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feat: add Threshold Configurations section to settings page

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Reads threshold_configs (or legacy thresholds) from config and renders
per-named-config tables showing metric path, operator, warning/critical
values, hysteresis, and count. Disabled entries are dimmed.

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Andreas Wrede
2026-05-02 14:30:31 -04:00
parent 28e2180f7b
commit 49fa310361
2 changed files with 106 additions and 0 deletions
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hbd/server/settings.py
+52
View File
@@ -181,6 +181,48 @@ def get_settings_sections(config: dict) -> list:
"notification_channels": attrs.get("notification_channels", []),
})
# ---- Threshold configurations -----------------------------------------
def _parse_metric_row(metric_path, metric_cfg):
if not isinstance(metric_cfg, dict):
return None
return {
"metric": metric_path,
"operator": metric_cfg.get("operator", ">"),
"warning": metric_cfg.get("warning"),
"critical": metric_cfg.get("critical"),
"hysteresis": metric_cfg.get("hysteresis"),
"count": metric_cfg.get("count", 1),
"enabled": metric_cfg.get("enabled", True),
}
threshold_config_list = []
raw_tconfigs = config.get("threshold_configs") or {}
if raw_tconfigs:
for cfg_name, cfg_data in sorted(raw_tconfigs.items()):
if not isinstance(cfg_data, dict):
continue
metrics = [
r for r in (
_parse_metric_row(mp, mc)
for mp, mc in (cfg_data.get("thresholds") or {}).items()
) if r
]
threshold_config_list.append({
"name": cfg_name,
"metrics": sorted(metrics, key=lambda m: m["metric"]),
})
elif config.get("thresholds"):
metrics = [
r for r in (
_parse_metric_row(mp, mc)
for mp, mc in config["thresholds"].items()
) if r
]
threshold_config_list.append({
"name": "default",
"metrics": sorted(metrics, key=lambda m: m["metric"]),
})
# ---- Hosts summary ----------------------------------------------------
hosts_list = []
for hname, hcfg in (config.get("hosts") or {}).items():
@@ -312,6 +354,16 @@ def get_settings_sections(config: dict) -> list:
"hosts": hosts_list,
"fields": [],
},
{
"id": "thresholds",
"title": "Threshold Configurations",
"description": "Named alert threshold sets. Each defines warning/critical levels per metric.",
"threshold_configs": threshold_config_list,
"fields": [
field("default_threshold_config", "Default config", "text",
"Threshold config used for hosts with no explicit mapping."),
],
},
{
"id": "runtime",
"title": "Runtime",
hbd/server/templates/settings.html
+54
View File
@@ -254,6 +254,17 @@
.host-bool { text-align: center; }
.dot-yes { color: #2e7d32; font-size: 1.1em; }
.dot-no { color: #ddd; font-size: 1.1em; }
/* ---- Threshold configurations ---- */
.thresh-config { margin: 12px 20px 20px; }
.thresh-config-name {
font-weight: 600; font-size: 0.9em; color: #1a237e;
margin-bottom: 6px;
}
.mini-table .warn { color: #e65100; font-weight: 600; }
.mini-table .crit { color: #b71c1c; font-weight: 600; }
.mini-table .dim { color: #aaa; }
.mini-table .metric-path { font-family: monospace; font-size: 0.88em; }
</style>
<body>
@@ -394,6 +405,49 @@
{% endif %}
{% endif %}
{# ---- Threshold configurations section ---- #}
{% if section.id == "thresholds" %}
{% if section.threshold_configs %}
{% for tc in section.threshold_configs %}
<div class="thresh-config">
<div class="thresh-config-name">{{ tc.name }}</div>
{% if tc.metrics %}
<div style="overflow-x: auto;">
<table class="mini-table">
<thead>
<tr>
<th>Metric</th>
<th>Op</th>
<th>Warning</th>
<th>Critical</th>
<th>Hysteresis</th>
<th>Count</th>
</tr>
</thead>
<tbody>
{% for m in tc.metrics %}
<tr {% if not m.enabled %} style="opacity:0.45"{% endif %}>
<td class="metric-path">{{ m.metric }}</td>
<td>{{ m.operator or '>' }}</td>
<td class="warn">{{ m.warning if m.warning is not none else '—' }}</td>
<td class="crit">{{ m.critical if m.critical is not none else '—' }}</td>
<td class="dim">{{ '%.0f%%' % (m.hysteresis * 100) if m.hysteresis else '—' }}</td>
<td class="dim">{{ m.count }}</td>
</tr>
{% endfor %}
</tbody>
</table>
</div>
{% else %}
<span class="val-empty">No thresholds defined.</span>
{% endif %}
</div>
{% endfor %}
{% else %}
<div class="field-row"><span class="val-empty">No threshold configurations defined.</span></div>
{% endif %}
{% endif %}
{# ---- Hosts section ---- #}
{% if section.id == "hosts" %}
{% if section.hosts %}