llmgw/internal/web/templates/dashboard.html

{{define "dashboard"}}<!doctype html>
<html lang="en"><head>
<meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
<noscript><meta http-equiv="refresh" content="{{.RefreshSec}}"></noscript>
<script src="/_static/htmx-2.0.11.min.js"></script>
<title>llmgw — cluster</title><link rel="stylesheet" href="{{stylesheet}}">
</head><body><div class="wrap">
<header>
  <h1>Cluster</h1>
  <p class="sub">{{.NodeCount}} nodes · {{.ReadyReplicas}} of {{.TotalReplicas}} replicas ready · {{.ModelCount}} models</p>
  {{if .OnAdminListener}}<nav>
    <a href="/metrics">metrics</a>
    <a href="/debug/pprof/">pprof</a>
    <a href="/api/v1/nodes">api</a>
</nav>{{else}}{{template "nav" .Menu}}{{end}}
</header>

{{/* The page refreshes this part in place rather than reloading: a reload
     every few seconds threw away the scroll position of anyone reading the
     bottom of it. Paused while the tab is hidden. Without script, the meta
     refresh in the head does the old thing. */}}
<div id="live" hx-get="{{if .OnAdminListener}}/{{else}}/admin{{end}}" hx-trigger="every {{.RefreshSec}}s [document.visibilityState === 'visible']" hx-select="#live" hx-swap="outerHTML">
{{if .HasCharts}}
<div class="tiles">
  <div class="tile"><div class="v">{{.Requests24h}}</div><div class="k">requests · 24h</div>{{.RequestSpark}}</div>
  <div class="tile"><div class="v">{{compact .Tokens24h}}</div><div class="k">tokens · 24h</div>{{.TokenSpark}}</div>
  <div class="tile"><div class="v">{{.Errors24h}}</div><div class="k">errors · 24h</div></div>
  <div class="tile"><div class="v">{{units .Spend24h}}</div><div class="k">spend · 24h</div></div>
</div>
{{end}}

<h2>Capacity</h2>
{{if .Summary.GPUs}}
<table><tr><th>Class</th><th class="num">In use</th><th class="num">Free</th><th class="num">Faulty</th><th>Usage</th></tr>
{{range .Summary.GPUs}}<tr>
  <td><code>{{.Class}}</code></td>
  <td class="num">{{.Used}}/{{.Total}}</td>
  <td class="num">{{.Free}}</td>
  <td class="num">{{if .Unhealthy}}<span class="bad">{{.Unhealthy}}</span>{{else}}—{{end}}</td>
  <td class="meter"><span style="width:{{pct .Used .Total}}%"></span><em>{{pct .Used .Total}}%</em></td>
</tr>{{end}}</table>
{{else if .CPU.Nodes}}
{{/* No GPUs is not no capacity: a CPU fleet still has memory and disk,
     which is what decides what it can hold. */}}
<div class="capacity-cpu">
  <div><b>{{.CPU.Ready}}/{{.CPU.Nodes}}</b> <span>nodes ready · CPU only</span></div>
  <div><b>{{.CPU.MemoryGB}} GB</b> <span>memory</span></div>
  {{if .CPU.DiskTotal}}<div><b>{{.CPU.DiskFreeGB}} of {{.CPU.DiskTotal}} GB</b> <span>free for weights</span></div>{{end}}
</div>
{{else}}<p class="empty">No nodes have registered.</p>{{end}}

<h2>Nodes</h2>
{{if .Nodes}}
<table class="nodes rows"><tr><th>Node</th><th>State</th><th>CPU</th><th>RAM</th>{{if .AnyGPUs}}<th class="num">GPUs</th>{{end}}<th class="num">Disk</th><th>Engines</th>{{if .AnyClasses}}<th>Classes</th>{{end}}{{if .AnyFabrics}}<th>Fabrics</th>{{end}}<th class="num">Models</th><th class="num">Replicas</th><th>Seen</th></tr>
{{range .Nodes}}<tr>
  <td><a href="{{if $.OnAdminListener}}/nodes/{{.ID}}{{else}}/admin/nodes/{{.ID}}{{end}}" title="{{.ID}}"><code>{{shortNode .ID $.NodePrefix}}</code></a>{{if .MgmtAddr}} <span class="note">{{.MgmtAddr}}</span>{{end}}
    <a class="note" href="{{if $.OnAdminListener}}/nodes/{{.ID}}/logs{{else}}/admin/nodes/{{.ID}}/logs{{end}}">logs</a></td>
  <td class="state state-{{.State}}">{{.State}}</td>
  {{/* A dash, not an empty bar, when the agent has not measured it lately:
       unknown is not idle. */}}
  <td class="load">{{with .Load}}{{template "minibar" pctbar .CPUPercent}}<span class="load-v">{{printf "%.0f" .CPUPercent}}%{{if .CPUs}} <span class="note">of {{.CPUs}}</span>{{end}}</span>{{else}}—{{end}}</td>
  <td class="load">{{with .Load}}{{template "minibar" pctbar .MemPercent}}<span class="load-v">{{bytes .MemUsed}} <span class="note">of {{bytes .MemTotal}}</span></span>{{else}}{{if .MemoryGB}}{{.MemoryGB}}G{{else}}—{{end}}{{end}}</td>
  {{if $.AnyGPUs}}<td class="num">{{if .GPUTotal}}{{.GPUFree}}/{{.GPUTotal}}{{else}}—{{end}}</td>{{end}}
  {{/* Free out of total, because the first is meaningless without the
       second, and an em dash where nothing was reported: an agent that
       was never asked about its disk must not read as a full one. */}}
  <td class="num">{{if .DiskTotalGB}}{{.DiskFreeGB}}G/{{.DiskTotalGB}}G{{else}}—{{end}}</td>
  <td>{{if .Engines}}{{join .Engines}}{{else}}<span class="note">none yet</span>{{end}}</td>
  {{if $.AnyClasses}}<td>{{join .Classes}}</td>{{end}}
  {{if $.AnyFabrics}}<td>{{join .Fabrics}}</td>{{end}}
  <td class="num">{{if .Models}}{{len .Models}}{{else}}—{{end}}</td>
  <td class="num">{{.Replicas}}</td>
  <td>{{or .LastSeenAgo "—"}}</td>
</tr>{{if .Unhealthy}}<tr><td colspan="12" class="note bad">{{join .Unhealthy}}</td></tr>{{end}}
{{range .Provision}}{{if and (ne .State "ready") (ne .State "skipped")}}<tr><td colspan="12" class="note{{if or (eq .State "failed") (eq .State "unsupported")}} bad{{end}}">{{.Engine}} {{.Version}}{{if .Variant}} ({{.Variant}}){{end}} {{.State}}: {{.Detail}}</td></tr>{{end}}{{end}}
{{range .Warnings}}<tr><td colspan="12" class="note bad">{{.}}</td></tr>{{end}}
{{end}}</table>
{{else}}<p class="empty">No agents have registered.</p>{{end}}

<h2>Models</h2>

{{if .Models}}
<table class="rows"><tr><th>Model</th><th>Aliases</th><th class="num">Ready</th><th class="num">Wanted</th><th>Class</th><th>Reserves</th><th>Profiles</th>{{if .AnyFallbacks}}<th>Fallbacks</th>{{end}}<th>What it is for</th></tr>
{{range .Models}}<tr>
  <td><code>{{.Name}}</code></td>
  <td>{{join .Aliases}}</td>
  <td class="num">{{.Ready}}</td>
  <td class="num">{{.Min}}–{{.Max}}</td>
  <td{{if .HeldFor}} class="warn" title="gave room to {{.HeldFor}}"{{end}}>{{.Class}}{{if .Preempted}} <span class="note" title="replicas lost to a higher class">−{{.Preempted}}</span>{{end}}</td>
  <td{{with .Warnings}} class="warn" title="{{join .}}"{{end}}>{{if or .MemoryGB .CPUCores}}{{.MemoryGB}}G{{if .CPUCores}} · {{.CPUCores}}c{{end}}{{else}}—{{end}}
    {{- if .MeasuredMemoryGB}} <span class="note">{{printf "%.1f" .MeasuredMemoryGB}}G used</span>{{end}}{{if .Warnings}} ⚠{{end}}</td>
  <td>{{join .Profiles}}</td>
  {{if $.AnyFallbacks}}<td>{{join .Fallbacks}}</td>{{end}}
  {{/* Cut to the column, the whole sentence on hover: a row of its own for
       each description made the table twice as long as the catalog. */}}
  <td class="clip"{{with .Description}} title="{{.}}"{{end}}>{{or .Description "—"}}</td>
</tr>
{{end}}</table>
{{else}}<p class="empty">The catalog is empty.</p>{{end}}

{{if .Unplaced}}
<h2>Why nothing was placed</h2>
{{range .Unplaced}}
<p><code>{{.Model}}</code></p>
<pre>{{range .Rejections}}{{.Profile}} @ {{or .Pool "-"}}{{if .Node}}/{{.Node}}{{end}}: {{.Reason}}
{{end}}</pre>
{{end}}
{{end}}

<h2>Replicas</h2>
{{if .Replicas}}
<table class="rows"><tr><th>Replica</th><th>Model</th><th>State</th><th>Pool</th><th>Endpoint</th><th class="num">Age</th><th>Nodes</th></tr>
{{range .Replicas}}<tr>
  <td><code>{{.ID}}</code></td>
  <td>{{.Model}}</td>
  <td class="state state-{{.State}}">{{.State}}</td>
  <td>{{or .Pool "—"}}</td>
  <td>{{if .Endpoint}}<code>{{.Endpoint}}</code>{{else}}—{{end}}</td>
  <td class="num">{{duration .AgeSec}}</td>
  <td>{{range .Shards}}<code title="{{.Node}}">{{shortNode .Node $.NodePrefix}}</code> {{end}}</td>
</tr>{{if .Err}}<tr><td colspan="7" class="note">{{.Err}}</td></tr>{{end}}
{{end}}</table>
{{else}}<p class="empty">No replicas.</p>{{end}}

{{if .Summary.IdleReplicas}}
<h2>Holding hardware nothing is asking for</h2>
<table><tr><th>Replica</th><th>Model</th><th class="num">GPUs</th><th class="num">Unused for</th></tr>
{{range .Summary.IdleReplicas}}<tr>
  <td><code>{{.ID}}</code></td>
  <td>{{.Model}}</td>
  <td class="num">{{.GPUs}}</td>
  <td class="num">{{duration .IdleSec}}</td>
</tr>{{end}}</table>
{{end}}

{{if or .Summary.Fabrics (and .Fabrics (or .Fabrics.Physical .Fabrics.Problems))}}
<h2>Fabrics</h2>
{{with .Fabrics}}{{if .Problems}}
<ul class="fabric-problems">{{range .Problems}}
  <li class="{{.Level}}"><span class="tag{{if eq (printf "%s" .Level) "fail"}} bad{{end}}">{{.Level}}</span> {{.Message}}</li>{{end}}
</ul>{{end}}{{end}}
{{if .Summary.Fabrics}}
<table><tr><th>Fabric</th><th>Is physically</th><th class="num">Nodes</th><th class="num">Fully free</th><th>Weights</th></tr>
{{range .Summary.Fabrics}}{{$name := .Fabric}}<tr>
  <td><code>{{.Fabric}}</code></td>
  <td>{{with $.Fabrics}}{{range .Physical}}{{if has .Declared $name}}<div>{{.Label}}{{if .RateGbps}} <span class="note">· {{.RateGbps}} Gb/s</span>{{end}}</div>{{end}}{{end}}{{end}}</td>
  <td class="num">{{.Nodes}}</td>
  <td class="num">{{.LargestFreeBlock}}</td>
  <td>{{if .NodesWithWeights}}{{.Models}} model(s) on {{.NodesWithWeights}}/{{.Nodes}} nodes{{else}}<span class="note">not reported</span>{{end}}</td>
</tr>{{end}}</table>
{{end}}
{{with .Fabrics}}{{if .Physical}}
<p><a href="{{if $.OnAdminListener}}/fabrics{{else}}/admin/fabrics{{end}}">See each fabric's map →</a></p>
<h3>Subnet managers</h3>
<table><tr><th>Fabric</th><th>Is physically</th><th>Master</th><th>Standby</th><th class="num">Nodes</th><th>Last change of master</th></tr>
{{range .Physical}}<tr>
  <td>{{if .Declared}}{{range $i, $d := .Declared}}{{if $i}}, {{end}}<code>{{$d}}</code>{{end}}{{else}}<span class="note">undeclared</span>{{end}}</td>
  <td>{{.Label}}{{if .RateGbps}} <span class="note">· {{.RateGbps}} Gb/s</span>{{end}}</td>
  <td>{{if eq .Kind "roce"}}<span class="note">none: RoCE</span>{{else}}{{with .SM}}<code>{{.GUID}}</code>{{if .LID}} <span class="note">LID {{.LID}}, priority {{.Priority}}</span>{{end}}{{else}}—{{end}}{{end}}</td>
  <td>{{if eq .Kind "roce"}}—{{else if .SMs}}{{if .Standbys}}{{.Standbys}}{{else}}<span class="bad">none</span>{{end}}{{else}}<span class="note">not listed</span>{{end}}</td>
  <td class="num">{{len .Members}}</td>
  <td>{{with .Changes}}{{with index . 0}}{{ago .At}}: <code>{{.From}}</code> → <code>{{.To}}</code>{{end}}{{if gt (len .) 1}} <span class="note">({{len .}} in a day)</span>{{end}}{{else}}<span class="note">none in a day</span>{{end}}</td>
</tr>{{end}}</table>
{{end}}{{end}}
<p class="note">A fabric's name is what the nodes were told; what it is physically is
the subnet manager its InfiniBand ports see, or the network its RoCE ports are on.
A replica spanning nodes is only ever formed on one of those. Fully free counts whole
unused nodes, which is what decides whether such a replica can land.</p>
{{end}}

{{with .NVLink}}
<h2>NVLink domains</h2>
<p>{{len .Domains}} multi-node domain{{if ne (len .Domains) 1}}s{{end}}{{range .Domains}} · <code>{{shortDomain .Key}}</code> {{.Usable}}/{{len .Members}} trays usable{{end}}
{{if .Problems}} · <span class="bad">{{len .Problems}} problem{{if ne (len .Problems) 1}}s{{end}}</span>{{end}}
· <a href="{{if $.OnAdminListener}}/nvlink{{else}}/admin/nvlink{{end}}">see the racks →</a></p>
{{end}}

{{with .Fleet}}
<h2>What the cluster is doing <span class="opt">last {{.Window}}</span></h2>
{{if .Err}}
{{/* Said outright. An empty panel reads as a healthy cluster with nothing
     happening, which is the opposite of not knowing. */}}
<p class="note error-row">No history: {{.Err}}</p>
{{else}}
<div class="chart-row">
  {{template "tschart" dict "t" .Saturation "title" "Pool saturation, by model"
     "note" "The worse of queue depth and cache pressure. 1 is the limit measured as healthy, not the point of failure."}}
  {{template "tschart" dict "t" .Ready "title" "Replicas ready, by model"
     "note" "A model deliberately stopped has no line at all, which is why an on-demand catalogue looks quiet here."}}
</div>
<div class="chart-row">
  {{template "tschart" dict "t" .Queue "title" "Engine queue depth, by replica"
     "note" "Requests accepted and not yet started. The first thing to move when a replica is falling behind."}}
  {{template "tschart" dict "t" .KV "title" "KV cache occupancy, by replica"
     "note" "How full the attention cache is. Long contexts fill it with an empty queue, which is why saturation reads both."}}
</div>
{{end}}
{{end}}

<hr class="part">

<h2>Traffic <span class="note">— last 24 hours, hourly</span></h2>
{{if .HasCharts}}
<p class="note">Requests</p>{{.RequestChart}}
<div class="chart-row">
  <div><p class="note">Tokens</p>{{.TokenChart}}</div>
  <div><p class="note">Mean latency</p>{{.LatencyChart}}</div>
</div>
{{else if .AuthEnabled}}
<p class="empty">No traffic recorded yet.</p>
{{end}}

{{if .HasPeople}}
<h2>People</h2>
<table><tr><th>Person</th><th class="num">Keys</th><th class="num">Requests</th><th class="num">Tokens</th><th class="num">Errors</th><th class="num">Spend</th><th>Last seen</th></tr>
{{range .Users}}<tr>
  <td>{{if .Email}}{{.Email}}{{else}}<span class="note">operator-issued keys</span>{{end}}</td>
  <td class="num">{{.Keys}}</td>
  <td class="num">{{.Requests}}</td>
  <td class="num">{{compact .Tokens}}</td>
  <td class="num">{{if .Errors}}<span class="bad">{{.Errors}}</span>{{else}}—{{end}}</td>
  <td class="num">{{units .CostMicros}}</td>
  <td>{{ago .LastSeen}}</td>
</tr>{{end}}</table>
{{end}}

{{if .Models2}}
<h2>What is being run</h2>
<table><tr><th>Model</th><th class="num">Requests</th><th class="num">Tokens</th><th class="num">Errors</th><th class="num">Mean latency</th></tr>
{{range .Models2}}<tr>
  <td><code>{{.Model}}</code></td>
  <td class="num">{{.Requests}}</td>
  <td class="num">{{compact .Tokens}}</td>
  <td class="num">{{if .Errors}}<span class="bad">{{.Errors}}</span>{{else}}—{{end}}</td>
  <td class="num">{{latency .AvgLatency}}</td>
</tr>{{end}}</table>
<p class="note">Counted by the model that actually answered, which differs from the one
requested whenever a fallback served it.</p>
{{end}}

<h2>Usage <span class="note">— last 24 hours</span></h2>
{{if .AuthEnabled}}
  {{if .Usage}}
<table><tr><th>Person</th><th>Through</th><th>Spends against</th><th class="num">Requests</th><th class="num">Errors</th><th class="num">Prompt</th><th class="num">Completion</th><th class="num">Spend</th><th>Last</th></tr>
{{range .Usage}}<tr>
  <td>{{or .Email "—"}}</td>
  <td>{{if .Chat}}chat page{{else if .KeyName}}{{.KeyName}} <code class="note">{{.KeyPrefix}}</code>{{else}}<code title="{{.KeyID}}">{{.KeyID}}</code>{{end}}</td>
  <td>{{if .ProjectPath}}{{.ProjectPath}}{{else if .ProjectID}}<code>{{.ProjectID}}</code>{{else}}personal{{end}}</td>
  <td class="num">{{.Requests}}</td>
  <td class="num">{{if .Errors}}<span class="state-failed">{{.Errors}}</span>{{else}}0{{end}}</td>
  <td class="num">{{compact .Prompt}}</td>
  <td class="num">{{compact .Completion}}</td>
  <td class="num">{{units .CostMicros}}</td>
  <td><span class="note">{{ago .LastAt}}</span></td>
</tr>{{end}}</table>
<p class="note">Spend is in units, whatever a unit was configured to mean. Usage is
written in batches, so the last few seconds may be missing.</p>
  {{else}}<p class="empty">No requests recorded in the last 24 hours.</p>{{end}}
{{else}}
<p class="empty">Authentication is off, so there is no identity to account against.</p>
{{end}}

{{if not .OnAdminListener}}
<p class="note">Metrics, pprof and the management API are on the admin listener,
which is bound to loopback and not reachable from here. pprof can dump the
process heap, where API keys sit in plaintext, which is why that port is not
exposed:
<code>ssh -L 9090:127.0.0.1:9090 &lt;control-plane&gt;</code></p>
{{end}}

</div>

<footer>
  <span>llmgw {{.Version}} · refreshes every {{.RefreshSec}}s</span>
  <span>{{.Now}}</span>
</footer>
</div></body></html>{{end}}

{{/* One chart: the SVG, its legend, and the sentence that says how to read it.
     A legend is always present for two lines or more — colour alone is not an
     encoding a reader can rely on — and a single line needs none, because the
     title already names it. */}}
{{define "tschart"}}
<div class="chart-wrap">
  <h3 class="chart-title">{{.title}}</h3>
  {{if .t.Empty}}
  <p class="empty">Nothing recorded yet.</p>
  {{else}}
  {{.t.SVG}}
  <span class="chart-peak">peak {{.t.Peak}}</span>
  {{if gt (len .t.Legend) 1}}
  <div class="legend">
    {{range .t.Legend}}<span><i style="background:var({{cssvar .Colour}})"></i>{{.Name}} <b>{{.Last}}</b></span>{{end}}
  </div>
  {{end}}
  {{end}}
  <p class="note">{{.note}}</p>
</div>
{{end}}

{{/* A small horizontal bar for a percentage, coloured as it fills. */}}
{{define "minibar"}}<span class="minibar{{if ge .P 90}} hot{{else if ge .P 75}} warm{{end}}"><span style="width: {{.P}}%"></span></span>{{end}}