }
  var pts = {{ history | tojson }};
  var hhmm = function (ms) { return new Date(ms).toLocaleTimeString([], { hour: "2-digit", minute: "2-digit" }); };
  var maxMs = Math.max.apply(null, pts.map(function (p) { return p.ms || 0; }));
  var chart = new Chart(ctx.getContext("2d"), {
    data: {
      labels: pts.map(function (p) { return p.at; }),
      datasets: [
        { type: "line", label: "Response (ms)", data: pts.map(function (p) { return p.ms; }),
          borderColor: stewardColor("--blue"), backgroundColor: stewardColor("--blue-dim"), fill: true,
          tension: 0.3, pointRadius: 0, borderWidth: 1.5, spanGaps: false, yAxisID: "y" },
        { type: "bar", label: "Failed checks", data: pts.map(function (p) { return p.down ? maxMs : null; }),
          backgroundColor: stewardColor("--red"), barPercentage: 1, categoryPercentage: 1, yAxisID: "y" },
      ],
    },
    options: {
      responsive: true, maintainAspectRatio: false, animation: false,
      interaction: { mode: "index", intersect: false },
      plugins: {
        legend: { display: false },
        tooltip: { callbacks: {
          title: function (items) { return items.length ? hhmm(pts[items[0].dataIndex].at) : ""; },
          label: function (item) {
            var p = pts[item.dataIndex];
            return item.datasetIndex === 0 ? (p.ms == null ? "no response time" : p.ms + " ms")
                                           : p.down + " failed check" + (p.down === 1 ? "" : "s");
          },
        } },
      },
      scales: {
        x: { ticks: { font: { size: 10 }, maxRotation: 0, autoSkip: true, maxTicksLimit: 8,
                      callback: function (v) { return hhmm(pts[v].at); } }, grid: { display: false } },
        y: { min: 0, ticks: { font: { size: 10 } }, title: { display: true, text: "ms", font: { size: 9 } } },
      },
    },
  });
  setTimeout(function () { if (ctx.isConnected) { chart.resize(); chart.update("none"); } }, 250);
})();
</script>
{% endif %}

<section class="card" aria-labelledby="m-checks">
  <h2 id="m-checks" class="section-title">Last 30 checks</h2>
  {% if heartbeat %}
  <div class="ping-pills mon-pills" style="margin:0.5rem 0;">
    {% for _ in range([30 - heartbeat|length, 0]|max) %}<span class="pill pill-empty" title="No data"></span>{% endfor %}
    {% for h in heartbeat %}<span class="pill pill-{{ h.state }}" title="{{ h.title }}"></span>{% endfor %}
  </div>
  <p class="field-hint">Newest on the right; hover one for its result.{% if latest %} Last checked {{ latest.checked_at|ago }}.{% endif %}</p>
  {% else %}
  <p class="field-hint">{{ "Not checked yet. The first check runs on the next scheduler tick." if monitor.enabled else "Paused, and never checked." }}</p>
  {% endif %}
</section>

<section class="card" aria-labelledby="m-failures">
  <h2 id="m-failures" class="section-title">Recent failures</h2>
  {% if failures %}
  <table class="table">
    <thead><tr><th>When</th><th>Error</th>{% if monitor.type == "http" %}<th>Status</th>{% endif %}</tr></thead>
    <tbody>
      {% for f in failures %}
      <tr>
        <td style="white-space:nowrap;">{{ f.checked_at|ago }}</td>
        <td style="overflow-wrap:anywhere;">{{ f.error_msg or "Down" }}</td>
        {% if monitor.type == "http" %}<td>{{ f.status_code or "—" }}</td>{% endif %}
      </tr>
      {% endfor %}
    </tbody>
  </table>
  {% else %}
  <p class="field-hint">No failed checks on record.</p>
  {% endif %}
</section>

<section class="card" aria-labelledby="m-config">
  <h2 id="m-config" class="section-title">Settings</h2>
  <dl class="kv">
    <dt>Type</dt><dd>{{ monitor.type|monitor_type }}</dd>
    <dt>Target</dt><dd style="overflow-wrap:anywhere;">{{ monitor.target }}</dd>
    <dt>Checked every</dt>
    <dd>{% if monitor.check_interval_seconds %}{{ monitor.check_interval_seconds|duration }}{% else %}{{ poll_interval|duration }} <span class="tone-dim">(the global interval, Settings)</span>{% endif %}</dd>
    {% if host %}<dt>Host</dt><dd><a href="/hosts/{{ host.id }}">{{ host.name }}</a></dd>{% endif %}
    {% for key, value in monitor.config.items() %}
    {% if value not in (none, "", {}) %}
    <dt>{{ field_label(key) }}</dt>
    <dd style="overflow-wrap:anywhere;">{{ value|join(", ") if value is mapping else ("yes" if value is sameas true else ("no" if value is sameas false else value)) }}</dd>
    {% endif %}
    {% endfor %}
    {% if monitor.type == "dns" and not monitor.config.get("resolver") %}
    <dt>Resolver</dt><dd>the container's own (its resolv.conf)</dd>
    {% endif %}
  </dl>
</section>
{% endblock %}