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feat(settings): configurable monitoring thresholds
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Move the hardcoded warn/crit cutoffs into Settings -> Thresholds (DB-backed,
live, no restart). New thresholds.* keys + to_thresholds_cfg() + a
threshold_style(value, kind) jinja global that reads them; latency reuses the
existing ping good/warn keys, uptime is direction-aware (floors).

Replace the _macros metric_style/uptime_style macros (now removed) with the
global across Hosts-Overview, host_agent fleet + panel, Uptime/SLA widget, and
the ping page uptime column — all now honor the configured cutoffs. Uptime keeps
its green 'good' look when not degraded.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Bryan Van Deusen
2026-06-17 20:52:58 -04:00
parent eefa38cc75
commit 591706bd39
11 changed files with 187 additions and 50 deletions
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steward/templates/hosts/overview_widget.html
+5 -6
View File
@@ -1,7 +1,6 @@
{# Unified Hosts widget — monitor status + agent glance per host, links to the hub.
Name sits on its own line (never truncated); its data wraps beneath it, grouped
under the host. Prefer vertical growth over cramming a row. #}
{% from "_macros.html" import metric_style, uptime_style %}
{% if hosts %}
<div class="host-blocks">
{% for host in hosts %}
@@ -27,15 +26,15 @@
<div style="display:flex;flex-wrap:wrap;gap:0.25rem 0.9rem;margin-top:0.25rem;padding-left:1.1rem;
font-variant-numeric:tabular-nums;color:var(--text-muted);font-size:0.75rem;">
{% if host.ping_enabled and ping and ping.response_time_ms is not none %}
<span title="Ping latency" style="{{ metric_style(ping.response_time_ms, warn=100, crit=250) }}"><span style="color:var(--text-dim);">ping</span> {{ "%.0f"|format(ping.response_time_ms) }}ms</span>
<span title="Ping latency" style="{{ threshold_style(ping.response_time_ms, 'latency') }}"><span style="color:var(--text-dim);">ping</span> {{ "%.0f"|format(ping.response_time_ms) }}ms</span>
{% endif %}
{% if ut.get('24h') is not none %}
<span title="Uptime 24h" style="{{ uptime_style(ut['24h']) }}"><span style="color:var(--text-dim);">24h</span> {{ "%.1f"|format(ut['24h']) }}%</span>
<span title="Uptime 24h" style="{{ threshold_style(ut['24h'], 'uptime') }}"><span style="color:var(--text-dim);">24h</span> {{ "%.1f"|format(ut['24h']) }}%</span>
{% endif %}
{% if a %}
{% if a.get('cpu_pct') is not none %}<span title="CPU — value + last-hour trend" style="display:inline-flex;align-items:center;gap:0.3rem;{{ metric_style(a.cpu_pct) }}"><span style="color:var(--text-dim);">cpu</span> {{ "%.0f"|format(a.cpu_pct) }}%{% if spark %}<span style="line-height:0;opacity:0.85;">{{ spark | safe }}</span>{% endif %}</span>{% endif %}
{% if a.get('mem_used_pct') is not none %}<span title="Memory" style="{{ metric_style(a.mem_used_pct) }}"><span style="color:var(--text-dim);">mem</span> {{ "%.0f"|format(a.mem_used_pct) }}%</span>{% endif %}
{% if a.get('disk_root') is not none %}<span title="Root filesystem (/)" style="{{ metric_style(a.disk_root) }}"><span style="color:var(--text-dim);">disk /</span> {{ "%.0f"|format(a.disk_root) }}%</span>{% endif %}
{% if a.get('cpu_pct') is not none %}<span title="CPU — value + last-hour trend" style="display:inline-flex;align-items:center;gap:0.3rem;{{ threshold_style(a.cpu_pct, 'cpu') }}"><span style="color:var(--text-dim);">cpu</span> {{ "%.0f"|format(a.cpu_pct) }}%{% if spark %}<span style="line-height:0;opacity:0.85;">{{ spark | safe }}</span>{% endif %}</span>{% endif %}
{% if a.get('mem_used_pct') is not none %}<span title="Memory" style="{{ threshold_style(a.mem_used_pct, 'mem') }}"><span style="color:var(--text-dim);">mem</span> {{ "%.0f"|format(a.mem_used_pct) }}%</span>{% endif %}
{% if a.get('disk_root') is not none %}<span title="Root filesystem (/)" style="{{ threshold_style(a.disk_root, 'disk') }}"><span style="color:var(--text-dim);">disk /</span> {{ "%.0f"|format(a.disk_root) }}%</span>{% endif %}
{% if not a.fresh %}<span title="Agent data is stale" style="color:var(--yellow);">stale</span>{% endif %}
{% else %}
<span style="color:var(--text-dim);" title="No agent reporting">no agent</span>