bvandeusenandClaude Opus 5.5
b8f73270e7
The dashboard's host widgets took 18-60 s. Every "latest reading" query (hosts overview, host-agent fleet, host page, vitals, SNMP, MCP get_host) searched plugin_metrics for the newest row per metric. Postgres has no skip scan, so each one read every raw sample in the 7-day window. - plugin_metric_latest: one row per (source, resource, metric). record_metrics upserts it in the same transaction, moving forward only and in sorted key order. Migration 0030 seeds it by stepping the existing index. - Retention drops a latest row once its sample leaves the raw window, so a resource that stopped reporting disappears when its history does, as before. Renames carry it along. - A quiet host keeps its last values, marked stale. A time-bounded query would have shown it as missing. - Vitals sparklines span the 6 h they claim, averaged in SQL to ~120 points, instead of fetching 6 h raw and drawing the last 120 samples. - Dashboard and share-view cells: "Loading…" until the first answer; a 20 s deadline per fetch; "Couldn't load (why)" with Retry now and an automatic retry for cells that don't poll; "as of HH:MM" in the header, and "couldn't refresh · as of" when a refresh fails over shown data. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
29 lines
1.6 KiB
HTML
29 lines
1.6 KiB
HTML
{# One dashboard widget as a Gridstack item — shared by index.html (initial render)
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and the add-widget endpoint (single-item insert). Edit chrome (drag handle +
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remove) is in the DOM only for editors and shown via body.dash-editing CSS. #}
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<div class="grid-stack-item" gs-id="{{ item.db.id }}"
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gs-x="{{ item.db.grid_x }}" gs-y="{{ item.db.grid_y }}"
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gs-w="{{ item.db.grid_w }}" gs-h="{{ item.db.grid_h }}">
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<div class="grid-stack-item-content">
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<div class="widget-header">
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<span style="display:flex;align-items:center;gap:0.4rem;min-width:0;">
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{% if can_edit %}<span class="panel-chrome panel-drag" title="Drag to move">⠿</span>{% endif %}
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<span class="widget-title" title="{{ item.title }}">{{ item.title }}</span>
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</span>
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<span style="display:flex;align-items:center;gap:0.5rem;flex-shrink:0;">
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<span class="widget-asof" aria-live="polite"></span>
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<a href="{{ item.defn.detail_url }}" class="widget-link">Details →</a>
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{% if can_edit %}<button type="button" class="panel-chrome btn btn-danger btn-sm"
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data-remove="{{ item.db.id }}" title="Remove widget"
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style="padding:0.05rem 0.4rem;line-height:1.3;">✕</button>{% endif %}
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</span>
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</div>
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<div class="dash-cell-body" id="widget-{{ item.db.id }}"
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hx-get="{{ item.hx_url }}"
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hx-trigger="load, retry{% if item.defn.poll %}, every {{ poll_interval }}s{% endif %}"
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hx-request='{"timeout": 20000}'
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data-poll="{{ '1' if item.defn.poll else '0' }}"
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hx-swap="innerHTML"><div class="cell-state">Loading…</div></div>
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</div>
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</div>
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