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Add a statistics pane to the webhook page (closes #368)
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Each webhook's event database keeps running totals: one row for its
events, with when the newest arrived, and one row per target for its
deliveries, delivered and failed, each with what retention removed.
Every write to them shares the transaction of the rows it counts, and
a delivery already delivered or failed is not settled again.
Deliveries get a finished_at column; it and target_id end the status
index, so each target's deliveries finished in a window come from one
index-range query grouped by target. Retention deletes 1000 expired
events per transaction, pausing 200 ms between them so other writers
get in, and stops between them on shutdown. The pane is its own
template, its figures in tables.

The schema changes in place with nothing back-filled, so an existing
database must be recreated.

Model: opus-5-5
This commit is contained in:
clawbot
2026-10-02 03:14:45 +00:00
parent bfdbc937c6
commit 88c9a000e4
23 changed files with 2072 additions and 118 deletions
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templates/source_detail.html
+2
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@@ -24,6 +24,8 @@
</div>
</div>
{{template "webhook_stats" .}}
<div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
<!-- Entrypoints -->
<div class="card">
templates/webhook_stats.html
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@@ -0,0 +1,95 @@
{{define "webhook_stats"}}
<!-- Statistics pane at the top of the webhook page. -->
<div class="card mb-6">
<div class="p-4 border-b border-gray-200">
<h2 class="text-lg font-medium text-gray-900">Statistics</h2>
</div>
{{with .Stats}}
<div class="p-4 flex flex-wrap gap-6 text-sm border-b border-gray-200">
<div>
<span class="text-gray-500">Entrypoints</span>
<span class="font-medium text-gray-900">{{.Entrypoints}}</span>
<span class="text-gray-500">({{.ActiveEntrypoints}} active)</span>
</div>
<div>
<span class="text-gray-500">Targets</span>
<span class="font-medium text-gray-900">{{.Targets}}</span>
<span class="text-gray-500">({{.ActiveTargets}} active)</span>
</div>
<div>
<span class="text-gray-500">Deliveries in progress</span>
<span class="font-medium text-gray-900">{{.InProgress}}</span>
</div>
<div>
<span class="text-gray-500">Last event</span>
<span class="font-medium text-gray-900">{{with .LastEventAt}}{{.UTC.Format "2006-01-02 15:04:05 UTC"}}{{else}}none{{end}}</span>
</div>
<div>
<span class="text-gray-500">Retention</span>
<span class="font-medium text-gray-900">{{$.Webhook.RetentionLabel}}</span>
</div>
</div>
<div class="p-4 grid grid-cols-1 lg:grid-cols-2 gap-6 text-sm">
<div>
<table class="w-full text-center text-gray-900">
<thead>
<tr class="border-b border-gray-200 text-xs text-gray-500 uppercase tracking-wide">
<th></th>
<th class="py-2 font-medium">Lifetime</th>
<th class="py-2 font-medium">Within retention</th>
</tr>
</thead>
<tbody>
<tr>
<td class="py-2 text-left text-gray-600">Events</td>
<td class="py-2">{{.Lifetime.Events}}</td>
<td class="py-2">{{.WithinRetention.Events}}</td>
</tr>
<tr>
<td class="py-2 text-left text-gray-600">Deliveries</td>
<td class="py-2">{{.Lifetime.Deliveries}}</td>
<td class="py-2">{{.WithinRetention.Deliveries}}</td>
</tr>
<tr>
<td class="py-2 text-left text-gray-600">Failures</td>
<td class="py-2">{{.Lifetime.Failures}}</td>
<td class="py-2">{{.WithinRetention.Failures}}</td>
</tr>
</tbody>
</table>
</div>
<div>
<table class="w-full text-center text-gray-900">
<thead>
<tr class="border-b border-gray-200 text-xs text-gray-500 uppercase tracking-wide">
<th></th>
<th class="py-2 font-medium">Last 10 minutes</th>
<th class="py-2 font-medium">Last 24 hours</th>
</tr>
</thead>
<tbody>
<tr>
<td class="py-2 text-left text-gray-600">Events</td>
<td class="py-2">{{.Last10Minutes.Events}}</td>
<td class="py-2">{{.Last24Hours.Events}}</td>
</tr>
<tr>
<td class="py-2 text-left text-gray-600">Failures</td>
<td class="py-2">{{.Last10Minutes.Failed}}</td>
<td class="py-2">{{.Last24Hours.Failed}}</td>
</tr>
<tr>
<td class="py-2 text-left text-gray-600">Failure percentage</td>
<td class="py-2">{{.Last10Minutes.FailurePercent}}</td>
<td class="py-2">{{.Last24Hours.FailurePercent}}</td>
</tr>
</tbody>
</table>
<p class="mt-2 text-xs text-gray-500">Failure percentage is the failed deliveries out of all deliveries that finished in the window. Deliveries still pending or retrying are not counted.</p>
</div>
</div>
{{else}}
<div class="p-4 text-sm text-gray-500">The statistics could not be read.</div>
{{end}}
</div>
{{end}}