feat: show suffix-matched metric coverage in host info threshold table

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-10 09:18:49 -04:00
parent b64a2a9313
commit 9e389736f8
3 changed files with 72 additions and 2 deletions
@@ -143,6 +143,25 @@ def _build_host_info(host, threshold_checker=None) -> dict:
    thresholds = None
    if threshold_checker is not None:
        raw = threshold_checker.get_thresholds_for_host(host.name)
+
+        # Build reverse coverage: which metric paths suffix-match to each threshold.
+        # Mirrors the logic in ThresholdChecker._find_threshold.
+        coverage: dict = {}
+        for plugin_name, samples in host.plugin_data.items():
+            if not samples:
+                continue
+            _, pdata = samples[-1]
+            for field_name in pdata:
+                full_path = f"{plugin_name}.{field_name}"
+                if full_path in raw:
+                    continue  # exact match — the threshold IS this metric
+                parts = field_name.split("_")
+                for i in range(1, len(parts)):
+                    candidate = f"{plugin_name}." + "_".join(parts[i:])
+                    if candidate in raw:
+                        coverage.setdefault(candidate, []).append(full_path)
+                        break
+
        thresholds = sorted(
            [
                {
@@ -150,6 +169,7 @@ def _build_host_info(host, threshold_checker=None) -> dict:
                    "warning": tc.warning,
                    "critical": tc.critical,
                    "operator": tc.operator.value,
+                    "covers": sorted(coverage.get(tc.metric_path, [])),
                }
                for tc in raw.values()
            ],
@@ -411,6 +411,7 @@
    }
    .info-note { color: #888; font-style: italic; }
    .info-loading { color: #bbb; font-style: italic; }
+    .threshold-covers { font-size: 0.85em; color: #777; font-style: italic; }
  </style>

  <body>
@@ -588,8 +589,12 @@
          for (const t of data.thresholds) {
            const w = t.warning  != null ? escHtml(String(t.warning))  : '—';
            const c = t.critical != null ? escHtml(String(t.critical)) : '—';
+            let metricCell = escHtml(t.metric);
+            if (t.covers && t.covers.length > 0) {
+              metricCell += `<br><span class="threshold-covers">↳ ${t.covers.map(escHtml).join(', ')}</span>`;
+            }
            html += `<tr>
-              <td class="key">${escHtml(t.metric)}</td>
+              <td class="key">${metricCell}</td>
              <td>${escHtml(t.operator)}</td>
              <td>${w}</td>
              <td>${c}</td>