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">
<meta http-equiv="refresh" content="{{.RefreshSec}}">
<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>

{{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}}

{{if .Summary.Fabrics}}
<h2>Fabrics</h2>
<table><tr><th>Fabric</th><th class="num">Nodes</th><th class="num">Fully free</th><th>Weights</th></tr>
{{range .Summary.Fabrics}}<tr>
  <td><code>{{.Fabric}}</code></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>
<p class="note">Fully free counts whole unused nodes, which is what decides whether a
replica spanning nodes can land: free cards on the wrong fabric are not capacity
for a model that needs this one.</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 .HasPeople}}
<h2>People</h2>
{{.UserChart}}
<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>
{{.ModelChart}}
<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>Nodes</h2>
{{if .Nodes}}
<table><tr><th>Node</th><th>State</th><th class="num">GPUs</th><th class="num">RAM</th><th class="num">Disk</th><th>Engines</th><th>Classes</th><th>Fabrics</th><th class="num">Models</th><th class="num">Replicas</th><th>Last seen</th></tr>
{{range .Nodes}}<tr>
  <td><code>{{.ID}}</code>{{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>
  <td class="num">{{if .GPUTotal}}{{.GPUFree}}/{{.GPUTotal}}{{else}}—{{end}}</td>
  <td class="num">{{if .MemoryGB}}{{.MemoryGB}}G{{else}}—{{end}}</td>
  {{/* 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>
  <td>{{join .Classes}}</td>
  <td>{{join .Fabrics}}</td>
  <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="11" class="note bad">{{join .Unhealthy}}</td></tr>{{end}}
{{range .Provision}}{{if ne .State "ready"}}<tr><td colspan="11" 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="11" class="note bad">{{.}}</td></tr>{{end}}
{{end}}</table>
{{else}}<p class="empty">No agents have registered.</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}}

<h2>Models</h2>

{{if .Models}}
<table><tr><th>Model</th><th>Aliases</th><th class="num">Ready</th><th class="num">Wanted</th><th>Profiles</th><th>Fallbacks</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>{{join .Profiles}}</td>
  <td>{{join .Fallbacks}}</td>
</tr>
{{/* Under the row rather than in a column: a sentence in a table cell either
     wraps every other column into a stripe or gets cut off. */}}
{{if .Description}}<tr><td colspan="6" class="url-row">{{.Description}}</td></tr>{{end}}
{{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><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>{{.Node}}</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}}

<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}}

<h2>Usage <span class="note">— last 24 hours</span></h2>
{{if .AuthEnabled}}
  {{if .Usage}}
<table><tr><th>Key</th><th>Project</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>{{if .KeyName}}{{.KeyName}} <span class="note">{{.KeyPrefix}}</span>{{else}}<code>{{.KeyID}}</code>{{end}}</td>
  <td>{{.ProjectID}}</td>
  <td class="num">{{.Requests}}</td>
  <td class="num">{{if .Errors}}<span class="state-failed">{{.Errors}}</span>{{else}}0{{end}}</td>
  <td class="num">{{.Prompt}}</td>
  <td class="num">{{.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}}

<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}}